Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1 | /* |
| 2 | * valid.c : part of the code use to do the DTD handling and the validity |
| 3 | * checking |
| 4 | * |
| 5 | * See Copyright for the status of this software. |
| 6 | * |
Daniel Veillard | c5d6434 | 2001-06-24 12:13:24 +0000 | [diff] [blame] | 7 | * daniel@veillard.com |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
Daniel Veillard | 34ce8be | 2002-03-18 19:37:11 +0000 | [diff] [blame] | 10 | #define IN_LIBXML |
Bjorn Reese | 70a9da5 | 2001-04-21 16:57:29 +0000 | [diff] [blame] | 11 | #include "libxml.h" |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 12 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 13 | #include <string.h> |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 14 | #include <stdlib.h> |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 15 | |
| 16 | #include <libxml/xmlmemory.h> |
| 17 | #include <libxml/hash.h> |
Daniel Veillard | 29b1748 | 2004-08-16 00:39:03 +0000 | [diff] [blame] | 18 | #include <libxml/uri.h> |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 19 | #include <libxml/valid.h> |
| 20 | #include <libxml/parser.h> |
| 21 | #include <libxml/parserInternals.h> |
| 22 | #include <libxml/xmlerror.h> |
| 23 | #include <libxml/list.h> |
| 24 | |
Nick Wellnhofer | 0f568c0 | 2022-08-26 01:22:33 +0200 | [diff] [blame] | 25 | #include "private/error.h" |
| 26 | #include "private/parser.h" |
| 27 | |
Nick Wellnhofer | 9fa1b22 | 2023-02-14 16:43:35 +0100 | [diff] [blame] | 28 | static xmlElementPtr |
| 29 | xmlGetDtdElementDesc2(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *name, |
| 30 | int create); |
Daniel Veillard | e62d36c | 2001-05-15 08:53:16 +0000 | [diff] [blame] | 31 | |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 32 | #define TODO \ |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 33 | xmlGenericError(xmlGenericErrorContext, \ |
| 34 | "Unimplemented block at %s:%d\n", \ |
| 35 | __FILE__, __LINE__); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 36 | |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 37 | #ifdef LIBXML_VALID_ENABLED |
| 38 | static int |
| 39 | xmlValidateAttributeValueInternal(xmlDocPtr doc, xmlAttributeType type, |
| 40 | const xmlChar *value); |
| 41 | #endif |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 42 | /************************************************************************ |
| 43 | * * |
| 44 | * Error handling routines * |
| 45 | * * |
| 46 | ************************************************************************/ |
| 47 | |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 48 | /** |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 49 | * xmlVErrMemory: |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 50 | * @ctxt: an XML validation parser context |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 51 | * @extra: extra information |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 52 | * |
| 53 | * Handle an out of memory error |
| 54 | */ |
| 55 | static void |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 56 | xmlVErrMemory(xmlValidCtxtPtr ctxt, const char *extra) |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 57 | { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 58 | xmlGenericErrorFunc channel = NULL; |
| 59 | xmlParserCtxtPtr pctxt = NULL; |
| 60 | void *data = NULL; |
| 61 | |
| 62 | if (ctxt != NULL) { |
| 63 | channel = ctxt->error; |
| 64 | data = ctxt->userData; |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 65 | /* Look up flag to detect if it is part of a parsing |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 66 | context */ |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 67 | if (ctxt->flags & XML_VCTXT_USE_PCTXT) { |
Alex Richardson | 4b959ee | 2022-12-01 13:23:09 +0000 | [diff] [blame] | 68 | pctxt = ctxt->userData; |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 69 | } |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 70 | } |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 71 | if (extra) |
Daniel Veillard | 7300057 | 2003-10-11 11:26:42 +0000 | [diff] [blame] | 72 | __xmlRaiseError(NULL, channel, data, |
Daniel Veillard | 72b9e29 | 2003-10-28 15:44:17 +0000 | [diff] [blame] | 73 | pctxt, NULL, XML_FROM_VALID, XML_ERR_NO_MEMORY, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 74 | XML_ERR_FATAL, NULL, 0, extra, NULL, NULL, 0, 0, |
| 75 | "Memory allocation failed : %s\n", extra); |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 76 | else |
Daniel Veillard | 7300057 | 2003-10-11 11:26:42 +0000 | [diff] [blame] | 77 | __xmlRaiseError(NULL, channel, data, |
Daniel Veillard | 72b9e29 | 2003-10-28 15:44:17 +0000 | [diff] [blame] | 78 | pctxt, NULL, XML_FROM_VALID, XML_ERR_NO_MEMORY, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 79 | XML_ERR_FATAL, NULL, 0, NULL, NULL, NULL, 0, 0, |
| 80 | "Memory allocation failed\n"); |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | /** |
| 84 | * xmlErrValid: |
| 85 | * @ctxt: an XML validation parser context |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 86 | * @error: the error number |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 87 | * @extra: extra information |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 88 | * |
| 89 | * Handle a validation error |
| 90 | */ |
David Kilzer | 4472c3a | 2016-05-13 15:13:17 +0800 | [diff] [blame] | 91 | static void LIBXML_ATTR_FORMAT(3,0) |
Daniel Veillard | f88d8cf | 2003-12-08 10:25:02 +0000 | [diff] [blame] | 92 | xmlErrValid(xmlValidCtxtPtr ctxt, xmlParserErrors error, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 93 | const char *msg, const char *extra) |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 94 | { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 95 | xmlGenericErrorFunc channel = NULL; |
| 96 | xmlParserCtxtPtr pctxt = NULL; |
| 97 | void *data = NULL; |
| 98 | |
| 99 | if (ctxt != NULL) { |
| 100 | channel = ctxt->error; |
| 101 | data = ctxt->userData; |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 102 | /* Look up flag to detect if it is part of a parsing |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 103 | context */ |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 104 | if (ctxt->flags & XML_VCTXT_USE_PCTXT) { |
Alex Richardson | 4b959ee | 2022-12-01 13:23:09 +0000 | [diff] [blame] | 105 | pctxt = ctxt->userData; |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 106 | } |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 107 | } |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 108 | if (extra) |
Daniel Veillard | 7300057 | 2003-10-11 11:26:42 +0000 | [diff] [blame] | 109 | __xmlRaiseError(NULL, channel, data, |
Daniel Veillard | 72b9e29 | 2003-10-28 15:44:17 +0000 | [diff] [blame] | 110 | pctxt, NULL, XML_FROM_VALID, error, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 111 | XML_ERR_ERROR, NULL, 0, extra, NULL, NULL, 0, 0, |
| 112 | msg, extra); |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 113 | else |
Daniel Veillard | 7300057 | 2003-10-11 11:26:42 +0000 | [diff] [blame] | 114 | __xmlRaiseError(NULL, channel, data, |
Daniel Veillard | 72b9e29 | 2003-10-28 15:44:17 +0000 | [diff] [blame] | 115 | pctxt, NULL, XML_FROM_VALID, error, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 116 | XML_ERR_ERROR, NULL, 0, NULL, NULL, NULL, 0, 0, |
Daniel Veillard | bccae2d | 2009-06-04 11:22:45 +0200 | [diff] [blame] | 117 | "%s", msg); |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 118 | } |
| 119 | |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 120 | #if defined(LIBXML_VALID_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) |
| 121 | /** |
| 122 | * xmlErrValidNode: |
| 123 | * @ctxt: an XML validation parser context |
| 124 | * @node: the node raising the error |
| 125 | * @error: the error number |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 126 | * @str1: extra information |
| 127 | * @str2: extra information |
| 128 | * @str3: extra information |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 129 | * |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 130 | * Handle a validation error, provide contextual information |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 131 | */ |
David Kilzer | 4472c3a | 2016-05-13 15:13:17 +0800 | [diff] [blame] | 132 | static void LIBXML_ATTR_FORMAT(4,0) |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 133 | xmlErrValidNode(xmlValidCtxtPtr ctxt, |
| 134 | xmlNodePtr node, xmlParserErrors error, |
| 135 | const char *msg, const xmlChar * str1, |
| 136 | const xmlChar * str2, const xmlChar * str3) |
| 137 | { |
| 138 | xmlStructuredErrorFunc schannel = NULL; |
| 139 | xmlGenericErrorFunc channel = NULL; |
| 140 | xmlParserCtxtPtr pctxt = NULL; |
| 141 | void *data = NULL; |
| 142 | |
| 143 | if (ctxt != NULL) { |
| 144 | channel = ctxt->error; |
| 145 | data = ctxt->userData; |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 146 | /* Look up flag to detect if it is part of a parsing |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 147 | context */ |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 148 | if (ctxt->flags & XML_VCTXT_USE_PCTXT) { |
Alex Richardson | 4b959ee | 2022-12-01 13:23:09 +0000 | [diff] [blame] | 149 | pctxt = ctxt->userData; |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 150 | } |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 151 | } |
| 152 | __xmlRaiseError(schannel, channel, data, pctxt, node, XML_FROM_VALID, error, |
| 153 | XML_ERR_ERROR, NULL, 0, |
| 154 | (const char *) str1, |
Nick Wellnhofer | c709f3f | 2017-09-07 19:52:39 +0200 | [diff] [blame] | 155 | (const char *) str2, |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 156 | (const char *) str3, 0, 0, msg, str1, str2, str3); |
| 157 | } |
| 158 | #endif /* LIBXML_VALID_ENABLED or LIBXML_SCHEMAS_ENABLED */ |
| 159 | |
Daniel Veillard | d61e8fb | 2003-10-19 21:59:17 +0000 | [diff] [blame] | 160 | #ifdef LIBXML_VALID_ENABLED |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 161 | /** |
| 162 | * xmlErrValidNodeNr: |
| 163 | * @ctxt: an XML validation parser context |
| 164 | * @node: the node raising the error |
| 165 | * @error: the error number |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 166 | * @str1: extra information |
| 167 | * @int2: extra information |
| 168 | * @str3: extra information |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 169 | * |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 170 | * Handle a validation error, provide contextual information |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 171 | */ |
David Kilzer | 4472c3a | 2016-05-13 15:13:17 +0800 | [diff] [blame] | 172 | static void LIBXML_ATTR_FORMAT(4,0) |
Daniel Veillard | 72b9e29 | 2003-10-28 15:44:17 +0000 | [diff] [blame] | 173 | xmlErrValidNodeNr(xmlValidCtxtPtr ctxt, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 174 | xmlNodePtr node, xmlParserErrors error, |
| 175 | const char *msg, const xmlChar * str1, |
| 176 | int int2, const xmlChar * str3) |
| 177 | { |
Daniel Veillard | 659e71e | 2003-10-10 14:10:40 +0000 | [diff] [blame] | 178 | xmlStructuredErrorFunc schannel = NULL; |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 179 | xmlGenericErrorFunc channel = NULL; |
| 180 | xmlParserCtxtPtr pctxt = NULL; |
| 181 | void *data = NULL; |
| 182 | |
| 183 | if (ctxt != NULL) { |
| 184 | channel = ctxt->error; |
| 185 | data = ctxt->userData; |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 186 | /* Look up flag to detect if it is part of a parsing |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 187 | context */ |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 188 | if (ctxt->flags & XML_VCTXT_USE_PCTXT) { |
Alex Richardson | 4b959ee | 2022-12-01 13:23:09 +0000 | [diff] [blame] | 189 | pctxt = ctxt->userData; |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 190 | } |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 191 | } |
Daniel Veillard | 72b9e29 | 2003-10-28 15:44:17 +0000 | [diff] [blame] | 192 | __xmlRaiseError(schannel, channel, data, pctxt, node, XML_FROM_VALID, error, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 193 | XML_ERR_ERROR, NULL, 0, |
| 194 | (const char *) str1, |
| 195 | (const char *) str3, |
| 196 | NULL, int2, 0, msg, str1, int2, str3); |
| 197 | } |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 198 | |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 199 | /** |
| 200 | * xmlErrValidWarning: |
| 201 | * @ctxt: an XML validation parser context |
| 202 | * @node: the node raising the error |
| 203 | * @error: the error number |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 204 | * @str1: extra information |
| 205 | * @str2: extra information |
| 206 | * @str3: extra information |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 207 | * |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 208 | * Handle a validation error, provide contextual information |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 209 | */ |
David Kilzer | 4472c3a | 2016-05-13 15:13:17 +0800 | [diff] [blame] | 210 | static void LIBXML_ATTR_FORMAT(4,0) |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 211 | xmlErrValidWarning(xmlValidCtxtPtr ctxt, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 212 | xmlNodePtr node, xmlParserErrors error, |
| 213 | const char *msg, const xmlChar * str1, |
| 214 | const xmlChar * str2, const xmlChar * str3) |
| 215 | { |
Daniel Veillard | 659e71e | 2003-10-10 14:10:40 +0000 | [diff] [blame] | 216 | xmlStructuredErrorFunc schannel = NULL; |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 217 | xmlGenericErrorFunc channel = NULL; |
| 218 | xmlParserCtxtPtr pctxt = NULL; |
| 219 | void *data = NULL; |
| 220 | |
| 221 | if (ctxt != NULL) { |
William M. Brack | e4d526f | 2004-12-18 00:01:21 +0000 | [diff] [blame] | 222 | channel = ctxt->warning; |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 223 | data = ctxt->userData; |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 224 | /* Look up flag to detect if it is part of a parsing |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 225 | context */ |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 226 | if (ctxt->flags & XML_VCTXT_USE_PCTXT) { |
Alex Richardson | 4b959ee | 2022-12-01 13:23:09 +0000 | [diff] [blame] | 227 | pctxt = ctxt->userData; |
Daniel Veillard | eff45a9 | 2004-10-29 12:10:55 +0000 | [diff] [blame] | 228 | } |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 229 | } |
Daniel Veillard | 72b9e29 | 2003-10-28 15:44:17 +0000 | [diff] [blame] | 230 | __xmlRaiseError(schannel, channel, data, pctxt, node, XML_FROM_VALID, error, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 231 | XML_ERR_WARNING, NULL, 0, |
| 232 | (const char *) str1, |
Nick Wellnhofer | c709f3f | 2017-09-07 19:52:39 +0200 | [diff] [blame] | 233 | (const char *) str2, |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 234 | (const char *) str3, 0, 0, msg, str1, str2, str3); |
| 235 | } |
| 236 | |
| 237 | |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 238 | |
| 239 | #ifdef LIBXML_REGEXP_ENABLED |
| 240 | /* |
| 241 | * If regexp are enabled we can do continuous validation without the |
| 242 | * need of a tree to validate the content model. this is done in each |
| 243 | * callbacks. |
| 244 | * Each xmlValidState represent the validation state associated to the |
| 245 | * set of nodes currently open from the document root to the current element. |
| 246 | */ |
| 247 | |
| 248 | |
| 249 | typedef struct _xmlValidState { |
| 250 | xmlElementPtr elemDecl; /* pointer to the content model */ |
| 251 | xmlNodePtr node; /* pointer to the current node */ |
| 252 | xmlRegExecCtxtPtr exec; /* regexp runtime */ |
| 253 | } _xmlValidState; |
| 254 | |
| 255 | |
| 256 | static int |
| 257 | vstateVPush(xmlValidCtxtPtr ctxt, xmlElementPtr elemDecl, xmlNodePtr node) { |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 258 | if ((ctxt->vstateMax == 0) || (ctxt->vstateTab == NULL)) { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 259 | ctxt->vstateMax = 10; |
| 260 | ctxt->vstateTab = (xmlValidState *) xmlMalloc(ctxt->vstateMax * |
| 261 | sizeof(ctxt->vstateTab[0])); |
| 262 | if (ctxt->vstateTab == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 263 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 264 | return(-1); |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | if (ctxt->vstateNr >= ctxt->vstateMax) { |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 269 | xmlValidState *tmp; |
| 270 | |
| 271 | tmp = (xmlValidState *) xmlRealloc(ctxt->vstateTab, |
| 272 | 2 * ctxt->vstateMax * sizeof(ctxt->vstateTab[0])); |
| 273 | if (tmp == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 274 | xmlVErrMemory(ctxt, "realloc failed"); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 275 | return(-1); |
| 276 | } |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 277 | ctxt->vstateMax *= 2; |
| 278 | ctxt->vstateTab = tmp; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 279 | } |
| 280 | ctxt->vstate = &ctxt->vstateTab[ctxt->vstateNr]; |
| 281 | ctxt->vstateTab[ctxt->vstateNr].elemDecl = elemDecl; |
| 282 | ctxt->vstateTab[ctxt->vstateNr].node = node; |
| 283 | if ((elemDecl != NULL) && (elemDecl->etype == XML_ELEMENT_TYPE_ELEMENT)) { |
| 284 | if (elemDecl->contModel == NULL) |
| 285 | xmlValidBuildContentModel(ctxt, elemDecl); |
| 286 | if (elemDecl->contModel != NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 287 | ctxt->vstateTab[ctxt->vstateNr].exec = |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 288 | xmlRegNewExecCtxt(elemDecl->contModel, NULL, NULL); |
| 289 | } else { |
| 290 | ctxt->vstateTab[ctxt->vstateNr].exec = NULL; |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 291 | xmlErrValidNode(ctxt, (xmlNodePtr) elemDecl, |
| 292 | XML_ERR_INTERNAL_ERROR, |
| 293 | "Failed to build content model regexp for %s\n", |
| 294 | node->name, NULL, NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | return(ctxt->vstateNr++); |
| 298 | } |
| 299 | |
| 300 | static int |
| 301 | vstateVPop(xmlValidCtxtPtr ctxt) { |
| 302 | xmlElementPtr elemDecl; |
| 303 | |
Daniel Veillard | 336fc7d | 2002-12-27 19:37:04 +0000 | [diff] [blame] | 304 | if (ctxt->vstateNr < 1) return(-1); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 305 | ctxt->vstateNr--; |
| 306 | elemDecl = ctxt->vstateTab[ctxt->vstateNr].elemDecl; |
| 307 | ctxt->vstateTab[ctxt->vstateNr].elemDecl = NULL; |
| 308 | ctxt->vstateTab[ctxt->vstateNr].node = NULL; |
| 309 | if ((elemDecl != NULL) && (elemDecl->etype == XML_ELEMENT_TYPE_ELEMENT)) { |
| 310 | xmlRegFreeExecCtxt(ctxt->vstateTab[ctxt->vstateNr].exec); |
| 311 | } |
| 312 | ctxt->vstateTab[ctxt->vstateNr].exec = NULL; |
| 313 | if (ctxt->vstateNr >= 1) |
| 314 | ctxt->vstate = &ctxt->vstateTab[ctxt->vstateNr - 1]; |
| 315 | else |
| 316 | ctxt->vstate = NULL; |
| 317 | return(ctxt->vstateNr); |
| 318 | } |
| 319 | |
| 320 | #else /* not LIBXML_REGEXP_ENABLED */ |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 321 | /* |
Daniel Veillard | 1c732d2 | 2002-11-30 11:22:59 +0000 | [diff] [blame] | 322 | * If regexp are not enabled, it uses a home made algorithm less |
| 323 | * complex and easier to |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 324 | * debug/maintain than a generic NFA -> DFA state based algo. The |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 325 | * only restriction is on the deepness of the tree limited by the |
| 326 | * size of the occurs bitfield |
| 327 | * |
| 328 | * this is the content of a saved state for rollbacks |
| 329 | */ |
| 330 | |
| 331 | #define ROLLBACK_OR 0 |
| 332 | #define ROLLBACK_PARENT 1 |
| 333 | |
Daniel Veillard | b44025c | 2001-10-11 22:55:55 +0000 | [diff] [blame] | 334 | typedef struct _xmlValidState { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 335 | xmlElementContentPtr cont; /* pointer to the content model subtree */ |
| 336 | xmlNodePtr node; /* pointer to the current node in the list */ |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 337 | long occurs;/* bitfield for multiple occurrences */ |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 338 | unsigned char depth; /* current depth in the overall tree */ |
| 339 | unsigned char state; /* ROLLBACK_XXX */ |
| 340 | } _xmlValidState; |
| 341 | |
Daniel Veillard | fc57b41 | 2002-04-29 15:50:14 +0000 | [diff] [blame] | 342 | #define MAX_RECURSE 25000 |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 343 | #define MAX_DEPTH ((sizeof(_xmlValidState.occurs)) * 8) |
| 344 | #define CONT ctxt->vstate->cont |
| 345 | #define NODE ctxt->vstate->node |
| 346 | #define DEPTH ctxt->vstate->depth |
| 347 | #define OCCURS ctxt->vstate->occurs |
| 348 | #define STATE ctxt->vstate->state |
| 349 | |
Daniel Veillard | 5344c60 | 2001-12-31 16:37:34 +0000 | [diff] [blame] | 350 | #define OCCURRENCE (ctxt->vstate->occurs & (1 << DEPTH)) |
| 351 | #define PARENT_OCCURRENCE (ctxt->vstate->occurs & ((1 << DEPTH) - 1)) |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 352 | |
Daniel Veillard | 5344c60 | 2001-12-31 16:37:34 +0000 | [diff] [blame] | 353 | #define SET_OCCURRENCE ctxt->vstate->occurs |= (1 << DEPTH) |
| 354 | #define RESET_OCCURRENCE ctxt->vstate->occurs &= ((1 << DEPTH) - 1) |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 355 | |
| 356 | static int |
| 357 | vstateVPush(xmlValidCtxtPtr ctxt, xmlElementContentPtr cont, |
| 358 | xmlNodePtr node, unsigned char depth, long occurs, |
| 359 | unsigned char state) { |
Daniel Veillard | bed7b05 | 2001-05-19 14:59:49 +0000 | [diff] [blame] | 360 | int i = ctxt->vstateNr - 1; |
| 361 | |
Daniel Veillard | 940492d | 2002-04-15 10:15:25 +0000 | [diff] [blame] | 362 | if (ctxt->vstateNr > MAX_RECURSE) { |
| 363 | return(-1); |
| 364 | } |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 365 | if (ctxt->vstateTab == NULL) { |
| 366 | ctxt->vstateMax = 8; |
| 367 | ctxt->vstateTab = (xmlValidState *) xmlMalloc( |
| 368 | ctxt->vstateMax * sizeof(ctxt->vstateTab[0])); |
| 369 | if (ctxt->vstateTab == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 370 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 371 | return(-1); |
| 372 | } |
| 373 | } |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 374 | if (ctxt->vstateNr >= ctxt->vstateMax) { |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 375 | xmlValidState *tmp; |
| 376 | |
| 377 | tmp = (xmlValidState *) xmlRealloc(ctxt->vstateTab, |
| 378 | 2 * ctxt->vstateMax * sizeof(ctxt->vstateTab[0])); |
| 379 | if (tmp == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 380 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | 940492d | 2002-04-15 10:15:25 +0000 | [diff] [blame] | 381 | return(-1); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 382 | } |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 383 | ctxt->vstateMax *= 2; |
| 384 | ctxt->vstateTab = tmp; |
Daniel Veillard | 0680399 | 2001-04-22 10:35:56 +0000 | [diff] [blame] | 385 | ctxt->vstate = &ctxt->vstateTab[0]; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 386 | } |
Daniel Veillard | bed7b05 | 2001-05-19 14:59:49 +0000 | [diff] [blame] | 387 | /* |
| 388 | * Don't push on the stack a state already here |
| 389 | */ |
| 390 | if ((i >= 0) && (ctxt->vstateTab[i].cont == cont) && |
| 391 | (ctxt->vstateTab[i].node == node) && |
| 392 | (ctxt->vstateTab[i].depth == depth) && |
| 393 | (ctxt->vstateTab[i].occurs == occurs) && |
| 394 | (ctxt->vstateTab[i].state == state)) |
| 395 | return(ctxt->vstateNr); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 396 | ctxt->vstateTab[ctxt->vstateNr].cont = cont; |
| 397 | ctxt->vstateTab[ctxt->vstateNr].node = node; |
| 398 | ctxt->vstateTab[ctxt->vstateNr].depth = depth; |
| 399 | ctxt->vstateTab[ctxt->vstateNr].occurs = occurs; |
| 400 | ctxt->vstateTab[ctxt->vstateNr].state = state; |
| 401 | return(ctxt->vstateNr++); |
| 402 | } |
| 403 | |
| 404 | static int |
| 405 | vstateVPop(xmlValidCtxtPtr ctxt) { |
| 406 | if (ctxt->vstateNr <= 1) return(-1); |
| 407 | ctxt->vstateNr--; |
| 408 | ctxt->vstate = &ctxt->vstateTab[0]; |
| 409 | ctxt->vstate->cont = ctxt->vstateTab[ctxt->vstateNr].cont; |
| 410 | ctxt->vstate->node = ctxt->vstateTab[ctxt->vstateNr].node; |
| 411 | ctxt->vstate->depth = ctxt->vstateTab[ctxt->vstateNr].depth; |
| 412 | ctxt->vstate->occurs = ctxt->vstateTab[ctxt->vstateNr].occurs; |
| 413 | ctxt->vstate->state = ctxt->vstateTab[ctxt->vstateNr].state; |
| 414 | return(ctxt->vstateNr); |
| 415 | } |
| 416 | |
Daniel Veillard | 118aed7 | 2002-09-24 14:13:13 +0000 | [diff] [blame] | 417 | #endif /* LIBXML_REGEXP_ENABLED */ |
| 418 | |
Daniel Veillard | 1c732d2 | 2002-11-30 11:22:59 +0000 | [diff] [blame] | 419 | static int |
| 420 | nodeVPush(xmlValidCtxtPtr ctxt, xmlNodePtr value) |
| 421 | { |
| 422 | if (ctxt->nodeMax <= 0) { |
| 423 | ctxt->nodeMax = 4; |
| 424 | ctxt->nodeTab = |
| 425 | (xmlNodePtr *) xmlMalloc(ctxt->nodeMax * |
| 426 | sizeof(ctxt->nodeTab[0])); |
| 427 | if (ctxt->nodeTab == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 428 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | 1c732d2 | 2002-11-30 11:22:59 +0000 | [diff] [blame] | 429 | ctxt->nodeMax = 0; |
| 430 | return (0); |
| 431 | } |
| 432 | } |
| 433 | if (ctxt->nodeNr >= ctxt->nodeMax) { |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 434 | xmlNodePtr *tmp; |
| 435 | tmp = (xmlNodePtr *) xmlRealloc(ctxt->nodeTab, |
| 436 | ctxt->nodeMax * 2 * sizeof(ctxt->nodeTab[0])); |
| 437 | if (tmp == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 438 | xmlVErrMemory(ctxt, "realloc failed"); |
Daniel Veillard | 1c732d2 | 2002-11-30 11:22:59 +0000 | [diff] [blame] | 439 | return (0); |
| 440 | } |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 441 | ctxt->nodeMax *= 2; |
| 442 | ctxt->nodeTab = tmp; |
Daniel Veillard | 1c732d2 | 2002-11-30 11:22:59 +0000 | [diff] [blame] | 443 | } |
| 444 | ctxt->nodeTab[ctxt->nodeNr] = value; |
| 445 | ctxt->node = value; |
| 446 | return (ctxt->nodeNr++); |
| 447 | } |
| 448 | static xmlNodePtr |
| 449 | nodeVPop(xmlValidCtxtPtr ctxt) |
| 450 | { |
| 451 | xmlNodePtr ret; |
| 452 | |
| 453 | if (ctxt->nodeNr <= 0) |
Daniel Veillard | 24505b0 | 2005-07-28 23:49:35 +0000 | [diff] [blame] | 454 | return (NULL); |
Daniel Veillard | 1c732d2 | 2002-11-30 11:22:59 +0000 | [diff] [blame] | 455 | ctxt->nodeNr--; |
| 456 | if (ctxt->nodeNr > 0) |
| 457 | ctxt->node = ctxt->nodeTab[ctxt->nodeNr - 1]; |
| 458 | else |
| 459 | ctxt->node = NULL; |
| 460 | ret = ctxt->nodeTab[ctxt->nodeNr]; |
Daniel Veillard | 24505b0 | 2005-07-28 23:49:35 +0000 | [diff] [blame] | 461 | ctxt->nodeTab[ctxt->nodeNr] = NULL; |
Daniel Veillard | 1c732d2 | 2002-11-30 11:22:59 +0000 | [diff] [blame] | 462 | return (ret); |
| 463 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 464 | |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 465 | /* TODO: use hash table for accesses to elem and attribute definitions */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 466 | |
Daniel Veillard | b9cd8b4 | 2002-09-05 10:58:49 +0000 | [diff] [blame] | 467 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 468 | #define CHECK_DTD \ |
| 469 | if (doc == NULL) return(0); \ |
| 470 | else if ((doc->intSubset == NULL) && \ |
| 471 | (doc->extSubset == NULL)) return(0) |
| 472 | |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 473 | #ifdef LIBXML_REGEXP_ENABLED |
| 474 | |
| 475 | /************************************************************************ |
| 476 | * * |
| 477 | * Content model validation based on the regexps * |
| 478 | * * |
| 479 | ************************************************************************/ |
| 480 | |
| 481 | /** |
| 482 | * xmlValidBuildAContentModel: |
| 483 | * @content: the content model |
| 484 | * @ctxt: the schema parser context |
| 485 | * @name: the element name whose content is being built |
| 486 | * |
| 487 | * Generate the automata sequence needed for that type |
| 488 | * |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 489 | * Returns 1 if successful or 0 in case of error. |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 490 | */ |
| 491 | static int |
| 492 | xmlValidBuildAContentModel(xmlElementContentPtr content, |
| 493 | xmlValidCtxtPtr ctxt, |
| 494 | const xmlChar *name) { |
| 495 | if (content == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 496 | xmlErrValidNode(ctxt, NULL, XML_ERR_INTERNAL_ERROR, |
| 497 | "Found NULL content in content model of %s\n", |
| 498 | name, NULL, NULL); |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 499 | return(0); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 500 | } |
| 501 | switch (content->type) { |
| 502 | case XML_ELEMENT_CONTENT_PCDATA: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 503 | xmlErrValidNode(ctxt, NULL, XML_ERR_INTERNAL_ERROR, |
| 504 | "Found PCDATA in content model of %s\n", |
| 505 | name, NULL, NULL); |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 506 | return(0); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 507 | break; |
| 508 | case XML_ELEMENT_CONTENT_ELEMENT: { |
| 509 | xmlAutomataStatePtr oldstate = ctxt->state; |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 510 | xmlChar fn[50]; |
| 511 | xmlChar *fullname; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 512 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 513 | fullname = xmlBuildQName(content->name, content->prefix, fn, 50); |
| 514 | if (fullname == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 515 | xmlVErrMemory(ctxt, "Building content model"); |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 516 | return(0); |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 517 | } |
| 518 | |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 519 | switch (content->ocur) { |
| 520 | case XML_ELEMENT_CONTENT_ONCE: |
| 521 | ctxt->state = xmlAutomataNewTransition(ctxt->am, |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 522 | ctxt->state, NULL, fullname, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 523 | break; |
| 524 | case XML_ELEMENT_CONTENT_OPT: |
| 525 | ctxt->state = xmlAutomataNewTransition(ctxt->am, |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 526 | ctxt->state, NULL, fullname, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 527 | xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); |
| 528 | break; |
| 529 | case XML_ELEMENT_CONTENT_PLUS: |
| 530 | ctxt->state = xmlAutomataNewTransition(ctxt->am, |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 531 | ctxt->state, NULL, fullname, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 532 | xmlAutomataNewTransition(ctxt->am, ctxt->state, |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 533 | ctxt->state, fullname, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 534 | break; |
| 535 | case XML_ELEMENT_CONTENT_MULT: |
William M. Brack | 8b0cbb0 | 2004-04-17 13:31:06 +0000 | [diff] [blame] | 536 | ctxt->state = xmlAutomataNewEpsilon(ctxt->am, |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 537 | ctxt->state, NULL); |
William M. Brack | 8b0cbb0 | 2004-04-17 13:31:06 +0000 | [diff] [blame] | 538 | xmlAutomataNewTransition(ctxt->am, |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 539 | ctxt->state, ctxt->state, fullname, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 540 | break; |
| 541 | } |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 542 | if ((fullname != fn) && (fullname != content->name)) |
| 543 | xmlFree(fullname); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 544 | break; |
| 545 | } |
| 546 | case XML_ELEMENT_CONTENT_SEQ: { |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 547 | xmlAutomataStatePtr oldstate, oldend; |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 548 | xmlElementContentOccur ocur; |
| 549 | |
| 550 | /* |
| 551 | * Simply iterate over the content |
| 552 | */ |
| 553 | oldstate = ctxt->state; |
| 554 | ocur = content->ocur; |
Daniel Veillard | f4be018 | 2003-02-24 19:54:33 +0000 | [diff] [blame] | 555 | if (ocur != XML_ELEMENT_CONTENT_ONCE) { |
| 556 | ctxt->state = xmlAutomataNewEpsilon(ctxt->am, oldstate, NULL); |
| 557 | oldstate = ctxt->state; |
| 558 | } |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 559 | do { |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 560 | xmlValidBuildAContentModel(content->c1, ctxt, name); |
| 561 | content = content->c2; |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 562 | } while ((content->type == XML_ELEMENT_CONTENT_SEQ) && |
| 563 | (content->ocur == XML_ELEMENT_CONTENT_ONCE)); |
| 564 | xmlValidBuildAContentModel(content, ctxt, name); |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 565 | oldend = ctxt->state; |
| 566 | ctxt->state = xmlAutomataNewEpsilon(ctxt->am, oldend, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 567 | switch (ocur) { |
| 568 | case XML_ELEMENT_CONTENT_ONCE: |
| 569 | break; |
| 570 | case XML_ELEMENT_CONTENT_OPT: |
| 571 | xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); |
| 572 | break; |
| 573 | case XML_ELEMENT_CONTENT_MULT: |
| 574 | xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 575 | xmlAutomataNewEpsilon(ctxt->am, oldend, oldstate); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 576 | break; |
| 577 | case XML_ELEMENT_CONTENT_PLUS: |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 578 | xmlAutomataNewEpsilon(ctxt->am, oldend, oldstate); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 579 | break; |
| 580 | } |
| 581 | break; |
| 582 | } |
| 583 | case XML_ELEMENT_CONTENT_OR: { |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 584 | xmlAutomataStatePtr oldstate, oldend; |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 585 | xmlElementContentOccur ocur; |
| 586 | |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 587 | ocur = content->ocur; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 588 | if ((ocur == XML_ELEMENT_CONTENT_PLUS) || |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 589 | (ocur == XML_ELEMENT_CONTENT_MULT)) { |
| 590 | ctxt->state = xmlAutomataNewEpsilon(ctxt->am, |
| 591 | ctxt->state, NULL); |
| 592 | } |
| 593 | oldstate = ctxt->state; |
| 594 | oldend = xmlAutomataNewState(ctxt->am); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 595 | |
| 596 | /* |
| 597 | * iterate over the subtypes and remerge the end with an |
| 598 | * epsilon transition |
| 599 | */ |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 600 | do { |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 601 | ctxt->state = oldstate; |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 602 | xmlValidBuildAContentModel(content->c1, ctxt, name); |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 603 | xmlAutomataNewEpsilon(ctxt->am, ctxt->state, oldend); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 604 | content = content->c2; |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 605 | } while ((content->type == XML_ELEMENT_CONTENT_OR) && |
| 606 | (content->ocur == XML_ELEMENT_CONTENT_ONCE)); |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 607 | ctxt->state = oldstate; |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 608 | xmlValidBuildAContentModel(content, ctxt, name); |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 609 | xmlAutomataNewEpsilon(ctxt->am, ctxt->state, oldend); |
| 610 | ctxt->state = xmlAutomataNewEpsilon(ctxt->am, oldend, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 611 | switch (ocur) { |
| 612 | case XML_ELEMENT_CONTENT_ONCE: |
| 613 | break; |
| 614 | case XML_ELEMENT_CONTENT_OPT: |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 615 | xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 616 | break; |
| 617 | case XML_ELEMENT_CONTENT_MULT: |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 618 | xmlAutomataNewEpsilon(ctxt->am, oldstate, ctxt->state); |
| 619 | xmlAutomataNewEpsilon(ctxt->am, oldend, oldstate); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 620 | break; |
| 621 | case XML_ELEMENT_CONTENT_PLUS: |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 622 | xmlAutomataNewEpsilon(ctxt->am, oldend, oldstate); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 623 | break; |
| 624 | } |
| 625 | break; |
| 626 | } |
| 627 | default: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 628 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
| 629 | "ContentModel broken for element %s\n", |
| 630 | (const char *) name); |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 631 | return(0); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 632 | } |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 633 | return(1); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 634 | } |
| 635 | /** |
| 636 | * xmlValidBuildContentModel: |
| 637 | * @ctxt: a validation context |
| 638 | * @elem: an element declaration node |
| 639 | * |
| 640 | * (Re)Build the automata associated to the content model of this |
| 641 | * element |
| 642 | * |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 643 | * Returns 1 in case of success, 0 in case of error |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 644 | */ |
| 645 | int |
| 646 | xmlValidBuildContentModel(xmlValidCtxtPtr ctxt, xmlElementPtr elem) { |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 647 | |
| 648 | if ((ctxt == NULL) || (elem == NULL)) |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 649 | return(0); |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 650 | if (elem->type != XML_ELEMENT_DECL) |
| 651 | return(0); |
| 652 | if (elem->etype != XML_ELEMENT_TYPE_ELEMENT) |
| 653 | return(1); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 654 | /* TODO: should we rebuild in this case ? */ |
Daniel Veillard | ec498e1 | 2003-02-05 11:01:50 +0000 | [diff] [blame] | 655 | if (elem->contModel != NULL) { |
| 656 | if (!xmlRegexpIsDeterminist(elem->contModel)) { |
| 657 | ctxt->valid = 0; |
| 658 | return(0); |
| 659 | } |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 660 | return(1); |
Daniel Veillard | ec498e1 | 2003-02-05 11:01:50 +0000 | [diff] [blame] | 661 | } |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 662 | |
| 663 | ctxt->am = xmlNewAutomata(); |
| 664 | if (ctxt->am == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 665 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, |
| 666 | XML_ERR_INTERNAL_ERROR, |
| 667 | "Cannot create automata for element %s\n", |
| 668 | elem->name, NULL, NULL); |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 669 | return(0); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 670 | } |
William M. Brack | 78637da | 2003-07-31 14:47:38 +0000 | [diff] [blame] | 671 | ctxt->state = xmlAutomataGetInitState(ctxt->am); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 672 | xmlValidBuildAContentModel(elem->content, ctxt, elem->name); |
| 673 | xmlAutomataSetFinalState(ctxt->am, ctxt->state); |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 674 | elem->contModel = xmlAutomataCompile(ctxt->am); |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 675 | if (xmlRegexpIsDeterminist(elem->contModel) != 1) { |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 676 | char expr[5000]; |
| 677 | expr[0] = 0; |
| 678 | xmlSnprintfElementContent(expr, 5000, elem->content, 1); |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 679 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, |
| 680 | XML_DTD_CONTENT_NOT_DETERMINIST, |
Nick Wellnhofer | c714979 | 2022-09-01 23:15:35 +0200 | [diff] [blame] | 681 | "Content model of %s is not deterministic: %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 682 | elem->name, BAD_CAST expr, NULL); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 683 | ctxt->valid = 0; |
Daniel Veillard | ec498e1 | 2003-02-05 11:01:50 +0000 | [diff] [blame] | 684 | ctxt->state = NULL; |
| 685 | xmlFreeAutomata(ctxt->am); |
| 686 | ctxt->am = NULL; |
| 687 | return(0); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 688 | } |
| 689 | ctxt->state = NULL; |
| 690 | xmlFreeAutomata(ctxt->am); |
| 691 | ctxt->am = NULL; |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 692 | return(1); |
Daniel Veillard | aeb258a | 2002-09-13 14:48:12 +0000 | [diff] [blame] | 693 | } |
| 694 | |
| 695 | #endif /* LIBXML_REGEXP_ENABLED */ |
| 696 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 697 | /**************************************************************** |
| 698 | * * |
| 699 | * Util functions for data allocation/deallocation * |
| 700 | * * |
| 701 | ****************************************************************/ |
| 702 | |
| 703 | /** |
Daniel Veillard | a37aab8 | 2003-06-09 09:10:36 +0000 | [diff] [blame] | 704 | * xmlNewValidCtxt: |
| 705 | * |
| 706 | * Allocate a validation context structure. |
| 707 | * |
| 708 | * Returns NULL if not, otherwise the new validation context structure |
| 709 | */ |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 710 | xmlValidCtxtPtr xmlNewValidCtxt(void) { |
Daniel Veillard | a37aab8 | 2003-06-09 09:10:36 +0000 | [diff] [blame] | 711 | xmlValidCtxtPtr ret; |
| 712 | |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 713 | if ((ret = xmlMalloc(sizeof (xmlValidCtxt))) == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 714 | xmlVErrMemory(NULL, "malloc failed"); |
Daniel Veillard | a37aab8 | 2003-06-09 09:10:36 +0000 | [diff] [blame] | 715 | return (NULL); |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 716 | } |
Daniel Veillard | a37aab8 | 2003-06-09 09:10:36 +0000 | [diff] [blame] | 717 | |
| 718 | (void) memset(ret, 0, sizeof (xmlValidCtxt)); |
| 719 | |
| 720 | return (ret); |
| 721 | } |
| 722 | |
| 723 | /** |
| 724 | * xmlFreeValidCtxt: |
| 725 | * @cur: the validation context to free |
| 726 | * |
| 727 | * Free a validation context structure. |
| 728 | */ |
| 729 | void |
| 730 | xmlFreeValidCtxt(xmlValidCtxtPtr cur) { |
Nick Wellnhofer | a57a754 | 2023-03-12 16:06:19 +0100 | [diff] [blame] | 731 | if (cur == NULL) |
| 732 | return; |
Daniel Veillard | c0be74b | 2004-11-03 19:16:55 +0000 | [diff] [blame] | 733 | if (cur->vstateTab != NULL) |
| 734 | xmlFree(cur->vstateTab); |
| 735 | if (cur->nodeTab != NULL) |
| 736 | xmlFree(cur->nodeTab); |
Daniel Veillard | a37aab8 | 2003-06-09 09:10:36 +0000 | [diff] [blame] | 737 | xmlFree(cur); |
| 738 | } |
| 739 | |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 740 | #endif /* LIBXML_VALID_ENABLED */ |
| 741 | |
Daniel Veillard | a37aab8 | 2003-06-09 09:10:36 +0000 | [diff] [blame] | 742 | /** |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 743 | * xmlNewDocElementContent: |
| 744 | * @doc: the document |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 745 | * @name: the subelement name or NULL |
| 746 | * @type: the type of element content decl |
| 747 | * |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 748 | * Allocate an element content structure for the document. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 749 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 750 | * Returns NULL if not, otherwise the new element content structure |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 751 | */ |
| 752 | xmlElementContentPtr |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 753 | xmlNewDocElementContent(xmlDocPtr doc, const xmlChar *name, |
| 754 | xmlElementContentType type) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 755 | xmlElementContentPtr ret; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 756 | xmlDictPtr dict = NULL; |
| 757 | |
| 758 | if (doc != NULL) |
| 759 | dict = doc->dict; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 760 | |
| 761 | switch(type) { |
| 762 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 763 | if (name == NULL) { |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 764 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
| 765 | "xmlNewElementContent : name == NULL !\n", |
| 766 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 767 | } |
| 768 | break; |
| 769 | case XML_ELEMENT_CONTENT_PCDATA: |
| 770 | case XML_ELEMENT_CONTENT_SEQ: |
| 771 | case XML_ELEMENT_CONTENT_OR: |
| 772 | if (name != NULL) { |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 773 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
| 774 | "xmlNewElementContent : name != NULL !\n", |
| 775 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 776 | } |
| 777 | break; |
| 778 | default: |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 779 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 780 | "Internal: ELEMENT content corrupted invalid type\n", |
| 781 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 782 | return(NULL); |
| 783 | } |
| 784 | ret = (xmlElementContentPtr) xmlMalloc(sizeof(xmlElementContent)); |
| 785 | if (ret == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 786 | xmlVErrMemory(NULL, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 787 | return(NULL); |
| 788 | } |
Daniel Veillard | d54fa3e | 2002-02-20 16:48:52 +0000 | [diff] [blame] | 789 | memset(ret, 0, sizeof(xmlElementContent)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 790 | ret->type = type; |
| 791 | ret->ocur = XML_ELEMENT_CONTENT_ONCE; |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 792 | if (name != NULL) { |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 793 | int l; |
| 794 | const xmlChar *tmp; |
| 795 | |
| 796 | tmp = xmlSplitQName3(name, &l); |
| 797 | if (tmp == NULL) { |
| 798 | if (dict == NULL) |
| 799 | ret->name = xmlStrdup(name); |
| 800 | else |
| 801 | ret->name = xmlDictLookup(dict, name, -1); |
| 802 | } else { |
| 803 | if (dict == NULL) { |
| 804 | ret->prefix = xmlStrndup(name, l); |
| 805 | ret->name = xmlStrdup(tmp); |
| 806 | } else { |
| 807 | ret->prefix = xmlDictLookup(dict, name, l); |
| 808 | ret->name = xmlDictLookup(dict, tmp, -1); |
| 809 | } |
| 810 | } |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 811 | } |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 812 | return(ret); |
| 813 | } |
| 814 | |
| 815 | /** |
| 816 | * xmlNewElementContent: |
| 817 | * @name: the subelement name or NULL |
| 818 | * @type: the type of element content decl |
| 819 | * |
| 820 | * Allocate an element content structure. |
| 821 | * Deprecated in favor of xmlNewDocElementContent |
| 822 | * |
| 823 | * Returns NULL if not, otherwise the new element content structure |
| 824 | */ |
| 825 | xmlElementContentPtr |
| 826 | xmlNewElementContent(const xmlChar *name, xmlElementContentType type) { |
| 827 | return(xmlNewDocElementContent(NULL, name, type)); |
| 828 | } |
| 829 | |
| 830 | /** |
| 831 | * xmlCopyDocElementContent: |
| 832 | * @doc: the document owning the element declaration |
| 833 | * @cur: An element content pointer. |
| 834 | * |
| 835 | * Build a copy of an element content description. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 836 | * |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 837 | * Returns the new xmlElementContentPtr or NULL in case of error. |
| 838 | */ |
| 839 | xmlElementContentPtr |
| 840 | xmlCopyDocElementContent(xmlDocPtr doc, xmlElementContentPtr cur) { |
| 841 | xmlElementContentPtr ret = NULL, prev = NULL, tmp; |
| 842 | xmlDictPtr dict = NULL; |
| 843 | |
| 844 | if (cur == NULL) return(NULL); |
| 845 | |
| 846 | if (doc != NULL) |
| 847 | dict = doc->dict; |
| 848 | |
| 849 | ret = (xmlElementContentPtr) xmlMalloc(sizeof(xmlElementContent)); |
| 850 | if (ret == NULL) { |
| 851 | xmlVErrMemory(NULL, "malloc failed"); |
| 852 | return(NULL); |
| 853 | } |
| 854 | memset(ret, 0, sizeof(xmlElementContent)); |
| 855 | ret->type = cur->type; |
| 856 | ret->ocur = cur->ocur; |
| 857 | if (cur->name != NULL) { |
| 858 | if (dict) |
| 859 | ret->name = xmlDictLookup(dict, cur->name, -1); |
| 860 | else |
| 861 | ret->name = xmlStrdup(cur->name); |
| 862 | } |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 863 | |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 864 | if (cur->prefix != NULL) { |
| 865 | if (dict) |
| 866 | ret->prefix = xmlDictLookup(dict, cur->prefix, -1); |
| 867 | else |
| 868 | ret->prefix = xmlStrdup(cur->prefix); |
| 869 | } |
| 870 | if (cur->c1 != NULL) |
| 871 | ret->c1 = xmlCopyDocElementContent(doc, cur->c1); |
| 872 | if (ret->c1 != NULL) |
| 873 | ret->c1->parent = ret; |
| 874 | if (cur->c2 != NULL) { |
| 875 | prev = ret; |
| 876 | cur = cur->c2; |
| 877 | while (cur != NULL) { |
| 878 | tmp = (xmlElementContentPtr) xmlMalloc(sizeof(xmlElementContent)); |
| 879 | if (tmp == NULL) { |
| 880 | xmlVErrMemory(NULL, "malloc failed"); |
| 881 | return(ret); |
| 882 | } |
| 883 | memset(tmp, 0, sizeof(xmlElementContent)); |
| 884 | tmp->type = cur->type; |
| 885 | tmp->ocur = cur->ocur; |
| 886 | prev->c2 = tmp; |
David Kilzer | b7e8e4c | 2022-04-06 18:05:20 -0700 | [diff] [blame] | 887 | tmp->parent = prev; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 888 | if (cur->name != NULL) { |
| 889 | if (dict) |
| 890 | tmp->name = xmlDictLookup(dict, cur->name, -1); |
| 891 | else |
| 892 | tmp->name = xmlStrdup(cur->name); |
| 893 | } |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 894 | |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 895 | if (cur->prefix != NULL) { |
| 896 | if (dict) |
| 897 | tmp->prefix = xmlDictLookup(dict, cur->prefix, -1); |
| 898 | else |
| 899 | tmp->prefix = xmlStrdup(cur->prefix); |
| 900 | } |
| 901 | if (cur->c1 != NULL) |
| 902 | tmp->c1 = xmlCopyDocElementContent(doc,cur->c1); |
| 903 | if (tmp->c1 != NULL) |
Nick Wellnhofer | 58de9d3 | 2023-08-03 12:00:55 +0200 | [diff] [blame] | 904 | tmp->c1->parent = tmp; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 905 | prev = tmp; |
| 906 | cur = cur->c2; |
| 907 | } |
| 908 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 909 | return(ret); |
| 910 | } |
| 911 | |
| 912 | /** |
| 913 | * xmlCopyElementContent: |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 914 | * @cur: An element content pointer. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 915 | * |
| 916 | * Build a copy of an element content description. |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 917 | * Deprecated, use xmlCopyDocElementContent instead |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 918 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 919 | * Returns the new xmlElementContentPtr or NULL in case of error. |
| 920 | */ |
| 921 | xmlElementContentPtr |
| 922 | xmlCopyElementContent(xmlElementContentPtr cur) { |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 923 | return(xmlCopyDocElementContent(NULL, cur)); |
| 924 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 925 | |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 926 | /** |
| 927 | * xmlFreeDocElementContent: |
| 928 | * @doc: the document owning the element declaration |
| 929 | * @cur: the element content tree to free |
| 930 | * |
| 931 | * Free an element content structure. The whole subtree is removed. |
| 932 | */ |
| 933 | void |
| 934 | xmlFreeDocElementContent(xmlDocPtr doc, xmlElementContentPtr cur) { |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 935 | xmlDictPtr dict = NULL; |
Nick Wellnhofer | aec2bf7 | 2019-10-14 18:01:51 +0200 | [diff] [blame] | 936 | size_t depth = 0; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 937 | |
Nick Wellnhofer | aec2bf7 | 2019-10-14 18:01:51 +0200 | [diff] [blame] | 938 | if (cur == NULL) |
| 939 | return; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 940 | if (doc != NULL) |
| 941 | dict = doc->dict; |
| 942 | |
Nick Wellnhofer | aec2bf7 | 2019-10-14 18:01:51 +0200 | [diff] [blame] | 943 | while (1) { |
| 944 | xmlElementContentPtr parent; |
| 945 | |
| 946 | while ((cur->c1 != NULL) || (cur->c2 != NULL)) { |
| 947 | cur = (cur->c1 != NULL) ? cur->c1 : cur->c2; |
| 948 | depth += 1; |
| 949 | } |
| 950 | |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 951 | switch (cur->type) { |
| 952 | case XML_ELEMENT_CONTENT_PCDATA: |
| 953 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 954 | case XML_ELEMENT_CONTENT_SEQ: |
| 955 | case XML_ELEMENT_CONTENT_OR: |
| 956 | break; |
| 957 | default: |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 958 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 959 | "Internal: ELEMENT content corrupted invalid type\n", |
| 960 | NULL); |
| 961 | return; |
| 962 | } |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 963 | if (dict) { |
| 964 | if ((cur->name != NULL) && (!xmlDictOwns(dict, cur->name))) |
| 965 | xmlFree((xmlChar *) cur->name); |
| 966 | if ((cur->prefix != NULL) && (!xmlDictOwns(dict, cur->prefix))) |
| 967 | xmlFree((xmlChar *) cur->prefix); |
| 968 | } else { |
| 969 | if (cur->name != NULL) xmlFree((xmlChar *) cur->name); |
| 970 | if (cur->prefix != NULL) xmlFree((xmlChar *) cur->prefix); |
| 971 | } |
Nick Wellnhofer | aec2bf7 | 2019-10-14 18:01:51 +0200 | [diff] [blame] | 972 | parent = cur->parent; |
| 973 | if ((depth == 0) || (parent == NULL)) { |
| 974 | xmlFree(cur); |
| 975 | break; |
| 976 | } |
| 977 | if (cur == parent->c1) |
| 978 | parent->c1 = NULL; |
| 979 | else |
| 980 | parent->c2 = NULL; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 981 | xmlFree(cur); |
Nick Wellnhofer | aec2bf7 | 2019-10-14 18:01:51 +0200 | [diff] [blame] | 982 | |
| 983 | if (parent->c2 != NULL) { |
| 984 | cur = parent->c2; |
| 985 | } else { |
| 986 | depth -= 1; |
| 987 | cur = parent; |
| 988 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 989 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 990 | } |
| 991 | |
| 992 | /** |
| 993 | * xmlFreeElementContent: |
| 994 | * @cur: the element content tree to free |
| 995 | * |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 996 | * Free an element content structure. The whole subtree is removed. |
| 997 | * Deprecated, use xmlFreeDocElementContent instead |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 998 | */ |
| 999 | void |
| 1000 | xmlFreeElementContent(xmlElementContentPtr cur) { |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1001 | xmlFreeDocElementContent(NULL, cur); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1002 | } |
| 1003 | |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1004 | #ifdef LIBXML_OUTPUT_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1005 | /** |
Nick Wellnhofer | 24e3973 | 2019-10-04 14:42:59 +0200 | [diff] [blame] | 1006 | * xmlDumpElementOccur: |
| 1007 | * @buf: An XML buffer |
| 1008 | * @cur: An element table |
| 1009 | * |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 1010 | * Dump the occurrence operator of an element. |
Nick Wellnhofer | 24e3973 | 2019-10-04 14:42:59 +0200 | [diff] [blame] | 1011 | */ |
| 1012 | static void |
| 1013 | xmlDumpElementOccur(xmlBufferPtr buf, xmlElementContentPtr cur) { |
| 1014 | switch (cur->ocur) { |
| 1015 | case XML_ELEMENT_CONTENT_ONCE: |
| 1016 | break; |
| 1017 | case XML_ELEMENT_CONTENT_OPT: |
| 1018 | xmlBufferWriteChar(buf, "?"); |
| 1019 | break; |
| 1020 | case XML_ELEMENT_CONTENT_MULT: |
| 1021 | xmlBufferWriteChar(buf, "*"); |
| 1022 | break; |
| 1023 | case XML_ELEMENT_CONTENT_PLUS: |
| 1024 | xmlBufferWriteChar(buf, "+"); |
| 1025 | break; |
| 1026 | } |
| 1027 | } |
| 1028 | |
| 1029 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1030 | * xmlDumpElementContent: |
| 1031 | * @buf: An XML buffer |
| 1032 | * @content: An element table |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1033 | * |
| 1034 | * This will dump the content of the element table as an XML DTD definition |
| 1035 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1036 | static void |
Nick Wellnhofer | 24e3973 | 2019-10-04 14:42:59 +0200 | [diff] [blame] | 1037 | xmlDumpElementContent(xmlBufferPtr buf, xmlElementContentPtr content) { |
| 1038 | xmlElementContentPtr cur; |
| 1039 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1040 | if (content == NULL) return; |
| 1041 | |
Nick Wellnhofer | 24e3973 | 2019-10-04 14:42:59 +0200 | [diff] [blame] | 1042 | xmlBufferWriteChar(buf, "("); |
| 1043 | cur = content; |
| 1044 | |
| 1045 | do { |
| 1046 | if (cur == NULL) return; |
| 1047 | |
| 1048 | switch (cur->type) { |
| 1049 | case XML_ELEMENT_CONTENT_PCDATA: |
| 1050 | xmlBufferWriteChar(buf, "#PCDATA"); |
| 1051 | break; |
| 1052 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 1053 | if (cur->prefix != NULL) { |
| 1054 | xmlBufferWriteCHAR(buf, cur->prefix); |
| 1055 | xmlBufferWriteChar(buf, ":"); |
| 1056 | } |
| 1057 | xmlBufferWriteCHAR(buf, cur->name); |
| 1058 | break; |
| 1059 | case XML_ELEMENT_CONTENT_SEQ: |
| 1060 | case XML_ELEMENT_CONTENT_OR: |
| 1061 | if ((cur != content) && |
| 1062 | (cur->parent != NULL) && |
| 1063 | ((cur->type != cur->parent->type) || |
| 1064 | (cur->ocur != XML_ELEMENT_CONTENT_ONCE))) |
| 1065 | xmlBufferWriteChar(buf, "("); |
| 1066 | cur = cur->c1; |
| 1067 | continue; |
| 1068 | default: |
| 1069 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
| 1070 | "Internal: ELEMENT cur corrupted invalid type\n", |
| 1071 | NULL); |
| 1072 | } |
| 1073 | |
| 1074 | while (cur != content) { |
| 1075 | xmlElementContentPtr parent = cur->parent; |
| 1076 | |
| 1077 | if (parent == NULL) return; |
| 1078 | |
| 1079 | if (((cur->type == XML_ELEMENT_CONTENT_OR) || |
| 1080 | (cur->type == XML_ELEMENT_CONTENT_SEQ)) && |
| 1081 | ((cur->type != parent->type) || |
| 1082 | (cur->ocur != XML_ELEMENT_CONTENT_ONCE))) |
| 1083 | xmlBufferWriteChar(buf, ")"); |
| 1084 | xmlDumpElementOccur(buf, cur); |
| 1085 | |
| 1086 | if (cur == parent->c1) { |
| 1087 | if (parent->type == XML_ELEMENT_CONTENT_SEQ) |
| 1088 | xmlBufferWriteChar(buf, " , "); |
| 1089 | else if (parent->type == XML_ELEMENT_CONTENT_OR) |
| 1090 | xmlBufferWriteChar(buf, " | "); |
| 1091 | |
| 1092 | cur = parent->c2; |
| 1093 | break; |
| 1094 | } |
| 1095 | |
| 1096 | cur = parent; |
| 1097 | } |
| 1098 | } while (cur != content); |
| 1099 | |
| 1100 | xmlBufferWriteChar(buf, ")"); |
| 1101 | xmlDumpElementOccur(buf, content); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1102 | } |
| 1103 | |
| 1104 | /** |
| 1105 | * xmlSprintfElementContent: |
| 1106 | * @buf: an output buffer |
| 1107 | * @content: An element table |
Daniel Veillard | 1b75c3b | 2005-06-26 21:49:08 +0000 | [diff] [blame] | 1108 | * @englob: 1 if one must print the englobing parenthesis, 0 otherwise |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1109 | * |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1110 | * Deprecated, unsafe, use xmlSnprintfElementContent |
| 1111 | */ |
| 1112 | void |
| 1113 | xmlSprintfElementContent(char *buf ATTRIBUTE_UNUSED, |
| 1114 | xmlElementContentPtr content ATTRIBUTE_UNUSED, |
Daniel Veillard | 1b75c3b | 2005-06-26 21:49:08 +0000 | [diff] [blame] | 1115 | int englob ATTRIBUTE_UNUSED) { |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1116 | } |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1117 | #endif /* LIBXML_OUTPUT_ENABLED */ |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1118 | |
| 1119 | /** |
| 1120 | * xmlSnprintfElementContent: |
| 1121 | * @buf: an output buffer |
| 1122 | * @size: the buffer size |
| 1123 | * @content: An element table |
Daniel Veillard | 1b75c3b | 2005-06-26 21:49:08 +0000 | [diff] [blame] | 1124 | * @englob: 1 if one must print the englobing parenthesis, 0 otherwise |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1125 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1126 | * This will dump the content of the element content definition |
| 1127 | * Intended just for the debug routine |
| 1128 | */ |
| 1129 | void |
Daniel Veillard | 1b75c3b | 2005-06-26 21:49:08 +0000 | [diff] [blame] | 1130 | xmlSnprintfElementContent(char *buf, int size, xmlElementContentPtr content, int englob) { |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1131 | int len; |
| 1132 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1133 | if (content == NULL) return; |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1134 | len = strlen(buf); |
| 1135 | if (size - len < 50) { |
| 1136 | if ((size - len > 4) && (buf[len - 1] != '.')) |
| 1137 | strcat(buf, " ..."); |
| 1138 | return; |
| 1139 | } |
Daniel Veillard | 1b75c3b | 2005-06-26 21:49:08 +0000 | [diff] [blame] | 1140 | if (englob) strcat(buf, "("); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1141 | switch (content->type) { |
| 1142 | case XML_ELEMENT_CONTENT_PCDATA: |
| 1143 | strcat(buf, "#PCDATA"); |
| 1144 | break; |
Nick Wellnhofer | 932cc98 | 2017-06-03 02:01:29 +0200 | [diff] [blame] | 1145 | case XML_ELEMENT_CONTENT_ELEMENT: { |
| 1146 | int qnameLen = xmlStrlen(content->name); |
| 1147 | |
| 1148 | if (content->prefix != NULL) |
| 1149 | qnameLen += xmlStrlen(content->prefix) + 1; |
| 1150 | if (size - len < qnameLen + 10) { |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1151 | strcat(buf, " ..."); |
| 1152 | return; |
| 1153 | } |
Nick Wellnhofer | 932cc98 | 2017-06-03 02:01:29 +0200 | [diff] [blame] | 1154 | if (content->prefix != NULL) { |
| 1155 | strcat(buf, (char *) content->prefix); |
| 1156 | strcat(buf, ":"); |
| 1157 | } |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 1158 | if (content->name != NULL) |
| 1159 | strcat(buf, (char *) content->name); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1160 | break; |
Nick Wellnhofer | 932cc98 | 2017-06-03 02:01:29 +0200 | [diff] [blame] | 1161 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1162 | case XML_ELEMENT_CONTENT_SEQ: |
| 1163 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 1164 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1165 | xmlSnprintfElementContent(buf, size, content->c1, 1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1166 | else |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1167 | xmlSnprintfElementContent(buf, size, content->c1, 0); |
| 1168 | len = strlen(buf); |
| 1169 | if (size - len < 50) { |
| 1170 | if ((size - len > 4) && (buf[len - 1] != '.')) |
| 1171 | strcat(buf, " ..."); |
| 1172 | return; |
| 1173 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1174 | strcat(buf, " , "); |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 1175 | if (((content->c2->type == XML_ELEMENT_CONTENT_OR) || |
| 1176 | (content->c2->ocur != XML_ELEMENT_CONTENT_ONCE)) && |
| 1177 | (content->c2->type != XML_ELEMENT_CONTENT_ELEMENT)) |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1178 | xmlSnprintfElementContent(buf, size, content->c2, 1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1179 | else |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1180 | xmlSnprintfElementContent(buf, size, content->c2, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1181 | break; |
| 1182 | case XML_ELEMENT_CONTENT_OR: |
| 1183 | if ((content->c1->type == XML_ELEMENT_CONTENT_OR) || |
| 1184 | (content->c1->type == XML_ELEMENT_CONTENT_SEQ)) |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1185 | xmlSnprintfElementContent(buf, size, content->c1, 1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1186 | else |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1187 | xmlSnprintfElementContent(buf, size, content->c1, 0); |
| 1188 | len = strlen(buf); |
| 1189 | if (size - len < 50) { |
| 1190 | if ((size - len > 4) && (buf[len - 1] != '.')) |
| 1191 | strcat(buf, " ..."); |
| 1192 | return; |
| 1193 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1194 | strcat(buf, " | "); |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 1195 | if (((content->c2->type == XML_ELEMENT_CONTENT_SEQ) || |
| 1196 | (content->c2->ocur != XML_ELEMENT_CONTENT_ONCE)) && |
| 1197 | (content->c2->type != XML_ELEMENT_CONTENT_ELEMENT)) |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1198 | xmlSnprintfElementContent(buf, size, content->c2, 1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1199 | else |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 1200 | xmlSnprintfElementContent(buf, size, content->c2, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1201 | break; |
| 1202 | } |
Nick Wellnhofer | 932cc98 | 2017-06-03 02:01:29 +0200 | [diff] [blame] | 1203 | if (size - strlen(buf) <= 2) return; |
Daniel Veillard | 1b75c3b | 2005-06-26 21:49:08 +0000 | [diff] [blame] | 1204 | if (englob) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1205 | strcat(buf, ")"); |
| 1206 | switch (content->ocur) { |
| 1207 | case XML_ELEMENT_CONTENT_ONCE: |
| 1208 | break; |
| 1209 | case XML_ELEMENT_CONTENT_OPT: |
| 1210 | strcat(buf, "?"); |
| 1211 | break; |
| 1212 | case XML_ELEMENT_CONTENT_MULT: |
| 1213 | strcat(buf, "*"); |
| 1214 | break; |
| 1215 | case XML_ELEMENT_CONTENT_PLUS: |
| 1216 | strcat(buf, "+"); |
| 1217 | break; |
| 1218 | } |
| 1219 | } |
| 1220 | |
| 1221 | /**************************************************************** |
| 1222 | * * |
| 1223 | * Registration of DTD declarations * |
| 1224 | * * |
| 1225 | ****************************************************************/ |
| 1226 | |
| 1227 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1228 | * xmlFreeElement: |
| 1229 | * @elem: An element |
| 1230 | * |
| 1231 | * Deallocate the memory used by an element definition |
| 1232 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1233 | static void |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1234 | xmlFreeElement(xmlElementPtr elem) { |
| 1235 | if (elem == NULL) return; |
| 1236 | xmlUnlinkNode((xmlNodePtr) elem); |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1237 | xmlFreeDocElementContent(elem->doc, elem->content); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1238 | if (elem->name != NULL) |
| 1239 | xmlFree((xmlChar *) elem->name); |
| 1240 | if (elem->prefix != NULL) |
| 1241 | xmlFree((xmlChar *) elem->prefix); |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 1242 | #ifdef LIBXML_REGEXP_ENABLED |
| 1243 | if (elem->contModel != NULL) |
| 1244 | xmlRegFreeRegexp(elem->contModel); |
| 1245 | #endif |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1246 | xmlFree(elem); |
| 1247 | } |
| 1248 | |
| 1249 | |
| 1250 | /** |
| 1251 | * xmlAddElementDecl: |
| 1252 | * @ctxt: the validation context |
| 1253 | * @dtd: pointer to the DTD |
| 1254 | * @name: the entity name |
| 1255 | * @type: the element type |
| 1256 | * @content: the element content tree or NULL |
| 1257 | * |
| 1258 | * Register a new element declaration |
| 1259 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1260 | * Returns NULL if not, otherwise the entity |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1261 | */ |
| 1262 | xmlElementPtr |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 1263 | xmlAddElementDecl(xmlValidCtxtPtr ctxt, |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1264 | xmlDtdPtr dtd, const xmlChar *name, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1265 | xmlElementTypeVal type, |
| 1266 | xmlElementContentPtr content) { |
| 1267 | xmlElementPtr ret; |
| 1268 | xmlElementTablePtr table; |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1269 | xmlAttributePtr oldAttributes = NULL; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1270 | xmlChar *ns, *uqname; |
| 1271 | |
| 1272 | if (dtd == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1273 | return(NULL); |
| 1274 | } |
| 1275 | if (name == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1276 | return(NULL); |
| 1277 | } |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 1278 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1279 | switch (type) { |
| 1280 | case XML_ELEMENT_TYPE_EMPTY: |
| 1281 | if (content != NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1282 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1283 | "xmlAddElementDecl: content != NULL for EMPTY\n", |
| 1284 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1285 | return(NULL); |
| 1286 | } |
| 1287 | break; |
| 1288 | case XML_ELEMENT_TYPE_ANY: |
| 1289 | if (content != NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1290 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1291 | "xmlAddElementDecl: content != NULL for ANY\n", |
| 1292 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1293 | return(NULL); |
| 1294 | } |
| 1295 | break; |
| 1296 | case XML_ELEMENT_TYPE_MIXED: |
| 1297 | if (content == NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1298 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1299 | "xmlAddElementDecl: content == NULL for MIXED\n", |
| 1300 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1301 | return(NULL); |
| 1302 | } |
| 1303 | break; |
| 1304 | case XML_ELEMENT_TYPE_ELEMENT: |
| 1305 | if (content == NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1306 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1307 | "xmlAddElementDecl: content == NULL for ELEMENT\n", |
| 1308 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1309 | return(NULL); |
| 1310 | } |
| 1311 | break; |
| 1312 | default: |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1313 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1314 | "Internal: ELEMENT decl corrupted invalid type\n", |
| 1315 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1316 | return(NULL); |
| 1317 | } |
| 1318 | |
| 1319 | /* |
| 1320 | * check if name is a QName |
| 1321 | */ |
| 1322 | uqname = xmlSplitQName2(name, &ns); |
| 1323 | if (uqname != NULL) |
| 1324 | name = uqname; |
| 1325 | |
| 1326 | /* |
| 1327 | * Create the Element table if needed. |
| 1328 | */ |
| 1329 | table = (xmlElementTablePtr) dtd->elements; |
| 1330 | if (table == NULL) { |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 1331 | xmlDictPtr dict = NULL; |
| 1332 | |
| 1333 | if (dtd->doc != NULL) |
| 1334 | dict = dtd->doc->dict; |
| 1335 | table = xmlHashCreateDict(0, dict); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1336 | dtd->elements = (void *) table; |
| 1337 | } |
| 1338 | if (table == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 1339 | xmlVErrMemory(ctxt, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1340 | "xmlAddElementDecl: Table creation failed!\n"); |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 1341 | if (uqname != NULL) |
| 1342 | xmlFree(uqname); |
| 1343 | if (ns != NULL) |
| 1344 | xmlFree(ns); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1345 | return(NULL); |
| 1346 | } |
| 1347 | |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1348 | /* |
| 1349 | * lookup old attributes inserted on an undefined element in the |
| 1350 | * internal subset. |
| 1351 | */ |
| 1352 | if ((dtd->doc != NULL) && (dtd->doc->intSubset != NULL)) { |
| 1353 | ret = xmlHashLookup2(dtd->doc->intSubset->elements, name, ns); |
| 1354 | if ((ret != NULL) && (ret->etype == XML_ELEMENT_TYPE_UNDEFINED)) { |
| 1355 | oldAttributes = ret->attributes; |
| 1356 | ret->attributes = NULL; |
| 1357 | xmlHashRemoveEntry2(dtd->doc->intSubset->elements, name, ns, NULL); |
| 1358 | xmlFreeElement(ret); |
| 1359 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1360 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1361 | |
| 1362 | /* |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1363 | * The element may already be present if one of its attribute |
| 1364 | * was registered first |
| 1365 | */ |
| 1366 | ret = xmlHashLookup2(table, name, ns); |
| 1367 | if (ret != NULL) { |
| 1368 | if (ret->etype != XML_ELEMENT_TYPE_UNDEFINED) { |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1369 | #ifdef LIBXML_VALID_ENABLED |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1370 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1371 | * The element is already defined in this DTD. |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1372 | */ |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1373 | xmlErrValidNode(ctxt, (xmlNodePtr) dtd, XML_DTD_ELEM_REDEFINED, |
| 1374 | "Redefinition of element %s\n", |
| 1375 | name, NULL, NULL); |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1376 | #endif /* LIBXML_VALID_ENABLED */ |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1377 | if (uqname != NULL) |
| 1378 | xmlFree(uqname); |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 1379 | if (ns != NULL) |
| 1380 | xmlFree(ns); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1381 | return(NULL); |
| 1382 | } |
William M. Brack | d6e347e | 2005-04-15 01:34:41 +0000 | [diff] [blame] | 1383 | if (ns != NULL) { |
| 1384 | xmlFree(ns); |
| 1385 | ns = NULL; |
| 1386 | } |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1387 | } else { |
| 1388 | ret = (xmlElementPtr) xmlMalloc(sizeof(xmlElement)); |
| 1389 | if (ret == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 1390 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 1391 | if (uqname != NULL) |
| 1392 | xmlFree(uqname); |
| 1393 | if (ns != NULL) |
| 1394 | xmlFree(ns); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1395 | return(NULL); |
| 1396 | } |
| 1397 | memset(ret, 0, sizeof(xmlElement)); |
| 1398 | ret->type = XML_ELEMENT_DECL; |
| 1399 | |
| 1400 | /* |
| 1401 | * fill the structure. |
| 1402 | */ |
| 1403 | ret->name = xmlStrdup(name); |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 1404 | if (ret->name == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 1405 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 1406 | if (uqname != NULL) |
| 1407 | xmlFree(uqname); |
| 1408 | if (ns != NULL) |
| 1409 | xmlFree(ns); |
| 1410 | xmlFree(ret); |
| 1411 | return(NULL); |
| 1412 | } |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1413 | ret->prefix = ns; |
| 1414 | |
| 1415 | /* |
| 1416 | * Validity Check: |
| 1417 | * Insertion must not fail |
| 1418 | */ |
| 1419 | if (xmlHashAddEntry2(table, name, ns, ret)) { |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1420 | #ifdef LIBXML_VALID_ENABLED |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1421 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1422 | * The element is already defined in this DTD. |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1423 | */ |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1424 | xmlErrValidNode(ctxt, (xmlNodePtr) dtd, XML_DTD_ELEM_REDEFINED, |
| 1425 | "Redefinition of element %s\n", |
| 1426 | name, NULL, NULL); |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1427 | #endif /* LIBXML_VALID_ENABLED */ |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1428 | xmlFreeElement(ret); |
| 1429 | if (uqname != NULL) |
| 1430 | xmlFree(uqname); |
| 1431 | return(NULL); |
| 1432 | } |
William M. Brack | 4e52f2f | 2003-09-14 18:07:39 +0000 | [diff] [blame] | 1433 | /* |
| 1434 | * For new element, may have attributes from earlier |
| 1435 | * definition in internal subset |
| 1436 | */ |
| 1437 | ret->attributes = oldAttributes; |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1438 | } |
| 1439 | |
| 1440 | /* |
| 1441 | * Finish to fill the structure. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1442 | */ |
| 1443 | ret->etype = type; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1444 | /* |
| 1445 | * Avoid a stupid copy when called by the parser |
| 1446 | * and flag it by setting a special parent value |
| 1447 | * so the parser doesn't unallocate it. |
| 1448 | */ |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 1449 | if ((ctxt != NULL) && (ctxt->flags & XML_VCTXT_USE_PCTXT)) { |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1450 | ret->content = content; |
| 1451 | if (content != NULL) |
| 1452 | content->parent = (xmlElementContentPtr) 1; |
| 1453 | } else { |
| 1454 | ret->content = xmlCopyDocElementContent(dtd->doc, content); |
| 1455 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1456 | |
| 1457 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1458 | * Link it to the DTD |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1459 | */ |
| 1460 | ret->parent = dtd; |
| 1461 | ret->doc = dtd->doc; |
| 1462 | if (dtd->last == NULL) { |
| 1463 | dtd->children = dtd->last = (xmlNodePtr) ret; |
| 1464 | } else { |
| 1465 | dtd->last->next = (xmlNodePtr) ret; |
| 1466 | ret->prev = dtd->last; |
| 1467 | dtd->last = (xmlNodePtr) ret; |
| 1468 | } |
| 1469 | if (uqname != NULL) |
| 1470 | xmlFree(uqname); |
| 1471 | return(ret); |
| 1472 | } |
| 1473 | |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 1474 | static void |
| 1475 | xmlFreeElementTableEntry(void *elem, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 1476 | xmlFreeElement((xmlElementPtr) elem); |
| 1477 | } |
| 1478 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1479 | /** |
| 1480 | * xmlFreeElementTable: |
| 1481 | * @table: An element table |
| 1482 | * |
| 1483 | * Deallocate the memory used by an element hash table. |
| 1484 | */ |
| 1485 | void |
| 1486 | xmlFreeElementTable(xmlElementTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 1487 | xmlHashFree(table, xmlFreeElementTableEntry); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1488 | } |
| 1489 | |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 1490 | #ifdef LIBXML_TREE_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1491 | /** |
| 1492 | * xmlCopyElement: |
| 1493 | * @elem: An element |
| 1494 | * |
| 1495 | * Build a copy of an element. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1496 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1497 | * Returns the new xmlElementPtr or NULL in case of error. |
| 1498 | */ |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 1499 | static void * |
| 1500 | xmlCopyElement(void *payload, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 1501 | xmlElementPtr elem = (xmlElementPtr) payload; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1502 | xmlElementPtr cur; |
| 1503 | |
| 1504 | cur = (xmlElementPtr) xmlMalloc(sizeof(xmlElement)); |
| 1505 | if (cur == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 1506 | xmlVErrMemory(NULL, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1507 | return(NULL); |
| 1508 | } |
| 1509 | memset(cur, 0, sizeof(xmlElement)); |
| 1510 | cur->type = XML_ELEMENT_DECL; |
| 1511 | cur->etype = elem->etype; |
| 1512 | if (elem->name != NULL) |
| 1513 | cur->name = xmlStrdup(elem->name); |
| 1514 | else |
| 1515 | cur->name = NULL; |
| 1516 | if (elem->prefix != NULL) |
| 1517 | cur->prefix = xmlStrdup(elem->prefix); |
| 1518 | else |
| 1519 | cur->prefix = NULL; |
| 1520 | cur->content = xmlCopyElementContent(elem->content); |
| 1521 | /* TODO : rebuild the attribute list on the copy */ |
| 1522 | cur->attributes = NULL; |
| 1523 | return(cur); |
| 1524 | } |
| 1525 | |
| 1526 | /** |
| 1527 | * xmlCopyElementTable: |
| 1528 | * @table: An element table |
| 1529 | * |
| 1530 | * Build a copy of an element table. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1531 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1532 | * Returns the new xmlElementTablePtr or NULL in case of error. |
| 1533 | */ |
| 1534 | xmlElementTablePtr |
| 1535 | xmlCopyElementTable(xmlElementTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 1536 | return((xmlElementTablePtr) xmlHashCopy(table, xmlCopyElement)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1537 | } |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 1538 | #endif /* LIBXML_TREE_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1539 | |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1540 | #ifdef LIBXML_OUTPUT_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1541 | /** |
| 1542 | * xmlDumpElementDecl: |
| 1543 | * @buf: the XML buffer output |
| 1544 | * @elem: An element table |
| 1545 | * |
| 1546 | * This will dump the content of the element declaration as an XML |
| 1547 | * DTD definition |
| 1548 | */ |
| 1549 | void |
| 1550 | xmlDumpElementDecl(xmlBufferPtr buf, xmlElementPtr elem) { |
Daniel Veillard | ce682bc | 2004-11-05 17:22:25 +0000 | [diff] [blame] | 1551 | if ((buf == NULL) || (elem == NULL)) |
| 1552 | return; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1553 | switch (elem->etype) { |
| 1554 | case XML_ELEMENT_TYPE_EMPTY: |
| 1555 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 1556 | if (elem->prefix != NULL) { |
| 1557 | xmlBufferWriteCHAR(buf, elem->prefix); |
| 1558 | xmlBufferWriteChar(buf, ":"); |
| 1559 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1560 | xmlBufferWriteCHAR(buf, elem->name); |
| 1561 | xmlBufferWriteChar(buf, " EMPTY>\n"); |
| 1562 | break; |
| 1563 | case XML_ELEMENT_TYPE_ANY: |
| 1564 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 1565 | if (elem->prefix != NULL) { |
| 1566 | xmlBufferWriteCHAR(buf, elem->prefix); |
| 1567 | xmlBufferWriteChar(buf, ":"); |
| 1568 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1569 | xmlBufferWriteCHAR(buf, elem->name); |
| 1570 | xmlBufferWriteChar(buf, " ANY>\n"); |
| 1571 | break; |
| 1572 | case XML_ELEMENT_TYPE_MIXED: |
| 1573 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 1574 | if (elem->prefix != NULL) { |
| 1575 | xmlBufferWriteCHAR(buf, elem->prefix); |
| 1576 | xmlBufferWriteChar(buf, ":"); |
| 1577 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1578 | xmlBufferWriteCHAR(buf, elem->name); |
| 1579 | xmlBufferWriteChar(buf, " "); |
Nick Wellnhofer | 24e3973 | 2019-10-04 14:42:59 +0200 | [diff] [blame] | 1580 | xmlDumpElementContent(buf, elem->content); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1581 | xmlBufferWriteChar(buf, ">\n"); |
| 1582 | break; |
| 1583 | case XML_ELEMENT_TYPE_ELEMENT: |
| 1584 | xmlBufferWriteChar(buf, "<!ELEMENT "); |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 1585 | if (elem->prefix != NULL) { |
| 1586 | xmlBufferWriteCHAR(buf, elem->prefix); |
| 1587 | xmlBufferWriteChar(buf, ":"); |
| 1588 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1589 | xmlBufferWriteCHAR(buf, elem->name); |
| 1590 | xmlBufferWriteChar(buf, " "); |
Nick Wellnhofer | 24e3973 | 2019-10-04 14:42:59 +0200 | [diff] [blame] | 1591 | xmlDumpElementContent(buf, elem->content); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1592 | xmlBufferWriteChar(buf, ">\n"); |
| 1593 | break; |
| 1594 | default: |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1595 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1596 | "Internal: ELEMENT struct corrupted invalid type\n", |
| 1597 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1598 | } |
| 1599 | } |
| 1600 | |
| 1601 | /** |
William M. Brack | 9e66059 | 2003-10-20 14:56:06 +0000 | [diff] [blame] | 1602 | * xmlDumpElementDeclScan: |
| 1603 | * @elem: An element table |
| 1604 | * @buf: the XML buffer output |
| 1605 | * |
| 1606 | * This routine is used by the hash scan function. It just reverses |
| 1607 | * the arguments. |
| 1608 | */ |
| 1609 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 1610 | xmlDumpElementDeclScan(void *elem, void *buf, |
| 1611 | const xmlChar *name ATTRIBUTE_UNUSED) { |
| 1612 | xmlDumpElementDecl((xmlBufferPtr) buf, (xmlElementPtr) elem); |
William M. Brack | 9e66059 | 2003-10-20 14:56:06 +0000 | [diff] [blame] | 1613 | } |
| 1614 | |
| 1615 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1616 | * xmlDumpElementTable: |
| 1617 | * @buf: the XML buffer output |
| 1618 | * @table: An element table |
| 1619 | * |
| 1620 | * This will dump the content of the element table as an XML DTD definition |
| 1621 | */ |
| 1622 | void |
| 1623 | xmlDumpElementTable(xmlBufferPtr buf, xmlElementTablePtr table) { |
Daniel Veillard | ce682bc | 2004-11-05 17:22:25 +0000 | [diff] [blame] | 1624 | if ((buf == NULL) || (table == NULL)) |
| 1625 | return; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 1626 | xmlHashScan(table, xmlDumpElementDeclScan, buf); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1627 | } |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1628 | #endif /* LIBXML_OUTPUT_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1629 | |
| 1630 | /** |
| 1631 | * xmlCreateEnumeration: |
| 1632 | * @name: the enumeration name or NULL |
| 1633 | * |
| 1634 | * create and initialize an enumeration attribute node. |
| 1635 | * |
| 1636 | * Returns the xmlEnumerationPtr just created or NULL in case |
| 1637 | * of error. |
| 1638 | */ |
| 1639 | xmlEnumerationPtr |
Daniel Veillard | 2fdbd32 | 2003-08-18 12:15:38 +0000 | [diff] [blame] | 1640 | xmlCreateEnumeration(const xmlChar *name) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1641 | xmlEnumerationPtr ret; |
| 1642 | |
| 1643 | ret = (xmlEnumerationPtr) xmlMalloc(sizeof(xmlEnumeration)); |
| 1644 | if (ret == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 1645 | xmlVErrMemory(NULL, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1646 | return(NULL); |
| 1647 | } |
| 1648 | memset(ret, 0, sizeof(xmlEnumeration)); |
| 1649 | |
| 1650 | if (name != NULL) |
| 1651 | ret->name = xmlStrdup(name); |
| 1652 | return(ret); |
| 1653 | } |
| 1654 | |
| 1655 | /** |
| 1656 | * xmlFreeEnumeration: |
| 1657 | * @cur: the tree to free. |
| 1658 | * |
| 1659 | * free an enumeration attribute node (recursive). |
| 1660 | */ |
| 1661 | void |
| 1662 | xmlFreeEnumeration(xmlEnumerationPtr cur) { |
| 1663 | if (cur == NULL) return; |
| 1664 | |
| 1665 | if (cur->next != NULL) xmlFreeEnumeration(cur->next); |
| 1666 | |
| 1667 | if (cur->name != NULL) xmlFree((xmlChar *) cur->name); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1668 | xmlFree(cur); |
| 1669 | } |
| 1670 | |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 1671 | #ifdef LIBXML_TREE_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1672 | /** |
| 1673 | * xmlCopyEnumeration: |
| 1674 | * @cur: the tree to copy. |
| 1675 | * |
| 1676 | * Copy an enumeration attribute node (recursive). |
| 1677 | * |
| 1678 | * Returns the xmlEnumerationPtr just created or NULL in case |
| 1679 | * of error. |
| 1680 | */ |
| 1681 | xmlEnumerationPtr |
| 1682 | xmlCopyEnumeration(xmlEnumerationPtr cur) { |
| 1683 | xmlEnumerationPtr ret; |
| 1684 | |
| 1685 | if (cur == NULL) return(NULL); |
| 1686 | ret = xmlCreateEnumeration((xmlChar *) cur->name); |
Gaurav Gupta | 658b86c | 2014-08-07 11:19:03 +0800 | [diff] [blame] | 1687 | if (ret == NULL) return(NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1688 | |
| 1689 | if (cur->next != NULL) ret->next = xmlCopyEnumeration(cur->next); |
| 1690 | else ret->next = NULL; |
| 1691 | |
| 1692 | return(ret); |
| 1693 | } |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 1694 | #endif /* LIBXML_TREE_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1695 | |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1696 | #ifdef LIBXML_OUTPUT_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1697 | /** |
| 1698 | * xmlDumpEnumeration: |
| 1699 | * @buf: the XML buffer output |
| 1700 | * @enum: An enumeration |
| 1701 | * |
| 1702 | * This will dump the content of the enumeration |
| 1703 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1704 | static void |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1705 | xmlDumpEnumeration(xmlBufferPtr buf, xmlEnumerationPtr cur) { |
Daniel Veillard | ce682bc | 2004-11-05 17:22:25 +0000 | [diff] [blame] | 1706 | if ((buf == NULL) || (cur == NULL)) |
| 1707 | return; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1708 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1709 | xmlBufferWriteCHAR(buf, cur->name); |
| 1710 | if (cur->next == NULL) |
| 1711 | xmlBufferWriteChar(buf, ")"); |
| 1712 | else { |
| 1713 | xmlBufferWriteChar(buf, " | "); |
| 1714 | xmlDumpEnumeration(buf, cur->next); |
| 1715 | } |
| 1716 | } |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1717 | #endif /* LIBXML_OUTPUT_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1718 | |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1719 | #ifdef LIBXML_VALID_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1720 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1721 | * xmlScanIDAttributeDecl: |
| 1722 | * @ctxt: the validation context |
| 1723 | * @elem: the element name |
Daniel Veillard | dbee0f1 | 2005-06-27 13:42:57 +0000 | [diff] [blame] | 1724 | * @err: whether to raise errors here |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1725 | * |
| 1726 | * Verify that the element don't have too many ID attributes |
| 1727 | * declared. |
| 1728 | * |
| 1729 | * Returns the number of ID attributes found. |
| 1730 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1731 | static int |
Daniel Veillard | dbee0f1 | 2005-06-27 13:42:57 +0000 | [diff] [blame] | 1732 | xmlScanIDAttributeDecl(xmlValidCtxtPtr ctxt, xmlElementPtr elem, int err) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1733 | xmlAttributePtr cur; |
| 1734 | int ret = 0; |
| 1735 | |
| 1736 | if (elem == NULL) return(0); |
| 1737 | cur = elem->attributes; |
| 1738 | while (cur != NULL) { |
| 1739 | if (cur->atype == XML_ATTRIBUTE_ID) { |
| 1740 | ret ++; |
Daniel Veillard | dbee0f1 | 2005-06-27 13:42:57 +0000 | [diff] [blame] | 1741 | if ((ret > 1) && (err)) |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1742 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, XML_DTD_MULTIPLE_ID, |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 1743 | "Element %s has too many ID attributes defined : %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1744 | elem->name, cur->name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1745 | } |
| 1746 | cur = cur->nexth; |
| 1747 | } |
| 1748 | return(ret); |
| 1749 | } |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1750 | #endif /* LIBXML_VALID_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1751 | |
| 1752 | /** |
| 1753 | * xmlFreeAttribute: |
| 1754 | * @elem: An attribute |
| 1755 | * |
| 1756 | * Deallocate the memory used by an attribute definition |
| 1757 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 1758 | static void |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1759 | xmlFreeAttribute(xmlAttributePtr attr) { |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1760 | xmlDictPtr dict; |
| 1761 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1762 | if (attr == NULL) return; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1763 | if (attr->doc != NULL) |
| 1764 | dict = attr->doc->dict; |
| 1765 | else |
| 1766 | dict = NULL; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1767 | xmlUnlinkNode((xmlNodePtr) attr); |
| 1768 | if (attr->tree != NULL) |
| 1769 | xmlFreeEnumeration(attr->tree); |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1770 | if (dict) { |
| 1771 | if ((attr->elem != NULL) && (!xmlDictOwns(dict, attr->elem))) |
| 1772 | xmlFree((xmlChar *) attr->elem); |
| 1773 | if ((attr->name != NULL) && (!xmlDictOwns(dict, attr->name))) |
| 1774 | xmlFree((xmlChar *) attr->name); |
| 1775 | if ((attr->prefix != NULL) && (!xmlDictOwns(dict, attr->prefix))) |
| 1776 | xmlFree((xmlChar *) attr->prefix); |
| 1777 | if ((attr->defaultValue != NULL) && |
| 1778 | (!xmlDictOwns(dict, attr->defaultValue))) |
| 1779 | xmlFree((xmlChar *) attr->defaultValue); |
| 1780 | } else { |
| 1781 | if (attr->elem != NULL) |
| 1782 | xmlFree((xmlChar *) attr->elem); |
| 1783 | if (attr->name != NULL) |
| 1784 | xmlFree((xmlChar *) attr->name); |
| 1785 | if (attr->defaultValue != NULL) |
| 1786 | xmlFree((xmlChar *) attr->defaultValue); |
| 1787 | if (attr->prefix != NULL) |
| 1788 | xmlFree((xmlChar *) attr->prefix); |
| 1789 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1790 | xmlFree(attr); |
| 1791 | } |
| 1792 | |
| 1793 | |
| 1794 | /** |
| 1795 | * xmlAddAttributeDecl: |
| 1796 | * @ctxt: the validation context |
| 1797 | * @dtd: pointer to the DTD |
| 1798 | * @elem: the element name |
| 1799 | * @name: the attribute name |
| 1800 | * @ns: the attribute namespace prefix |
| 1801 | * @type: the attribute type |
| 1802 | * @def: the attribute default type |
| 1803 | * @defaultValue: the attribute default value |
| 1804 | * @tree: if it's an enumeration, the associated list |
| 1805 | * |
| 1806 | * Register a new attribute declaration |
| 1807 | * Note that @tree becomes the ownership of the DTD |
| 1808 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1809 | * Returns NULL if not new, otherwise the attribute decl |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1810 | */ |
| 1811 | xmlAttributePtr |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 1812 | xmlAddAttributeDecl(xmlValidCtxtPtr ctxt, |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 1813 | xmlDtdPtr dtd, const xmlChar *elem, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1814 | const xmlChar *name, const xmlChar *ns, |
| 1815 | xmlAttributeType type, xmlAttributeDefault def, |
| 1816 | const xmlChar *defaultValue, xmlEnumerationPtr tree) { |
| 1817 | xmlAttributePtr ret; |
| 1818 | xmlAttributeTablePtr table; |
| 1819 | xmlElementPtr elemDef; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1820 | xmlDictPtr dict = NULL; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1821 | |
| 1822 | if (dtd == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1823 | xmlFreeEnumeration(tree); |
| 1824 | return(NULL); |
| 1825 | } |
| 1826 | if (name == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1827 | xmlFreeEnumeration(tree); |
| 1828 | return(NULL); |
| 1829 | } |
| 1830 | if (elem == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1831 | xmlFreeEnumeration(tree); |
| 1832 | return(NULL); |
| 1833 | } |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1834 | if (dtd->doc != NULL) |
| 1835 | dict = dtd->doc->dict; |
Daniel Veillard | d85f4f4 | 2002-03-25 10:48:46 +0000 | [diff] [blame] | 1836 | |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1837 | #ifdef LIBXML_VALID_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1838 | /* |
| 1839 | * Check the type and possibly the default value. |
| 1840 | */ |
| 1841 | switch (type) { |
| 1842 | case XML_ATTRIBUTE_CDATA: |
| 1843 | break; |
| 1844 | case XML_ATTRIBUTE_ID: |
| 1845 | break; |
| 1846 | case XML_ATTRIBUTE_IDREF: |
| 1847 | break; |
| 1848 | case XML_ATTRIBUTE_IDREFS: |
| 1849 | break; |
| 1850 | case XML_ATTRIBUTE_ENTITY: |
| 1851 | break; |
| 1852 | case XML_ATTRIBUTE_ENTITIES: |
| 1853 | break; |
| 1854 | case XML_ATTRIBUTE_NMTOKEN: |
| 1855 | break; |
| 1856 | case XML_ATTRIBUTE_NMTOKENS: |
| 1857 | break; |
| 1858 | case XML_ATTRIBUTE_ENUMERATION: |
| 1859 | break; |
| 1860 | case XML_ATTRIBUTE_NOTATION: |
| 1861 | break; |
| 1862 | default: |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1863 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1864 | "Internal: ATTRIBUTE struct corrupted invalid type\n", |
| 1865 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1866 | xmlFreeEnumeration(tree); |
| 1867 | return(NULL); |
| 1868 | } |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 1869 | if ((defaultValue != NULL) && |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 1870 | (!xmlValidateAttributeValueInternal(dtd->doc, type, defaultValue))) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1871 | xmlErrValidNode(ctxt, (xmlNodePtr) dtd, XML_DTD_ATTRIBUTE_DEFAULT, |
| 1872 | "Attribute %s of %s: invalid default value\n", |
| 1873 | elem, name, defaultValue); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1874 | defaultValue = NULL; |
Daniel Veillard | 4259532 | 2004-11-08 10:52:06 +0000 | [diff] [blame] | 1875 | if (ctxt != NULL) |
| 1876 | ctxt->valid = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1877 | } |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1878 | #endif /* LIBXML_VALID_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1879 | |
| 1880 | /* |
Daniel Veillard | d85f4f4 | 2002-03-25 10:48:46 +0000 | [diff] [blame] | 1881 | * Check first that an attribute defined in the external subset wasn't |
| 1882 | * already defined in the internal subset |
| 1883 | */ |
| 1884 | if ((dtd->doc != NULL) && (dtd->doc->extSubset == dtd) && |
| 1885 | (dtd->doc->intSubset != NULL) && |
| 1886 | (dtd->doc->intSubset->attributes != NULL)) { |
| 1887 | ret = xmlHashLookup3(dtd->doc->intSubset->attributes, name, ns, elem); |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 1888 | if (ret != NULL) { |
| 1889 | xmlFreeEnumeration(tree); |
Daniel Veillard | d85f4f4 | 2002-03-25 10:48:46 +0000 | [diff] [blame] | 1890 | return(NULL); |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 1891 | } |
Daniel Veillard | d85f4f4 | 2002-03-25 10:48:46 +0000 | [diff] [blame] | 1892 | } |
| 1893 | |
| 1894 | /* |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1895 | * Create the Attribute table if needed. |
| 1896 | */ |
| 1897 | table = (xmlAttributeTablePtr) dtd->attributes; |
| 1898 | if (table == NULL) { |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 1899 | table = xmlHashCreateDict(0, dict); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1900 | dtd->attributes = (void *) table; |
| 1901 | } |
| 1902 | if (table == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 1903 | xmlVErrMemory(ctxt, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 1904 | "xmlAddAttributeDecl: Table creation failed!\n"); |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 1905 | xmlFreeEnumeration(tree); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1906 | return(NULL); |
| 1907 | } |
| 1908 | |
| 1909 | |
| 1910 | ret = (xmlAttributePtr) xmlMalloc(sizeof(xmlAttribute)); |
| 1911 | if (ret == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 1912 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 1913 | xmlFreeEnumeration(tree); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1914 | return(NULL); |
| 1915 | } |
| 1916 | memset(ret, 0, sizeof(xmlAttribute)); |
| 1917 | ret->type = XML_ATTRIBUTE_DECL; |
| 1918 | |
| 1919 | /* |
| 1920 | * fill the structure. |
| 1921 | */ |
| 1922 | ret->atype = type; |
William M. Brack | f810de0 | 2005-07-06 22:48:41 +0000 | [diff] [blame] | 1923 | /* |
| 1924 | * doc must be set before possible error causes call |
| 1925 | * to xmlFreeAttribute (because it's used to check on |
| 1926 | * dict use) |
| 1927 | */ |
| 1928 | ret->doc = dtd->doc; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1929 | if (dict) { |
| 1930 | ret->name = xmlDictLookup(dict, name, -1); |
| 1931 | ret->prefix = xmlDictLookup(dict, ns, -1); |
| 1932 | ret->elem = xmlDictLookup(dict, elem, -1); |
| 1933 | } else { |
| 1934 | ret->name = xmlStrdup(name); |
| 1935 | ret->prefix = xmlStrdup(ns); |
| 1936 | ret->elem = xmlStrdup(elem); |
| 1937 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1938 | ret->def = def; |
| 1939 | ret->tree = tree; |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1940 | if (defaultValue != NULL) { |
| 1941 | if (dict) |
| 1942 | ret->defaultValue = xmlDictLookup(dict, defaultValue, -1); |
| 1943 | else |
| 1944 | ret->defaultValue = xmlStrdup(defaultValue); |
| 1945 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1946 | |
| 1947 | /* |
| 1948 | * Validity Check: |
| 1949 | * Search the DTD for previous declarations of the ATTLIST |
| 1950 | */ |
Daniel Veillard | cee2b3a | 2005-01-25 00:22:52 +0000 | [diff] [blame] | 1951 | if (xmlHashAddEntry3(table, ret->name, ret->prefix, ret->elem, ret) < 0) { |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1952 | #ifdef LIBXML_VALID_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1953 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1954 | * The attribute is already defined in this DTD. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1955 | */ |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1956 | xmlErrValidWarning(ctxt, (xmlNodePtr) dtd, XML_DTD_ATTRIBUTE_REDEFINED, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 1957 | "Attribute %s of element %s: already defined\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1958 | name, elem, NULL); |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1959 | #endif /* LIBXML_VALID_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1960 | xmlFreeAttribute(ret); |
| 1961 | return(NULL); |
| 1962 | } |
| 1963 | |
| 1964 | /* |
| 1965 | * Validity Check: |
| 1966 | * Multiple ID per element |
| 1967 | */ |
Nick Wellnhofer | 9fa1b22 | 2023-02-14 16:43:35 +0100 | [diff] [blame] | 1968 | elemDef = xmlGetDtdElementDesc2(ctxt, dtd, elem, 1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1969 | if (elemDef != NULL) { |
Daniel Veillard | 48da910 | 2001-08-07 01:10:10 +0000 | [diff] [blame] | 1970 | |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1971 | #ifdef LIBXML_VALID_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1972 | if ((type == XML_ATTRIBUTE_ID) && |
Daniel Veillard | dbee0f1 | 2005-06-27 13:42:57 +0000 | [diff] [blame] | 1973 | (xmlScanIDAttributeDecl(NULL, elemDef, 1) != 0)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1974 | xmlErrValidNode(ctxt, (xmlNodePtr) dtd, XML_DTD_MULTIPLE_ID, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 1975 | "Element %s has too may ID attributes defined : %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 1976 | elem, name, NULL); |
Daniel Veillard | 4259532 | 2004-11-08 10:52:06 +0000 | [diff] [blame] | 1977 | if (ctxt != NULL) |
| 1978 | ctxt->valid = 0; |
Daniel Veillard | c761299 | 2002-02-17 22:47:37 +0000 | [diff] [blame] | 1979 | } |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 1980 | #endif /* LIBXML_VALID_ENABLED */ |
Daniel Veillard | c761299 | 2002-02-17 22:47:37 +0000 | [diff] [blame] | 1981 | |
Daniel Veillard | 48da910 | 2001-08-07 01:10:10 +0000 | [diff] [blame] | 1982 | /* |
| 1983 | * Insert namespace default def first they need to be |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 1984 | * processed first. |
Daniel Veillard | 48da910 | 2001-08-07 01:10:10 +0000 | [diff] [blame] | 1985 | */ |
| 1986 | if ((xmlStrEqual(ret->name, BAD_CAST "xmlns")) || |
| 1987 | ((ret->prefix != NULL && |
| 1988 | (xmlStrEqual(ret->prefix, BAD_CAST "xmlns"))))) { |
| 1989 | ret->nexth = elemDef->attributes; |
| 1990 | elemDef->attributes = ret; |
| 1991 | } else { |
| 1992 | xmlAttributePtr tmp = elemDef->attributes; |
| 1993 | |
| 1994 | while ((tmp != NULL) && |
| 1995 | ((xmlStrEqual(tmp->name, BAD_CAST "xmlns")) || |
| 1996 | ((ret->prefix != NULL && |
| 1997 | (xmlStrEqual(ret->prefix, BAD_CAST "xmlns")))))) { |
| 1998 | if (tmp->nexth == NULL) |
| 1999 | break; |
| 2000 | tmp = tmp->nexth; |
| 2001 | } |
| 2002 | if (tmp != NULL) { |
| 2003 | ret->nexth = tmp->nexth; |
| 2004 | tmp->nexth = ret; |
| 2005 | } else { |
| 2006 | ret->nexth = elemDef->attributes; |
| 2007 | elemDef->attributes = ret; |
| 2008 | } |
| 2009 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2010 | } |
| 2011 | |
| 2012 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2013 | * Link it to the DTD |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2014 | */ |
| 2015 | ret->parent = dtd; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2016 | if (dtd->last == NULL) { |
| 2017 | dtd->children = dtd->last = (xmlNodePtr) ret; |
| 2018 | } else { |
| 2019 | dtd->last->next = (xmlNodePtr) ret; |
| 2020 | ret->prev = dtd->last; |
| 2021 | dtd->last = (xmlNodePtr) ret; |
| 2022 | } |
| 2023 | return(ret); |
| 2024 | } |
| 2025 | |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2026 | static void |
| 2027 | xmlFreeAttributeTableEntry(void *attr, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2028 | xmlFreeAttribute((xmlAttributePtr) attr); |
| 2029 | } |
| 2030 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2031 | /** |
| 2032 | * xmlFreeAttributeTable: |
| 2033 | * @table: An attribute table |
| 2034 | * |
| 2035 | * Deallocate the memory used by an entities hash table. |
| 2036 | */ |
| 2037 | void |
| 2038 | xmlFreeAttributeTable(xmlAttributeTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2039 | xmlHashFree(table, xmlFreeAttributeTableEntry); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2040 | } |
| 2041 | |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 2042 | #ifdef LIBXML_TREE_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2043 | /** |
| 2044 | * xmlCopyAttribute: |
| 2045 | * @attr: An attribute |
| 2046 | * |
| 2047 | * Build a copy of an attribute. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2048 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2049 | * Returns the new xmlAttributePtr or NULL in case of error. |
| 2050 | */ |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2051 | static void * |
| 2052 | xmlCopyAttribute(void *payload, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2053 | xmlAttributePtr attr = (xmlAttributePtr) payload; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2054 | xmlAttributePtr cur; |
| 2055 | |
| 2056 | cur = (xmlAttributePtr) xmlMalloc(sizeof(xmlAttribute)); |
| 2057 | if (cur == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2058 | xmlVErrMemory(NULL, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2059 | return(NULL); |
| 2060 | } |
| 2061 | memset(cur, 0, sizeof(xmlAttribute)); |
Daniel Veillard | 3606581 | 2002-01-24 15:02:46 +0000 | [diff] [blame] | 2062 | cur->type = XML_ATTRIBUTE_DECL; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2063 | cur->atype = attr->atype; |
| 2064 | cur->def = attr->def; |
| 2065 | cur->tree = xmlCopyEnumeration(attr->tree); |
| 2066 | if (attr->elem != NULL) |
| 2067 | cur->elem = xmlStrdup(attr->elem); |
| 2068 | if (attr->name != NULL) |
| 2069 | cur->name = xmlStrdup(attr->name); |
Daniel Veillard | 3606581 | 2002-01-24 15:02:46 +0000 | [diff] [blame] | 2070 | if (attr->prefix != NULL) |
| 2071 | cur->prefix = xmlStrdup(attr->prefix); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2072 | if (attr->defaultValue != NULL) |
| 2073 | cur->defaultValue = xmlStrdup(attr->defaultValue); |
| 2074 | return(cur); |
| 2075 | } |
| 2076 | |
| 2077 | /** |
| 2078 | * xmlCopyAttributeTable: |
| 2079 | * @table: An attribute table |
| 2080 | * |
| 2081 | * Build a copy of an attribute table. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2082 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2083 | * Returns the new xmlAttributeTablePtr or NULL in case of error. |
| 2084 | */ |
| 2085 | xmlAttributeTablePtr |
| 2086 | xmlCopyAttributeTable(xmlAttributeTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2087 | return((xmlAttributeTablePtr) xmlHashCopy(table, xmlCopyAttribute)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2088 | } |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 2089 | #endif /* LIBXML_TREE_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2090 | |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 2091 | #ifdef LIBXML_OUTPUT_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2092 | /** |
| 2093 | * xmlDumpAttributeDecl: |
| 2094 | * @buf: the XML buffer output |
| 2095 | * @attr: An attribute declaration |
| 2096 | * |
| 2097 | * This will dump the content of the attribute declaration as an XML |
| 2098 | * DTD definition |
| 2099 | */ |
| 2100 | void |
| 2101 | xmlDumpAttributeDecl(xmlBufferPtr buf, xmlAttributePtr attr) { |
Daniel Veillard | ce682bc | 2004-11-05 17:22:25 +0000 | [diff] [blame] | 2102 | if ((buf == NULL) || (attr == NULL)) |
| 2103 | return; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2104 | xmlBufferWriteChar(buf, "<!ATTLIST "); |
| 2105 | xmlBufferWriteCHAR(buf, attr->elem); |
| 2106 | xmlBufferWriteChar(buf, " "); |
| 2107 | if (attr->prefix != NULL) { |
| 2108 | xmlBufferWriteCHAR(buf, attr->prefix); |
| 2109 | xmlBufferWriteChar(buf, ":"); |
| 2110 | } |
| 2111 | xmlBufferWriteCHAR(buf, attr->name); |
| 2112 | switch (attr->atype) { |
| 2113 | case XML_ATTRIBUTE_CDATA: |
| 2114 | xmlBufferWriteChar(buf, " CDATA"); |
| 2115 | break; |
| 2116 | case XML_ATTRIBUTE_ID: |
| 2117 | xmlBufferWriteChar(buf, " ID"); |
| 2118 | break; |
| 2119 | case XML_ATTRIBUTE_IDREF: |
| 2120 | xmlBufferWriteChar(buf, " IDREF"); |
| 2121 | break; |
| 2122 | case XML_ATTRIBUTE_IDREFS: |
| 2123 | xmlBufferWriteChar(buf, " IDREFS"); |
| 2124 | break; |
| 2125 | case XML_ATTRIBUTE_ENTITY: |
| 2126 | xmlBufferWriteChar(buf, " ENTITY"); |
| 2127 | break; |
| 2128 | case XML_ATTRIBUTE_ENTITIES: |
| 2129 | xmlBufferWriteChar(buf, " ENTITIES"); |
| 2130 | break; |
| 2131 | case XML_ATTRIBUTE_NMTOKEN: |
| 2132 | xmlBufferWriteChar(buf, " NMTOKEN"); |
| 2133 | break; |
| 2134 | case XML_ATTRIBUTE_NMTOKENS: |
| 2135 | xmlBufferWriteChar(buf, " NMTOKENS"); |
| 2136 | break; |
| 2137 | case XML_ATTRIBUTE_ENUMERATION: |
| 2138 | xmlBufferWriteChar(buf, " ("); |
| 2139 | xmlDumpEnumeration(buf, attr->tree); |
| 2140 | break; |
| 2141 | case XML_ATTRIBUTE_NOTATION: |
| 2142 | xmlBufferWriteChar(buf, " NOTATION ("); |
| 2143 | xmlDumpEnumeration(buf, attr->tree); |
| 2144 | break; |
| 2145 | default: |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2146 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 2147 | "Internal: ATTRIBUTE struct corrupted invalid type\n", |
| 2148 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2149 | } |
| 2150 | switch (attr->def) { |
| 2151 | case XML_ATTRIBUTE_NONE: |
| 2152 | break; |
| 2153 | case XML_ATTRIBUTE_REQUIRED: |
| 2154 | xmlBufferWriteChar(buf, " #REQUIRED"); |
| 2155 | break; |
| 2156 | case XML_ATTRIBUTE_IMPLIED: |
| 2157 | xmlBufferWriteChar(buf, " #IMPLIED"); |
| 2158 | break; |
| 2159 | case XML_ATTRIBUTE_FIXED: |
| 2160 | xmlBufferWriteChar(buf, " #FIXED"); |
| 2161 | break; |
| 2162 | default: |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2163 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 2164 | "Internal: ATTRIBUTE struct corrupted invalid def\n", |
| 2165 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2166 | } |
| 2167 | if (attr->defaultValue != NULL) { |
| 2168 | xmlBufferWriteChar(buf, " "); |
| 2169 | xmlBufferWriteQuotedString(buf, attr->defaultValue); |
| 2170 | } |
| 2171 | xmlBufferWriteChar(buf, ">\n"); |
| 2172 | } |
| 2173 | |
| 2174 | /** |
William M. Brack | 9e66059 | 2003-10-20 14:56:06 +0000 | [diff] [blame] | 2175 | * xmlDumpAttributeDeclScan: |
| 2176 | * @attr: An attribute declaration |
| 2177 | * @buf: the XML buffer output |
| 2178 | * |
| 2179 | * This is used with the hash scan function - just reverses arguments |
| 2180 | */ |
| 2181 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2182 | xmlDumpAttributeDeclScan(void *attr, void *buf, |
| 2183 | const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2184 | xmlDumpAttributeDecl((xmlBufferPtr) buf, (xmlAttributePtr) attr); |
William M. Brack | 9e66059 | 2003-10-20 14:56:06 +0000 | [diff] [blame] | 2185 | } |
| 2186 | |
| 2187 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2188 | * xmlDumpAttributeTable: |
| 2189 | * @buf: the XML buffer output |
| 2190 | * @table: An attribute table |
| 2191 | * |
| 2192 | * This will dump the content of the attribute table as an XML DTD definition |
| 2193 | */ |
| 2194 | void |
| 2195 | xmlDumpAttributeTable(xmlBufferPtr buf, xmlAttributeTablePtr table) { |
Daniel Veillard | ce682bc | 2004-11-05 17:22:25 +0000 | [diff] [blame] | 2196 | if ((buf == NULL) || (table == NULL)) |
| 2197 | return; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2198 | xmlHashScan(table, xmlDumpAttributeDeclScan, buf); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2199 | } |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 2200 | #endif /* LIBXML_OUTPUT_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2201 | |
| 2202 | /************************************************************************ |
| 2203 | * * |
| 2204 | * NOTATIONs * |
| 2205 | * * |
| 2206 | ************************************************************************/ |
| 2207 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2208 | * xmlFreeNotation: |
| 2209 | * @not: A notation |
| 2210 | * |
| 2211 | * Deallocate the memory used by an notation definition |
| 2212 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 2213 | static void |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2214 | xmlFreeNotation(xmlNotationPtr nota) { |
| 2215 | if (nota == NULL) return; |
| 2216 | if (nota->name != NULL) |
| 2217 | xmlFree((xmlChar *) nota->name); |
| 2218 | if (nota->PublicID != NULL) |
| 2219 | xmlFree((xmlChar *) nota->PublicID); |
| 2220 | if (nota->SystemID != NULL) |
| 2221 | xmlFree((xmlChar *) nota->SystemID); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2222 | xmlFree(nota); |
| 2223 | } |
| 2224 | |
| 2225 | |
| 2226 | /** |
| 2227 | * xmlAddNotationDecl: |
| 2228 | * @dtd: pointer to the DTD |
| 2229 | * @ctxt: the validation context |
| 2230 | * @name: the entity name |
| 2231 | * @PublicID: the public identifier or NULL |
| 2232 | * @SystemID: the system identifier or NULL |
| 2233 | * |
| 2234 | * Register a new notation declaration |
| 2235 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2236 | * Returns NULL if not, otherwise the entity |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2237 | */ |
| 2238 | xmlNotationPtr |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 2239 | xmlAddNotationDecl(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 2240 | const xmlChar *name, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2241 | const xmlChar *PublicID, const xmlChar *SystemID) { |
| 2242 | xmlNotationPtr ret; |
| 2243 | xmlNotationTablePtr table; |
| 2244 | |
| 2245 | if (dtd == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2246 | return(NULL); |
| 2247 | } |
| 2248 | if (name == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2249 | return(NULL); |
| 2250 | } |
| 2251 | if ((PublicID == NULL) && (SystemID == NULL)) { |
Daniel Veillard | 7aea52d | 2002-02-17 23:07:47 +0000 | [diff] [blame] | 2252 | return(NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2253 | } |
| 2254 | |
| 2255 | /* |
| 2256 | * Create the Notation table if needed. |
| 2257 | */ |
| 2258 | table = (xmlNotationTablePtr) dtd->notations; |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 2259 | if (table == NULL) { |
| 2260 | xmlDictPtr dict = NULL; |
| 2261 | if (dtd->doc != NULL) |
| 2262 | dict = dtd->doc->dict; |
| 2263 | |
| 2264 | dtd->notations = table = xmlHashCreateDict(0, dict); |
| 2265 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2266 | if (table == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2267 | xmlVErrMemory(ctxt, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2268 | "xmlAddNotationDecl: Table creation failed!\n"); |
| 2269 | return(NULL); |
| 2270 | } |
| 2271 | |
| 2272 | ret = (xmlNotationPtr) xmlMalloc(sizeof(xmlNotation)); |
| 2273 | if (ret == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2274 | xmlVErrMemory(ctxt, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2275 | return(NULL); |
| 2276 | } |
| 2277 | memset(ret, 0, sizeof(xmlNotation)); |
| 2278 | |
| 2279 | /* |
| 2280 | * fill the structure. |
| 2281 | */ |
| 2282 | ret->name = xmlStrdup(name); |
| 2283 | if (SystemID != NULL) |
| 2284 | ret->SystemID = xmlStrdup(SystemID); |
| 2285 | if (PublicID != NULL) |
| 2286 | ret->PublicID = xmlStrdup(PublicID); |
| 2287 | |
| 2288 | /* |
| 2289 | * Validity Check: |
| 2290 | * Check the DTD for previous declarations of the ATTLIST |
| 2291 | */ |
| 2292 | if (xmlHashAddEntry(table, name, ret)) { |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 2293 | #ifdef LIBXML_VALID_ENABLED |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2294 | xmlErrValid(NULL, XML_DTD_NOTATION_REDEFINED, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 2295 | "xmlAddNotationDecl: %s already defined\n", |
| 2296 | (const char *) name); |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 2297 | #endif /* LIBXML_VALID_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2298 | xmlFreeNotation(ret); |
| 2299 | return(NULL); |
| 2300 | } |
| 2301 | return(ret); |
| 2302 | } |
| 2303 | |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2304 | static void |
| 2305 | xmlFreeNotationTableEntry(void *nota, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2306 | xmlFreeNotation((xmlNotationPtr) nota); |
| 2307 | } |
| 2308 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2309 | /** |
| 2310 | * xmlFreeNotationTable: |
| 2311 | * @table: An notation table |
| 2312 | * |
| 2313 | * Deallocate the memory used by an entities hash table. |
| 2314 | */ |
| 2315 | void |
| 2316 | xmlFreeNotationTable(xmlNotationTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2317 | xmlHashFree(table, xmlFreeNotationTableEntry); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2318 | } |
| 2319 | |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 2320 | #ifdef LIBXML_TREE_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2321 | /** |
| 2322 | * xmlCopyNotation: |
| 2323 | * @nota: A notation |
| 2324 | * |
| 2325 | * Build a copy of a notation. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2326 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2327 | * Returns the new xmlNotationPtr or NULL in case of error. |
| 2328 | */ |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2329 | static void * |
| 2330 | xmlCopyNotation(void *payload, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2331 | xmlNotationPtr nota = (xmlNotationPtr) payload; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2332 | xmlNotationPtr cur; |
| 2333 | |
| 2334 | cur = (xmlNotationPtr) xmlMalloc(sizeof(xmlNotation)); |
| 2335 | if (cur == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2336 | xmlVErrMemory(NULL, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2337 | return(NULL); |
| 2338 | } |
| 2339 | if (nota->name != NULL) |
| 2340 | cur->name = xmlStrdup(nota->name); |
| 2341 | else |
| 2342 | cur->name = NULL; |
| 2343 | if (nota->PublicID != NULL) |
| 2344 | cur->PublicID = xmlStrdup(nota->PublicID); |
| 2345 | else |
| 2346 | cur->PublicID = NULL; |
| 2347 | if (nota->SystemID != NULL) |
| 2348 | cur->SystemID = xmlStrdup(nota->SystemID); |
| 2349 | else |
| 2350 | cur->SystemID = NULL; |
| 2351 | return(cur); |
| 2352 | } |
| 2353 | |
| 2354 | /** |
| 2355 | * xmlCopyNotationTable: |
| 2356 | * @table: A notation table |
| 2357 | * |
| 2358 | * Build a copy of a notation table. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2359 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2360 | * Returns the new xmlNotationTablePtr or NULL in case of error. |
| 2361 | */ |
| 2362 | xmlNotationTablePtr |
| 2363 | xmlCopyNotationTable(xmlNotationTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2364 | return((xmlNotationTablePtr) xmlHashCopy(table, xmlCopyNotation)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2365 | } |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 2366 | #endif /* LIBXML_TREE_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2367 | |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 2368 | #ifdef LIBXML_OUTPUT_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2369 | /** |
| 2370 | * xmlDumpNotationDecl: |
| 2371 | * @buf: the XML buffer output |
| 2372 | * @nota: A notation declaration |
| 2373 | * |
| 2374 | * This will dump the content the notation declaration as an XML DTD definition |
| 2375 | */ |
| 2376 | void |
| 2377 | xmlDumpNotationDecl(xmlBufferPtr buf, xmlNotationPtr nota) { |
Daniel Veillard | ce682bc | 2004-11-05 17:22:25 +0000 | [diff] [blame] | 2378 | if ((buf == NULL) || (nota == NULL)) |
| 2379 | return; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2380 | xmlBufferWriteChar(buf, "<!NOTATION "); |
| 2381 | xmlBufferWriteCHAR(buf, nota->name); |
| 2382 | if (nota->PublicID != NULL) { |
| 2383 | xmlBufferWriteChar(buf, " PUBLIC "); |
| 2384 | xmlBufferWriteQuotedString(buf, nota->PublicID); |
| 2385 | if (nota->SystemID != NULL) { |
| 2386 | xmlBufferWriteChar(buf, " "); |
Daniel Veillard | 41c4a75 | 2004-09-08 20:55:38 +0000 | [diff] [blame] | 2387 | xmlBufferWriteQuotedString(buf, nota->SystemID); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2388 | } |
| 2389 | } else { |
| 2390 | xmlBufferWriteChar(buf, " SYSTEM "); |
Daniel Veillard | 41c4a75 | 2004-09-08 20:55:38 +0000 | [diff] [blame] | 2391 | xmlBufferWriteQuotedString(buf, nota->SystemID); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2392 | } |
| 2393 | xmlBufferWriteChar(buf, " >\n"); |
| 2394 | } |
| 2395 | |
| 2396 | /** |
William M. Brack | 9e66059 | 2003-10-20 14:56:06 +0000 | [diff] [blame] | 2397 | * xmlDumpNotationDeclScan: |
| 2398 | * @nota: A notation declaration |
| 2399 | * @buf: the XML buffer output |
| 2400 | * |
| 2401 | * This is called with the hash scan function, and just reverses args |
| 2402 | */ |
| 2403 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2404 | xmlDumpNotationDeclScan(void *nota, void *buf, |
| 2405 | const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2406 | xmlDumpNotationDecl((xmlBufferPtr) buf, (xmlNotationPtr) nota); |
William M. Brack | 9e66059 | 2003-10-20 14:56:06 +0000 | [diff] [blame] | 2407 | } |
| 2408 | |
| 2409 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2410 | * xmlDumpNotationTable: |
| 2411 | * @buf: the XML buffer output |
| 2412 | * @table: A notation table |
| 2413 | * |
| 2414 | * This will dump the content of the notation table as an XML DTD definition |
| 2415 | */ |
| 2416 | void |
| 2417 | xmlDumpNotationTable(xmlBufferPtr buf, xmlNotationTablePtr table) { |
Daniel Veillard | ce682bc | 2004-11-05 17:22:25 +0000 | [diff] [blame] | 2418 | if ((buf == NULL) || (table == NULL)) |
| 2419 | return; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2420 | xmlHashScan(table, xmlDumpNotationDeclScan, buf); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2421 | } |
Daniel Veillard | a9cce9c | 2003-09-29 13:20:24 +0000 | [diff] [blame] | 2422 | #endif /* LIBXML_OUTPUT_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2423 | |
| 2424 | /************************************************************************ |
| 2425 | * * |
| 2426 | * IDs * |
| 2427 | * * |
| 2428 | ************************************************************************/ |
| 2429 | /** |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2430 | * DICT_FREE: |
| 2431 | * @str: a string |
| 2432 | * |
Jan Pokorný | bb654fe | 2016-04-13 16:56:07 +0200 | [diff] [blame] | 2433 | * Free a string if it is not owned by the "dict" dictionary in the |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2434 | * current scope |
| 2435 | */ |
| 2436 | #define DICT_FREE(str) \ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2437 | if ((str) && ((!dict) || \ |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2438 | (xmlDictOwns(dict, (const xmlChar *)(str)) == 0))) \ |
| 2439 | xmlFree((char *)(str)); |
| 2440 | |
Nick Wellnhofer | d05317c | 2022-02-22 11:51:08 +0100 | [diff] [blame] | 2441 | /** |
| 2442 | * xmlValidNormalizeString: |
| 2443 | * @str: a string |
| 2444 | * |
| 2445 | * Normalize a string in-place. |
| 2446 | */ |
| 2447 | static void |
| 2448 | xmlValidNormalizeString(xmlChar *str) { |
| 2449 | xmlChar *dst; |
| 2450 | const xmlChar *src; |
| 2451 | |
| 2452 | if (str == NULL) |
| 2453 | return; |
| 2454 | src = str; |
| 2455 | dst = str; |
| 2456 | |
| 2457 | while (*src == 0x20) src++; |
| 2458 | while (*src != 0) { |
| 2459 | if (*src == 0x20) { |
| 2460 | while (*src == 0x20) src++; |
| 2461 | if (*src != 0) |
| 2462 | *dst++ = 0x20; |
| 2463 | } else { |
| 2464 | *dst++ = *src++; |
| 2465 | } |
| 2466 | } |
| 2467 | *dst = 0; |
| 2468 | } |
| 2469 | |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 2470 | static int |
| 2471 | xmlIsStreaming(xmlValidCtxtPtr ctxt) { |
| 2472 | xmlParserCtxtPtr pctxt; |
| 2473 | |
| 2474 | if (ctxt == NULL) |
| 2475 | return(0); |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 2476 | if ((ctxt->flags & XML_VCTXT_USE_PCTXT) == 0) |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 2477 | return(0); |
| 2478 | pctxt = ctxt->userData; |
| 2479 | return(pctxt->parseMode == XML_PARSE_READER); |
| 2480 | } |
| 2481 | |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2482 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2483 | * xmlFreeID: |
| 2484 | * @not: A id |
| 2485 | * |
| 2486 | * Deallocate the memory used by an id definition |
| 2487 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 2488 | static void |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2489 | xmlFreeID(xmlIDPtr id) { |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2490 | xmlDictPtr dict = NULL; |
| 2491 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2492 | if (id == NULL) return; |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2493 | |
| 2494 | if (id->doc != NULL) |
| 2495 | dict = id->doc->dict; |
| 2496 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2497 | if (id->value != NULL) |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2498 | DICT_FREE(id->value) |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2499 | if (id->name != NULL) |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2500 | DICT_FREE(id->name) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2501 | xmlFree(id); |
| 2502 | } |
| 2503 | |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2504 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2505 | /** |
| 2506 | * xmlAddID: |
| 2507 | * @ctxt: the validation context |
| 2508 | * @doc: pointer to the document |
| 2509 | * @value: the value name |
| 2510 | * @attr: the attribute holding the ID |
| 2511 | * |
| 2512 | * Register a new id declaration |
| 2513 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2514 | * Returns NULL if not, otherwise the new xmlIDPtr |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2515 | */ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2516 | xmlIDPtr |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2517 | xmlAddID(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value, |
| 2518 | xmlAttrPtr attr) { |
| 2519 | xmlIDPtr ret; |
| 2520 | xmlIDTablePtr table; |
| 2521 | |
| 2522 | if (doc == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2523 | return(NULL); |
| 2524 | } |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 2525 | if ((value == NULL) || (value[0] == 0)) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2526 | return(NULL); |
| 2527 | } |
| 2528 | if (attr == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2529 | return(NULL); |
| 2530 | } |
| 2531 | |
| 2532 | /* |
| 2533 | * Create the ID table if needed. |
| 2534 | */ |
| 2535 | table = (xmlIDTablePtr) doc->ids; |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 2536 | if (table == NULL) { |
| 2537 | doc->ids = table = xmlHashCreateDict(0, doc->dict); |
| 2538 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2539 | if (table == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2540 | xmlVErrMemory(ctxt, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2541 | "xmlAddID: Table creation failed!\n"); |
| 2542 | return(NULL); |
| 2543 | } |
| 2544 | |
| 2545 | ret = (xmlIDPtr) xmlMalloc(sizeof(xmlID)); |
| 2546 | if (ret == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2547 | xmlVErrMemory(ctxt, "malloc failed"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2548 | return(NULL); |
| 2549 | } |
| 2550 | |
| 2551 | /* |
| 2552 | * fill the structure. |
| 2553 | */ |
| 2554 | ret->value = xmlStrdup(value); |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2555 | ret->doc = doc; |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 2556 | if (xmlIsStreaming(ctxt)) { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2557 | /* |
Jared Yanovich | 2a350ee | 2019-09-30 17:04:54 +0200 | [diff] [blame] | 2558 | * Operating in streaming mode, attr is gonna disappear |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2559 | */ |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2560 | if (doc->dict != NULL) |
| 2561 | ret->name = xmlDictLookup(doc->dict, attr->name, -1); |
| 2562 | else |
| 2563 | ret->name = xmlStrdup(attr->name); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2564 | ret->attr = NULL; |
| 2565 | } else { |
| 2566 | ret->attr = attr; |
| 2567 | ret->name = NULL; |
| 2568 | } |
| 2569 | ret->lineno = xmlGetLineNo(attr->parent); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2570 | |
| 2571 | if (xmlHashAddEntry(table, value, ret) < 0) { |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 2572 | #ifdef LIBXML_VALID_ENABLED |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2573 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2574 | * The id is already defined in this DTD. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2575 | */ |
Daniel Veillard | ef709ce | 2015-09-10 19:41:41 +0800 | [diff] [blame] | 2576 | if (ctxt != NULL) { |
| 2577 | xmlErrValidNode(ctxt, attr->parent, XML_DTD_ID_REDEFINED, |
| 2578 | "ID %s already defined\n", value, NULL, NULL); |
| 2579 | } |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 2580 | #endif /* LIBXML_VALID_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2581 | xmlFreeID(ret); |
| 2582 | return(NULL); |
| 2583 | } |
Daniel Veillard | 249d7bb | 2003-03-19 21:02:29 +0000 | [diff] [blame] | 2584 | if (attr != NULL) |
| 2585 | attr->atype = XML_ATTRIBUTE_ID; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2586 | return(ret); |
| 2587 | } |
| 2588 | |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2589 | static void |
| 2590 | xmlFreeIDTableEntry(void *id, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2591 | xmlFreeID((xmlIDPtr) id); |
| 2592 | } |
| 2593 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2594 | /** |
| 2595 | * xmlFreeIDTable: |
| 2596 | * @table: An id table |
| 2597 | * |
| 2598 | * Deallocate the memory used by an ID hash table. |
| 2599 | */ |
| 2600 | void |
| 2601 | xmlFreeIDTable(xmlIDTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2602 | xmlHashFree(table, xmlFreeIDTableEntry); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2603 | } |
| 2604 | |
| 2605 | /** |
| 2606 | * xmlIsID: |
| 2607 | * @doc: the document |
| 2608 | * @elem: the element carrying the attribute |
| 2609 | * @attr: the attribute |
| 2610 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2611 | * Determine whether an attribute is of type ID. In case we have DTD(s) |
Daniel Veillard | 9dc1cf1 | 2002-10-08 08:26:11 +0000 | [diff] [blame] | 2612 | * then this is done if DTD loading has been requested. In the case |
| 2613 | * of HTML documents parsed with the HTML parser, then ID detection is |
| 2614 | * done systematically. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2615 | * |
| 2616 | * Returns 0 or 1 depending on the lookup result |
| 2617 | */ |
| 2618 | int |
| 2619 | xmlIsID(xmlDocPtr doc, xmlNodePtr elem, xmlAttrPtr attr) { |
Daniel Veillard | 54f9a4f | 2005-09-03 13:28:24 +0000 | [diff] [blame] | 2620 | if ((attr == NULL) || (attr->name == NULL)) return(0); |
| 2621 | if ((attr->ns != NULL) && (attr->ns->prefix != NULL) && |
| 2622 | (!strcmp((char *) attr->name, "id")) && |
| 2623 | (!strcmp((char *) attr->ns->prefix, "xml"))) |
| 2624 | return(1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2625 | if (doc == NULL) return(0); |
Daniel Veillard | f3c0669 | 2009-10-16 16:47:58 +0200 | [diff] [blame] | 2626 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL) && |
| 2627 | (doc->type != XML_HTML_DOCUMENT_NODE)) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2628 | return(0); |
| 2629 | } else if (doc->type == XML_HTML_DOCUMENT_NODE) { |
Rob Richards | 04bffc0 | 2006-03-03 16:44:37 +0000 | [diff] [blame] | 2630 | if ((xmlStrEqual(BAD_CAST "id", attr->name)) || |
| 2631 | ((xmlStrEqual(BAD_CAST "name", attr->name)) && |
Daniel Veillard | 38431c3 | 2007-06-12 16:20:09 +0000 | [diff] [blame] | 2632 | ((elem == NULL) || (xmlStrEqual(elem->name, BAD_CAST "a"))))) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2633 | return(1); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2634 | return(0); |
Daniel Veillard | 379a3b7 | 2005-08-12 10:18:14 +0000 | [diff] [blame] | 2635 | } else if (elem == NULL) { |
| 2636 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2637 | } else { |
Daniel Veillard | 465a000 | 2005-08-22 12:07:04 +0000 | [diff] [blame] | 2638 | xmlAttributePtr attrDecl = NULL; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2639 | |
Daniel Veillard | 379a3b7 | 2005-08-12 10:18:14 +0000 | [diff] [blame] | 2640 | xmlChar felem[50], fattr[50]; |
| 2641 | xmlChar *fullelemname, *fullattrname; |
| 2642 | |
| 2643 | fullelemname = (elem->ns != NULL && elem->ns->prefix != NULL) ? |
| 2644 | xmlBuildQName(elem->name, elem->ns->prefix, felem, 50) : |
| 2645 | (xmlChar *)elem->name; |
| 2646 | |
| 2647 | fullattrname = (attr->ns != NULL && attr->ns->prefix != NULL) ? |
| 2648 | xmlBuildQName(attr->name, attr->ns->prefix, fattr, 50) : |
| 2649 | (xmlChar *)attr->name; |
| 2650 | |
| 2651 | if (fullelemname != NULL && fullattrname != NULL) { |
| 2652 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, fullelemname, |
| 2653 | fullattrname); |
Daniel Veillard | 37f961d | 2002-07-06 17:53:56 +0000 | [diff] [blame] | 2654 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
Daniel Veillard | 379a3b7 | 2005-08-12 10:18:14 +0000 | [diff] [blame] | 2655 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, fullelemname, |
| 2656 | fullattrname); |
Daniel Veillard | 37f961d | 2002-07-06 17:53:56 +0000 | [diff] [blame] | 2657 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2658 | |
Daniel Veillard | 379a3b7 | 2005-08-12 10:18:14 +0000 | [diff] [blame] | 2659 | if ((fullattrname != fattr) && (fullattrname != attr->name)) |
| 2660 | xmlFree(fullattrname); |
| 2661 | if ((fullelemname != felem) && (fullelemname != elem->name)) |
| 2662 | xmlFree(fullelemname); |
| 2663 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2664 | if ((attrDecl != NULL) && (attrDecl->atype == XML_ATTRIBUTE_ID)) |
| 2665 | return(1); |
| 2666 | } |
| 2667 | return(0); |
| 2668 | } |
| 2669 | |
| 2670 | /** |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 2671 | * xmlRemoveID: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2672 | * @doc: the document |
| 2673 | * @attr: the attribute |
| 2674 | * |
| 2675 | * Remove the given attribute from the ID table maintained internally. |
| 2676 | * |
| 2677 | * Returns -1 if the lookup failed and 0 otherwise |
| 2678 | */ |
| 2679 | int |
| 2680 | xmlRemoveID(xmlDocPtr doc, xmlAttrPtr attr) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2681 | xmlIDTablePtr table; |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2682 | xmlIDPtr id; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2683 | xmlChar *ID; |
| 2684 | |
| 2685 | if (doc == NULL) return(-1); |
| 2686 | if (attr == NULL) return(-1); |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 2687 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2688 | table = (xmlIDTablePtr) doc->ids; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2689 | if (table == NULL) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2690 | return(-1); |
| 2691 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2692 | ID = xmlNodeListGetString(doc, attr->children, 1); |
| 2693 | if (ID == NULL) |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 2694 | return(-1); |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 2695 | xmlValidNormalizeString(ID); |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 2696 | |
Daniel Veillard | 8d7b5c7 | 2003-11-15 18:24:36 +0000 | [diff] [blame] | 2697 | id = xmlHashLookup(table, ID); |
| 2698 | if (id == NULL || id->attr != attr) { |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 2699 | xmlFree(ID); |
| 2700 | return(-1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2701 | } |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 2702 | |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2703 | xmlHashRemoveEntry(table, ID, xmlFreeIDTableEntry); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2704 | xmlFree(ID); |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 2705 | attr->atype = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2706 | return(0); |
| 2707 | } |
| 2708 | |
| 2709 | /** |
| 2710 | * xmlGetID: |
| 2711 | * @doc: pointer to the document |
| 2712 | * @ID: the ID value |
| 2713 | * |
| 2714 | * Search the attribute declaring the given ID |
| 2715 | * |
| 2716 | * Returns NULL if not found, otherwise the xmlAttrPtr defining the ID |
| 2717 | */ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2718 | xmlAttrPtr |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2719 | xmlGetID(xmlDocPtr doc, const xmlChar *ID) { |
| 2720 | xmlIDTablePtr table; |
| 2721 | xmlIDPtr id; |
| 2722 | |
| 2723 | if (doc == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2724 | return(NULL); |
| 2725 | } |
| 2726 | |
| 2727 | if (ID == NULL) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2728 | return(NULL); |
| 2729 | } |
| 2730 | |
| 2731 | table = (xmlIDTablePtr) doc->ids; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2732 | if (table == NULL) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2733 | return(NULL); |
| 2734 | |
| 2735 | id = xmlHashLookup(table, ID); |
| 2736 | if (id == NULL) |
| 2737 | return(NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2738 | if (id->attr == NULL) { |
| 2739 | /* |
| 2740 | * We are operating on a stream, return a well known reference |
| 2741 | * since the attribute node doesn't exist anymore |
| 2742 | */ |
| 2743 | return((xmlAttrPtr) doc); |
| 2744 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2745 | return(id->attr); |
| 2746 | } |
| 2747 | |
| 2748 | /************************************************************************ |
| 2749 | * * |
| 2750 | * Refs * |
| 2751 | * * |
| 2752 | ************************************************************************/ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2753 | typedef struct xmlRemoveMemo_t |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2754 | { |
| 2755 | xmlListPtr l; |
| 2756 | xmlAttrPtr ap; |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 2757 | } xmlRemoveMemo; |
| 2758 | |
| 2759 | typedef xmlRemoveMemo *xmlRemoveMemoPtr; |
| 2760 | |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2761 | typedef struct xmlValidateMemo_t |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 2762 | { |
| 2763 | xmlValidCtxtPtr ctxt; |
| 2764 | const xmlChar *name; |
| 2765 | } xmlValidateMemo; |
| 2766 | |
| 2767 | typedef xmlValidateMemo *xmlValidateMemoPtr; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2768 | |
| 2769 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2770 | * xmlFreeRef: |
| 2771 | * @lk: A list link |
| 2772 | * |
| 2773 | * Deallocate the memory used by a ref definition |
| 2774 | */ |
| 2775 | static void |
| 2776 | xmlFreeRef(xmlLinkPtr lk) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2777 | xmlRefPtr ref = (xmlRefPtr)xmlLinkGetData(lk); |
| 2778 | if (ref == NULL) return; |
| 2779 | if (ref->value != NULL) |
| 2780 | xmlFree((xmlChar *)ref->value); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2781 | if (ref->name != NULL) |
| 2782 | xmlFree((xmlChar *)ref->name); |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2783 | xmlFree(ref); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2784 | } |
| 2785 | |
| 2786 | /** |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2787 | * xmlFreeRefTableEntry: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2788 | * @list_ref: A list of references. |
| 2789 | * |
| 2790 | * Deallocate the memory used by a list of references |
| 2791 | */ |
| 2792 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2793 | xmlFreeRefTableEntry(void *payload, const xmlChar *name ATTRIBUTE_UNUSED) { |
| 2794 | xmlListPtr list_ref = (xmlListPtr) payload; |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2795 | if (list_ref == NULL) return; |
| 2796 | xmlListDelete(list_ref); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2797 | } |
| 2798 | |
| 2799 | /** |
| 2800 | * xmlWalkRemoveRef: |
| 2801 | * @data: Contents of current link |
| 2802 | * @user: Value supplied by the user |
| 2803 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2804 | * Returns 0 to abort the walk or 1 to continue |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2805 | */ |
| 2806 | static int |
Nick Wellnhofer | 4dd6d7a | 2017-11-09 17:28:00 +0100 | [diff] [blame] | 2807 | xmlWalkRemoveRef(const void *data, void *user) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2808 | { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2809 | xmlAttrPtr attr0 = ((xmlRefPtr)data)->attr; |
| 2810 | xmlAttrPtr attr1 = ((xmlRemoveMemoPtr)user)->ap; |
| 2811 | xmlListPtr ref_list = ((xmlRemoveMemoPtr)user)->l; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2812 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2813 | if (attr0 == attr1) { /* Matched: remove and terminate walk */ |
| 2814 | xmlListRemoveFirst(ref_list, (void *)data); |
| 2815 | return 0; |
| 2816 | } |
| 2817 | return 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2818 | } |
| 2819 | |
| 2820 | /** |
Daniel Veillard | 770075b | 2004-02-25 10:44:30 +0000 | [diff] [blame] | 2821 | * xmlDummyCompare |
| 2822 | * @data0: Value supplied by the user |
| 2823 | * @data1: Value supplied by the user |
| 2824 | * |
| 2825 | * Do nothing, return 0. Used to create unordered lists. |
| 2826 | */ |
| 2827 | static int |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 2828 | xmlDummyCompare(const void *data0 ATTRIBUTE_UNUSED, |
| 2829 | const void *data1 ATTRIBUTE_UNUSED) |
Daniel Veillard | 770075b | 2004-02-25 10:44:30 +0000 | [diff] [blame] | 2830 | { |
| 2831 | return (0); |
| 2832 | } |
| 2833 | |
| 2834 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2835 | * xmlAddRef: |
| 2836 | * @ctxt: the validation context |
| 2837 | * @doc: pointer to the document |
| 2838 | * @value: the value name |
| 2839 | * @attr: the attribute holding the Ref |
| 2840 | * |
Nick Wellnhofer | 004fe9d | 2022-02-20 19:02:31 +0100 | [diff] [blame] | 2841 | * DEPRECATED, do not use. This function will be removed from the public API. |
| 2842 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2843 | * Register a new ref declaration |
| 2844 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2845 | * Returns NULL if not, otherwise the new xmlRefPtr |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2846 | */ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2847 | xmlRefPtr |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 2848 | xmlAddRef(xmlValidCtxtPtr ctxt, xmlDocPtr doc, const xmlChar *value, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2849 | xmlAttrPtr attr) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2850 | xmlRefPtr ret; |
| 2851 | xmlRefTablePtr table; |
| 2852 | xmlListPtr ref_list; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2853 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2854 | if (doc == NULL) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2855 | return(NULL); |
| 2856 | } |
| 2857 | if (value == NULL) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2858 | return(NULL); |
| 2859 | } |
| 2860 | if (attr == NULL) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2861 | return(NULL); |
| 2862 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2863 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2864 | /* |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2865 | * Create the Ref table if needed. |
| 2866 | */ |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2867 | table = (xmlRefTablePtr) doc->refs; |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 2868 | if (table == NULL) { |
| 2869 | doc->refs = table = xmlHashCreateDict(0, doc->dict); |
| 2870 | } |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2871 | if (table == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2872 | xmlVErrMemory(ctxt, |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2873 | "xmlAddRef: Table creation failed!\n"); |
| 2874 | return(NULL); |
| 2875 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2876 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2877 | ret = (xmlRefPtr) xmlMalloc(sizeof(xmlRef)); |
| 2878 | if (ret == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 2879 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2880 | return(NULL); |
| 2881 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2882 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2883 | /* |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2884 | * fill the structure. |
| 2885 | */ |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2886 | ret->value = xmlStrdup(value); |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 2887 | if (xmlIsStreaming(ctxt)) { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2888 | /* |
Jared Yanovich | 2a350ee | 2019-09-30 17:04:54 +0200 | [diff] [blame] | 2889 | * Operating in streaming mode, attr is gonna disappear |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 2890 | */ |
| 2891 | ret->name = xmlStrdup(attr->name); |
| 2892 | ret->attr = NULL; |
| 2893 | } else { |
| 2894 | ret->name = NULL; |
| 2895 | ret->attr = attr; |
| 2896 | } |
| 2897 | ret->lineno = xmlGetLineNo(attr->parent); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2898 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2899 | /* To add a reference :- |
| 2900 | * References are maintained as a list of references, |
| 2901 | * Lookup the entry, if no entry create new nodelist |
| 2902 | * Add the owning node to the NodeList |
| 2903 | * Return the ref |
| 2904 | */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2905 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2906 | if (NULL == (ref_list = xmlHashLookup(table, value))) { |
Daniel Veillard | 770075b | 2004-02-25 10:44:30 +0000 | [diff] [blame] | 2907 | if (NULL == (ref_list = xmlListCreate(xmlFreeRef, xmlDummyCompare))) { |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 2908 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
| 2909 | "xmlAddRef: Reference list creation failed!\n", |
| 2910 | NULL); |
Daniel Veillard | f6cf57a | 2007-05-09 23:53:30 +0000 | [diff] [blame] | 2911 | goto failed; |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2912 | } |
| 2913 | if (xmlHashAddEntry(table, value, ref_list) < 0) { |
| 2914 | xmlListDelete(ref_list); |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 2915 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
| 2916 | "xmlAddRef: Reference list insertion failed!\n", |
| 2917 | NULL); |
Daniel Veillard | f6cf57a | 2007-05-09 23:53:30 +0000 | [diff] [blame] | 2918 | goto failed; |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2919 | } |
| 2920 | } |
Daniel Veillard | f6cf57a | 2007-05-09 23:53:30 +0000 | [diff] [blame] | 2921 | if (xmlListAppend(ref_list, ret) != 0) { |
| 2922 | xmlErrValid(NULL, XML_ERR_INTERNAL_ERROR, |
| 2923 | "xmlAddRef: Reference list insertion failed!\n", |
| 2924 | NULL); |
| 2925 | goto failed; |
| 2926 | } |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2927 | return(ret); |
Daniel Veillard | f6cf57a | 2007-05-09 23:53:30 +0000 | [diff] [blame] | 2928 | failed: |
| 2929 | if (ret != NULL) { |
| 2930 | if (ret->value != NULL) |
| 2931 | xmlFree((char *)ret->value); |
| 2932 | if (ret->name != NULL) |
| 2933 | xmlFree((char *)ret->name); |
| 2934 | xmlFree(ret); |
| 2935 | } |
| 2936 | return(NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2937 | } |
| 2938 | |
| 2939 | /** |
| 2940 | * xmlFreeRefTable: |
| 2941 | * @table: An ref table |
| 2942 | * |
Nick Wellnhofer | 004fe9d | 2022-02-20 19:02:31 +0100 | [diff] [blame] | 2943 | * DEPRECATED, do not use. This function will be removed from the public API. |
| 2944 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2945 | * Deallocate the memory used by an Ref hash table. |
| 2946 | */ |
| 2947 | void |
| 2948 | xmlFreeRefTable(xmlRefTablePtr table) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 2949 | xmlHashFree(table, xmlFreeRefTableEntry); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2950 | } |
| 2951 | |
| 2952 | /** |
| 2953 | * xmlIsRef: |
| 2954 | * @doc: the document |
| 2955 | * @elem: the element carrying the attribute |
| 2956 | * @attr: the attribute |
| 2957 | * |
Nick Wellnhofer | 004fe9d | 2022-02-20 19:02:31 +0100 | [diff] [blame] | 2958 | * DEPRECATED, do not use. This function will be removed from the public API. |
| 2959 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 2960 | * Determine whether an attribute is of type Ref. In case we have DTD(s) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2961 | * then this is simple, otherwise we use an heuristic: name Ref (upper |
| 2962 | * or lowercase). |
| 2963 | * |
| 2964 | * Returns 0 or 1 depending on the lookup result |
| 2965 | */ |
| 2966 | int |
| 2967 | xmlIsRef(xmlDocPtr doc, xmlNodePtr elem, xmlAttrPtr attr) { |
Daniel Veillard | ce244ad | 2004-11-05 10:03:46 +0000 | [diff] [blame] | 2968 | if (attr == NULL) |
| 2969 | return(0); |
| 2970 | if (doc == NULL) { |
| 2971 | doc = attr->doc; |
| 2972 | if (doc == NULL) return(0); |
| 2973 | } |
| 2974 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2975 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) { |
| 2976 | return(0); |
| 2977 | } else if (doc->type == XML_HTML_DOCUMENT_NODE) { |
| 2978 | /* TODO @@@ */ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 2979 | return(0); |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2980 | } else { |
| 2981 | xmlAttributePtr attrDecl; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2982 | |
Daniel Veillard | ce244ad | 2004-11-05 10:03:46 +0000 | [diff] [blame] | 2983 | if (elem == NULL) return(0); |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2984 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, attr->name); |
| 2985 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 2986 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, |
| 2987 | elem->name, attr->name); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2988 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 2989 | if ((attrDecl != NULL) && |
| 2990 | (attrDecl->atype == XML_ATTRIBUTE_IDREF || |
| 2991 | attrDecl->atype == XML_ATTRIBUTE_IDREFS)) |
| 2992 | return(1); |
| 2993 | } |
| 2994 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2995 | } |
| 2996 | |
| 2997 | /** |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 2998 | * xmlRemoveRef: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 2999 | * @doc: the document |
| 3000 | * @attr: the attribute |
| 3001 | * |
Nick Wellnhofer | 004fe9d | 2022-02-20 19:02:31 +0100 | [diff] [blame] | 3002 | * DEPRECATED, do not use. This function will be removed from the public API. |
| 3003 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3004 | * Remove the given attribute from the Ref table maintained internally. |
| 3005 | * |
| 3006 | * Returns -1 if the lookup failed and 0 otherwise |
| 3007 | */ |
| 3008 | int |
| 3009 | xmlRemoveRef(xmlDocPtr doc, xmlAttrPtr attr) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3010 | xmlListPtr ref_list; |
| 3011 | xmlRefTablePtr table; |
| 3012 | xmlChar *ID; |
| 3013 | xmlRemoveMemo target; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3014 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3015 | if (doc == NULL) return(-1); |
| 3016 | if (attr == NULL) return(-1); |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 3017 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3018 | table = (xmlRefTablePtr) doc->refs; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3019 | if (table == NULL) |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3020 | return(-1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3021 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3022 | ID = xmlNodeListGetString(doc, attr->children, 1); |
| 3023 | if (ID == NULL) |
| 3024 | return(-1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3025 | |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 3026 | ref_list = xmlHashLookup(table, ID); |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3027 | if(ref_list == NULL) { |
| 3028 | xmlFree(ID); |
| 3029 | return (-1); |
| 3030 | } |
Denis Pauk | 0146179 | 2013-08-06 09:55:55 +0300 | [diff] [blame] | 3031 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3032 | /* At this point, ref_list refers to a list of references which |
| 3033 | * have the same key as the supplied attr. Our list of references |
| 3034 | * is ordered by reference address and we don't have that information |
| 3035 | * here to use when removing. We'll have to walk the list and |
| 3036 | * check for a matching attribute, when we find one stop the walk |
| 3037 | * and remove the entry. |
| 3038 | * The list is ordered by reference, so that means we don't have the |
| 3039 | * key. Passing the list and the reference to the walker means we |
| 3040 | * will have enough data to be able to remove the entry. |
| 3041 | */ |
| 3042 | target.l = ref_list; |
| 3043 | target.ap = attr; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3044 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3045 | /* Remove the supplied attr from our list */ |
| 3046 | xmlListWalk(ref_list, xmlWalkRemoveRef, &target); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3047 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3048 | /*If the list is empty then remove the list entry in the hash */ |
| 3049 | if (xmlListEmpty(ref_list)) |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 3050 | xmlHashUpdateEntry(table, ID, NULL, xmlFreeRefTableEntry); |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3051 | xmlFree(ID); |
| 3052 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3053 | } |
| 3054 | |
| 3055 | /** |
| 3056 | * xmlGetRefs: |
| 3057 | * @doc: pointer to the document |
| 3058 | * @ID: the ID value |
| 3059 | * |
Nick Wellnhofer | 004fe9d | 2022-02-20 19:02:31 +0100 | [diff] [blame] | 3060 | * DEPRECATED, do not use. This function will be removed from the public API. |
| 3061 | * |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3062 | * Find the set of references for the supplied ID. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3063 | * |
| 3064 | * Returns NULL if not found, otherwise node set for the ID. |
| 3065 | */ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3066 | xmlListPtr |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3067 | xmlGetRefs(xmlDocPtr doc, const xmlChar *ID) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3068 | xmlRefTablePtr table; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3069 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3070 | if (doc == NULL) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3071 | return(NULL); |
| 3072 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3073 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3074 | if (ID == NULL) { |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3075 | return(NULL); |
| 3076 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3077 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3078 | table = (xmlRefTablePtr) doc->refs; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3079 | if (table == NULL) |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3080 | return(NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3081 | |
Daniel Veillard | 3772192 | 2001-05-04 15:21:12 +0000 | [diff] [blame] | 3082 | return (xmlHashLookup(table, ID)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3083 | } |
| 3084 | |
| 3085 | /************************************************************************ |
| 3086 | * * |
| 3087 | * Routines for validity checking * |
| 3088 | * * |
| 3089 | ************************************************************************/ |
| 3090 | |
| 3091 | /** |
| 3092 | * xmlGetDtdElementDesc: |
| 3093 | * @dtd: a pointer to the DtD to search |
| 3094 | * @name: the element name |
| 3095 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3096 | * Search the DTD for the description of this element |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3097 | * |
| 3098 | * returns the xmlElementPtr if found or NULL |
| 3099 | */ |
| 3100 | |
| 3101 | xmlElementPtr |
| 3102 | xmlGetDtdElementDesc(xmlDtdPtr dtd, const xmlChar *name) { |
| 3103 | xmlElementTablePtr table; |
| 3104 | xmlElementPtr cur; |
| 3105 | xmlChar *uqname = NULL, *prefix = NULL; |
| 3106 | |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 3107 | if ((dtd == NULL) || (name == NULL)) return(NULL); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3108 | if (dtd->elements == NULL) |
| 3109 | return(NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3110 | table = (xmlElementTablePtr) dtd->elements; |
| 3111 | |
| 3112 | uqname = xmlSplitQName2(name, &prefix); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3113 | if (uqname != NULL) |
| 3114 | name = uqname; |
| 3115 | cur = xmlHashLookup2(table, name, prefix); |
| 3116 | if (prefix != NULL) xmlFree(prefix); |
| 3117 | if (uqname != NULL) xmlFree(uqname); |
| 3118 | return(cur); |
| 3119 | } |
| 3120 | /** |
| 3121 | * xmlGetDtdElementDesc2: |
| 3122 | * @dtd: a pointer to the DtD to search |
| 3123 | * @name: the element name |
| 3124 | * @create: create an empty description if not found |
| 3125 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3126 | * Search the DTD for the description of this element |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3127 | * |
| 3128 | * returns the xmlElementPtr if found or NULL |
| 3129 | */ |
| 3130 | |
Daniel Veillard | 86fd5a7 | 2001-12-13 14:55:21 +0000 | [diff] [blame] | 3131 | static xmlElementPtr |
Nick Wellnhofer | 9fa1b22 | 2023-02-14 16:43:35 +0100 | [diff] [blame] | 3132 | xmlGetDtdElementDesc2(xmlValidCtxtPtr ctxt, xmlDtdPtr dtd, const xmlChar *name, |
| 3133 | int create) { |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3134 | xmlElementTablePtr table; |
| 3135 | xmlElementPtr cur; |
| 3136 | xmlChar *uqname = NULL, *prefix = NULL; |
| 3137 | |
| 3138 | if (dtd == NULL) return(NULL); |
| 3139 | if (dtd->elements == NULL) { |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 3140 | xmlDictPtr dict = NULL; |
| 3141 | |
| 3142 | if (dtd->doc != NULL) |
| 3143 | dict = dtd->doc->dict; |
| 3144 | |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3145 | if (!create) |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3146 | return(NULL); |
| 3147 | /* |
| 3148 | * Create the Element table if needed. |
| 3149 | */ |
| 3150 | table = (xmlElementTablePtr) dtd->elements; |
| 3151 | if (table == NULL) { |
Daniel Veillard | 316a5c3 | 2005-01-23 22:56:39 +0000 | [diff] [blame] | 3152 | table = xmlHashCreateDict(0, dict); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3153 | dtd->elements = (void *) table; |
| 3154 | } |
| 3155 | if (table == NULL) { |
Nick Wellnhofer | 9fa1b22 | 2023-02-14 16:43:35 +0100 | [diff] [blame] | 3156 | xmlVErrMemory(ctxt, "element table allocation failed"); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3157 | return(NULL); |
| 3158 | } |
| 3159 | } |
| 3160 | table = (xmlElementTablePtr) dtd->elements; |
| 3161 | |
| 3162 | uqname = xmlSplitQName2(name, &prefix); |
| 3163 | if (uqname != NULL) |
| 3164 | name = uqname; |
| 3165 | cur = xmlHashLookup2(table, name, prefix); |
| 3166 | if ((cur == NULL) && (create)) { |
| 3167 | cur = (xmlElementPtr) xmlMalloc(sizeof(xmlElement)); |
| 3168 | if (cur == NULL) { |
Nick Wellnhofer | 9fa1b22 | 2023-02-14 16:43:35 +0100 | [diff] [blame] | 3169 | xmlVErrMemory(ctxt, "malloc failed"); |
| 3170 | goto error; |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3171 | } |
| 3172 | memset(cur, 0, sizeof(xmlElement)); |
| 3173 | cur->type = XML_ELEMENT_DECL; |
| 3174 | |
| 3175 | /* |
| 3176 | * fill the structure. |
| 3177 | */ |
| 3178 | cur->name = xmlStrdup(name); |
| 3179 | cur->prefix = xmlStrdup(prefix); |
| 3180 | cur->etype = XML_ELEMENT_TYPE_UNDEFINED; |
| 3181 | |
Nick Wellnhofer | 9fa1b22 | 2023-02-14 16:43:35 +0100 | [diff] [blame] | 3182 | if (xmlHashAddEntry2(table, name, prefix, cur) < 0) { |
| 3183 | xmlVErrMemory(ctxt, "adding entry failed"); |
| 3184 | xmlFreeElement(cur); |
| 3185 | cur = NULL; |
| 3186 | } |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3187 | } |
Nick Wellnhofer | 9fa1b22 | 2023-02-14 16:43:35 +0100 | [diff] [blame] | 3188 | error: |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3189 | if (prefix != NULL) xmlFree(prefix); |
| 3190 | if (uqname != NULL) xmlFree(uqname); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3191 | return(cur); |
| 3192 | } |
| 3193 | |
| 3194 | /** |
| 3195 | * xmlGetDtdQElementDesc: |
| 3196 | * @dtd: a pointer to the DtD to search |
| 3197 | * @name: the element name |
| 3198 | * @prefix: the element namespace prefix |
| 3199 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3200 | * Search the DTD for the description of this element |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3201 | * |
| 3202 | * returns the xmlElementPtr if found or NULL |
| 3203 | */ |
| 3204 | |
Daniel Veillard | 48da910 | 2001-08-07 01:10:10 +0000 | [diff] [blame] | 3205 | xmlElementPtr |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3206 | xmlGetDtdQElementDesc(xmlDtdPtr dtd, const xmlChar *name, |
| 3207 | const xmlChar *prefix) { |
| 3208 | xmlElementTablePtr table; |
| 3209 | |
| 3210 | if (dtd == NULL) return(NULL); |
| 3211 | if (dtd->elements == NULL) return(NULL); |
| 3212 | table = (xmlElementTablePtr) dtd->elements; |
| 3213 | |
| 3214 | return(xmlHashLookup2(table, name, prefix)); |
| 3215 | } |
| 3216 | |
| 3217 | /** |
| 3218 | * xmlGetDtdAttrDesc: |
| 3219 | * @dtd: a pointer to the DtD to search |
| 3220 | * @elem: the element name |
| 3221 | * @name: the attribute name |
| 3222 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3223 | * Search the DTD for the description of this attribute on |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3224 | * this element. |
| 3225 | * |
| 3226 | * returns the xmlAttributePtr if found or NULL |
| 3227 | */ |
| 3228 | |
| 3229 | xmlAttributePtr |
| 3230 | xmlGetDtdAttrDesc(xmlDtdPtr dtd, const xmlChar *elem, const xmlChar *name) { |
| 3231 | xmlAttributeTablePtr table; |
| 3232 | xmlAttributePtr cur; |
| 3233 | xmlChar *uqname = NULL, *prefix = NULL; |
| 3234 | |
| 3235 | if (dtd == NULL) return(NULL); |
| 3236 | if (dtd->attributes == NULL) return(NULL); |
| 3237 | |
| 3238 | table = (xmlAttributeTablePtr) dtd->attributes; |
| 3239 | if (table == NULL) |
| 3240 | return(NULL); |
| 3241 | |
| 3242 | uqname = xmlSplitQName2(name, &prefix); |
| 3243 | |
| 3244 | if (uqname != NULL) { |
| 3245 | cur = xmlHashLookup3(table, uqname, prefix, elem); |
| 3246 | if (prefix != NULL) xmlFree(prefix); |
| 3247 | if (uqname != NULL) xmlFree(uqname); |
| 3248 | } else |
| 3249 | cur = xmlHashLookup3(table, name, NULL, elem); |
| 3250 | return(cur); |
| 3251 | } |
| 3252 | |
| 3253 | /** |
| 3254 | * xmlGetDtdQAttrDesc: |
| 3255 | * @dtd: a pointer to the DtD to search |
| 3256 | * @elem: the element name |
| 3257 | * @name: the attribute name |
| 3258 | * @prefix: the attribute namespace prefix |
| 3259 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3260 | * Search the DTD for the description of this qualified attribute on |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3261 | * this element. |
| 3262 | * |
| 3263 | * returns the xmlAttributePtr if found or NULL |
| 3264 | */ |
| 3265 | |
Daniel Veillard | 48da910 | 2001-08-07 01:10:10 +0000 | [diff] [blame] | 3266 | xmlAttributePtr |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3267 | xmlGetDtdQAttrDesc(xmlDtdPtr dtd, const xmlChar *elem, const xmlChar *name, |
| 3268 | const xmlChar *prefix) { |
| 3269 | xmlAttributeTablePtr table; |
| 3270 | |
| 3271 | if (dtd == NULL) return(NULL); |
| 3272 | if (dtd->attributes == NULL) return(NULL); |
| 3273 | table = (xmlAttributeTablePtr) dtd->attributes; |
| 3274 | |
| 3275 | return(xmlHashLookup3(table, name, prefix, elem)); |
| 3276 | } |
| 3277 | |
| 3278 | /** |
| 3279 | * xmlGetDtdNotationDesc: |
| 3280 | * @dtd: a pointer to the DtD to search |
| 3281 | * @name: the notation name |
| 3282 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3283 | * Search the DTD for the description of this notation |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3284 | * |
| 3285 | * returns the xmlNotationPtr if found or NULL |
| 3286 | */ |
| 3287 | |
| 3288 | xmlNotationPtr |
| 3289 | xmlGetDtdNotationDesc(xmlDtdPtr dtd, const xmlChar *name) { |
| 3290 | xmlNotationTablePtr table; |
| 3291 | |
| 3292 | if (dtd == NULL) return(NULL); |
| 3293 | if (dtd->notations == NULL) return(NULL); |
| 3294 | table = (xmlNotationTablePtr) dtd->notations; |
| 3295 | |
| 3296 | return(xmlHashLookup(table, name)); |
| 3297 | } |
| 3298 | |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 3299 | #if defined(LIBXML_VALID_ENABLED) || defined(LIBXML_SCHEMAS_ENABLED) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3300 | /** |
| 3301 | * xmlValidateNotationUse: |
| 3302 | * @ctxt: the validation context |
| 3303 | * @doc: the document |
| 3304 | * @notationName: the notation name to check |
| 3305 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3306 | * Validate that the given name match a notation declaration. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3307 | * - [ VC: Notation Declared ] |
| 3308 | * |
| 3309 | * returns 1 if valid or 0 otherwise |
| 3310 | */ |
| 3311 | |
| 3312 | int |
| 3313 | xmlValidateNotationUse(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 3314 | const xmlChar *notationName) { |
| 3315 | xmlNotationPtr notaDecl; |
Daniel Veillard | eab3ac9 | 2009-08-12 10:39:29 +0200 | [diff] [blame] | 3316 | if ((doc == NULL) || (doc->intSubset == NULL) || |
| 3317 | (notationName == NULL)) return(-1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3318 | |
| 3319 | notaDecl = xmlGetDtdNotationDesc(doc->intSubset, notationName); |
| 3320 | if ((notaDecl == NULL) && (doc->extSubset != NULL)) |
| 3321 | notaDecl = xmlGetDtdNotationDesc(doc->extSubset, notationName); |
| 3322 | |
Daniel Veillard | e637c4a | 2003-03-30 21:10:09 +0000 | [diff] [blame] | 3323 | if ((notaDecl == NULL) && (ctxt != NULL)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3324 | xmlErrValidNode(ctxt, (xmlNodePtr) doc, XML_DTD_UNKNOWN_NOTATION, |
| 3325 | "NOTATION %s is not declared\n", |
| 3326 | notationName, NULL, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3327 | return(0); |
| 3328 | } |
| 3329 | return(1); |
| 3330 | } |
Daniel Veillard | f54cd53 | 2004-02-25 11:52:31 +0000 | [diff] [blame] | 3331 | #endif /* LIBXML_VALID_ENABLED or LIBXML_SCHEMAS_ENABLED */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3332 | |
| 3333 | /** |
Daniel Veillard | 01c13b5 | 2002-12-10 15:19:08 +0000 | [diff] [blame] | 3334 | * xmlIsMixedElement: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3335 | * @doc: the document |
| 3336 | * @name: the element name |
| 3337 | * |
| 3338 | * Search in the DtDs whether an element accept Mixed content (or ANY) |
| 3339 | * basically if it is supposed to accept text childs |
| 3340 | * |
| 3341 | * returns 0 if no, 1 if yes, and -1 if no element description is available |
| 3342 | */ |
| 3343 | |
| 3344 | int |
| 3345 | xmlIsMixedElement(xmlDocPtr doc, const xmlChar *name) { |
| 3346 | xmlElementPtr elemDecl; |
| 3347 | |
| 3348 | if ((doc == NULL) || (doc->intSubset == NULL)) return(-1); |
| 3349 | |
| 3350 | elemDecl = xmlGetDtdElementDesc(doc->intSubset, name); |
| 3351 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) |
| 3352 | elemDecl = xmlGetDtdElementDesc(doc->extSubset, name); |
| 3353 | if (elemDecl == NULL) return(-1); |
| 3354 | switch (elemDecl->etype) { |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 3355 | case XML_ELEMENT_TYPE_UNDEFINED: |
| 3356 | return(-1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3357 | case XML_ELEMENT_TYPE_ELEMENT: |
| 3358 | return(0); |
| 3359 | case XML_ELEMENT_TYPE_EMPTY: |
| 3360 | /* |
| 3361 | * return 1 for EMPTY since we want VC error to pop up |
| 3362 | * on <empty> </empty> for example |
| 3363 | */ |
| 3364 | case XML_ELEMENT_TYPE_ANY: |
| 3365 | case XML_ELEMENT_TYPE_MIXED: |
| 3366 | return(1); |
| 3367 | } |
| 3368 | return(1); |
| 3369 | } |
| 3370 | |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 3371 | #ifdef LIBXML_VALID_ENABLED |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3372 | |
| 3373 | static int |
| 3374 | xmlIsDocNameStartChar(xmlDocPtr doc, int c) { |
| 3375 | if ((doc == NULL) || (doc->properties & XML_DOC_OLD10) == 0) { |
| 3376 | /* |
| 3377 | * Use the new checks of production [4] [4a] amd [5] of the |
| 3378 | * Update 5 of XML-1.0 |
| 3379 | */ |
| 3380 | if (((c >= 'a') && (c <= 'z')) || |
| 3381 | ((c >= 'A') && (c <= 'Z')) || |
| 3382 | (c == '_') || (c == ':') || |
| 3383 | ((c >= 0xC0) && (c <= 0xD6)) || |
| 3384 | ((c >= 0xD8) && (c <= 0xF6)) || |
| 3385 | ((c >= 0xF8) && (c <= 0x2FF)) || |
| 3386 | ((c >= 0x370) && (c <= 0x37D)) || |
| 3387 | ((c >= 0x37F) && (c <= 0x1FFF)) || |
| 3388 | ((c >= 0x200C) && (c <= 0x200D)) || |
| 3389 | ((c >= 0x2070) && (c <= 0x218F)) || |
| 3390 | ((c >= 0x2C00) && (c <= 0x2FEF)) || |
| 3391 | ((c >= 0x3001) && (c <= 0xD7FF)) || |
| 3392 | ((c >= 0xF900) && (c <= 0xFDCF)) || |
| 3393 | ((c >= 0xFDF0) && (c <= 0xFFFD)) || |
| 3394 | ((c >= 0x10000) && (c <= 0xEFFFF))) |
| 3395 | return(1); |
| 3396 | } else { |
| 3397 | if (IS_LETTER(c) || (c == '_') || (c == ':')) |
| 3398 | return(1); |
| 3399 | } |
| 3400 | return(0); |
| 3401 | } |
| 3402 | |
| 3403 | static int |
| 3404 | xmlIsDocNameChar(xmlDocPtr doc, int c) { |
| 3405 | if ((doc == NULL) || (doc->properties & XML_DOC_OLD10) == 0) { |
| 3406 | /* |
| 3407 | * Use the new checks of production [4] [4a] amd [5] of the |
| 3408 | * Update 5 of XML-1.0 |
| 3409 | */ |
| 3410 | if (((c >= 'a') && (c <= 'z')) || |
| 3411 | ((c >= 'A') && (c <= 'Z')) || |
| 3412 | ((c >= '0') && (c <= '9')) || /* !start */ |
| 3413 | (c == '_') || (c == ':') || |
| 3414 | (c == '-') || (c == '.') || (c == 0xB7) || /* !start */ |
| 3415 | ((c >= 0xC0) && (c <= 0xD6)) || |
| 3416 | ((c >= 0xD8) && (c <= 0xF6)) || |
| 3417 | ((c >= 0xF8) && (c <= 0x2FF)) || |
| 3418 | ((c >= 0x300) && (c <= 0x36F)) || /* !start */ |
| 3419 | ((c >= 0x370) && (c <= 0x37D)) || |
| 3420 | ((c >= 0x37F) && (c <= 0x1FFF)) || |
| 3421 | ((c >= 0x200C) && (c <= 0x200D)) || |
| 3422 | ((c >= 0x203F) && (c <= 0x2040)) || /* !start */ |
| 3423 | ((c >= 0x2070) && (c <= 0x218F)) || |
| 3424 | ((c >= 0x2C00) && (c <= 0x2FEF)) || |
| 3425 | ((c >= 0x3001) && (c <= 0xD7FF)) || |
| 3426 | ((c >= 0xF900) && (c <= 0xFDCF)) || |
| 3427 | ((c >= 0xFDF0) && (c <= 0xFFFD)) || |
| 3428 | ((c >= 0x10000) && (c <= 0xEFFFF))) |
| 3429 | return(1); |
| 3430 | } else { |
| 3431 | if ((IS_LETTER(c)) || (IS_DIGIT(c)) || |
| 3432 | (c == '.') || (c == '-') || |
| 3433 | (c == '_') || (c == ':') || |
| 3434 | (IS_COMBINING(c)) || |
| 3435 | (IS_EXTENDER(c))) |
| 3436 | return(1); |
| 3437 | } |
| 3438 | return(0); |
| 3439 | } |
| 3440 | |
| 3441 | /** |
| 3442 | * xmlValidateNameValue: |
| 3443 | * @doc: pointer to the document or NULL |
| 3444 | * @value: an Name value |
| 3445 | * |
| 3446 | * Validate that the given value match Name production |
| 3447 | * |
| 3448 | * returns 1 if valid or 0 otherwise |
| 3449 | */ |
| 3450 | |
| 3451 | static int |
| 3452 | xmlValidateNameValueInternal(xmlDocPtr doc, const xmlChar *value) { |
| 3453 | const xmlChar *cur; |
| 3454 | int val, len; |
| 3455 | |
| 3456 | if (value == NULL) return(0); |
| 3457 | cur = value; |
| 3458 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3459 | cur += len; |
| 3460 | if (!xmlIsDocNameStartChar(doc, val)) |
| 3461 | return(0); |
| 3462 | |
| 3463 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3464 | cur += len; |
| 3465 | while (xmlIsDocNameChar(doc, val)) { |
| 3466 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3467 | cur += len; |
| 3468 | } |
| 3469 | |
| 3470 | if (val != 0) return(0); |
| 3471 | |
| 3472 | return(1); |
| 3473 | } |
| 3474 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3475 | /** |
| 3476 | * xmlValidateNameValue: |
| 3477 | * @value: an Name value |
| 3478 | * |
| 3479 | * Validate that the given value match Name production |
| 3480 | * |
| 3481 | * returns 1 if valid or 0 otherwise |
| 3482 | */ |
| 3483 | |
Daniel Veillard | 9b731d7 | 2002-04-14 12:56:08 +0000 | [diff] [blame] | 3484 | int |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3485 | xmlValidateNameValue(const xmlChar *value) { |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3486 | return(xmlValidateNameValueInternal(NULL, value)); |
| 3487 | } |
| 3488 | |
| 3489 | /** |
| 3490 | * xmlValidateNamesValueInternal: |
| 3491 | * @doc: pointer to the document or NULL |
| 3492 | * @value: an Names value |
| 3493 | * |
| 3494 | * Validate that the given value match Names production |
| 3495 | * |
| 3496 | * returns 1 if valid or 0 otherwise |
| 3497 | */ |
| 3498 | |
| 3499 | static int |
| 3500 | xmlValidateNamesValueInternal(xmlDocPtr doc, const xmlChar *value) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3501 | const xmlChar *cur; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3502 | int val, len; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3503 | |
| 3504 | if (value == NULL) return(0); |
| 3505 | cur = value; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3506 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3507 | cur += len; |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3508 | |
| 3509 | if (!xmlIsDocNameStartChar(doc, val)) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3510 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3511 | |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3512 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3513 | cur += len; |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3514 | while (xmlIsDocNameChar(doc, val)) { |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3515 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3516 | cur += len; |
| 3517 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3518 | |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3519 | /* Should not test IS_BLANK(val) here -- see erratum E20*/ |
| 3520 | while (val == 0x20) { |
| 3521 | while (val == 0x20) { |
| 3522 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3523 | cur += len; |
| 3524 | } |
| 3525 | |
| 3526 | if (!xmlIsDocNameStartChar(doc, val)) |
| 3527 | return(0); |
| 3528 | |
| 3529 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3530 | cur += len; |
| 3531 | |
| 3532 | while (xmlIsDocNameChar(doc, val)) { |
| 3533 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3534 | cur += len; |
| 3535 | } |
| 3536 | } |
| 3537 | |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3538 | if (val != 0) return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3539 | |
| 3540 | return(1); |
| 3541 | } |
| 3542 | |
| 3543 | /** |
| 3544 | * xmlValidateNamesValue: |
| 3545 | * @value: an Names value |
| 3546 | * |
| 3547 | * Validate that the given value match Names production |
| 3548 | * |
| 3549 | * returns 1 if valid or 0 otherwise |
| 3550 | */ |
| 3551 | |
Daniel Veillard | 9b731d7 | 2002-04-14 12:56:08 +0000 | [diff] [blame] | 3552 | int |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3553 | xmlValidateNamesValue(const xmlChar *value) { |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3554 | return(xmlValidateNamesValueInternal(NULL, value)); |
| 3555 | } |
| 3556 | |
| 3557 | /** |
| 3558 | * xmlValidateNmtokenValueInternal: |
| 3559 | * @doc: pointer to the document or NULL |
| 3560 | * @value: an Nmtoken value |
| 3561 | * |
| 3562 | * Validate that the given value match Nmtoken production |
| 3563 | * |
| 3564 | * [ VC: Name Token ] |
| 3565 | * |
| 3566 | * returns 1 if valid or 0 otherwise |
| 3567 | */ |
| 3568 | |
| 3569 | static int |
| 3570 | xmlValidateNmtokenValueInternal(xmlDocPtr doc, const xmlChar *value) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3571 | const xmlChar *cur; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3572 | int val, len; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3573 | |
| 3574 | if (value == NULL) return(0); |
| 3575 | cur = value; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3576 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3577 | cur += len; |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3578 | |
| 3579 | if (!xmlIsDocNameChar(doc, val)) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3580 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3581 | |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3582 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3583 | cur += len; |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3584 | while (xmlIsDocNameChar(doc, val)) { |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3585 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3586 | cur += len; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3587 | } |
| 3588 | |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3589 | if (val != 0) return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3590 | |
| 3591 | return(1); |
| 3592 | } |
| 3593 | |
| 3594 | /** |
| 3595 | * xmlValidateNmtokenValue: |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3596 | * @value: an Nmtoken value |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3597 | * |
| 3598 | * Validate that the given value match Nmtoken production |
| 3599 | * |
| 3600 | * [ VC: Name Token ] |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3601 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3602 | * returns 1 if valid or 0 otherwise |
| 3603 | */ |
| 3604 | |
Daniel Veillard | 9b731d7 | 2002-04-14 12:56:08 +0000 | [diff] [blame] | 3605 | int |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3606 | xmlValidateNmtokenValue(const xmlChar *value) { |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3607 | return(xmlValidateNmtokenValueInternal(NULL, value)); |
| 3608 | } |
| 3609 | |
| 3610 | /** |
| 3611 | * xmlValidateNmtokensValueInternal: |
| 3612 | * @doc: pointer to the document or NULL |
| 3613 | * @value: an Nmtokens value |
| 3614 | * |
| 3615 | * Validate that the given value match Nmtokens production |
| 3616 | * |
| 3617 | * [ VC: Name Token ] |
| 3618 | * |
| 3619 | * returns 1 if valid or 0 otherwise |
| 3620 | */ |
| 3621 | |
| 3622 | static int |
| 3623 | xmlValidateNmtokensValueInternal(xmlDocPtr doc, const xmlChar *value) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3624 | const xmlChar *cur; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3625 | int val, len; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3626 | |
| 3627 | if (value == NULL) return(0); |
| 3628 | cur = value; |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3629 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3630 | cur += len; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3631 | |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3632 | while (IS_BLANK(val)) { |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3633 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3634 | cur += len; |
| 3635 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3636 | |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3637 | if (!xmlIsDocNameChar(doc, val)) |
| 3638 | return(0); |
| 3639 | |
| 3640 | while (xmlIsDocNameChar(doc, val)) { |
| 3641 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3642 | cur += len; |
| 3643 | } |
| 3644 | |
| 3645 | /* Should not test IS_BLANK(val) here -- see erratum E20*/ |
| 3646 | while (val == 0x20) { |
| 3647 | while (val == 0x20) { |
| 3648 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3649 | cur += len; |
| 3650 | } |
| 3651 | if (val == 0) return(1); |
| 3652 | |
| 3653 | if (!xmlIsDocNameChar(doc, val)) |
| 3654 | return(0); |
| 3655 | |
| 3656 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3657 | cur += len; |
| 3658 | |
| 3659 | while (xmlIsDocNameChar(doc, val)) { |
| 3660 | val = xmlStringCurrentChar(NULL, cur, &len); |
| 3661 | cur += len; |
| 3662 | } |
| 3663 | } |
| 3664 | |
Daniel Veillard | d8224e0 | 2002-01-13 15:43:22 +0000 | [diff] [blame] | 3665 | if (val != 0) return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3666 | |
| 3667 | return(1); |
| 3668 | } |
| 3669 | |
| 3670 | /** |
| 3671 | * xmlValidateNmtokensValue: |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3672 | * @value: an Nmtokens value |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3673 | * |
| 3674 | * Validate that the given value match Nmtokens production |
| 3675 | * |
| 3676 | * [ VC: Name Token ] |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3677 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3678 | * returns 1 if valid or 0 otherwise |
| 3679 | */ |
| 3680 | |
Daniel Veillard | 9b731d7 | 2002-04-14 12:56:08 +0000 | [diff] [blame] | 3681 | int |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3682 | xmlValidateNmtokensValue(const xmlChar *value) { |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3683 | return(xmlValidateNmtokensValueInternal(NULL, value)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3684 | } |
| 3685 | |
| 3686 | /** |
| 3687 | * xmlValidateNotationDecl: |
| 3688 | * @ctxt: the validation context |
| 3689 | * @doc: a document instance |
| 3690 | * @nota: a notation definition |
| 3691 | * |
| 3692 | * Try to validate a single notation definition |
| 3693 | * basically it does the following checks as described by the |
| 3694 | * XML-1.0 recommendation: |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 3695 | * - it seems that no validity constraint exists on notation declarations |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3696 | * But this function get called anyway ... |
| 3697 | * |
| 3698 | * returns 1 if valid or 0 otherwise |
| 3699 | */ |
| 3700 | |
| 3701 | int |
Daniel Veillard | c86a4fa | 2001-03-26 16:28:29 +0000 | [diff] [blame] | 3702 | xmlValidateNotationDecl(xmlValidCtxtPtr ctxt ATTRIBUTE_UNUSED, xmlDocPtr doc ATTRIBUTE_UNUSED, |
| 3703 | xmlNotationPtr nota ATTRIBUTE_UNUSED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3704 | int ret = 1; |
| 3705 | |
| 3706 | return(ret); |
| 3707 | } |
| 3708 | |
| 3709 | /** |
Daniel Veillard | be2bd6a | 2008-11-27 15:26:28 +0000 | [diff] [blame] | 3710 | * xmlValidateAttributeValueInternal: |
| 3711 | * @doc: the document |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3712 | * @type: an attribute type |
| 3713 | * @value: an attribute value |
| 3714 | * |
| 3715 | * Validate that the given attribute value match the proper production |
| 3716 | * |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3717 | * returns 1 if valid or 0 otherwise |
| 3718 | */ |
| 3719 | |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3720 | static int |
| 3721 | xmlValidateAttributeValueInternal(xmlDocPtr doc, xmlAttributeType type, |
| 3722 | const xmlChar *value) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3723 | switch (type) { |
| 3724 | case XML_ATTRIBUTE_ENTITIES: |
| 3725 | case XML_ATTRIBUTE_IDREFS: |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3726 | return(xmlValidateNamesValueInternal(doc, value)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3727 | case XML_ATTRIBUTE_ENTITY: |
| 3728 | case XML_ATTRIBUTE_IDREF: |
| 3729 | case XML_ATTRIBUTE_ID: |
| 3730 | case XML_ATTRIBUTE_NOTATION: |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3731 | return(xmlValidateNameValueInternal(doc, value)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3732 | case XML_ATTRIBUTE_NMTOKENS: |
| 3733 | case XML_ATTRIBUTE_ENUMERATION: |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3734 | return(xmlValidateNmtokensValueInternal(doc, value)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3735 | case XML_ATTRIBUTE_NMTOKEN: |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3736 | return(xmlValidateNmtokenValueInternal(doc, value)); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3737 | case XML_ATTRIBUTE_CDATA: |
| 3738 | break; |
| 3739 | } |
| 3740 | return(1); |
| 3741 | } |
| 3742 | |
Daniel Veillard | be2bd6a | 2008-11-27 15:26:28 +0000 | [diff] [blame] | 3743 | /** |
| 3744 | * xmlValidateAttributeValue: |
| 3745 | * @type: an attribute type |
| 3746 | * @value: an attribute value |
| 3747 | * |
| 3748 | * Validate that the given attribute value match the proper production |
| 3749 | * |
| 3750 | * [ VC: ID ] |
| 3751 | * Values of type ID must match the Name production.... |
| 3752 | * |
| 3753 | * [ VC: IDREF ] |
| 3754 | * Values of type IDREF must match the Name production, and values |
| 3755 | * of type IDREFS must match Names ... |
| 3756 | * |
| 3757 | * [ VC: Entity Name ] |
| 3758 | * Values of type ENTITY must match the Name production, values |
| 3759 | * of type ENTITIES must match Names ... |
| 3760 | * |
| 3761 | * [ VC: Name Token ] |
| 3762 | * Values of type NMTOKEN must match the Nmtoken production; values |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3763 | * of type NMTOKENS must match Nmtokens. |
Daniel Veillard | be2bd6a | 2008-11-27 15:26:28 +0000 | [diff] [blame] | 3764 | * |
| 3765 | * returns 1 if valid or 0 otherwise |
| 3766 | */ |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 3767 | int |
| 3768 | xmlValidateAttributeValue(xmlAttributeType type, const xmlChar *value) { |
| 3769 | return(xmlValidateAttributeValueInternal(NULL, type, value)); |
| 3770 | } |
| 3771 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3772 | /** |
| 3773 | * xmlValidateAttributeValue2: |
| 3774 | * @ctxt: the validation context |
| 3775 | * @doc: the document |
| 3776 | * @name: the attribute name (used for error reporting only) |
| 3777 | * @type: the attribute type |
| 3778 | * @value: the attribute value |
| 3779 | * |
| 3780 | * Validate that the given attribute value match a given type. |
| 3781 | * This typically cannot be done before having finished parsing |
| 3782 | * the subsets. |
| 3783 | * |
| 3784 | * [ VC: IDREF ] |
| 3785 | * Values of type IDREF must match one of the declared IDs |
| 3786 | * Values of type IDREFS must match a sequence of the declared IDs |
| 3787 | * each Name must match the value of an ID attribute on some element |
| 3788 | * in the XML document; i.e. IDREF values must match the value of |
| 3789 | * some ID attribute |
| 3790 | * |
| 3791 | * [ VC: Entity Name ] |
| 3792 | * Values of type ENTITY must match one declared entity |
| 3793 | * Values of type ENTITIES must match a sequence of declared entities |
| 3794 | * |
| 3795 | * [ VC: Notation Attributes ] |
| 3796 | * all notation names in the declaration must be declared. |
| 3797 | * |
| 3798 | * returns 1 if valid or 0 otherwise |
| 3799 | */ |
| 3800 | |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 3801 | static int |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3802 | xmlValidateAttributeValue2(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 3803 | const xmlChar *name, xmlAttributeType type, const xmlChar *value) { |
| 3804 | int ret = 1; |
| 3805 | switch (type) { |
| 3806 | case XML_ATTRIBUTE_IDREFS: |
| 3807 | case XML_ATTRIBUTE_IDREF: |
| 3808 | case XML_ATTRIBUTE_ID: |
| 3809 | case XML_ATTRIBUTE_NMTOKENS: |
| 3810 | case XML_ATTRIBUTE_ENUMERATION: |
| 3811 | case XML_ATTRIBUTE_NMTOKEN: |
| 3812 | case XML_ATTRIBUTE_CDATA: |
| 3813 | break; |
| 3814 | case XML_ATTRIBUTE_ENTITY: { |
| 3815 | xmlEntityPtr ent; |
| 3816 | |
| 3817 | ent = xmlGetDocEntity(doc, value); |
Daniel Veillard | 62998c0 | 2003-09-15 12:56:36 +0000 | [diff] [blame] | 3818 | /* yeah it's a bit messy... */ |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 3819 | if ((ent == NULL) && (doc->standalone == 1)) { |
| 3820 | doc->standalone = 0; |
| 3821 | ent = xmlGetDocEntity(doc, value); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3822 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3823 | if (ent == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3824 | xmlErrValidNode(ctxt, (xmlNodePtr) doc, |
| 3825 | XML_DTD_UNKNOWN_ENTITY, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3826 | "ENTITY attribute %s reference an unknown entity \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3827 | name, value, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3828 | ret = 0; |
| 3829 | } else if (ent->etype != XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3830 | xmlErrValidNode(ctxt, (xmlNodePtr) doc, |
| 3831 | XML_DTD_ENTITY_TYPE, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3832 | "ENTITY attribute %s reference an entity \"%s\" of wrong type\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3833 | name, value, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3834 | ret = 0; |
| 3835 | } |
| 3836 | break; |
| 3837 | } |
| 3838 | case XML_ATTRIBUTE_ENTITIES: { |
| 3839 | xmlChar *dup, *nam = NULL, *cur, save; |
| 3840 | xmlEntityPtr ent; |
| 3841 | |
| 3842 | dup = xmlStrdup(value); |
| 3843 | if (dup == NULL) |
| 3844 | return(0); |
| 3845 | cur = dup; |
| 3846 | while (*cur != 0) { |
| 3847 | nam = cur; |
William M. Brack | 76e95df | 2003-10-18 16:20:14 +0000 | [diff] [blame] | 3848 | while ((*cur != 0) && (!IS_BLANK_CH(*cur))) cur++; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3849 | save = *cur; |
| 3850 | *cur = 0; |
| 3851 | ent = xmlGetDocEntity(doc, nam); |
| 3852 | if (ent == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3853 | xmlErrValidNode(ctxt, (xmlNodePtr) doc, |
| 3854 | XML_DTD_UNKNOWN_ENTITY, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3855 | "ENTITIES attribute %s reference an unknown entity \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3856 | name, nam, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3857 | ret = 0; |
| 3858 | } else if (ent->etype != XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3859 | xmlErrValidNode(ctxt, (xmlNodePtr) doc, |
| 3860 | XML_DTD_ENTITY_TYPE, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3861 | "ENTITIES attribute %s reference an entity \"%s\" of wrong type\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3862 | name, nam, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3863 | ret = 0; |
| 3864 | } |
| 3865 | if (save == 0) |
| 3866 | break; |
| 3867 | *cur = save; |
William M. Brack | 76e95df | 2003-10-18 16:20:14 +0000 | [diff] [blame] | 3868 | while (IS_BLANK_CH(*cur)) cur++; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3869 | } |
| 3870 | xmlFree(dup); |
| 3871 | break; |
| 3872 | } |
| 3873 | case XML_ATTRIBUTE_NOTATION: { |
| 3874 | xmlNotationPtr nota; |
| 3875 | |
| 3876 | nota = xmlGetDtdNotationDesc(doc->intSubset, value); |
| 3877 | if ((nota == NULL) && (doc->extSubset != NULL)) |
| 3878 | nota = xmlGetDtdNotationDesc(doc->extSubset, value); |
| 3879 | |
| 3880 | if (nota == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3881 | xmlErrValidNode(ctxt, (xmlNodePtr) doc, |
| 3882 | XML_DTD_UNKNOWN_NOTATION, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3883 | "NOTATION attribute %s reference an unknown notation \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3884 | name, value, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3885 | ret = 0; |
| 3886 | } |
| 3887 | break; |
| 3888 | } |
| 3889 | } |
| 3890 | return(ret); |
| 3891 | } |
| 3892 | |
| 3893 | /** |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3894 | * xmlValidCtxtNormalizeAttributeValue: |
| 3895 | * @ctxt: the validation context |
| 3896 | * @doc: the document |
| 3897 | * @elem: the parent |
| 3898 | * @name: the attribute name |
| 3899 | * @value: the attribute value |
| 3900 | * @ctxt: the validation context or NULL |
| 3901 | * |
| 3902 | * Does the validation related extra step of the normalization of attribute |
| 3903 | * values: |
| 3904 | * |
| 3905 | * If the declared value is not CDATA, then the XML processor must further |
| 3906 | * process the normalized attribute value by discarding any leading and |
| 3907 | * trailing space (#x20) characters, and by replacing sequences of space |
| 3908 | * (#x20) characters by single space (#x20) character. |
| 3909 | * |
| 3910 | * Also check VC: Standalone Document Declaration in P32, and update |
| 3911 | * ctxt->valid accordingly |
| 3912 | * |
| 3913 | * returns a new normalized string if normalization is needed, NULL otherwise |
| 3914 | * the caller must free the returned value. |
| 3915 | */ |
| 3916 | |
| 3917 | xmlChar * |
| 3918 | xmlValidCtxtNormalizeAttributeValue(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 3919 | xmlNodePtr elem, const xmlChar *name, const xmlChar *value) { |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 3920 | xmlChar *ret; |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3921 | xmlAttributePtr attrDecl = NULL; |
| 3922 | int extsubset = 0; |
| 3923 | |
| 3924 | if (doc == NULL) return(NULL); |
| 3925 | if (elem == NULL) return(NULL); |
| 3926 | if (name == NULL) return(NULL); |
| 3927 | if (value == NULL) return(NULL); |
| 3928 | |
| 3929 | if ((elem->ns != NULL) && (elem->ns->prefix != NULL)) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 3930 | xmlChar fn[50]; |
| 3931 | xmlChar *fullname; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 3932 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 3933 | fullname = xmlBuildQName(elem->name, elem->ns->prefix, fn, 50); |
| 3934 | if (fullname == NULL) |
Daniel Veillard | 24505b0 | 2005-07-28 23:49:35 +0000 | [diff] [blame] | 3935 | return(NULL); |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 3936 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, fullname, name); |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3937 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 3938 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, fullname, name); |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3939 | if (attrDecl != NULL) |
| 3940 | extsubset = 1; |
| 3941 | } |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 3942 | if ((fullname != fn) && (fullname != elem->name)) |
| 3943 | xmlFree(fullname); |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3944 | } |
| 3945 | if ((attrDecl == NULL) && (doc->intSubset != NULL)) |
| 3946 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, name); |
| 3947 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) { |
| 3948 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, name); |
| 3949 | if (attrDecl != NULL) |
| 3950 | extsubset = 1; |
| 3951 | } |
| 3952 | |
| 3953 | if (attrDecl == NULL) |
| 3954 | return(NULL); |
| 3955 | if (attrDecl->atype == XML_ATTRIBUTE_CDATA) |
| 3956 | return(NULL); |
| 3957 | |
| 3958 | ret = xmlStrdup(value); |
| 3959 | if (ret == NULL) |
| 3960 | return(NULL); |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 3961 | xmlValidNormalizeString(ret); |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3962 | if ((doc->standalone) && (extsubset == 1) && (!xmlStrEqual(value, ret))) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3963 | xmlErrValidNode(ctxt, elem, XML_DTD_NOT_STANDALONE, |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3964 | "standalone: %s on %s value had to be normalized based on external subset declaration\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 3965 | name, elem->name, NULL); |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 3966 | ctxt->valid = 0; |
| 3967 | } |
| 3968 | return(ret); |
| 3969 | } |
| 3970 | |
| 3971 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3972 | * xmlValidNormalizeAttributeValue: |
| 3973 | * @doc: the document |
| 3974 | * @elem: the parent |
| 3975 | * @name: the attribute name |
| 3976 | * @value: the attribute value |
| 3977 | * |
| 3978 | * Does the validation related extra step of the normalization of attribute |
| 3979 | * values: |
| 3980 | * |
| 3981 | * If the declared value is not CDATA, then the XML processor must further |
| 3982 | * process the normalized attribute value by discarding any leading and |
| 3983 | * trailing space (#x20) characters, and by replacing sequences of space |
| 3984 | * (#x20) characters by single space (#x20) character. |
| 3985 | * |
Daniel Veillard | 652327a | 2003-09-29 18:02:38 +0000 | [diff] [blame] | 3986 | * Returns a new normalized string if normalization is needed, NULL otherwise |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3987 | * the caller must free the returned value. |
| 3988 | */ |
| 3989 | |
| 3990 | xmlChar * |
| 3991 | xmlValidNormalizeAttributeValue(xmlDocPtr doc, xmlNodePtr elem, |
| 3992 | const xmlChar *name, const xmlChar *value) { |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 3993 | xmlChar *ret; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 3994 | xmlAttributePtr attrDecl = NULL; |
| 3995 | |
| 3996 | if (doc == NULL) return(NULL); |
| 3997 | if (elem == NULL) return(NULL); |
| 3998 | if (name == NULL) return(NULL); |
| 3999 | if (value == NULL) return(NULL); |
| 4000 | |
| 4001 | if ((elem->ns != NULL) && (elem->ns->prefix != NULL)) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4002 | xmlChar fn[50]; |
| 4003 | xmlChar *fullname; |
Daniel Veillard | 594e5df | 2009-09-07 14:58:47 +0200 | [diff] [blame] | 4004 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4005 | fullname = xmlBuildQName(elem->name, elem->ns->prefix, fn, 50); |
| 4006 | if (fullname == NULL) |
Daniel Veillard | 24505b0 | 2005-07-28 23:49:35 +0000 | [diff] [blame] | 4007 | return(NULL); |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4008 | if ((fullname != fn) && (fullname != elem->name)) |
| 4009 | xmlFree(fullname); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4010 | } |
| 4011 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, elem->name, name); |
| 4012 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4013 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, name); |
| 4014 | |
| 4015 | if (attrDecl == NULL) |
| 4016 | return(NULL); |
| 4017 | if (attrDecl->atype == XML_ATTRIBUTE_CDATA) |
| 4018 | return(NULL); |
| 4019 | |
| 4020 | ret = xmlStrdup(value); |
| 4021 | if (ret == NULL) |
| 4022 | return(NULL); |
Nick Wellnhofer | 652dd12 | 2022-02-08 03:29:24 +0100 | [diff] [blame] | 4023 | xmlValidNormalizeString(ret); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4024 | return(ret); |
| 4025 | } |
| 4026 | |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 4027 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 4028 | xmlValidateAttributeIdCallback(void *payload, void *data, |
| 4029 | const xmlChar *name ATTRIBUTE_UNUSED) { |
| 4030 | xmlAttributePtr attr = (xmlAttributePtr) payload; |
| 4031 | int *count = (int *) data; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4032 | if (attr->atype == XML_ATTRIBUTE_ID) (*count)++; |
| 4033 | } |
| 4034 | |
| 4035 | /** |
| 4036 | * xmlValidateAttributeDecl: |
| 4037 | * @ctxt: the validation context |
| 4038 | * @doc: a document instance |
| 4039 | * @attr: an attribute definition |
| 4040 | * |
| 4041 | * Try to validate a single attribute definition |
| 4042 | * basically it does the following checks as described by the |
| 4043 | * XML-1.0 recommendation: |
| 4044 | * - [ VC: Attribute Default Legal ] |
| 4045 | * - [ VC: Enumeration ] |
| 4046 | * - [ VC: ID Attribute Default ] |
| 4047 | * |
| 4048 | * The ID/IDREF uniqueness and matching are done separately |
| 4049 | * |
| 4050 | * returns 1 if valid or 0 otherwise |
| 4051 | */ |
| 4052 | |
| 4053 | int |
| 4054 | xmlValidateAttributeDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 4055 | xmlAttributePtr attr) { |
| 4056 | int ret = 1; |
| 4057 | int val; |
| 4058 | CHECK_DTD; |
| 4059 | if(attr == NULL) return(1); |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 4060 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4061 | /* Attribute Default Legal */ |
| 4062 | /* Enumeration */ |
| 4063 | if (attr->defaultValue != NULL) { |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 4064 | val = xmlValidateAttributeValueInternal(doc, attr->atype, |
| 4065 | attr->defaultValue); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4066 | if (val == 0) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4067 | xmlErrValidNode(ctxt, (xmlNodePtr) attr, XML_DTD_ATTRIBUTE_DEFAULT, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4068 | "Syntax of default value for attribute %s of %s is not valid\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4069 | attr->name, attr->elem, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4070 | } |
| 4071 | ret &= val; |
| 4072 | } |
| 4073 | |
| 4074 | /* ID Attribute Default */ |
| 4075 | if ((attr->atype == XML_ATTRIBUTE_ID)&& |
| 4076 | (attr->def != XML_ATTRIBUTE_IMPLIED) && |
| 4077 | (attr->def != XML_ATTRIBUTE_REQUIRED)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4078 | xmlErrValidNode(ctxt, (xmlNodePtr) attr, XML_DTD_ID_FIXED, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4079 | "ID attribute %s of %s is not valid must be #IMPLIED or #REQUIRED\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4080 | attr->name, attr->elem, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4081 | ret = 0; |
| 4082 | } |
| 4083 | |
| 4084 | /* One ID per Element Type */ |
| 4085 | if (attr->atype == XML_ATTRIBUTE_ID) { |
| 4086 | int nbId; |
| 4087 | |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 4088 | /* the trick is that we parse DtD as their own internal subset */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4089 | xmlElementPtr elem = xmlGetDtdElementDesc(doc->intSubset, |
| 4090 | attr->elem); |
| 4091 | if (elem != NULL) { |
Daniel Veillard | dbee0f1 | 2005-06-27 13:42:57 +0000 | [diff] [blame] | 4092 | nbId = xmlScanIDAttributeDecl(NULL, elem, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4093 | } else { |
| 4094 | xmlAttributeTablePtr table; |
| 4095 | |
| 4096 | /* |
| 4097 | * The attribute may be declared in the internal subset and the |
| 4098 | * element in the external subset. |
| 4099 | */ |
| 4100 | nbId = 0; |
Daniel Veillard | 11ce400 | 2006-03-10 00:36:23 +0000 | [diff] [blame] | 4101 | if (doc->intSubset != NULL) { |
| 4102 | table = (xmlAttributeTablePtr) doc->intSubset->attributes; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 4103 | xmlHashScan3(table, NULL, NULL, attr->elem, |
Daniel Veillard | 11ce400 | 2006-03-10 00:36:23 +0000 | [diff] [blame] | 4104 | xmlValidateAttributeIdCallback, &nbId); |
| 4105 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4106 | } |
| 4107 | if (nbId > 1) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4108 | |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4109 | xmlErrValidNodeNr(ctxt, (xmlNodePtr) attr, XML_DTD_ID_SUBSET, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4110 | "Element %s has %d ID attribute defined in the internal subset : %s\n", |
| 4111 | attr->elem, nbId, attr->name); |
| 4112 | } else if (doc->extSubset != NULL) { |
| 4113 | int extId = 0; |
| 4114 | elem = xmlGetDtdElementDesc(doc->extSubset, attr->elem); |
| 4115 | if (elem != NULL) { |
Daniel Veillard | dbee0f1 | 2005-06-27 13:42:57 +0000 | [diff] [blame] | 4116 | extId = xmlScanIDAttributeDecl(NULL, elem, 0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4117 | } |
| 4118 | if (extId > 1) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4119 | xmlErrValidNodeNr(ctxt, (xmlNodePtr) attr, XML_DTD_ID_SUBSET, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4120 | "Element %s has %d ID attribute defined in the external subset : %s\n", |
| 4121 | attr->elem, extId, attr->name); |
| 4122 | } else if (extId + nbId > 1) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4123 | xmlErrValidNode(ctxt, (xmlNodePtr) attr, XML_DTD_ID_SUBSET, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4124 | "Element %s has ID attributes defined in the internal and external subset : %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4125 | attr->elem, attr->name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4126 | } |
| 4127 | } |
| 4128 | } |
| 4129 | |
| 4130 | /* Validity Constraint: Enumeration */ |
| 4131 | if ((attr->defaultValue != NULL) && (attr->tree != NULL)) { |
| 4132 | xmlEnumerationPtr tree = attr->tree; |
| 4133 | while (tree != NULL) { |
| 4134 | if (xmlStrEqual(tree->name, attr->defaultValue)) break; |
| 4135 | tree = tree->next; |
| 4136 | } |
| 4137 | if (tree == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4138 | xmlErrValidNode(ctxt, (xmlNodePtr) attr, XML_DTD_ATTRIBUTE_VALUE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4139 | "Default value \"%s\" for attribute %s of %s is not among the enumerated set\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4140 | attr->defaultValue, attr->name, attr->elem); |
| 4141 | ret = 0; |
| 4142 | } |
| 4143 | } |
| 4144 | |
| 4145 | return(ret); |
| 4146 | } |
| 4147 | |
| 4148 | /** |
| 4149 | * xmlValidateElementDecl: |
| 4150 | * @ctxt: the validation context |
| 4151 | * @doc: a document instance |
| 4152 | * @elem: an element definition |
| 4153 | * |
| 4154 | * Try to validate a single element definition |
| 4155 | * basically it does the following checks as described by the |
| 4156 | * XML-1.0 recommendation: |
| 4157 | * - [ VC: One ID per Element Type ] |
| 4158 | * - [ VC: No Duplicate Types ] |
| 4159 | * - [ VC: Unique Element Type Declaration ] |
| 4160 | * |
| 4161 | * returns 1 if valid or 0 otherwise |
| 4162 | */ |
| 4163 | |
| 4164 | int |
| 4165 | xmlValidateElementDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 4166 | xmlElementPtr elem) { |
| 4167 | int ret = 1; |
| 4168 | xmlElementPtr tst; |
| 4169 | |
| 4170 | CHECK_DTD; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4171 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4172 | if (elem == NULL) return(1); |
| 4173 | |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 4174 | #if 0 |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 4175 | #ifdef LIBXML_REGEXP_ENABLED |
| 4176 | /* Build the regexp associated to the content model */ |
| 4177 | ret = xmlValidBuildContentModel(ctxt, elem); |
| 4178 | #endif |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 4179 | #endif |
Daniel Veillard | 84d70a4 | 2002-09-16 10:51:38 +0000 | [diff] [blame] | 4180 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4181 | /* No Duplicate Types */ |
| 4182 | if (elem->etype == XML_ELEMENT_TYPE_MIXED) { |
| 4183 | xmlElementContentPtr cur, next; |
| 4184 | const xmlChar *name; |
| 4185 | |
| 4186 | cur = elem->content; |
| 4187 | while (cur != NULL) { |
| 4188 | if (cur->type != XML_ELEMENT_CONTENT_OR) break; |
| 4189 | if (cur->c1 == NULL) break; |
| 4190 | if (cur->c1->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 4191 | name = cur->c1->name; |
| 4192 | next = cur->c2; |
| 4193 | while (next != NULL) { |
| 4194 | if (next->type == XML_ELEMENT_CONTENT_ELEMENT) { |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4195 | if ((xmlStrEqual(next->name, name)) && |
Daniel Veillard | a721612 | 2009-08-21 18:22:58 +0200 | [diff] [blame] | 4196 | (xmlStrEqual(next->prefix, cur->c1->prefix))) { |
| 4197 | if (cur->c1->prefix == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4198 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, XML_DTD_CONTENT_ERROR, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4199 | "Definition of %s has duplicate references of %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4200 | elem->name, name, NULL); |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4201 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4202 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, XML_DTD_CONTENT_ERROR, |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4203 | "Definition of %s has duplicate references of %s:%s\n", |
Daniel Veillard | a721612 | 2009-08-21 18:22:58 +0200 | [diff] [blame] | 4204 | elem->name, cur->c1->prefix, name); |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4205 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4206 | ret = 0; |
| 4207 | } |
| 4208 | break; |
| 4209 | } |
| 4210 | if (next->c1 == NULL) break; |
| 4211 | if (next->c1->type != XML_ELEMENT_CONTENT_ELEMENT) break; |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4212 | if ((xmlStrEqual(next->c1->name, name)) && |
Daniel Veillard | a721612 | 2009-08-21 18:22:58 +0200 | [diff] [blame] | 4213 | (xmlStrEqual(next->c1->prefix, cur->c1->prefix))) { |
| 4214 | if (cur->c1->prefix == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4215 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, XML_DTD_CONTENT_ERROR, |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4216 | "Definition of %s has duplicate references to %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4217 | elem->name, name, NULL); |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4218 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4219 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, XML_DTD_CONTENT_ERROR, |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4220 | "Definition of %s has duplicate references to %s:%s\n", |
Daniel Veillard | a721612 | 2009-08-21 18:22:58 +0200 | [diff] [blame] | 4221 | elem->name, cur->c1->prefix, name); |
Daniel Veillard | 7b68df9 | 2003-08-03 22:58:54 +0000 | [diff] [blame] | 4222 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4223 | ret = 0; |
| 4224 | } |
| 4225 | next = next->c2; |
| 4226 | } |
| 4227 | } |
| 4228 | cur = cur->c2; |
| 4229 | } |
| 4230 | } |
| 4231 | |
| 4232 | /* VC: Unique Element Type Declaration */ |
| 4233 | tst = xmlGetDtdElementDesc(doc->intSubset, elem->name); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 4234 | if ((tst != NULL ) && (tst != elem) && |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 4235 | ((tst->prefix == elem->prefix) || |
| 4236 | (xmlStrEqual(tst->prefix, elem->prefix))) && |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 4237 | (tst->etype != XML_ELEMENT_TYPE_UNDEFINED)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4238 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, XML_DTD_ELEM_REDEFINED, |
| 4239 | "Redefinition of element %s\n", |
| 4240 | elem->name, NULL, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4241 | ret = 0; |
| 4242 | } |
| 4243 | tst = xmlGetDtdElementDesc(doc->extSubset, elem->name); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 4244 | if ((tst != NULL ) && (tst != elem) && |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 4245 | ((tst->prefix == elem->prefix) || |
| 4246 | (xmlStrEqual(tst->prefix, elem->prefix))) && |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 4247 | (tst->etype != XML_ELEMENT_TYPE_UNDEFINED)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4248 | xmlErrValidNode(ctxt, (xmlNodePtr) elem, XML_DTD_ELEM_REDEFINED, |
| 4249 | "Redefinition of element %s\n", |
| 4250 | elem->name, NULL, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4251 | ret = 0; |
| 4252 | } |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 4253 | /* One ID per Element Type |
| 4254 | * already done when registering the attribute |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4255 | if (xmlScanIDAttributeDecl(ctxt, elem) > 1) { |
| 4256 | ret = 0; |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 4257 | } */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4258 | return(ret); |
| 4259 | } |
| 4260 | |
| 4261 | /** |
| 4262 | * xmlValidateOneAttribute: |
| 4263 | * @ctxt: the validation context |
| 4264 | * @doc: a document instance |
| 4265 | * @elem: an element instance |
| 4266 | * @attr: an attribute instance |
| 4267 | * @value: the attribute value (without entities processing) |
| 4268 | * |
| 4269 | * Try to validate a single attribute for an element |
| 4270 | * basically it does the following checks as described by the |
| 4271 | * XML-1.0 recommendation: |
| 4272 | * - [ VC: Attribute Value Type ] |
| 4273 | * - [ VC: Fixed Attribute Default ] |
| 4274 | * - [ VC: Entity Name ] |
| 4275 | * - [ VC: Name Token ] |
| 4276 | * - [ VC: ID ] |
| 4277 | * - [ VC: IDREF ] |
| 4278 | * - [ VC: Entity Name ] |
| 4279 | * - [ VC: Notation Attributes ] |
| 4280 | * |
| 4281 | * The ID/IDREF uniqueness and matching are done separately |
| 4282 | * |
| 4283 | * returns 1 if valid or 0 otherwise |
| 4284 | */ |
| 4285 | |
| 4286 | int |
| 4287 | xmlValidateOneAttribute(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4288 | xmlNodePtr elem, xmlAttrPtr attr, const xmlChar *value) |
Daniel Veillard | 07cb822 | 2003-09-10 10:51:05 +0000 | [diff] [blame] | 4289 | { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4290 | xmlAttributePtr attrDecl = NULL; |
| 4291 | int val; |
| 4292 | int ret = 1; |
| 4293 | |
| 4294 | CHECK_DTD; |
| 4295 | if ((elem == NULL) || (elem->name == NULL)) return(0); |
| 4296 | if ((attr == NULL) || (attr->name == NULL)) return(0); |
| 4297 | |
| 4298 | if ((elem->ns != NULL) && (elem->ns->prefix != NULL)) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4299 | xmlChar fn[50]; |
| 4300 | xmlChar *fullname; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4301 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4302 | fullname = xmlBuildQName(elem->name, elem->ns->prefix, fn, 50); |
| 4303 | if (fullname == NULL) |
| 4304 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4305 | if (attr->ns != NULL) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4306 | attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, fullname, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4307 | attr->name, attr->ns->prefix); |
| 4308 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4309 | attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, fullname, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4310 | attr->name, attr->ns->prefix); |
| 4311 | } else { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4312 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, fullname, attr->name); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4313 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4314 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4315 | fullname, attr->name); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4316 | } |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4317 | if ((fullname != fn) && (fullname != elem->name)) |
| 4318 | xmlFree(fullname); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4319 | } |
| 4320 | if (attrDecl == NULL) { |
| 4321 | if (attr->ns != NULL) { |
| 4322 | attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, elem->name, |
| 4323 | attr->name, attr->ns->prefix); |
| 4324 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4325 | attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, elem->name, |
| 4326 | attr->name, attr->ns->prefix); |
| 4327 | } else { |
| 4328 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, |
| 4329 | elem->name, attr->name); |
| 4330 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4331 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, |
| 4332 | elem->name, attr->name); |
| 4333 | } |
| 4334 | } |
| 4335 | |
| 4336 | |
| 4337 | /* Validity Constraint: Attribute Value Type */ |
| 4338 | if (attrDecl == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4339 | xmlErrValidNode(ctxt, elem, XML_DTD_UNKNOWN_ATTRIBUTE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4340 | "No declaration for attribute %s of element %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4341 | attr->name, elem->name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4342 | return(0); |
| 4343 | } |
| 4344 | attr->atype = attrDecl->atype; |
| 4345 | |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 4346 | val = xmlValidateAttributeValueInternal(doc, attrDecl->atype, value); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4347 | if (val == 0) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4348 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_VALUE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4349 | "Syntax of value for attribute %s of %s is not valid\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4350 | attr->name, elem->name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4351 | ret = 0; |
| 4352 | } |
| 4353 | |
| 4354 | /* Validity constraint: Fixed Attribute Default */ |
| 4355 | if (attrDecl->def == XML_ATTRIBUTE_FIXED) { |
| 4356 | if (!xmlStrEqual(value, attrDecl->defaultValue)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4357 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_DEFAULT, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4358 | "Value for attribute %s of %s is different from default \"%s\"\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4359 | attr->name, elem->name, attrDecl->defaultValue); |
| 4360 | ret = 0; |
| 4361 | } |
| 4362 | } |
| 4363 | |
| 4364 | /* Validity Constraint: ID uniqueness */ |
| 4365 | if (attrDecl->atype == XML_ATTRIBUTE_ID) { |
| 4366 | if (xmlAddID(ctxt, doc, value, attr) == NULL) |
| 4367 | ret = 0; |
| 4368 | } |
| 4369 | |
| 4370 | if ((attrDecl->atype == XML_ATTRIBUTE_IDREF) || |
| 4371 | (attrDecl->atype == XML_ATTRIBUTE_IDREFS)) { |
| 4372 | if (xmlAddRef(ctxt, doc, value, attr) == NULL) |
| 4373 | ret = 0; |
| 4374 | } |
| 4375 | |
| 4376 | /* Validity Constraint: Notation Attributes */ |
| 4377 | if (attrDecl->atype == XML_ATTRIBUTE_NOTATION) { |
| 4378 | xmlEnumerationPtr tree = attrDecl->tree; |
| 4379 | xmlNotationPtr nota; |
| 4380 | |
| 4381 | /* First check that the given NOTATION was declared */ |
| 4382 | nota = xmlGetDtdNotationDesc(doc->intSubset, value); |
| 4383 | if (nota == NULL) |
| 4384 | nota = xmlGetDtdNotationDesc(doc->extSubset, value); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4385 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4386 | if (nota == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4387 | xmlErrValidNode(ctxt, elem, XML_DTD_UNKNOWN_NOTATION, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4388 | "Value \"%s\" for attribute %s of %s is not a declared Notation\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4389 | value, attr->name, elem->name); |
| 4390 | ret = 0; |
| 4391 | } |
| 4392 | |
| 4393 | /* Second, verify that it's among the list */ |
| 4394 | while (tree != NULL) { |
| 4395 | if (xmlStrEqual(tree->name, value)) break; |
| 4396 | tree = tree->next; |
| 4397 | } |
| 4398 | if (tree == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4399 | xmlErrValidNode(ctxt, elem, XML_DTD_NOTATION_VALUE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4400 | "Value \"%s\" for attribute %s of %s is not among the enumerated notations\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4401 | value, attr->name, elem->name); |
| 4402 | ret = 0; |
| 4403 | } |
| 4404 | } |
| 4405 | |
| 4406 | /* Validity Constraint: Enumeration */ |
| 4407 | if (attrDecl->atype == XML_ATTRIBUTE_ENUMERATION) { |
| 4408 | xmlEnumerationPtr tree = attrDecl->tree; |
| 4409 | while (tree != NULL) { |
| 4410 | if (xmlStrEqual(tree->name, value)) break; |
| 4411 | tree = tree->next; |
| 4412 | } |
| 4413 | if (tree == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4414 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_VALUE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4415 | "Value \"%s\" for attribute %s of %s is not among the enumerated set\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4416 | value, attr->name, elem->name); |
| 4417 | ret = 0; |
| 4418 | } |
| 4419 | } |
| 4420 | |
| 4421 | /* Fixed Attribute Default */ |
| 4422 | if ((attrDecl->def == XML_ATTRIBUTE_FIXED) && |
| 4423 | (!xmlStrEqual(attrDecl->defaultValue, value))) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4424 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_VALUE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 4425 | "Value for attribute %s of %s must be \"%s\"\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 4426 | attr->name, elem->name, attrDecl->defaultValue); |
| 4427 | ret = 0; |
| 4428 | } |
| 4429 | |
| 4430 | /* Extra check for the attribute value */ |
| 4431 | ret &= xmlValidateAttributeValue2(ctxt, doc, attr->name, |
| 4432 | attrDecl->atype, value); |
| 4433 | |
| 4434 | return(ret); |
| 4435 | } |
| 4436 | |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4437 | /** |
| 4438 | * xmlValidateOneNamespace: |
| 4439 | * @ctxt: the validation context |
| 4440 | * @doc: a document instance |
| 4441 | * @elem: an element instance |
Daniel Veillard | a9b66d0 | 2002-12-11 14:23:49 +0000 | [diff] [blame] | 4442 | * @prefix: the namespace prefix |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4443 | * @ns: an namespace declaration instance |
| 4444 | * @value: the attribute value (without entities processing) |
| 4445 | * |
| 4446 | * Try to validate a single namespace declaration for an element |
| 4447 | * basically it does the following checks as described by the |
| 4448 | * XML-1.0 recommendation: |
| 4449 | * - [ VC: Attribute Value Type ] |
| 4450 | * - [ VC: Fixed Attribute Default ] |
| 4451 | * - [ VC: Entity Name ] |
| 4452 | * - [ VC: Name Token ] |
| 4453 | * - [ VC: ID ] |
| 4454 | * - [ VC: IDREF ] |
| 4455 | * - [ VC: Entity Name ] |
| 4456 | * - [ VC: Notation Attributes ] |
| 4457 | * |
| 4458 | * The ID/IDREF uniqueness and matching are done separately |
| 4459 | * |
| 4460 | * returns 1 if valid or 0 otherwise |
| 4461 | */ |
| 4462 | |
| 4463 | int |
| 4464 | xmlValidateOneNamespace(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 4465 | xmlNodePtr elem, const xmlChar *prefix, xmlNsPtr ns, const xmlChar *value) { |
| 4466 | /* xmlElementPtr elemDecl; */ |
| 4467 | xmlAttributePtr attrDecl = NULL; |
| 4468 | int val; |
| 4469 | int ret = 1; |
| 4470 | |
| 4471 | CHECK_DTD; |
| 4472 | if ((elem == NULL) || (elem->name == NULL)) return(0); |
| 4473 | if ((ns == NULL) || (ns->href == NULL)) return(0); |
| 4474 | |
| 4475 | if (prefix != NULL) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4476 | xmlChar fn[50]; |
| 4477 | xmlChar *fullname; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4478 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4479 | fullname = xmlBuildQName(elem->name, prefix, fn, 50); |
| 4480 | if (fullname == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 4481 | xmlVErrMemory(ctxt, "Validating namespace"); |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4482 | return(0); |
| 4483 | } |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4484 | if (ns->prefix != NULL) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4485 | attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, fullname, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4486 | ns->prefix, BAD_CAST "xmlns"); |
| 4487 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4488 | attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, fullname, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4489 | ns->prefix, BAD_CAST "xmlns"); |
| 4490 | } else { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4491 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, fullname, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4492 | BAD_CAST "xmlns"); |
| 4493 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4494 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, fullname, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4495 | BAD_CAST "xmlns"); |
| 4496 | } |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 4497 | if ((fullname != fn) && (fullname != elem->name)) |
| 4498 | xmlFree(fullname); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4499 | } |
| 4500 | if (attrDecl == NULL) { |
| 4501 | if (ns->prefix != NULL) { |
| 4502 | attrDecl = xmlGetDtdQAttrDesc(doc->intSubset, elem->name, |
| 4503 | ns->prefix, BAD_CAST "xmlns"); |
| 4504 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4505 | attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, elem->name, |
| 4506 | ns->prefix, BAD_CAST "xmlns"); |
| 4507 | } else { |
| 4508 | attrDecl = xmlGetDtdAttrDesc(doc->intSubset, |
| 4509 | elem->name, BAD_CAST "xmlns"); |
| 4510 | if ((attrDecl == NULL) && (doc->extSubset != NULL)) |
| 4511 | attrDecl = xmlGetDtdAttrDesc(doc->extSubset, |
| 4512 | elem->name, BAD_CAST "xmlns"); |
| 4513 | } |
| 4514 | } |
| 4515 | |
| 4516 | |
| 4517 | /* Validity Constraint: Attribute Value Type */ |
| 4518 | if (attrDecl == NULL) { |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4519 | if (ns->prefix != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4520 | xmlErrValidNode(ctxt, elem, XML_DTD_UNKNOWN_ATTRIBUTE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4521 | "No declaration for attribute xmlns:%s of element %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4522 | ns->prefix, elem->name, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4523 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4524 | xmlErrValidNode(ctxt, elem, XML_DTD_UNKNOWN_ATTRIBUTE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4525 | "No declaration for attribute xmlns of element %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4526 | elem->name, NULL, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4527 | } |
| 4528 | return(0); |
| 4529 | } |
| 4530 | |
Daniel Veillard | ae0765b | 2008-07-31 19:54:59 +0000 | [diff] [blame] | 4531 | val = xmlValidateAttributeValueInternal(doc, attrDecl->atype, value); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4532 | if (val == 0) { |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4533 | if (ns->prefix != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4534 | xmlErrValidNode(ctxt, elem, XML_DTD_INVALID_DEFAULT, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4535 | "Syntax of value for attribute xmlns:%s of %s is not valid\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4536 | ns->prefix, elem->name, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4537 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4538 | xmlErrValidNode(ctxt, elem, XML_DTD_INVALID_DEFAULT, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4539 | "Syntax of value for attribute xmlns of %s is not valid\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4540 | elem->name, NULL, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4541 | } |
| 4542 | ret = 0; |
| 4543 | } |
| 4544 | |
| 4545 | /* Validity constraint: Fixed Attribute Default */ |
| 4546 | if (attrDecl->def == XML_ATTRIBUTE_FIXED) { |
| 4547 | if (!xmlStrEqual(value, attrDecl->defaultValue)) { |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4548 | if (ns->prefix != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4549 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_DEFAULT, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4550 | "Value for attribute xmlns:%s of %s is different from default \"%s\"\n", |
| 4551 | ns->prefix, elem->name, attrDecl->defaultValue); |
| 4552 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4553 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_DEFAULT, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4554 | "Value for attribute xmlns of %s is different from default \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4555 | elem->name, attrDecl->defaultValue, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4556 | } |
| 4557 | ret = 0; |
| 4558 | } |
| 4559 | } |
| 4560 | |
Nick Wellnhofer | 92b9e8c | 2017-06-06 12:56:28 +0200 | [diff] [blame] | 4561 | /* |
| 4562 | * Casting ns to xmlAttrPtr is wrong. We'd need separate functions |
| 4563 | * xmlAddID and xmlAddRef for namespace declarations, but it makes |
| 4564 | * no practical sense to use ID types anyway. |
| 4565 | */ |
| 4566 | #if 0 |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4567 | /* Validity Constraint: ID uniqueness */ |
| 4568 | if (attrDecl->atype == XML_ATTRIBUTE_ID) { |
| 4569 | if (xmlAddID(ctxt, doc, value, (xmlAttrPtr) ns) == NULL) |
| 4570 | ret = 0; |
| 4571 | } |
| 4572 | |
| 4573 | if ((attrDecl->atype == XML_ATTRIBUTE_IDREF) || |
| 4574 | (attrDecl->atype == XML_ATTRIBUTE_IDREFS)) { |
| 4575 | if (xmlAddRef(ctxt, doc, value, (xmlAttrPtr) ns) == NULL) |
| 4576 | ret = 0; |
| 4577 | } |
Nick Wellnhofer | 92b9e8c | 2017-06-06 12:56:28 +0200 | [diff] [blame] | 4578 | #endif |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4579 | |
| 4580 | /* Validity Constraint: Notation Attributes */ |
| 4581 | if (attrDecl->atype == XML_ATTRIBUTE_NOTATION) { |
| 4582 | xmlEnumerationPtr tree = attrDecl->tree; |
| 4583 | xmlNotationPtr nota; |
| 4584 | |
| 4585 | /* First check that the given NOTATION was declared */ |
| 4586 | nota = xmlGetDtdNotationDesc(doc->intSubset, value); |
| 4587 | if (nota == NULL) |
| 4588 | nota = xmlGetDtdNotationDesc(doc->extSubset, value); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4589 | |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4590 | if (nota == NULL) { |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4591 | if (ns->prefix != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4592 | xmlErrValidNode(ctxt, elem, XML_DTD_UNKNOWN_NOTATION, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4593 | "Value \"%s\" for attribute xmlns:%s of %s is not a declared Notation\n", |
| 4594 | value, ns->prefix, elem->name); |
| 4595 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4596 | xmlErrValidNode(ctxt, elem, XML_DTD_UNKNOWN_NOTATION, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4597 | "Value \"%s\" for attribute xmlns of %s is not a declared Notation\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4598 | value, elem->name, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4599 | } |
| 4600 | ret = 0; |
| 4601 | } |
| 4602 | |
| 4603 | /* Second, verify that it's among the list */ |
| 4604 | while (tree != NULL) { |
| 4605 | if (xmlStrEqual(tree->name, value)) break; |
| 4606 | tree = tree->next; |
| 4607 | } |
| 4608 | if (tree == NULL) { |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4609 | if (ns->prefix != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4610 | xmlErrValidNode(ctxt, elem, XML_DTD_NOTATION_VALUE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4611 | "Value \"%s\" for attribute xmlns:%s of %s is not among the enumerated notations\n", |
| 4612 | value, ns->prefix, elem->name); |
| 4613 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4614 | xmlErrValidNode(ctxt, elem, XML_DTD_NOTATION_VALUE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4615 | "Value \"%s\" for attribute xmlns of %s is not among the enumerated notations\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4616 | value, elem->name, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4617 | } |
| 4618 | ret = 0; |
| 4619 | } |
| 4620 | } |
| 4621 | |
| 4622 | /* Validity Constraint: Enumeration */ |
| 4623 | if (attrDecl->atype == XML_ATTRIBUTE_ENUMERATION) { |
| 4624 | xmlEnumerationPtr tree = attrDecl->tree; |
| 4625 | while (tree != NULL) { |
| 4626 | if (xmlStrEqual(tree->name, value)) break; |
| 4627 | tree = tree->next; |
| 4628 | } |
| 4629 | if (tree == NULL) { |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4630 | if (ns->prefix != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4631 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_VALUE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4632 | "Value \"%s\" for attribute xmlns:%s of %s is not among the enumerated set\n", |
| 4633 | value, ns->prefix, elem->name); |
| 4634 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4635 | xmlErrValidNode(ctxt, elem, XML_DTD_ATTRIBUTE_VALUE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4636 | "Value \"%s\" for attribute xmlns of %s is not among the enumerated set\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4637 | value, elem->name, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4638 | } |
| 4639 | ret = 0; |
| 4640 | } |
| 4641 | } |
| 4642 | |
| 4643 | /* Fixed Attribute Default */ |
| 4644 | if ((attrDecl->def == XML_ATTRIBUTE_FIXED) && |
| 4645 | (!xmlStrEqual(attrDecl->defaultValue, value))) { |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4646 | if (ns->prefix != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4647 | xmlErrValidNode(ctxt, elem, XML_DTD_ELEM_NAMESPACE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4648 | "Value for attribute xmlns:%s of %s must be \"%s\"\n", |
| 4649 | ns->prefix, elem->name, attrDecl->defaultValue); |
| 4650 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4651 | xmlErrValidNode(ctxt, elem, XML_DTD_ELEM_NAMESPACE, |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4652 | "Value for attribute xmlns of %s must be \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 4653 | elem->name, attrDecl->defaultValue, NULL); |
Daniel Veillard | 90d68fb | 2002-09-26 16:10:21 +0000 | [diff] [blame] | 4654 | } |
| 4655 | ret = 0; |
| 4656 | } |
| 4657 | |
| 4658 | /* Extra check for the attribute value */ |
| 4659 | if (ns->prefix != NULL) { |
| 4660 | ret &= xmlValidateAttributeValue2(ctxt, doc, ns->prefix, |
| 4661 | attrDecl->atype, value); |
| 4662 | } else { |
| 4663 | ret &= xmlValidateAttributeValue2(ctxt, doc, BAD_CAST "xmlns", |
| 4664 | attrDecl->atype, value); |
| 4665 | } |
| 4666 | |
| 4667 | return(ret); |
| 4668 | } |
| 4669 | |
Daniel Veillard | 118aed7 | 2002-09-24 14:13:13 +0000 | [diff] [blame] | 4670 | #ifndef LIBXML_REGEXP_ENABLED |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4671 | /** |
| 4672 | * xmlValidateSkipIgnorable: |
| 4673 | * @ctxt: the validation context |
| 4674 | * @child: the child list |
| 4675 | * |
| 4676 | * Skip ignorable elements w.r.t. the validation process |
| 4677 | * |
| 4678 | * returns the first element to consider for validation of the content model |
| 4679 | */ |
| 4680 | |
| 4681 | static xmlNodePtr |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 4682 | xmlValidateSkipIgnorable(xmlNodePtr child) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4683 | while (child != NULL) { |
| 4684 | switch (child->type) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4685 | /* These things are ignored (skipped) during validation. */ |
| 4686 | case XML_PI_NODE: |
| 4687 | case XML_COMMENT_NODE: |
| 4688 | case XML_XINCLUDE_START: |
| 4689 | case XML_XINCLUDE_END: |
| 4690 | child = child->next; |
| 4691 | break; |
| 4692 | case XML_TEXT_NODE: |
| 4693 | if (xmlIsBlankNode(child)) |
| 4694 | child = child->next; |
| 4695 | else |
| 4696 | return(child); |
| 4697 | break; |
| 4698 | /* keep current node */ |
| 4699 | default: |
| 4700 | return(child); |
| 4701 | } |
| 4702 | } |
| 4703 | return(child); |
| 4704 | } |
| 4705 | |
| 4706 | /** |
| 4707 | * xmlValidateElementType: |
| 4708 | * @ctxt: the validation context |
| 4709 | * |
| 4710 | * Try to validate the content model of an element internal function |
| 4711 | * |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 4712 | * returns 1 if valid or 0 ,-1 in case of error, -2 if an entity |
| 4713 | * reference is found and -3 if the validation succeeded but |
| 4714 | * the content model is not determinist. |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4715 | */ |
| 4716 | |
| 4717 | static int |
| 4718 | xmlValidateElementType(xmlValidCtxtPtr ctxt) { |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 4719 | int ret = -1; |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 4720 | int determinist = 1; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4721 | |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 4722 | NODE = xmlValidateSkipIgnorable(NODE); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4723 | if ((NODE == NULL) && (CONT == NULL)) |
| 4724 | return(1); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 4725 | if ((NODE == NULL) && |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4726 | ((CONT->ocur == XML_ELEMENT_CONTENT_MULT) || |
| 4727 | (CONT->ocur == XML_ELEMENT_CONTENT_OPT))) { |
| 4728 | return(1); |
| 4729 | } |
| 4730 | if (CONT == NULL) return(-1); |
Daniel Veillard | 7533cc8 | 2001-04-24 15:52:00 +0000 | [diff] [blame] | 4731 | if ((NODE != NULL) && (NODE->type == XML_ENTITY_REF_NODE)) |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 4732 | return(-2); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4733 | |
| 4734 | /* |
| 4735 | * We arrive here when more states need to be examined |
| 4736 | */ |
| 4737 | cont: |
| 4738 | |
| 4739 | /* |
| 4740 | * We just recovered from a rollback generated by a possible |
| 4741 | * epsilon transition, go directly to the analysis phase |
| 4742 | */ |
| 4743 | if (STATE == ROLLBACK_PARENT) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4744 | ret = 1; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4745 | goto analyze; |
| 4746 | } |
| 4747 | |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4748 | /* |
| 4749 | * we may have to save a backup state here. This is the equivalent |
| 4750 | * of handling epsilon transition in NFAs. |
| 4751 | */ |
Daniel Veillard | e62d36c | 2001-05-15 08:53:16 +0000 | [diff] [blame] | 4752 | if ((CONT != NULL) && |
Daniel Veillard | ce2c2f0 | 2001-10-18 14:57:24 +0000 | [diff] [blame] | 4753 | ((CONT->parent == NULL) || |
Nick Wellnhofer | c714979 | 2022-09-01 23:15:35 +0200 | [diff] [blame] | 4754 | (CONT->parent == (xmlElementContentPtr) 1) || |
Daniel Veillard | ce2c2f0 | 2001-10-18 14:57:24 +0000 | [diff] [blame] | 4755 | (CONT->parent->type != XML_ELEMENT_CONTENT_OR)) && |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4756 | ((CONT->ocur == XML_ELEMENT_CONTENT_MULT) || |
Daniel Veillard | ca1f172 | 2001-04-20 15:47:35 +0000 | [diff] [blame] | 4757 | (CONT->ocur == XML_ELEMENT_CONTENT_OPT) || |
Daniel Veillard | 5344c60 | 2001-12-31 16:37:34 +0000 | [diff] [blame] | 4758 | ((CONT->ocur == XML_ELEMENT_CONTENT_PLUS) && (OCCURRENCE)))) { |
Daniel Veillard | 940492d | 2002-04-15 10:15:25 +0000 | [diff] [blame] | 4759 | if (vstateVPush(ctxt, CONT, NODE, DEPTH, OCCURS, ROLLBACK_PARENT) < 0) |
| 4760 | return(0); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4761 | } |
| 4762 | |
| 4763 | |
| 4764 | /* |
| 4765 | * Check first if the content matches |
| 4766 | */ |
| 4767 | switch (CONT->type) { |
| 4768 | case XML_ELEMENT_CONTENT_PCDATA: |
| 4769 | if (NODE == NULL) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4770 | ret = 0; |
| 4771 | break; |
| 4772 | } |
| 4773 | if (NODE->type == XML_TEXT_NODE) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4774 | /* |
| 4775 | * go to next element in the content model |
| 4776 | * skipping ignorable elems |
| 4777 | */ |
| 4778 | do { |
| 4779 | NODE = NODE->next; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 4780 | NODE = xmlValidateSkipIgnorable(NODE); |
| 4781 | if ((NODE != NULL) && |
| 4782 | (NODE->type == XML_ENTITY_REF_NODE)) |
| 4783 | return(-2); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4784 | } while ((NODE != NULL) && |
| 4785 | ((NODE->type != XML_ELEMENT_NODE) && |
Daniel Veillard | d6dc4cb | 2002-02-19 14:18:08 +0000 | [diff] [blame] | 4786 | (NODE->type != XML_TEXT_NODE) && |
| 4787 | (NODE->type != XML_CDATA_SECTION_NODE))); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4788 | ret = 1; |
| 4789 | break; |
| 4790 | } else { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4791 | ret = 0; |
| 4792 | break; |
| 4793 | } |
| 4794 | break; |
| 4795 | case XML_ELEMENT_CONTENT_ELEMENT: |
| 4796 | if (NODE == NULL) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4797 | ret = 0; |
| 4798 | break; |
| 4799 | } |
Daniel Veillard | 8bdd220 | 2001-06-11 12:47:59 +0000 | [diff] [blame] | 4800 | ret = ((NODE->type == XML_ELEMENT_NODE) && |
| 4801 | (xmlStrEqual(NODE->name, CONT->name))); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4802 | if (ret == 1) { |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 4803 | if ((NODE->ns == NULL) || (NODE->ns->prefix == NULL)) { |
| 4804 | ret = (CONT->prefix == NULL); |
| 4805 | } else if (CONT->prefix == NULL) { |
| 4806 | ret = 0; |
| 4807 | } else { |
| 4808 | ret = xmlStrEqual(NODE->ns->prefix, CONT->prefix); |
| 4809 | } |
| 4810 | } |
| 4811 | if (ret == 1) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4812 | /* |
| 4813 | * go to next element in the content model |
| 4814 | * skipping ignorable elems |
| 4815 | */ |
| 4816 | do { |
| 4817 | NODE = NODE->next; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 4818 | NODE = xmlValidateSkipIgnorable(NODE); |
| 4819 | if ((NODE != NULL) && |
| 4820 | (NODE->type == XML_ENTITY_REF_NODE)) |
| 4821 | return(-2); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4822 | } while ((NODE != NULL) && |
| 4823 | ((NODE->type != XML_ELEMENT_NODE) && |
Daniel Veillard | d6dc4cb | 2002-02-19 14:18:08 +0000 | [diff] [blame] | 4824 | (NODE->type != XML_TEXT_NODE) && |
| 4825 | (NODE->type != XML_CDATA_SECTION_NODE))); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4826 | } else { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4827 | ret = 0; |
| 4828 | break; |
| 4829 | } |
| 4830 | break; |
| 4831 | case XML_ELEMENT_CONTENT_OR: |
| 4832 | /* |
Daniel Veillard | 8534905 | 2001-04-20 13:48:21 +0000 | [diff] [blame] | 4833 | * Small optimization. |
| 4834 | */ |
| 4835 | if (CONT->c1->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 4836 | if ((NODE == NULL) || |
| 4837 | (!xmlStrEqual(NODE->name, CONT->c1->name))) { |
| 4838 | DEPTH++; |
| 4839 | CONT = CONT->c2; |
| 4840 | goto cont; |
| 4841 | } |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 4842 | if ((NODE->ns == NULL) || (NODE->ns->prefix == NULL)) { |
| 4843 | ret = (CONT->c1->prefix == NULL); |
| 4844 | } else if (CONT->c1->prefix == NULL) { |
| 4845 | ret = 0; |
| 4846 | } else { |
| 4847 | ret = xmlStrEqual(NODE->ns->prefix, CONT->c1->prefix); |
| 4848 | } |
| 4849 | if (ret == 0) { |
| 4850 | DEPTH++; |
| 4851 | CONT = CONT->c2; |
| 4852 | goto cont; |
| 4853 | } |
Daniel Veillard | 8534905 | 2001-04-20 13:48:21 +0000 | [diff] [blame] | 4854 | } |
| 4855 | |
| 4856 | /* |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4857 | * save the second branch 'or' branch |
| 4858 | */ |
Nick Wellnhofer | ad338ca | 2022-09-01 01:18:30 +0200 | [diff] [blame] | 4859 | if (vstateVPush(ctxt, CONT->c2, NODE, DEPTH + 1, |
Daniel Veillard | 940492d | 2002-04-15 10:15:25 +0000 | [diff] [blame] | 4860 | OCCURS, ROLLBACK_OR) < 0) |
| 4861 | return(-1); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4862 | DEPTH++; |
| 4863 | CONT = CONT->c1; |
| 4864 | goto cont; |
| 4865 | case XML_ELEMENT_CONTENT_SEQ: |
Daniel Veillard | 1d04767 | 2001-06-09 16:41:01 +0000 | [diff] [blame] | 4866 | /* |
| 4867 | * Small optimization. |
| 4868 | */ |
| 4869 | if ((CONT->c1->type == XML_ELEMENT_CONTENT_ELEMENT) && |
| 4870 | ((CONT->c1->ocur == XML_ELEMENT_CONTENT_OPT) || |
| 4871 | (CONT->c1->ocur == XML_ELEMENT_CONTENT_MULT))) { |
| 4872 | if ((NODE == NULL) || |
| 4873 | (!xmlStrEqual(NODE->name, CONT->c1->name))) { |
| 4874 | DEPTH++; |
| 4875 | CONT = CONT->c2; |
| 4876 | goto cont; |
| 4877 | } |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 4878 | if ((NODE->ns == NULL) || (NODE->ns->prefix == NULL)) { |
| 4879 | ret = (CONT->c1->prefix == NULL); |
| 4880 | } else if (CONT->c1->prefix == NULL) { |
| 4881 | ret = 0; |
| 4882 | } else { |
| 4883 | ret = xmlStrEqual(NODE->ns->prefix, CONT->c1->prefix); |
| 4884 | } |
| 4885 | if (ret == 0) { |
| 4886 | DEPTH++; |
| 4887 | CONT = CONT->c2; |
| 4888 | goto cont; |
| 4889 | } |
Daniel Veillard | 1d04767 | 2001-06-09 16:41:01 +0000 | [diff] [blame] | 4890 | } |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4891 | DEPTH++; |
| 4892 | CONT = CONT->c1; |
| 4893 | goto cont; |
| 4894 | } |
| 4895 | |
| 4896 | /* |
| 4897 | * At this point handle going up in the tree |
| 4898 | */ |
| 4899 | if (ret == -1) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4900 | return(ret); |
| 4901 | } |
| 4902 | analyze: |
| 4903 | while (CONT != NULL) { |
| 4904 | /* |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 4905 | * First do the analysis depending on the occurrence model at |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4906 | * this level. |
| 4907 | */ |
| 4908 | if (ret == 0) { |
| 4909 | switch (CONT->ocur) { |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 4910 | xmlNodePtr cur; |
| 4911 | |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4912 | case XML_ELEMENT_CONTENT_ONCE: |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 4913 | cur = ctxt->vstate->node; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4914 | if (vstateVPop(ctxt) < 0 ) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4915 | return(0); |
| 4916 | } |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 4917 | if (cur != ctxt->vstate->node) |
| 4918 | determinist = -3; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4919 | goto cont; |
| 4920 | case XML_ELEMENT_CONTENT_PLUS: |
Daniel Veillard | 5344c60 | 2001-12-31 16:37:34 +0000 | [diff] [blame] | 4921 | if (OCCURRENCE == 0) { |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 4922 | cur = ctxt->vstate->node; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4923 | if (vstateVPop(ctxt) < 0 ) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4924 | return(0); |
| 4925 | } |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 4926 | if (cur != ctxt->vstate->node) |
| 4927 | determinist = -3; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4928 | goto cont; |
| 4929 | } |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4930 | ret = 1; |
| 4931 | break; |
| 4932 | case XML_ELEMENT_CONTENT_MULT: |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4933 | ret = 1; |
| 4934 | break; |
| 4935 | case XML_ELEMENT_CONTENT_OPT: |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4936 | ret = 1; |
| 4937 | break; |
| 4938 | } |
| 4939 | } else { |
| 4940 | switch (CONT->ocur) { |
| 4941 | case XML_ELEMENT_CONTENT_OPT: |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4942 | ret = 1; |
| 4943 | break; |
| 4944 | case XML_ELEMENT_CONTENT_ONCE: |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4945 | ret = 1; |
| 4946 | break; |
| 4947 | case XML_ELEMENT_CONTENT_PLUS: |
| 4948 | if (STATE == ROLLBACK_PARENT) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4949 | ret = 1; |
| 4950 | break; |
| 4951 | } |
| 4952 | if (NODE == NULL) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4953 | ret = 1; |
| 4954 | break; |
| 4955 | } |
Daniel Veillard | 5344c60 | 2001-12-31 16:37:34 +0000 | [diff] [blame] | 4956 | SET_OCCURRENCE; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4957 | goto cont; |
| 4958 | case XML_ELEMENT_CONTENT_MULT: |
| 4959 | if (STATE == ROLLBACK_PARENT) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4960 | ret = 1; |
| 4961 | break; |
| 4962 | } |
| 4963 | if (NODE == NULL) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4964 | ret = 1; |
| 4965 | break; |
| 4966 | } |
Daniel Veillard | 5344c60 | 2001-12-31 16:37:34 +0000 | [diff] [blame] | 4967 | /* SET_OCCURRENCE; */ |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4968 | goto cont; |
| 4969 | } |
| 4970 | } |
| 4971 | STATE = 0; |
| 4972 | |
| 4973 | /* |
| 4974 | * Then act accordingly at the parent level |
| 4975 | */ |
Daniel Veillard | 5344c60 | 2001-12-31 16:37:34 +0000 | [diff] [blame] | 4976 | RESET_OCCURRENCE; |
Nick Wellnhofer | c714979 | 2022-09-01 23:15:35 +0200 | [diff] [blame] | 4977 | if ((CONT->parent == NULL) || |
| 4978 | (CONT->parent == (xmlElementContentPtr) 1)) |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4979 | break; |
| 4980 | |
| 4981 | switch (CONT->parent->type) { |
| 4982 | case XML_ELEMENT_CONTENT_PCDATA: |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4983 | return(-1); |
| 4984 | case XML_ELEMENT_CONTENT_ELEMENT: |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4985 | return(-1); |
| 4986 | case XML_ELEMENT_CONTENT_OR: |
| 4987 | if (ret == 1) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4988 | CONT = CONT->parent; |
| 4989 | DEPTH--; |
| 4990 | } else { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4991 | CONT = CONT->parent; |
| 4992 | DEPTH--; |
| 4993 | } |
| 4994 | break; |
| 4995 | case XML_ELEMENT_CONTENT_SEQ: |
| 4996 | if (ret == 0) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 4997 | CONT = CONT->parent; |
| 4998 | DEPTH--; |
| 4999 | } else if (CONT == CONT->parent->c1) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5000 | CONT = CONT->parent->c2; |
| 5001 | goto cont; |
| 5002 | } else { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5003 | CONT = CONT->parent; |
| 5004 | DEPTH--; |
| 5005 | } |
| 5006 | } |
| 5007 | } |
| 5008 | if (NODE != NULL) { |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5009 | xmlNodePtr cur; |
| 5010 | |
| 5011 | cur = ctxt->vstate->node; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5012 | if (vstateVPop(ctxt) < 0 ) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5013 | return(0); |
| 5014 | } |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5015 | if (cur != ctxt->vstate->node) |
| 5016 | determinist = -3; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5017 | goto cont; |
| 5018 | } |
| 5019 | if (ret == 0) { |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5020 | xmlNodePtr cur; |
| 5021 | |
| 5022 | cur = ctxt->vstate->node; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5023 | if (vstateVPop(ctxt) < 0 ) { |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5024 | return(0); |
| 5025 | } |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5026 | if (cur != ctxt->vstate->node) |
| 5027 | determinist = -3; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5028 | goto cont; |
| 5029 | } |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5030 | return(determinist); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5031 | } |
Daniel Veillard | 23e7357 | 2002-09-19 19:56:43 +0000 | [diff] [blame] | 5032 | #endif |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5033 | |
| 5034 | /** |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5035 | * xmlSnprintfElements: |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5036 | * @buf: an output buffer |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5037 | * @size: the size of the buffer |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5038 | * @content: An element |
| 5039 | * @glob: 1 if one must print the englobing parenthesis, 0 otherwise |
| 5040 | * |
| 5041 | * This will dump the list of elements to the buffer |
| 5042 | * Intended just for the debug routine |
| 5043 | */ |
| 5044 | static void |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5045 | xmlSnprintfElements(char *buf, int size, xmlNodePtr node, int glob) { |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5046 | xmlNodePtr cur; |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5047 | int len; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5048 | |
| 5049 | if (node == NULL) return; |
| 5050 | if (glob) strcat(buf, "("); |
| 5051 | cur = node; |
| 5052 | while (cur != NULL) { |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5053 | len = strlen(buf); |
| 5054 | if (size - len < 50) { |
| 5055 | if ((size - len > 4) && (buf[len - 1] != '.')) |
| 5056 | strcat(buf, " ..."); |
| 5057 | return; |
| 5058 | } |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5059 | switch (cur->type) { |
| 5060 | case XML_ELEMENT_NODE: |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 5061 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
Daniel Veillard | 4b3a84f | 2002-03-19 14:36:46 +0000 | [diff] [blame] | 5062 | if (size - len < xmlStrlen(cur->ns->prefix) + 10) { |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 5063 | if ((size - len > 4) && (buf[len - 1] != '.')) |
| 5064 | strcat(buf, " ..."); |
| 5065 | return; |
| 5066 | } |
| 5067 | strcat(buf, (char *) cur->ns->prefix); |
| 5068 | strcat(buf, ":"); |
| 5069 | } |
Daniel Veillard | 4b3a84f | 2002-03-19 14:36:46 +0000 | [diff] [blame] | 5070 | if (size - len < xmlStrlen(cur->name) + 10) { |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5071 | if ((size - len > 4) && (buf[len - 1] != '.')) |
| 5072 | strcat(buf, " ..."); |
| 5073 | return; |
| 5074 | } |
| 5075 | strcat(buf, (char *) cur->name); |
| 5076 | if (cur->next != NULL) |
| 5077 | strcat(buf, " "); |
| 5078 | break; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5079 | case XML_TEXT_NODE: |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5080 | if (xmlIsBlankNode(cur)) |
| 5081 | break; |
J. Peter Mugaas | d2c329a | 2017-10-21 13:49:31 +0200 | [diff] [blame] | 5082 | /* Falls through. */ |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5083 | case XML_CDATA_SECTION_NODE: |
| 5084 | case XML_ENTITY_REF_NODE: |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5085 | strcat(buf, "CDATA"); |
| 5086 | if (cur->next != NULL) |
| 5087 | strcat(buf, " "); |
| 5088 | break; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5089 | case XML_ATTRIBUTE_NODE: |
| 5090 | case XML_DOCUMENT_NODE: |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5091 | case XML_HTML_DOCUMENT_NODE: |
| 5092 | case XML_DOCUMENT_TYPE_NODE: |
| 5093 | case XML_DOCUMENT_FRAG_NODE: |
| 5094 | case XML_NOTATION_NODE: |
| 5095 | case XML_NAMESPACE_DECL: |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5096 | strcat(buf, "???"); |
| 5097 | if (cur->next != NULL) |
| 5098 | strcat(buf, " "); |
| 5099 | break; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5100 | case XML_ENTITY_NODE: |
| 5101 | case XML_PI_NODE: |
| 5102 | case XML_DTD_NODE: |
| 5103 | case XML_COMMENT_NODE: |
| 5104 | case XML_ELEMENT_DECL: |
| 5105 | case XML_ATTRIBUTE_DECL: |
| 5106 | case XML_ENTITY_DECL: |
| 5107 | case XML_XINCLUDE_START: |
| 5108 | case XML_XINCLUDE_END: |
Daniel Veillard | d3d0672 | 2001-08-15 12:06:36 +0000 | [diff] [blame] | 5109 | break; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5110 | } |
| 5111 | cur = cur->next; |
| 5112 | } |
| 5113 | if (glob) strcat(buf, ")"); |
| 5114 | } |
| 5115 | |
| 5116 | /** |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5117 | * xmlValidateElementContent: |
| 5118 | * @ctxt: the validation context |
| 5119 | * @child: the child list |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 5120 | * @elemDecl: pointer to the element declaration |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5121 | * @warn: emit the error message |
Daniel Veillard | b9cd8b4 | 2002-09-05 10:58:49 +0000 | [diff] [blame] | 5122 | * @parent: the parent element (for error reporting) |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5123 | * |
| 5124 | * Try to validate the content model of an element |
| 5125 | * |
| 5126 | * returns 1 if valid or 0 if not and -1 in case of error |
| 5127 | */ |
| 5128 | |
| 5129 | static int |
| 5130 | xmlValidateElementContent(xmlValidCtxtPtr ctxt, xmlNodePtr child, |
Daniel Veillard | b9cd8b4 | 2002-09-05 10:58:49 +0000 | [diff] [blame] | 5131 | xmlElementPtr elemDecl, int warn, xmlNodePtr parent) { |
Daniel Veillard | 5acfd6b | 2002-09-18 16:29:02 +0000 | [diff] [blame] | 5132 | int ret = 1; |
Daniel Veillard | 23e7357 | 2002-09-19 19:56:43 +0000 | [diff] [blame] | 5133 | #ifndef LIBXML_REGEXP_ENABLED |
Daniel Veillard | 01992e0 | 2002-10-09 10:20:30 +0000 | [diff] [blame] | 5134 | xmlNodePtr repl = NULL, last = NULL, tmp; |
Daniel Veillard | 23e7357 | 2002-09-19 19:56:43 +0000 | [diff] [blame] | 5135 | #endif |
Daniel Veillard | 01992e0 | 2002-10-09 10:20:30 +0000 | [diff] [blame] | 5136 | xmlNodePtr cur; |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 5137 | xmlElementContentPtr cont; |
| 5138 | const xmlChar *name; |
| 5139 | |
Gaurav | c570b37 | 2013-09-30 10:43:47 +0800 | [diff] [blame] | 5140 | if ((elemDecl == NULL) || (parent == NULL) || (ctxt == NULL)) |
Daniel Veillard | be480fb | 2001-11-08 23:36:42 +0000 | [diff] [blame] | 5141 | return(-1); |
| 5142 | cont = elemDecl->content; |
| 5143 | name = elemDecl->name; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5144 | |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 5145 | #ifdef LIBXML_REGEXP_ENABLED |
| 5146 | /* Build the regexp associated to the content model */ |
| 5147 | if (elemDecl->contModel == NULL) |
| 5148 | ret = xmlValidBuildContentModel(ctxt, elemDecl); |
| 5149 | if (elemDecl->contModel == NULL) { |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 5150 | return(-1); |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 5151 | } else { |
| 5152 | xmlRegExecCtxtPtr exec; |
| 5153 | |
Daniel Veillard | ec498e1 | 2003-02-05 11:01:50 +0000 | [diff] [blame] | 5154 | if (!xmlRegexpIsDeterminist(elemDecl->contModel)) { |
| 5155 | return(-1); |
| 5156 | } |
Daniel Veillard | 01992e0 | 2002-10-09 10:20:30 +0000 | [diff] [blame] | 5157 | ctxt->nodeMax = 0; |
| 5158 | ctxt->nodeNr = 0; |
| 5159 | ctxt->nodeTab = NULL; |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 5160 | exec = xmlRegNewExecCtxt(elemDecl->contModel, NULL, NULL); |
| 5161 | if (exec != NULL) { |
| 5162 | cur = child; |
| 5163 | while (cur != NULL) { |
| 5164 | switch (cur->type) { |
| 5165 | case XML_ENTITY_REF_NODE: |
| 5166 | /* |
| 5167 | * Push the current node to be able to roll back |
| 5168 | * and process within the entity |
| 5169 | */ |
| 5170 | if ((cur->children != NULL) && |
| 5171 | (cur->children->children != NULL)) { |
| 5172 | nodeVPush(ctxt, cur); |
| 5173 | cur = cur->children->children; |
| 5174 | continue; |
| 5175 | } |
| 5176 | break; |
| 5177 | case XML_TEXT_NODE: |
| 5178 | if (xmlIsBlankNode(cur)) |
| 5179 | break; |
| 5180 | ret = 0; |
| 5181 | goto fail; |
| 5182 | case XML_CDATA_SECTION_NODE: |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5183 | /* TODO */ |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 5184 | ret = 0; |
| 5185 | goto fail; |
| 5186 | case XML_ELEMENT_NODE: |
| 5187 | if ((cur->ns != NULL) && (cur->ns->prefix != NULL)) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5188 | xmlChar fn[50]; |
| 5189 | xmlChar *fullname; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5190 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5191 | fullname = xmlBuildQName(cur->name, |
| 5192 | cur->ns->prefix, fn, 50); |
| 5193 | if (fullname == NULL) { |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 5194 | ret = -1; |
| 5195 | goto fail; |
| 5196 | } |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5197 | ret = xmlRegExecPushString(exec, fullname, NULL); |
| 5198 | if ((fullname != fn) && (fullname != cur->name)) |
| 5199 | xmlFree(fullname); |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 5200 | } else { |
| 5201 | ret = xmlRegExecPushString(exec, cur->name, NULL); |
| 5202 | } |
| 5203 | break; |
| 5204 | default: |
| 5205 | break; |
| 5206 | } |
| 5207 | /* |
| 5208 | * Switch to next element |
| 5209 | */ |
| 5210 | cur = cur->next; |
| 5211 | while (cur == NULL) { |
| 5212 | cur = nodeVPop(ctxt); |
| 5213 | if (cur == NULL) |
| 5214 | break; |
| 5215 | cur = cur->next; |
| 5216 | } |
| 5217 | } |
| 5218 | ret = xmlRegExecPushString(exec, NULL, NULL); |
| 5219 | fail: |
| 5220 | xmlRegFreeExecCtxt(exec); |
| 5221 | } |
| 5222 | } |
| 5223 | #else /* LIBXML_REGEXP_ENABLED */ |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5224 | /* |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5225 | * Allocate the stack |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5226 | */ |
| 5227 | ctxt->vstateMax = 8; |
| 5228 | ctxt->vstateTab = (xmlValidState *) xmlMalloc( |
| 5229 | ctxt->vstateMax * sizeof(ctxt->vstateTab[0])); |
| 5230 | if (ctxt->vstateTab == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 5231 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5232 | return(-1); |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5233 | } |
| 5234 | /* |
| 5235 | * The first entry in the stack is reserved to the current state |
| 5236 | */ |
Daniel Veillard | a9142e7 | 2001-06-19 11:07:54 +0000 | [diff] [blame] | 5237 | ctxt->nodeMax = 0; |
| 5238 | ctxt->nodeNr = 0; |
Daniel Veillard | 61b33d5 | 2001-04-24 13:55:12 +0000 | [diff] [blame] | 5239 | ctxt->nodeTab = NULL; |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5240 | ctxt->vstate = &ctxt->vstateTab[0]; |
| 5241 | ctxt->vstateNr = 1; |
| 5242 | CONT = cont; |
| 5243 | NODE = child; |
| 5244 | DEPTH = 0; |
| 5245 | OCCURS = 0; |
| 5246 | STATE = 0; |
| 5247 | ret = xmlValidateElementType(ctxt); |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5248 | if ((ret == -3) && (warn)) { |
Nick Wellnhofer | c714979 | 2022-09-01 23:15:35 +0200 | [diff] [blame] | 5249 | char expr[5000]; |
| 5250 | expr[0] = 0; |
| 5251 | xmlSnprintfElementContent(expr, 5000, elemDecl->content, 1); |
| 5252 | xmlErrValidNode(ctxt, (xmlNodePtr) elemDecl, |
| 5253 | XML_DTD_CONTENT_NOT_DETERMINIST, |
| 5254 | "Content model of %s is not deterministic: %s\n", |
| 5255 | name, BAD_CAST expr, NULL); |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5256 | } else if (ret == -2) { |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5257 | /* |
| 5258 | * An entities reference appeared at this level. |
Nick Wellnhofer | 20c6088 | 2020-03-08 17:19:42 +0100 | [diff] [blame] | 5259 | * Build a minimal representation of this node content |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5260 | * sufficient to run the validation process on it |
| 5261 | */ |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5262 | cur = child; |
| 5263 | while (cur != NULL) { |
| 5264 | switch (cur->type) { |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5265 | case XML_ENTITY_REF_NODE: |
| 5266 | /* |
| 5267 | * Push the current node to be able to roll back |
| 5268 | * and process within the entity |
| 5269 | */ |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5270 | if ((cur->children != NULL) && |
| 5271 | (cur->children->children != NULL)) { |
| 5272 | nodeVPush(ctxt, cur); |
| 5273 | cur = cur->children->children; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5274 | continue; |
| 5275 | } |
Daniel Veillard | 64b98c0 | 2001-06-17 17:20:21 +0000 | [diff] [blame] | 5276 | break; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5277 | case XML_TEXT_NODE: |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5278 | if (xmlIsBlankNode(cur)) |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5279 | break; |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5280 | /* no break on purpose */ |
Daniel Veillard | d6dc4cb | 2002-02-19 14:18:08 +0000 | [diff] [blame] | 5281 | case XML_CDATA_SECTION_NODE: |
| 5282 | /* no break on purpose */ |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5283 | case XML_ELEMENT_NODE: |
| 5284 | /* |
| 5285 | * Allocate a new node and minimally fills in |
| 5286 | * what's required |
| 5287 | */ |
| 5288 | tmp = (xmlNodePtr) xmlMalloc(sizeof(xmlNode)); |
| 5289 | if (tmp == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 5290 | xmlVErrMemory(ctxt, "malloc failed"); |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5291 | xmlFreeNodeList(repl); |
| 5292 | ret = -1; |
| 5293 | goto done; |
| 5294 | } |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5295 | tmp->type = cur->type; |
| 5296 | tmp->name = cur->name; |
| 5297 | tmp->ns = cur->ns; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5298 | tmp->next = NULL; |
Daniel Veillard | ed472f3 | 2001-12-13 08:48:14 +0000 | [diff] [blame] | 5299 | tmp->content = NULL; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5300 | if (repl == NULL) |
| 5301 | repl = last = tmp; |
| 5302 | else { |
| 5303 | last->next = tmp; |
| 5304 | last = tmp; |
| 5305 | } |
Daniel Veillard | d6dc4cb | 2002-02-19 14:18:08 +0000 | [diff] [blame] | 5306 | if (cur->type == XML_CDATA_SECTION_NODE) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5307 | /* |
Daniel Veillard | d6dc4cb | 2002-02-19 14:18:08 +0000 | [diff] [blame] | 5308 | * E59 spaces in CDATA does not match the |
| 5309 | * nonterminal S |
| 5310 | */ |
| 5311 | tmp->content = xmlStrdup(BAD_CAST "CDATA"); |
| 5312 | } |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5313 | break; |
| 5314 | default: |
| 5315 | break; |
| 5316 | } |
| 5317 | /* |
| 5318 | * Switch to next element |
| 5319 | */ |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5320 | cur = cur->next; |
| 5321 | while (cur == NULL) { |
| 5322 | cur = nodeVPop(ctxt); |
| 5323 | if (cur == NULL) |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5324 | break; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5325 | cur = cur->next; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5326 | } |
| 5327 | } |
| 5328 | |
| 5329 | /* |
| 5330 | * Relaunch the validation |
| 5331 | */ |
| 5332 | ctxt->vstate = &ctxt->vstateTab[0]; |
| 5333 | ctxt->vstateNr = 1; |
| 5334 | CONT = cont; |
| 5335 | NODE = repl; |
| 5336 | DEPTH = 0; |
| 5337 | OCCURS = 0; |
| 5338 | STATE = 0; |
| 5339 | ret = xmlValidateElementType(ctxt); |
| 5340 | } |
Daniel Veillard | a646cfd | 2002-09-17 21:50:03 +0000 | [diff] [blame] | 5341 | #endif /* LIBXML_REGEXP_ENABLED */ |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5342 | if ((warn) && ((ret != 1) && (ret != -3))) { |
Daniel Veillard | 6ad5c4a | 2006-10-11 16:43:06 +0000 | [diff] [blame] | 5343 | if (ctxt != NULL) { |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5344 | char expr[5000]; |
| 5345 | char list[5000]; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5346 | |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5347 | expr[0] = 0; |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 5348 | xmlSnprintfElementContent(&expr[0], 5000, cont, 1); |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5349 | list[0] = 0; |
Daniel Veillard | 01992e0 | 2002-10-09 10:20:30 +0000 | [diff] [blame] | 5350 | #ifndef LIBXML_REGEXP_ENABLED |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5351 | if (repl != NULL) |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 5352 | xmlSnprintfElements(&list[0], 5000, repl, 1); |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5353 | else |
Daniel Veillard | 01992e0 | 2002-10-09 10:20:30 +0000 | [diff] [blame] | 5354 | #endif /* LIBXML_REGEXP_ENABLED */ |
Daniel Veillard | a76fe5c | 2003-04-24 16:06:47 +0000 | [diff] [blame] | 5355 | xmlSnprintfElements(&list[0], 5000, child, 1); |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5356 | |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5357 | if (name != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5358 | xmlErrValidNode(ctxt, parent, XML_DTD_CONTENT_MODEL, |
| 5359 | "Element %s content does not follow the DTD, expecting %s, got %s\n", |
| 5360 | name, BAD_CAST expr, BAD_CAST list); |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5361 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5362 | xmlErrValidNode(ctxt, parent, XML_DTD_CONTENT_MODEL, |
| 5363 | "Element content does not follow the DTD, expecting %s, got %s\n", |
| 5364 | BAD_CAST expr, BAD_CAST list, NULL); |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5365 | } |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5366 | } else { |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5367 | if (name != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5368 | xmlErrValidNode(ctxt, parent, XML_DTD_CONTENT_MODEL, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 5369 | "Element %s content does not follow the DTD\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5370 | name, NULL, NULL); |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5371 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5372 | xmlErrValidNode(ctxt, parent, XML_DTD_CONTENT_MODEL, |
| 5373 | "Element content does not follow the DTD\n", |
| 5374 | NULL, NULL, NULL); |
Daniel Veillard | b4545fd | 2001-11-20 09:37:09 +0000 | [diff] [blame] | 5375 | } |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5376 | } |
| 5377 | ret = 0; |
| 5378 | } |
Daniel Veillard | 4de4d3b | 2001-05-07 20:50:47 +0000 | [diff] [blame] | 5379 | if (ret == -3) |
| 5380 | ret = 1; |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5381 | |
Daniel Veillard | 23e7357 | 2002-09-19 19:56:43 +0000 | [diff] [blame] | 5382 | #ifndef LIBXML_REGEXP_ENABLED |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5383 | done: |
| 5384 | /* |
| 5385 | * Deallocate the copy if done, and free up the validation stack |
| 5386 | */ |
| 5387 | while (repl != NULL) { |
| 5388 | tmp = repl->next; |
| 5389 | xmlFree(repl); |
| 5390 | repl = tmp; |
| 5391 | } |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5392 | ctxt->vstateMax = 0; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5393 | if (ctxt->vstateTab != NULL) { |
| 5394 | xmlFree(ctxt->vstateTab); |
| 5395 | ctxt->vstateTab = NULL; |
| 5396 | } |
Daniel Veillard | 01992e0 | 2002-10-09 10:20:30 +0000 | [diff] [blame] | 5397 | #endif |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5398 | ctxt->nodeMax = 0; |
Daniel Veillard | a9142e7 | 2001-06-19 11:07:54 +0000 | [diff] [blame] | 5399 | ctxt->nodeNr = 0; |
Daniel Veillard | 34b1b3a | 2001-04-21 14:16:10 +0000 | [diff] [blame] | 5400 | if (ctxt->nodeTab != NULL) { |
| 5401 | xmlFree(ctxt->nodeTab); |
| 5402 | ctxt->nodeTab = NULL; |
| 5403 | } |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5404 | return(ret); |
Daniel Veillard | 1c14b8d | 2001-04-21 10:28:59 +0000 | [diff] [blame] | 5405 | |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5406 | } |
Daniel Veillard | dab4cb3 | 2001-04-20 13:03:48 +0000 | [diff] [blame] | 5407 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5408 | /** |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5409 | * xmlValidateCdataElement: |
| 5410 | * @ctxt: the validation context |
| 5411 | * @doc: a document instance |
| 5412 | * @elem: an element instance |
| 5413 | * |
| 5414 | * Check that an element follows #CDATA |
| 5415 | * |
| 5416 | * returns 1 if valid or 0 otherwise |
| 5417 | */ |
| 5418 | static int |
| 5419 | xmlValidateOneCdataElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 5420 | xmlNodePtr elem) { |
| 5421 | int ret = 1; |
| 5422 | xmlNodePtr cur, child; |
| 5423 | |
Daniel Veillard | 3e62adb | 2012-08-09 14:24:02 +0800 | [diff] [blame] | 5424 | if ((ctxt == NULL) || (doc == NULL) || (elem == NULL) || |
| 5425 | (elem->type != XML_ELEMENT_NODE)) |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5426 | return(0); |
| 5427 | |
| 5428 | child = elem->children; |
| 5429 | |
| 5430 | cur = child; |
| 5431 | while (cur != NULL) { |
| 5432 | switch (cur->type) { |
| 5433 | case XML_ENTITY_REF_NODE: |
| 5434 | /* |
| 5435 | * Push the current node to be able to roll back |
| 5436 | * and process within the entity |
| 5437 | */ |
| 5438 | if ((cur->children != NULL) && |
| 5439 | (cur->children->children != NULL)) { |
| 5440 | nodeVPush(ctxt, cur); |
| 5441 | cur = cur->children->children; |
| 5442 | continue; |
| 5443 | } |
| 5444 | break; |
| 5445 | case XML_COMMENT_NODE: |
| 5446 | case XML_PI_NODE: |
| 5447 | case XML_TEXT_NODE: |
| 5448 | case XML_CDATA_SECTION_NODE: |
| 5449 | break; |
| 5450 | default: |
| 5451 | ret = 0; |
| 5452 | goto done; |
| 5453 | } |
| 5454 | /* |
| 5455 | * Switch to next element |
| 5456 | */ |
| 5457 | cur = cur->next; |
| 5458 | while (cur == NULL) { |
| 5459 | cur = nodeVPop(ctxt); |
| 5460 | if (cur == NULL) |
| 5461 | break; |
| 5462 | cur = cur->next; |
| 5463 | } |
| 5464 | } |
| 5465 | done: |
| 5466 | ctxt->nodeMax = 0; |
| 5467 | ctxt->nodeNr = 0; |
| 5468 | if (ctxt->nodeTab != NULL) { |
| 5469 | xmlFree(ctxt->nodeTab); |
| 5470 | ctxt->nodeTab = NULL; |
| 5471 | } |
| 5472 | return(ret); |
| 5473 | } |
| 5474 | |
Nick Wellnhofer | c714979 | 2022-09-01 23:15:35 +0200 | [diff] [blame] | 5475 | #ifdef LIBXML_REGEXP_ENABLED |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5476 | /** |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5477 | * xmlValidateCheckMixed: |
| 5478 | * @ctxt: the validation context |
| 5479 | * @cont: the mixed content model |
| 5480 | * @qname: the qualified name as appearing in the serialization |
| 5481 | * |
| 5482 | * Check if the given node is part of the content model. |
| 5483 | * |
| 5484 | * Returns 1 if yes, 0 if no, -1 in case of error |
| 5485 | */ |
| 5486 | static int |
William M. Brack | edb65a7 | 2004-02-06 07:36:04 +0000 | [diff] [blame] | 5487 | xmlValidateCheckMixed(xmlValidCtxtPtr ctxt, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5488 | xmlElementContentPtr cont, const xmlChar *qname) { |
Daniel Veillard | 8d73bcb | 2003-08-04 01:06:15 +0000 | [diff] [blame] | 5489 | const xmlChar *name; |
| 5490 | int plen; |
| 5491 | name = xmlSplitQName3(qname, &plen); |
| 5492 | |
| 5493 | if (name == NULL) { |
| 5494 | while (cont != NULL) { |
| 5495 | if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 5496 | if ((cont->prefix == NULL) && (xmlStrEqual(cont->name, qname))) |
| 5497 | return(1); |
| 5498 | } else if ((cont->type == XML_ELEMENT_CONTENT_OR) && |
| 5499 | (cont->c1 != NULL) && |
| 5500 | (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)){ |
| 5501 | if ((cont->c1->prefix == NULL) && |
| 5502 | (xmlStrEqual(cont->c1->name, qname))) |
| 5503 | return(1); |
| 5504 | } else if ((cont->type != XML_ELEMENT_CONTENT_OR) || |
| 5505 | (cont->c1 == NULL) || |
| 5506 | (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)){ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5507 | xmlErrValid(NULL, XML_DTD_MIXED_CORRUPT, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 5508 | "Internal: MIXED struct corrupted\n", |
| 5509 | NULL); |
Daniel Veillard | 8d73bcb | 2003-08-04 01:06:15 +0000 | [diff] [blame] | 5510 | break; |
| 5511 | } |
| 5512 | cont = cont->c2; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5513 | } |
Daniel Veillard | 8d73bcb | 2003-08-04 01:06:15 +0000 | [diff] [blame] | 5514 | } else { |
| 5515 | while (cont != NULL) { |
| 5516 | if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 5517 | if ((cont->prefix != NULL) && |
| 5518 | (xmlStrncmp(cont->prefix, qname, plen) == 0) && |
| 5519 | (xmlStrEqual(cont->name, name))) |
| 5520 | return(1); |
| 5521 | } else if ((cont->type == XML_ELEMENT_CONTENT_OR) && |
| 5522 | (cont->c1 != NULL) && |
| 5523 | (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)){ |
| 5524 | if ((cont->c1->prefix != NULL) && |
| 5525 | (xmlStrncmp(cont->c1->prefix, qname, plen) == 0) && |
| 5526 | (xmlStrEqual(cont->c1->name, name))) |
| 5527 | return(1); |
| 5528 | } else if ((cont->type != XML_ELEMENT_CONTENT_OR) || |
| 5529 | (cont->c1 == NULL) || |
| 5530 | (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)){ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5531 | xmlErrValid(ctxt, XML_DTD_MIXED_CORRUPT, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 5532 | "Internal: MIXED struct corrupted\n", |
| 5533 | NULL); |
Daniel Veillard | 8d73bcb | 2003-08-04 01:06:15 +0000 | [diff] [blame] | 5534 | break; |
| 5535 | } |
| 5536 | cont = cont->c2; |
| 5537 | } |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5538 | } |
| 5539 | return(0); |
| 5540 | } |
Nick Wellnhofer | c714979 | 2022-09-01 23:15:35 +0200 | [diff] [blame] | 5541 | #endif /* LIBXML_REGEXP_ENABLED */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5542 | |
| 5543 | /** |
| 5544 | * xmlValidGetElemDecl: |
| 5545 | * @ctxt: the validation context |
| 5546 | * @doc: a document instance |
| 5547 | * @elem: an element instance |
| 5548 | * @extsubset: pointer, (out) indicate if the declaration was found |
| 5549 | * in the external subset. |
| 5550 | * |
| 5551 | * Finds a declaration associated to an element in the document. |
| 5552 | * |
| 5553 | * returns the pointer to the declaration or NULL if not found. |
| 5554 | */ |
| 5555 | static xmlElementPtr |
| 5556 | xmlValidGetElemDecl(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 5557 | xmlNodePtr elem, int *extsubset) { |
| 5558 | xmlElementPtr elemDecl = NULL; |
| 5559 | const xmlChar *prefix = NULL; |
| 5560 | |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5561 | if ((ctxt == NULL) || (doc == NULL) || |
Daniel Veillard | c0be74b | 2004-11-03 19:16:55 +0000 | [diff] [blame] | 5562 | (elem == NULL) || (elem->name == NULL)) |
| 5563 | return(NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5564 | if (extsubset != NULL) |
| 5565 | *extsubset = 0; |
| 5566 | |
| 5567 | /* |
| 5568 | * Fetch the declaration for the qualified name |
| 5569 | */ |
| 5570 | if ((elem->ns != NULL) && (elem->ns->prefix != NULL)) |
| 5571 | prefix = elem->ns->prefix; |
| 5572 | |
| 5573 | if (prefix != NULL) { |
| 5574 | elemDecl = xmlGetDtdQElementDesc(doc->intSubset, |
| 5575 | elem->name, prefix); |
| 5576 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) { |
| 5577 | elemDecl = xmlGetDtdQElementDesc(doc->extSubset, |
| 5578 | elem->name, prefix); |
| 5579 | if ((elemDecl != NULL) && (extsubset != NULL)) |
| 5580 | *extsubset = 1; |
| 5581 | } |
| 5582 | } |
| 5583 | |
| 5584 | /* |
| 5585 | * Fetch the declaration for the non qualified name |
| 5586 | * This is "non-strict" validation should be done on the |
| 5587 | * full QName but in that case being flexible makes sense. |
| 5588 | */ |
| 5589 | if (elemDecl == NULL) { |
| 5590 | elemDecl = xmlGetDtdElementDesc(doc->intSubset, elem->name); |
| 5591 | if ((elemDecl == NULL) && (doc->extSubset != NULL)) { |
| 5592 | elemDecl = xmlGetDtdElementDesc(doc->extSubset, elem->name); |
| 5593 | if ((elemDecl != NULL) && (extsubset != NULL)) |
| 5594 | *extsubset = 1; |
| 5595 | } |
| 5596 | } |
| 5597 | if (elemDecl == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5598 | xmlErrValidNode(ctxt, elem, |
| 5599 | XML_DTD_UNKNOWN_ELEM, |
| 5600 | "No declaration for element %s\n", |
| 5601 | elem->name, NULL, NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5602 | } |
| 5603 | return(elemDecl); |
| 5604 | } |
| 5605 | |
Daniel Veillard | 0e298ad | 2003-02-04 16:14:33 +0000 | [diff] [blame] | 5606 | #ifdef LIBXML_REGEXP_ENABLED |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5607 | /** |
| 5608 | * xmlValidatePushElement: |
| 5609 | * @ctxt: the validation context |
| 5610 | * @doc: a document instance |
| 5611 | * @elem: an element instance |
| 5612 | * @qname: the qualified name as appearing in the serialization |
| 5613 | * |
| 5614 | * Push a new element start on the validation stack. |
| 5615 | * |
| 5616 | * returns 1 if no validation problem was found or 0 otherwise |
| 5617 | */ |
| 5618 | int |
| 5619 | xmlValidatePushElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 5620 | xmlNodePtr elem, const xmlChar *qname) { |
| 5621 | int ret = 1; |
| 5622 | xmlElementPtr eDecl; |
| 5623 | int extsubset = 0; |
| 5624 | |
Daniel Veillard | c0be74b | 2004-11-03 19:16:55 +0000 | [diff] [blame] | 5625 | if (ctxt == NULL) |
| 5626 | return(0); |
Daniel Veillard | ef8dd7b | 2003-03-23 12:02:56 +0000 | [diff] [blame] | 5627 | /* printf("PushElem %s\n", qname); */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5628 | if ((ctxt->vstateNr > 0) && (ctxt->vstate != NULL)) { |
| 5629 | xmlValidStatePtr state = ctxt->vstate; |
| 5630 | xmlElementPtr elemDecl; |
| 5631 | |
| 5632 | /* |
Nick Wellnhofer | 8bbe450 | 2017-06-17 16:15:09 +0200 | [diff] [blame] | 5633 | * Check the new element against the content model of the new elem. |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5634 | */ |
| 5635 | if (state->elemDecl != NULL) { |
| 5636 | elemDecl = state->elemDecl; |
| 5637 | |
| 5638 | switch(elemDecl->etype) { |
| 5639 | case XML_ELEMENT_TYPE_UNDEFINED: |
| 5640 | ret = 0; |
| 5641 | break; |
| 5642 | case XML_ELEMENT_TYPE_EMPTY: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5643 | xmlErrValidNode(ctxt, state->node, |
| 5644 | XML_DTD_NOT_EMPTY, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5645 | "Element %s was declared EMPTY this one has content\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5646 | state->node->name, NULL, NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5647 | ret = 0; |
| 5648 | break; |
| 5649 | case XML_ELEMENT_TYPE_ANY: |
| 5650 | /* I don't think anything is required then */ |
| 5651 | break; |
| 5652 | case XML_ELEMENT_TYPE_MIXED: |
| 5653 | /* simple case of declared as #PCDATA */ |
| 5654 | if ((elemDecl->content != NULL) && |
| 5655 | (elemDecl->content->type == |
| 5656 | XML_ELEMENT_CONTENT_PCDATA)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5657 | xmlErrValidNode(ctxt, state->node, |
| 5658 | XML_DTD_NOT_PCDATA, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5659 | "Element %s was declared #PCDATA but contains non text nodes\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5660 | state->node->name, NULL, NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5661 | ret = 0; |
| 5662 | } else { |
| 5663 | ret = xmlValidateCheckMixed(ctxt, elemDecl->content, |
| 5664 | qname); |
| 5665 | if (ret != 1) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5666 | xmlErrValidNode(ctxt, state->node, |
| 5667 | XML_DTD_INVALID_CHILD, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5668 | "Element %s is not declared in %s list of possible children\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5669 | qname, state->node->name, NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5670 | } |
| 5671 | } |
| 5672 | break; |
| 5673 | case XML_ELEMENT_TYPE_ELEMENT: |
| 5674 | /* |
| 5675 | * TODO: |
| 5676 | * VC: Standalone Document Declaration |
| 5677 | * - element types with element content, if white space |
| 5678 | * occurs directly within any instance of those types. |
| 5679 | */ |
| 5680 | if (state->exec != NULL) { |
| 5681 | ret = xmlRegExecPushString(state->exec, qname, NULL); |
| 5682 | if (ret < 0) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5683 | xmlErrValidNode(ctxt, state->node, |
| 5684 | XML_DTD_CONTENT_MODEL, |
| 5685 | "Element %s content does not follow the DTD, Misplaced %s\n", |
| 5686 | state->node->name, qname, NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5687 | ret = 0; |
| 5688 | } else { |
| 5689 | ret = 1; |
| 5690 | } |
| 5691 | } |
| 5692 | break; |
| 5693 | } |
| 5694 | } |
| 5695 | } |
| 5696 | eDecl = xmlValidGetElemDecl(ctxt, doc, elem, &extsubset); |
| 5697 | vstateVPush(ctxt, eDecl, elem); |
| 5698 | return(ret); |
| 5699 | } |
| 5700 | |
| 5701 | /** |
| 5702 | * xmlValidatePushCData: |
| 5703 | * @ctxt: the validation context |
| 5704 | * @data: some character data read |
Michael Wood | fb27e2c | 2012-09-28 08:59:33 +0200 | [diff] [blame] | 5705 | * @len: the length of the data |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5706 | * |
| 5707 | * check the CData parsed for validation in the current stack |
| 5708 | * |
| 5709 | * returns 1 if no validation problem was found or 0 otherwise |
| 5710 | */ |
| 5711 | int |
| 5712 | xmlValidatePushCData(xmlValidCtxtPtr ctxt, const xmlChar *data, int len) { |
| 5713 | int ret = 1; |
| 5714 | |
Daniel Veillard | ef8dd7b | 2003-03-23 12:02:56 +0000 | [diff] [blame] | 5715 | /* printf("CDATA %s %d\n", data, len); */ |
Daniel Veillard | c0be74b | 2004-11-03 19:16:55 +0000 | [diff] [blame] | 5716 | if (ctxt == NULL) |
| 5717 | return(0); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5718 | if (len <= 0) |
| 5719 | return(ret); |
| 5720 | if ((ctxt->vstateNr > 0) && (ctxt->vstate != NULL)) { |
| 5721 | xmlValidStatePtr state = ctxt->vstate; |
| 5722 | xmlElementPtr elemDecl; |
| 5723 | |
| 5724 | /* |
Nick Wellnhofer | 8bbe450 | 2017-06-17 16:15:09 +0200 | [diff] [blame] | 5725 | * Check the new element against the content model of the new elem. |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5726 | */ |
| 5727 | if (state->elemDecl != NULL) { |
| 5728 | elemDecl = state->elemDecl; |
| 5729 | |
| 5730 | switch(elemDecl->etype) { |
| 5731 | case XML_ELEMENT_TYPE_UNDEFINED: |
| 5732 | ret = 0; |
| 5733 | break; |
| 5734 | case XML_ELEMENT_TYPE_EMPTY: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5735 | xmlErrValidNode(ctxt, state->node, |
| 5736 | XML_DTD_NOT_EMPTY, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5737 | "Element %s was declared EMPTY this one has content\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5738 | state->node->name, NULL, NULL); |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5739 | ret = 0; |
| 5740 | break; |
| 5741 | case XML_ELEMENT_TYPE_ANY: |
| 5742 | break; |
| 5743 | case XML_ELEMENT_TYPE_MIXED: |
| 5744 | break; |
Nick Wellnhofer | 9bd7abf | 2020-01-02 14:14:48 +0100 | [diff] [blame] | 5745 | case XML_ELEMENT_TYPE_ELEMENT: { |
| 5746 | int i; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5747 | |
Nick Wellnhofer | 9bd7abf | 2020-01-02 14:14:48 +0100 | [diff] [blame] | 5748 | for (i = 0;i < len;i++) { |
| 5749 | if (!IS_BLANK_CH(data[i])) { |
| 5750 | xmlErrValidNode(ctxt, state->node, |
| 5751 | XML_DTD_CONTENT_MODEL, |
| 5752 | "Element %s content does not follow the DTD, Text not allowed\n", |
| 5753 | state->node->name, NULL, NULL); |
| 5754 | ret = 0; |
| 5755 | goto done; |
| 5756 | } |
| 5757 | } |
| 5758 | /* |
| 5759 | * TODO: |
| 5760 | * VC: Standalone Document Declaration |
| 5761 | * element types with element content, if white space |
| 5762 | * occurs directly within any instance of those types. |
| 5763 | */ |
| 5764 | break; |
| 5765 | } |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5766 | } |
| 5767 | } |
| 5768 | } |
| 5769 | done: |
| 5770 | return(ret); |
| 5771 | } |
| 5772 | |
| 5773 | /** |
| 5774 | * xmlValidatePopElement: |
| 5775 | * @ctxt: the validation context |
| 5776 | * @doc: a document instance |
| 5777 | * @elem: an element instance |
| 5778 | * @qname: the qualified name as appearing in the serialization |
| 5779 | * |
| 5780 | * Pop the element end from the validation stack. |
| 5781 | * |
| 5782 | * returns 1 if no validation problem was found or 0 otherwise |
| 5783 | */ |
| 5784 | int |
| 5785 | xmlValidatePopElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc ATTRIBUTE_UNUSED, |
Daniel Veillard | 580ced8 | 2003-03-21 21:22:48 +0000 | [diff] [blame] | 5786 | xmlNodePtr elem ATTRIBUTE_UNUSED, |
| 5787 | const xmlChar *qname ATTRIBUTE_UNUSED) { |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5788 | int ret = 1; |
| 5789 | |
Daniel Veillard | c0be74b | 2004-11-03 19:16:55 +0000 | [diff] [blame] | 5790 | if (ctxt == NULL) |
| 5791 | return(0); |
Daniel Veillard | ef8dd7b | 2003-03-23 12:02:56 +0000 | [diff] [blame] | 5792 | /* printf("PopElem %s\n", qname); */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5793 | if ((ctxt->vstateNr > 0) && (ctxt->vstate != NULL)) { |
| 5794 | xmlValidStatePtr state = ctxt->vstate; |
| 5795 | xmlElementPtr elemDecl; |
| 5796 | |
| 5797 | /* |
Nick Wellnhofer | 8bbe450 | 2017-06-17 16:15:09 +0200 | [diff] [blame] | 5798 | * Check the new element against the content model of the new elem. |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5799 | */ |
| 5800 | if (state->elemDecl != NULL) { |
| 5801 | elemDecl = state->elemDecl; |
| 5802 | |
| 5803 | if (elemDecl->etype == XML_ELEMENT_TYPE_ELEMENT) { |
| 5804 | if (state->exec != NULL) { |
| 5805 | ret = xmlRegExecPushString(state->exec, NULL, NULL); |
David Kilzer | cb1b8b8 | 2023-04-10 13:06:18 -0700 | [diff] [blame] | 5806 | if (ret <= 0) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5807 | xmlErrValidNode(ctxt, state->node, |
| 5808 | XML_DTD_CONTENT_MODEL, |
David Kilzer | cb1b8b8 | 2023-04-10 13:06:18 -0700 | [diff] [blame] | 5809 | "Element %s content does not follow the DTD, Expecting more children\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5810 | state->node->name, NULL,NULL); |
David Kilzer | cb1b8b8 | 2023-04-10 13:06:18 -0700 | [diff] [blame] | 5811 | ret = 0; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5812 | } else { |
| 5813 | /* |
| 5814 | * previous validation errors should not generate |
| 5815 | * a new one here |
| 5816 | */ |
| 5817 | ret = 1; |
| 5818 | } |
| 5819 | } |
| 5820 | } |
| 5821 | } |
| 5822 | vstateVPop(ctxt); |
| 5823 | } |
| 5824 | return(ret); |
| 5825 | } |
Daniel Veillard | 0e298ad | 2003-02-04 16:14:33 +0000 | [diff] [blame] | 5826 | #endif /* LIBXML_REGEXP_ENABLED */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5827 | |
| 5828 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5829 | * xmlValidateOneElement: |
| 5830 | * @ctxt: the validation context |
| 5831 | * @doc: a document instance |
| 5832 | * @elem: an element instance |
| 5833 | * |
| 5834 | * Try to validate a single element and it's attributes, |
| 5835 | * basically it does the following checks as described by the |
| 5836 | * XML-1.0 recommendation: |
| 5837 | * - [ VC: Element Valid ] |
| 5838 | * - [ VC: Required Attribute ] |
| 5839 | * Then call xmlValidateOneAttribute() for each attribute present. |
| 5840 | * |
| 5841 | * The ID/IDREF checkings are done separately |
| 5842 | * |
| 5843 | * returns 1 if valid or 0 otherwise |
| 5844 | */ |
| 5845 | |
| 5846 | int |
| 5847 | xmlValidateOneElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, |
| 5848 | xmlNodePtr elem) { |
| 5849 | xmlElementPtr elemDecl = NULL; |
| 5850 | xmlElementContentPtr cont; |
| 5851 | xmlAttributePtr attr; |
| 5852 | xmlNodePtr child; |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 5853 | int ret = 1, tmp; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5854 | const xmlChar *name; |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 5855 | int extsubset = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5856 | |
| 5857 | CHECK_DTD; |
| 5858 | |
| 5859 | if (elem == NULL) return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5860 | switch (elem->type) { |
| 5861 | case XML_ATTRIBUTE_NODE: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5862 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5863 | "Attribute element not expected\n", NULL, NULL ,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5864 | return(0); |
| 5865 | case XML_TEXT_NODE: |
| 5866 | if (elem->children != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5867 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5868 | "Text element has children !\n", |
| 5869 | NULL,NULL,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5870 | return(0); |
| 5871 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5872 | if (elem->ns != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5873 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5874 | "Text element has namespace !\n", |
| 5875 | NULL,NULL,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5876 | return(0); |
| 5877 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5878 | if (elem->content == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5879 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5880 | "Text element has no content !\n", |
| 5881 | NULL,NULL,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5882 | return(0); |
| 5883 | } |
| 5884 | return(1); |
| 5885 | case XML_XINCLUDE_START: |
| 5886 | case XML_XINCLUDE_END: |
| 5887 | return(1); |
| 5888 | case XML_CDATA_SECTION_NODE: |
| 5889 | case XML_ENTITY_REF_NODE: |
| 5890 | case XML_PI_NODE: |
| 5891 | case XML_COMMENT_NODE: |
| 5892 | return(1); |
| 5893 | case XML_ENTITY_NODE: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5894 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5895 | "Entity element not expected\n", NULL, NULL ,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5896 | return(0); |
| 5897 | case XML_NOTATION_NODE: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5898 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5899 | "Notation element not expected\n", NULL, NULL ,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5900 | return(0); |
| 5901 | case XML_DOCUMENT_NODE: |
| 5902 | case XML_DOCUMENT_TYPE_NODE: |
| 5903 | case XML_DOCUMENT_FRAG_NODE: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5904 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5905 | "Document element not expected\n", NULL, NULL ,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5906 | return(0); |
| 5907 | case XML_HTML_DOCUMENT_NODE: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5908 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5909 | "HTML Document not expected\n", NULL, NULL ,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5910 | return(0); |
| 5911 | case XML_ELEMENT_NODE: |
| 5912 | break; |
| 5913 | default: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5914 | xmlErrValidNode(ctxt, elem, XML_ERR_INTERNAL_ERROR, |
| 5915 | "unknown element type\n", NULL, NULL ,NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5916 | return(0); |
| 5917 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5918 | |
| 5919 | /* |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5920 | * Fetch the declaration |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5921 | */ |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5922 | elemDecl = xmlValidGetElemDecl(ctxt, doc, elem, &extsubset); |
| 5923 | if (elemDecl == NULL) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5924 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5925 | |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5926 | /* |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5927 | * If vstateNr is not zero that means continuous validation is |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 5928 | * activated, do not try to check the content model at that level. |
| 5929 | */ |
| 5930 | if (ctxt->vstateNr == 0) { |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 5931 | /* Check that the element content matches the definition */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5932 | switch (elemDecl->etype) { |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 5933 | case XML_ELEMENT_TYPE_UNDEFINED: |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5934 | xmlErrValidNode(ctxt, elem, XML_DTD_UNKNOWN_ELEM, |
| 5935 | "No declaration for element %s\n", |
| 5936 | elem->name, NULL, NULL); |
Daniel Veillard | a10efa8 | 2001-04-18 13:09:01 +0000 | [diff] [blame] | 5937 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5938 | case XML_ELEMENT_TYPE_EMPTY: |
| 5939 | if (elem->children != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5940 | xmlErrValidNode(ctxt, elem, XML_DTD_NOT_EMPTY, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5941 | "Element %s was declared EMPTY this one has content\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5942 | elem->name, NULL, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5943 | ret = 0; |
| 5944 | } |
| 5945 | break; |
| 5946 | case XML_ELEMENT_TYPE_ANY: |
| 5947 | /* I don't think anything is required then */ |
| 5948 | break; |
| 5949 | case XML_ELEMENT_TYPE_MIXED: |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 5950 | |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5951 | /* simple case of declared as #PCDATA */ |
| 5952 | if ((elemDecl->content != NULL) && |
| 5953 | (elemDecl->content->type == XML_ELEMENT_CONTENT_PCDATA)) { |
| 5954 | ret = xmlValidateOneCdataElement(ctxt, doc, elem); |
| 5955 | if (!ret) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5956 | xmlErrValidNode(ctxt, elem, XML_DTD_NOT_PCDATA, |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5957 | "Element %s was declared #PCDATA but contains non text nodes\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 5958 | elem->name, NULL, NULL); |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5959 | } |
| 5960 | break; |
| 5961 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5962 | child = elem->children; |
Daniel Veillard | 04e2dae | 2001-07-09 20:07:25 +0000 | [diff] [blame] | 5963 | /* Hum, this start to get messy */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5964 | while (child != NULL) { |
| 5965 | if (child->type == XML_ELEMENT_NODE) { |
| 5966 | name = child->name; |
| 5967 | if ((child->ns != NULL) && (child->ns->prefix != NULL)) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5968 | xmlChar fn[50]; |
| 5969 | xmlChar *fullname; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5970 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5971 | fullname = xmlBuildQName(child->name, child->ns->prefix, |
| 5972 | fn, 50); |
| 5973 | if (fullname == NULL) |
| 5974 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5975 | cont = elemDecl->content; |
| 5976 | while (cont != NULL) { |
| 5977 | if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5978 | if (xmlStrEqual(cont->name, fullname)) |
| 5979 | break; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5980 | } else if ((cont->type == XML_ELEMENT_CONTENT_OR) && |
| 5981 | (cont->c1 != NULL) && |
| 5982 | (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)){ |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5983 | if (xmlStrEqual(cont->c1->name, fullname)) |
| 5984 | break; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5985 | } else if ((cont->type != XML_ELEMENT_CONTENT_OR) || |
| 5986 | (cont->c1 == NULL) || |
| 5987 | (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)){ |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 5988 | xmlErrValid(NULL, XML_DTD_MIXED_CORRUPT, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 5989 | "Internal: MIXED struct corrupted\n", |
| 5990 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5991 | break; |
| 5992 | } |
| 5993 | cont = cont->c2; |
| 5994 | } |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 5995 | if ((fullname != fn) && (fullname != child->name)) |
| 5996 | xmlFree(fullname); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 5997 | if (cont != NULL) |
| 5998 | goto child_ok; |
| 5999 | } |
| 6000 | cont = elemDecl->content; |
| 6001 | while (cont != NULL) { |
| 6002 | if (cont->type == XML_ELEMENT_CONTENT_ELEMENT) { |
| 6003 | if (xmlStrEqual(cont->name, name)) break; |
| 6004 | } else if ((cont->type == XML_ELEMENT_CONTENT_OR) && |
| 6005 | (cont->c1 != NULL) && |
| 6006 | (cont->c1->type == XML_ELEMENT_CONTENT_ELEMENT)) { |
| 6007 | if (xmlStrEqual(cont->c1->name, name)) break; |
| 6008 | } else if ((cont->type != XML_ELEMENT_CONTENT_OR) || |
| 6009 | (cont->c1 == NULL) || |
| 6010 | (cont->c1->type != XML_ELEMENT_CONTENT_PCDATA)) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6011 | xmlErrValid(ctxt, XML_DTD_MIXED_CORRUPT, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 6012 | "Internal: MIXED struct corrupted\n", |
| 6013 | NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6014 | break; |
| 6015 | } |
| 6016 | cont = cont->c2; |
| 6017 | } |
| 6018 | if (cont == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6019 | xmlErrValidNode(ctxt, elem, XML_DTD_INVALID_CHILD, |
Daniel Veillard | 5e5c2d0 | 2002-02-09 18:03:01 +0000 | [diff] [blame] | 6020 | "Element %s is not declared in %s list of possible children\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6021 | name, elem->name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6022 | ret = 0; |
| 6023 | } |
| 6024 | } |
| 6025 | child_ok: |
| 6026 | child = child->next; |
| 6027 | } |
| 6028 | break; |
| 6029 | case XML_ELEMENT_TYPE_ELEMENT: |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 6030 | if ((doc->standalone == 1) && (extsubset == 1)) { |
| 6031 | /* |
| 6032 | * VC: Standalone Document Declaration |
| 6033 | * - element types with element content, if white space |
| 6034 | * occurs directly within any instance of those types. |
| 6035 | */ |
| 6036 | child = elem->children; |
| 6037 | while (child != NULL) { |
| 6038 | if (child->type == XML_TEXT_NODE) { |
| 6039 | const xmlChar *content = child->content; |
| 6040 | |
William M. Brack | 76e95df | 2003-10-18 16:20:14 +0000 | [diff] [blame] | 6041 | while (IS_BLANK_CH(*content)) |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 6042 | content++; |
| 6043 | if (*content == 0) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6044 | xmlErrValidNode(ctxt, elem, |
| 6045 | XML_DTD_STANDALONE_WHITE_SPACE, |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 6046 | "standalone: %s declared in the external subset contains white spaces nodes\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6047 | elem->name, NULL, NULL); |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 6048 | ret = 0; |
| 6049 | break; |
| 6050 | } |
| 6051 | } |
| 6052 | child =child->next; |
| 6053 | } |
| 6054 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6055 | child = elem->children; |
| 6056 | cont = elemDecl->content; |
Daniel Veillard | b9cd8b4 | 2002-09-05 10:58:49 +0000 | [diff] [blame] | 6057 | tmp = xmlValidateElementContent(ctxt, child, elemDecl, 1, elem); |
Daniel Veillard | 8dc16a6 | 2002-02-19 21:08:48 +0000 | [diff] [blame] | 6058 | if (tmp <= 0) |
| 6059 | ret = tmp; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6060 | break; |
| 6061 | } |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6062 | } /* not continuous */ |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6063 | |
| 6064 | /* [ VC: Required Attribute ] */ |
| 6065 | attr = elemDecl->attributes; |
| 6066 | while (attr != NULL) { |
| 6067 | if (attr->def == XML_ATTRIBUTE_REQUIRED) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6068 | int qualified = -1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6069 | |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6070 | if ((attr->prefix == NULL) && |
| 6071 | (xmlStrEqual(attr->name, BAD_CAST "xmlns"))) { |
| 6072 | xmlNsPtr ns; |
| 6073 | |
| 6074 | ns = elem->nsDef; |
| 6075 | while (ns != NULL) { |
| 6076 | if (ns->prefix == NULL) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6077 | goto found; |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6078 | ns = ns->next; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6079 | } |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6080 | } else if (xmlStrEqual(attr->prefix, BAD_CAST "xmlns")) { |
| 6081 | xmlNsPtr ns; |
| 6082 | |
| 6083 | ns = elem->nsDef; |
| 6084 | while (ns != NULL) { |
| 6085 | if (xmlStrEqual(attr->name, ns->prefix)) |
| 6086 | goto found; |
| 6087 | ns = ns->next; |
| 6088 | } |
| 6089 | } else { |
| 6090 | xmlAttrPtr attrib; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6091 | |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6092 | attrib = elem->properties; |
| 6093 | while (attrib != NULL) { |
| 6094 | if (xmlStrEqual(attrib->name, attr->name)) { |
| 6095 | if (attr->prefix != NULL) { |
| 6096 | xmlNsPtr nameSpace = attrib->ns; |
| 6097 | |
| 6098 | if (nameSpace == NULL) |
| 6099 | nameSpace = elem->ns; |
| 6100 | /* |
| 6101 | * qualified names handling is problematic, having a |
| 6102 | * different prefix should be possible but DTDs don't |
| 6103 | * allow to define the URI instead of the prefix :-( |
| 6104 | */ |
| 6105 | if (nameSpace == NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6106 | if (qualified < 0) |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6107 | qualified = 0; |
| 6108 | } else if (!xmlStrEqual(nameSpace->prefix, |
| 6109 | attr->prefix)) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6110 | if (qualified < 1) |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6111 | qualified = 1; |
| 6112 | } else |
| 6113 | goto found; |
| 6114 | } else { |
| 6115 | /* |
| 6116 | * We should allow applications to define namespaces |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6117 | * for their application even if the DTD doesn't |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6118 | * carry one, otherwise, basically we would always |
| 6119 | * break. |
| 6120 | */ |
| 6121 | goto found; |
| 6122 | } |
| 6123 | } |
| 6124 | attrib = attrib->next; |
| 6125 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6126 | } |
| 6127 | if (qualified == -1) { |
| 6128 | if (attr->prefix == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6129 | xmlErrValidNode(ctxt, elem, XML_DTD_MISSING_ATTRIBUTE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 6130 | "Element %s does not carry attribute %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6131 | elem->name, attr->name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6132 | ret = 0; |
| 6133 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6134 | xmlErrValidNode(ctxt, elem, XML_DTD_MISSING_ATTRIBUTE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 6135 | "Element %s does not carry attribute %s:%s\n", |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6136 | elem->name, attr->prefix,attr->name); |
| 6137 | ret = 0; |
| 6138 | } |
| 6139 | } else if (qualified == 0) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6140 | xmlErrValidWarning(ctxt, elem, XML_DTD_NO_PREFIX, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6141 | "Element %s required attribute %s:%s has no prefix\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6142 | elem->name, attr->prefix, attr->name); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6143 | } else if (qualified == 1) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6144 | xmlErrValidWarning(ctxt, elem, XML_DTD_DIFFERENT_PREFIX, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6145 | "Element %s required attribute %s:%s has different prefix\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6146 | elem->name, attr->prefix, attr->name); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6147 | } |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6148 | } else if (attr->def == XML_ATTRIBUTE_FIXED) { |
| 6149 | /* |
| 6150 | * Special tests checking #FIXED namespace declarations |
| 6151 | * have the right value since this is not done as an |
| 6152 | * attribute checking |
| 6153 | */ |
| 6154 | if ((attr->prefix == NULL) && |
| 6155 | (xmlStrEqual(attr->name, BAD_CAST "xmlns"))) { |
| 6156 | xmlNsPtr ns; |
| 6157 | |
| 6158 | ns = elem->nsDef; |
| 6159 | while (ns != NULL) { |
| 6160 | if (ns->prefix == NULL) { |
| 6161 | if (!xmlStrEqual(attr->defaultValue, ns->href)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6162 | xmlErrValidNode(ctxt, elem, |
| 6163 | XML_DTD_ELEM_DEFAULT_NAMESPACE, |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6164 | "Element %s namespace name for default namespace does not match the DTD\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6165 | elem->name, NULL, NULL); |
Daniel Veillard | c761299 | 2002-02-17 22:47:37 +0000 | [diff] [blame] | 6166 | ret = 0; |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6167 | } |
| 6168 | goto found; |
| 6169 | } |
| 6170 | ns = ns->next; |
| 6171 | } |
| 6172 | } else if (xmlStrEqual(attr->prefix, BAD_CAST "xmlns")) { |
| 6173 | xmlNsPtr ns; |
| 6174 | |
| 6175 | ns = elem->nsDef; |
| 6176 | while (ns != NULL) { |
| 6177 | if (xmlStrEqual(attr->name, ns->prefix)) { |
| 6178 | if (!xmlStrEqual(attr->defaultValue, ns->href)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6179 | xmlErrValidNode(ctxt, elem, XML_DTD_ELEM_NAMESPACE, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 6180 | "Element %s namespace name for %s does not match the DTD\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6181 | elem->name, ns->prefix, NULL); |
Daniel Veillard | c761299 | 2002-02-17 22:47:37 +0000 | [diff] [blame] | 6182 | ret = 0; |
Daniel Veillard | e4301c8 | 2002-02-13 13:32:35 +0000 | [diff] [blame] | 6183 | } |
| 6184 | goto found; |
| 6185 | } |
| 6186 | ns = ns->next; |
| 6187 | } |
| 6188 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6189 | } |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6190 | found: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6191 | attr = attr->nexth; |
| 6192 | } |
| 6193 | return(ret); |
| 6194 | } |
| 6195 | |
| 6196 | /** |
| 6197 | * xmlValidateRoot: |
| 6198 | * @ctxt: the validation context |
| 6199 | * @doc: a document instance |
| 6200 | * |
| 6201 | * Try to validate a the root element |
| 6202 | * basically it does the following check as described by the |
| 6203 | * XML-1.0 recommendation: |
| 6204 | * - [ VC: Root Element Type ] |
| 6205 | * it doesn't try to recurse or apply other check to the element |
| 6206 | * |
| 6207 | * returns 1 if valid or 0 otherwise |
| 6208 | */ |
| 6209 | |
| 6210 | int |
| 6211 | xmlValidateRoot(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 6212 | xmlNodePtr root; |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 6213 | int ret; |
| 6214 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6215 | if (doc == NULL) return(0); |
| 6216 | |
| 6217 | root = xmlDocGetRootElement(doc); |
| 6218 | if ((root == NULL) || (root->name == NULL)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6219 | xmlErrValid(ctxt, XML_DTD_NO_ROOT, |
| 6220 | "no root element\n", NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6221 | return(0); |
| 6222 | } |
| 6223 | |
| 6224 | /* |
| 6225 | * When doing post validation against a separate DTD, those may |
| 6226 | * no internal subset has been generated |
| 6227 | */ |
| 6228 | if ((doc->intSubset != NULL) && |
| 6229 | (doc->intSubset->name != NULL)) { |
| 6230 | /* |
| 6231 | * Check first the document root against the NQName |
| 6232 | */ |
| 6233 | if (!xmlStrEqual(doc->intSubset->name, root->name)) { |
| 6234 | if ((root->ns != NULL) && (root->ns->prefix != NULL)) { |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 6235 | xmlChar fn[50]; |
| 6236 | xmlChar *fullname; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6237 | |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 6238 | fullname = xmlBuildQName(root->name, root->ns->prefix, fn, 50); |
| 6239 | if (fullname == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 6240 | xmlVErrMemory(ctxt, NULL); |
Daniel Veillard | c00cda8 | 2003-04-07 10:22:39 +0000 | [diff] [blame] | 6241 | return(0); |
| 6242 | } |
| 6243 | ret = xmlStrEqual(doc->intSubset->name, fullname); |
| 6244 | if ((fullname != fn) && (fullname != root->name)) |
| 6245 | xmlFree(fullname); |
| 6246 | if (ret == 1) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6247 | goto name_ok; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6248 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6249 | if ((xmlStrEqual(doc->intSubset->name, BAD_CAST "HTML")) && |
| 6250 | (xmlStrEqual(root->name, BAD_CAST "html"))) |
| 6251 | goto name_ok; |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6252 | xmlErrValidNode(ctxt, root, XML_DTD_ROOT_NAME, |
| 6253 | "root and DTD name do not match '%s' and '%s'\n", |
| 6254 | root->name, doc->intSubset->name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6255 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6256 | } |
| 6257 | } |
| 6258 | name_ok: |
| 6259 | return(1); |
| 6260 | } |
| 6261 | |
| 6262 | |
| 6263 | /** |
| 6264 | * xmlValidateElement: |
| 6265 | * @ctxt: the validation context |
| 6266 | * @doc: a document instance |
Nick Wellnhofer | 8c084eb | 2023-09-21 22:57:33 +0200 | [diff] [blame] | 6267 | * @root: an element instance |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6268 | * |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6269 | * Try to validate the subtree under an element |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6270 | * |
| 6271 | * returns 1 if valid or 0 otherwise |
| 6272 | */ |
| 6273 | |
| 6274 | int |
Nick Wellnhofer | 08f9d31 | 2023-03-16 17:01:05 +0100 | [diff] [blame] | 6275 | xmlValidateElement(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlNodePtr root) { |
| 6276 | xmlNodePtr elem; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6277 | xmlAttrPtr attr; |
Daniel Veillard | e133dd8 | 2003-10-30 10:42:20 +0000 | [diff] [blame] | 6278 | xmlNsPtr ns; |
Daniel Veillard | a8ff65d | 2003-11-03 16:20:10 +0000 | [diff] [blame] | 6279 | const xmlChar *value; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6280 | int ret = 1; |
| 6281 | |
Nick Wellnhofer | 08f9d31 | 2023-03-16 17:01:05 +0100 | [diff] [blame] | 6282 | if (root == NULL) return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6283 | |
| 6284 | CHECK_DTD; |
| 6285 | |
Nick Wellnhofer | 08f9d31 | 2023-03-16 17:01:05 +0100 | [diff] [blame] | 6286 | elem = root; |
| 6287 | while (1) { |
| 6288 | ret &= xmlValidateOneElement(ctxt, doc, elem); |
| 6289 | |
| 6290 | if (elem->type == XML_ELEMENT_NODE) { |
| 6291 | attr = elem->properties; |
| 6292 | while (attr != NULL) { |
| 6293 | value = xmlNodeListGetString(doc, attr->children, 0); |
| 6294 | ret &= xmlValidateOneAttribute(ctxt, doc, elem, attr, value); |
| 6295 | if (value != NULL) |
| 6296 | xmlFree((char *)value); |
| 6297 | attr= attr->next; |
| 6298 | } |
| 6299 | |
| 6300 | ns = elem->nsDef; |
| 6301 | while (ns != NULL) { |
| 6302 | if (elem->ns == NULL) |
| 6303 | ret &= xmlValidateOneNamespace(ctxt, doc, elem, NULL, |
| 6304 | ns, ns->href); |
| 6305 | else |
| 6306 | ret &= xmlValidateOneNamespace(ctxt, doc, elem, |
| 6307 | elem->ns->prefix, ns, |
| 6308 | ns->href); |
| 6309 | ns = ns->next; |
| 6310 | } |
| 6311 | |
| 6312 | if (elem->children != NULL) { |
| 6313 | elem = elem->children; |
| 6314 | continue; |
| 6315 | } |
| 6316 | } |
| 6317 | |
| 6318 | while (1) { |
| 6319 | if (elem == root) |
| 6320 | goto done; |
| 6321 | if (elem->next != NULL) |
| 6322 | break; |
| 6323 | elem = elem->parent; |
| 6324 | } |
| 6325 | elem = elem->next; |
Daniel Veillard | 10ea86c | 2001-06-20 13:55:33 +0000 | [diff] [blame] | 6326 | } |
| 6327 | |
Nick Wellnhofer | 08f9d31 | 2023-03-16 17:01:05 +0100 | [diff] [blame] | 6328 | done: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6329 | return(ret); |
| 6330 | } |
| 6331 | |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 6332 | /** |
| 6333 | * xmlValidateRef: |
| 6334 | * @ref: A reference to be validated |
| 6335 | * @ctxt: Validation context |
| 6336 | * @name: Name of ID we are searching for |
| 6337 | * |
| 6338 | */ |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 6339 | static void |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 6340 | xmlValidateRef(xmlRefPtr ref, xmlValidCtxtPtr ctxt, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6341 | const xmlChar *name) { |
| 6342 | xmlAttrPtr id; |
| 6343 | xmlAttrPtr attr; |
| 6344 | |
| 6345 | if (ref == NULL) |
| 6346 | return; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6347 | if ((ref->attr == NULL) && (ref->name == NULL)) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6348 | return; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6349 | attr = ref->attr; |
| 6350 | if (attr == NULL) { |
| 6351 | xmlChar *dup, *str = NULL, *cur, save; |
| 6352 | |
| 6353 | dup = xmlStrdup(name); |
| 6354 | if (dup == NULL) { |
| 6355 | ctxt->valid = 0; |
| 6356 | return; |
| 6357 | } |
| 6358 | cur = dup; |
| 6359 | while (*cur != 0) { |
| 6360 | str = cur; |
William M. Brack | 76e95df | 2003-10-18 16:20:14 +0000 | [diff] [blame] | 6361 | while ((*cur != 0) && (!IS_BLANK_CH(*cur))) cur++; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6362 | save = *cur; |
| 6363 | *cur = 0; |
| 6364 | id = xmlGetID(ctxt->doc, str); |
| 6365 | if (id == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6366 | xmlErrValidNodeNr(ctxt, NULL, XML_DTD_UNKNOWN_ID, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6367 | "attribute %s line %d references an unknown ID \"%s\"\n", |
| 6368 | ref->name, ref->lineno, str); |
| 6369 | ctxt->valid = 0; |
| 6370 | } |
| 6371 | if (save == 0) |
| 6372 | break; |
| 6373 | *cur = save; |
William M. Brack | 76e95df | 2003-10-18 16:20:14 +0000 | [diff] [blame] | 6374 | while (IS_BLANK_CH(*cur)) cur++; |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6375 | } |
| 6376 | xmlFree(dup); |
| 6377 | } else if (attr->atype == XML_ATTRIBUTE_IDREF) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6378 | id = xmlGetID(ctxt->doc, name); |
| 6379 | if (id == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6380 | xmlErrValidNode(ctxt, attr->parent, XML_DTD_UNKNOWN_ID, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6381 | "IDREF attribute %s references an unknown ID \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6382 | attr->name, name, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6383 | ctxt->valid = 0; |
| 6384 | } |
| 6385 | } else if (attr->atype == XML_ATTRIBUTE_IDREFS) { |
| 6386 | xmlChar *dup, *str = NULL, *cur, save; |
| 6387 | |
| 6388 | dup = xmlStrdup(name); |
| 6389 | if (dup == NULL) { |
Daniel Veillard | ce9457f | 2003-10-05 21:33:18 +0000 | [diff] [blame] | 6390 | xmlVErrMemory(ctxt, "IDREFS split"); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6391 | ctxt->valid = 0; |
| 6392 | return; |
| 6393 | } |
| 6394 | cur = dup; |
| 6395 | while (*cur != 0) { |
| 6396 | str = cur; |
William M. Brack | 76e95df | 2003-10-18 16:20:14 +0000 | [diff] [blame] | 6397 | while ((*cur != 0) && (!IS_BLANK_CH(*cur))) cur++; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6398 | save = *cur; |
| 6399 | *cur = 0; |
| 6400 | id = xmlGetID(ctxt->doc, str); |
| 6401 | if (id == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6402 | xmlErrValidNode(ctxt, attr->parent, XML_DTD_UNKNOWN_ID, |
Daniel Veillard | ea7751d | 2002-12-20 00:16:24 +0000 | [diff] [blame] | 6403 | "IDREFS attribute %s references an unknown ID \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6404 | attr->name, str, NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6405 | ctxt->valid = 0; |
| 6406 | } |
| 6407 | if (save == 0) |
| 6408 | break; |
| 6409 | *cur = save; |
William M. Brack | 76e95df | 2003-10-18 16:20:14 +0000 | [diff] [blame] | 6410 | while (IS_BLANK_CH(*cur)) cur++; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6411 | } |
| 6412 | xmlFree(dup); |
| 6413 | } |
| 6414 | } |
| 6415 | |
| 6416 | /** |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 6417 | * xmlWalkValidateList: |
| 6418 | * @data: Contents of current link |
| 6419 | * @user: Value supplied by the user |
| 6420 | * |
Daniel Veillard | cbaf399 | 2001-12-31 16:16:02 +0000 | [diff] [blame] | 6421 | * Returns 0 to abort the walk or 1 to continue |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 6422 | */ |
| 6423 | static int |
Nick Wellnhofer | 4dd6d7a | 2017-11-09 17:28:00 +0100 | [diff] [blame] | 6424 | xmlWalkValidateList(const void *data, void *user) |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 6425 | { |
| 6426 | xmlValidateMemoPtr memo = (xmlValidateMemoPtr)user; |
| 6427 | xmlValidateRef((xmlRefPtr)data, memo->ctxt, memo->name); |
| 6428 | return 1; |
| 6429 | } |
| 6430 | |
| 6431 | /** |
| 6432 | * xmlValidateCheckRefCallback: |
| 6433 | * @ref_list: List of references |
| 6434 | * @ctxt: Validation context |
| 6435 | * @name: Name of ID we are searching for |
| 6436 | * |
| 6437 | */ |
| 6438 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6439 | xmlValidateCheckRefCallback(void *payload, void *data, const xmlChar *name) { |
| 6440 | xmlListPtr ref_list = (xmlListPtr) payload; |
| 6441 | xmlValidCtxtPtr ctxt = (xmlValidCtxtPtr) data; |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 6442 | xmlValidateMemo memo; |
| 6443 | |
| 6444 | if (ref_list == NULL) |
| 6445 | return; |
| 6446 | memo.ctxt = ctxt; |
| 6447 | memo.name = name; |
| 6448 | |
| 6449 | xmlListWalk(ref_list, xmlWalkValidateList, &memo); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6450 | |
Daniel Veillard | 8730c56 | 2001-02-26 10:49:57 +0000 | [diff] [blame] | 6451 | } |
| 6452 | |
| 6453 | /** |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6454 | * xmlValidateDocumentFinal: |
| 6455 | * @ctxt: the validation context |
| 6456 | * @doc: a document instance |
| 6457 | * |
| 6458 | * Does the final step for the document validation once all the |
| 6459 | * incremental validation steps have been completed |
| 6460 | * |
| 6461 | * basically it does the following checks described by the XML Rec |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6462 | * |
Daniel Veillard | c3da18a | 2003-03-18 00:31:04 +0000 | [diff] [blame] | 6463 | * Check all the IDREF/IDREFS attributes definition for validity |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6464 | * |
| 6465 | * returns 1 if valid or 0 otherwise |
| 6466 | */ |
| 6467 | |
| 6468 | int |
| 6469 | xmlValidateDocumentFinal(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 6470 | xmlRefTablePtr table; |
Daniel Veillard | cb3549e | 2011-11-11 11:25:07 +0800 | [diff] [blame] | 6471 | unsigned int save; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6472 | |
Daniel Veillard | c0be74b | 2004-11-03 19:16:55 +0000 | [diff] [blame] | 6473 | if (ctxt == NULL) |
| 6474 | return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6475 | if (doc == NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6476 | xmlErrValid(ctxt, XML_DTD_NO_DOC, |
Daniel Veillard | 2b8c4a1 | 2003-10-02 22:28:19 +0000 | [diff] [blame] | 6477 | "xmlValidateDocumentFinal: doc == NULL\n", NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6478 | return(0); |
| 6479 | } |
| 6480 | |
Daniel Veillard | cb3549e | 2011-11-11 11:25:07 +0800 | [diff] [blame] | 6481 | /* trick to get correct line id report */ |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 6482 | save = ctxt->flags; |
| 6483 | ctxt->flags &= ~XML_VCTXT_USE_PCTXT; |
Daniel Veillard | cb3549e | 2011-11-11 11:25:07 +0800 | [diff] [blame] | 6484 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6485 | /* |
| 6486 | * Check all the NOTATION/NOTATIONS attributes |
| 6487 | */ |
| 6488 | /* |
| 6489 | * Check all the ENTITY/ENTITIES attributes definition for validity |
| 6490 | */ |
| 6491 | /* |
| 6492 | * Check all the IDREF/IDREFS attributes definition for validity |
| 6493 | */ |
| 6494 | table = (xmlRefTablePtr) doc->refs; |
| 6495 | ctxt->doc = doc; |
| 6496 | ctxt->valid = 1; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6497 | xmlHashScan(table, xmlValidateCheckRefCallback, ctxt); |
Daniel Veillard | cb3549e | 2011-11-11 11:25:07 +0800 | [diff] [blame] | 6498 | |
Nick Wellnhofer | d7cb33c | 2022-01-13 17:06:14 +0100 | [diff] [blame] | 6499 | ctxt->flags = save; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6500 | return(ctxt->valid); |
| 6501 | } |
| 6502 | |
| 6503 | /** |
| 6504 | * xmlValidateDtd: |
| 6505 | * @ctxt: the validation context |
| 6506 | * @doc: a document instance |
| 6507 | * @dtd: a dtd instance |
| 6508 | * |
| 6509 | * Try to validate the document against the dtd instance |
| 6510 | * |
William M. Brack | 367df6e | 2004-10-23 18:14:36 +0000 | [diff] [blame] | 6511 | * Basically it does check all the definitions in the DtD. |
| 6512 | * Note the the internal subset (if present) is de-coupled |
| 6513 | * (i.e. not used), which could give problems if ID or IDREF |
| 6514 | * is present. |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6515 | * |
| 6516 | * returns 1 if valid or 0 otherwise |
| 6517 | */ |
| 6518 | |
| 6519 | int |
| 6520 | xmlValidateDtd(xmlValidCtxtPtr ctxt, xmlDocPtr doc, xmlDtdPtr dtd) { |
| 6521 | int ret; |
William M. Brack | 367df6e | 2004-10-23 18:14:36 +0000 | [diff] [blame] | 6522 | xmlDtdPtr oldExt, oldInt; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6523 | xmlNodePtr root; |
| 6524 | |
| 6525 | if (dtd == NULL) return(0); |
| 6526 | if (doc == NULL) return(0); |
| 6527 | oldExt = doc->extSubset; |
William M. Brack | 367df6e | 2004-10-23 18:14:36 +0000 | [diff] [blame] | 6528 | oldInt = doc->intSubset; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6529 | doc->extSubset = dtd; |
William M. Brack | 367df6e | 2004-10-23 18:14:36 +0000 | [diff] [blame] | 6530 | doc->intSubset = NULL; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6531 | ret = xmlValidateRoot(ctxt, doc); |
| 6532 | if (ret == 0) { |
| 6533 | doc->extSubset = oldExt; |
William M. Brack | 367df6e | 2004-10-23 18:14:36 +0000 | [diff] [blame] | 6534 | doc->intSubset = oldInt; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6535 | return(ret); |
| 6536 | } |
| 6537 | if (doc->ids != NULL) { |
| 6538 | xmlFreeIDTable(doc->ids); |
| 6539 | doc->ids = NULL; |
| 6540 | } |
| 6541 | if (doc->refs != NULL) { |
| 6542 | xmlFreeRefTable(doc->refs); |
| 6543 | doc->refs = NULL; |
| 6544 | } |
| 6545 | root = xmlDocGetRootElement(doc); |
| 6546 | ret = xmlValidateElement(ctxt, doc, root); |
| 6547 | ret &= xmlValidateDocumentFinal(ctxt, doc); |
| 6548 | doc->extSubset = oldExt; |
William M. Brack | 367df6e | 2004-10-23 18:14:36 +0000 | [diff] [blame] | 6549 | doc->intSubset = oldInt; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6550 | return(ret); |
| 6551 | } |
| 6552 | |
Daniel Veillard | 56a4cb8 | 2001-03-24 17:00:36 +0000 | [diff] [blame] | 6553 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6554 | xmlValidateNotationCallback(void *payload, void *data, |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6555 | const xmlChar *name ATTRIBUTE_UNUSED) { |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6556 | xmlEntityPtr cur = (xmlEntityPtr) payload; |
| 6557 | xmlValidCtxtPtr ctxt = (xmlValidCtxtPtr) data; |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6558 | if (cur == NULL) |
| 6559 | return; |
| 6560 | if (cur->etype == XML_EXTERNAL_GENERAL_UNPARSED_ENTITY) { |
| 6561 | xmlChar *notation = cur->content; |
| 6562 | |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6563 | if (notation != NULL) { |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6564 | int ret; |
| 6565 | |
| 6566 | ret = xmlValidateNotationUse(ctxt, cur->doc, notation); |
| 6567 | if (ret != 1) { |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6568 | ctxt->valid = 0; |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6569 | } |
| 6570 | } |
| 6571 | } |
| 6572 | } |
| 6573 | |
| 6574 | static void |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6575 | xmlValidateAttributeCallback(void *payload, void *data, |
| 6576 | const xmlChar *name ATTRIBUTE_UNUSED) { |
| 6577 | xmlAttributePtr cur = (xmlAttributePtr) payload; |
| 6578 | xmlValidCtxtPtr ctxt = (xmlValidCtxtPtr) data; |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6579 | int ret; |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6580 | xmlDocPtr doc; |
Daniel Veillard | a8ff65d | 2003-11-03 16:20:10 +0000 | [diff] [blame] | 6581 | xmlElementPtr elem = NULL; |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6582 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6583 | if (cur == NULL) |
| 6584 | return; |
| 6585 | switch (cur->atype) { |
| 6586 | case XML_ATTRIBUTE_CDATA: |
| 6587 | case XML_ATTRIBUTE_ID: |
| 6588 | case XML_ATTRIBUTE_IDREF : |
| 6589 | case XML_ATTRIBUTE_IDREFS: |
| 6590 | case XML_ATTRIBUTE_NMTOKEN: |
| 6591 | case XML_ATTRIBUTE_NMTOKENS: |
| 6592 | case XML_ATTRIBUTE_ENUMERATION: |
| 6593 | break; |
| 6594 | case XML_ATTRIBUTE_ENTITY: |
| 6595 | case XML_ATTRIBUTE_ENTITIES: |
| 6596 | case XML_ATTRIBUTE_NOTATION: |
| 6597 | if (cur->defaultValue != NULL) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6598 | |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6599 | ret = xmlValidateAttributeValue2(ctxt, ctxt->doc, cur->name, |
| 6600 | cur->atype, cur->defaultValue); |
| 6601 | if ((ret == 0) && (ctxt->valid == 1)) |
| 6602 | ctxt->valid = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6603 | } |
| 6604 | if (cur->tree != NULL) { |
| 6605 | xmlEnumerationPtr tree = cur->tree; |
| 6606 | while (tree != NULL) { |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6607 | ret = xmlValidateAttributeValue2(ctxt, ctxt->doc, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6608 | cur->name, cur->atype, tree->name); |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6609 | if ((ret == 0) && (ctxt->valid == 1)) |
| 6610 | ctxt->valid = 0; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6611 | tree = tree->next; |
| 6612 | } |
| 6613 | } |
| 6614 | } |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6615 | if (cur->atype == XML_ATTRIBUTE_NOTATION) { |
| 6616 | doc = cur->doc; |
Daniel Veillard | a8ff65d | 2003-11-03 16:20:10 +0000 | [diff] [blame] | 6617 | if (cur->elem == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6618 | xmlErrValid(ctxt, XML_ERR_INTERNAL_ERROR, |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6619 | "xmlValidateAttributeCallback(%s): internal error\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6620 | (const char *) cur->name); |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6621 | return; |
| 6622 | } |
Daniel Veillard | a8ff65d | 2003-11-03 16:20:10 +0000 | [diff] [blame] | 6623 | |
| 6624 | if (doc != NULL) |
| 6625 | elem = xmlGetDtdElementDesc(doc->intSubset, cur->elem); |
| 6626 | if ((elem == NULL) && (doc != NULL)) |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6627 | elem = xmlGetDtdElementDesc(doc->extSubset, cur->elem); |
Daniel Veillard | a8ff65d | 2003-11-03 16:20:10 +0000 | [diff] [blame] | 6628 | if ((elem == NULL) && (cur->parent != NULL) && |
| 6629 | (cur->parent->type == XML_DTD_NODE)) |
| 6630 | elem = xmlGetDtdElementDesc((xmlDtdPtr) cur->parent, cur->elem); |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6631 | if (elem == NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6632 | xmlErrValidNode(ctxt, NULL, XML_DTD_UNKNOWN_ELEM, |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6633 | "attribute %s: could not find decl for element %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6634 | cur->name, cur->elem, NULL); |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6635 | return; |
| 6636 | } |
| 6637 | if (elem->etype == XML_ELEMENT_TYPE_EMPTY) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6638 | xmlErrValidNode(ctxt, NULL, XML_DTD_EMPTY_NOTATION, |
Daniel Veillard | 58e44c9 | 2002-08-02 22:19:49 +0000 | [diff] [blame] | 6639 | "NOTATION attribute %s declared for EMPTY element %s\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6640 | cur->name, cur->elem, NULL); |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6641 | ctxt->valid = 0; |
| 6642 | } |
| 6643 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6644 | } |
| 6645 | |
| 6646 | /** |
| 6647 | * xmlValidateDtdFinal: |
| 6648 | * @ctxt: the validation context |
| 6649 | * @doc: a document instance |
| 6650 | * |
| 6651 | * Does the final step for the dtds validation once all the |
| 6652 | * subsets have been parsed |
| 6653 | * |
| 6654 | * basically it does the following checks described by the XML Rec |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6655 | * - check that ENTITY and ENTITIES type attributes default or |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6656 | * possible values matches one of the defined entities. |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6657 | * - check that NOTATION type attributes default or |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6658 | * possible values matches one of the defined notations. |
| 6659 | * |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6660 | * returns 1 if valid or 0 if invalid and -1 if not well-formed |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6661 | */ |
| 6662 | |
| 6663 | int |
| 6664 | xmlValidateDtdFinal(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6665 | xmlDtdPtr dtd; |
| 6666 | xmlAttributeTablePtr table; |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6667 | xmlEntitiesTablePtr entities; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6668 | |
Daniel Veillard | 2cba415 | 2008-08-27 11:45:41 +0000 | [diff] [blame] | 6669 | if ((doc == NULL) || (ctxt == NULL)) return(0); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6670 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) |
| 6671 | return(0); |
| 6672 | ctxt->doc = doc; |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6673 | ctxt->valid = 1; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6674 | dtd = doc->intSubset; |
| 6675 | if ((dtd != NULL) && (dtd->attributes != NULL)) { |
| 6676 | table = (xmlAttributeTablePtr) dtd->attributes; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6677 | xmlHashScan(table, xmlValidateAttributeCallback, ctxt); |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6678 | } |
| 6679 | if ((dtd != NULL) && (dtd->entities != NULL)) { |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6680 | entities = (xmlEntitiesTablePtr) dtd->entities; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6681 | xmlHashScan(entities, xmlValidateNotationCallback, ctxt); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6682 | } |
| 6683 | dtd = doc->extSubset; |
| 6684 | if ((dtd != NULL) && (dtd->attributes != NULL)) { |
| 6685 | table = (xmlAttributeTablePtr) dtd->attributes; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6686 | xmlHashScan(table, xmlValidateAttributeCallback, ctxt); |
Daniel Veillard | 878eab0 | 2002-02-19 13:46:09 +0000 | [diff] [blame] | 6687 | } |
| 6688 | if ((dtd != NULL) && (dtd->entities != NULL)) { |
Daniel Veillard | 8ab0f58 | 2002-02-18 18:31:38 +0000 | [diff] [blame] | 6689 | entities = (xmlEntitiesTablePtr) dtd->entities; |
Nick Wellnhofer | e03f0a1 | 2017-11-09 16:42:47 +0100 | [diff] [blame] | 6690 | xmlHashScan(entities, xmlValidateNotationCallback, ctxt); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6691 | } |
| 6692 | return(ctxt->valid); |
| 6693 | } |
| 6694 | |
| 6695 | /** |
| 6696 | * xmlValidateDocument: |
| 6697 | * @ctxt: the validation context |
| 6698 | * @doc: a document instance |
| 6699 | * |
| 6700 | * Try to validate the document instance |
| 6701 | * |
| 6702 | * basically it does the all the checks described by the XML Rec |
| 6703 | * i.e. validates the internal and external subset (if present) |
| 6704 | * and validate the document tree. |
| 6705 | * |
| 6706 | * returns 1 if valid or 0 otherwise |
| 6707 | */ |
| 6708 | |
| 6709 | int |
| 6710 | xmlValidateDocument(xmlValidCtxtPtr ctxt, xmlDocPtr doc) { |
| 6711 | int ret; |
| 6712 | xmlNodePtr root; |
| 6713 | |
Daniel Veillard | c0be74b | 2004-11-03 19:16:55 +0000 | [diff] [blame] | 6714 | if (doc == NULL) |
| 6715 | return(0); |
Daniel Veillard | 2fd8542 | 2002-10-16 14:32:41 +0000 | [diff] [blame] | 6716 | if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6717 | xmlErrValid(ctxt, XML_DTD_NO_DTD, |
| 6718 | "no DTD found!\n", NULL); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6719 | return(0); |
Daniel Veillard | 2fd8542 | 2002-10-16 14:32:41 +0000 | [diff] [blame] | 6720 | } |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6721 | if ((doc->intSubset != NULL) && ((doc->intSubset->SystemID != NULL) || |
| 6722 | (doc->intSubset->ExternalID != NULL)) && (doc->extSubset == NULL)) { |
William M. Brack | 8c22f9f | 2004-08-06 16:23:27 +0000 | [diff] [blame] | 6723 | xmlChar *sysID; |
| 6724 | if (doc->intSubset->SystemID != NULL) { |
William M. Brack | bebe730 | 2004-08-05 06:46:47 +0000 | [diff] [blame] | 6725 | sysID = xmlBuildURI(doc->intSubset->SystemID, |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6726 | doc->URL); |
William M. Brack | 8c22f9f | 2004-08-06 16:23:27 +0000 | [diff] [blame] | 6727 | if (sysID == NULL) { |
| 6728 | xmlErrValid(ctxt, XML_DTD_LOAD_ERROR, |
| 6729 | "Could not build URI for external subset \"%s\"\n", |
| 6730 | (const char *) doc->intSubset->SystemID); |
| 6731 | return 0; |
| 6732 | } |
| 6733 | } else |
William M. Brack | bebe730 | 2004-08-05 06:46:47 +0000 | [diff] [blame] | 6734 | sysID = NULL; |
William M. Brack | 8c22f9f | 2004-08-06 16:23:27 +0000 | [diff] [blame] | 6735 | doc->extSubset = xmlParseDTD(doc->intSubset->ExternalID, |
William M. Brack | bebe730 | 2004-08-05 06:46:47 +0000 | [diff] [blame] | 6736 | (const xmlChar *)sysID); |
William M. Brack | bebe730 | 2004-08-05 06:46:47 +0000 | [diff] [blame] | 6737 | if (sysID != NULL) |
| 6738 | xmlFree(sysID); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6739 | if (doc->extSubset == NULL) { |
| 6740 | if (doc->intSubset->SystemID != NULL) { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6741 | xmlErrValid(ctxt, XML_DTD_LOAD_ERROR, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6742 | "Could not load the external subset \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6743 | (const char *) doc->intSubset->SystemID); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6744 | } else { |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6745 | xmlErrValid(ctxt, XML_DTD_LOAD_ERROR, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6746 | "Could not load the external subset \"%s\"\n", |
Daniel Veillard | bb5abab | 2003-10-03 22:21:51 +0000 | [diff] [blame] | 6747 | (const char *) doc->intSubset->ExternalID); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6748 | } |
| 6749 | return(0); |
| 6750 | } |
| 6751 | } |
| 6752 | |
| 6753 | if (doc->ids != NULL) { |
| 6754 | xmlFreeIDTable(doc->ids); |
| 6755 | doc->ids = NULL; |
| 6756 | } |
| 6757 | if (doc->refs != NULL) { |
| 6758 | xmlFreeRefTable(doc->refs); |
| 6759 | doc->refs = NULL; |
| 6760 | } |
| 6761 | ret = xmlValidateDtdFinal(ctxt, doc); |
| 6762 | if (!xmlValidateRoot(ctxt, doc)) return(0); |
| 6763 | |
| 6764 | root = xmlDocGetRootElement(doc); |
| 6765 | ret &= xmlValidateElement(ctxt, doc, root); |
| 6766 | ret &= xmlValidateDocumentFinal(ctxt, doc); |
| 6767 | return(ret); |
| 6768 | } |
| 6769 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6770 | /************************************************************************ |
| 6771 | * * |
| 6772 | * Routines for dynamic validation editing * |
| 6773 | * * |
| 6774 | ************************************************************************/ |
| 6775 | |
| 6776 | /** |
| 6777 | * xmlValidGetPotentialChildren: |
| 6778 | * @ctree: an element content tree |
Daniel Veillard | 7802ba5 | 2005-10-27 11:56:20 +0000 | [diff] [blame] | 6779 | * @names: an array to store the list of child names |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6780 | * @len: a pointer to the number of element in the list |
| 6781 | * @max: the size of the array |
| 6782 | * |
| 6783 | * Build/extend a list of potential children allowed by the content tree |
| 6784 | * |
| 6785 | * returns the number of element in the list, or -1 in case of error. |
| 6786 | */ |
| 6787 | |
| 6788 | int |
Daniel Veillard | 7802ba5 | 2005-10-27 11:56:20 +0000 | [diff] [blame] | 6789 | xmlValidGetPotentialChildren(xmlElementContent *ctree, |
| 6790 | const xmlChar **names, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6791 | int *len, int max) { |
| 6792 | int i; |
| 6793 | |
Daniel Veillard | 7802ba5 | 2005-10-27 11:56:20 +0000 | [diff] [blame] | 6794 | if ((ctree == NULL) || (names == NULL) || (len == NULL)) |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6795 | return(-1); |
| 6796 | if (*len >= max) return(*len); |
| 6797 | |
| 6798 | switch (ctree->type) { |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6799 | case XML_ELEMENT_CONTENT_PCDATA: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6800 | for (i = 0; i < *len;i++) |
Daniel Veillard | 7802ba5 | 2005-10-27 11:56:20 +0000 | [diff] [blame] | 6801 | if (xmlStrEqual(BAD_CAST "#PCDATA", names[i])) return(*len); |
| 6802 | names[(*len)++] = BAD_CAST "#PCDATA"; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6803 | break; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6804 | case XML_ELEMENT_CONTENT_ELEMENT: |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6805 | for (i = 0; i < *len;i++) |
Daniel Veillard | 7802ba5 | 2005-10-27 11:56:20 +0000 | [diff] [blame] | 6806 | if (xmlStrEqual(ctree->name, names[i])) return(*len); |
| 6807 | names[(*len)++] = ctree->name; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6808 | break; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6809 | case XML_ELEMENT_CONTENT_SEQ: |
Daniel Veillard | 7802ba5 | 2005-10-27 11:56:20 +0000 | [diff] [blame] | 6810 | xmlValidGetPotentialChildren(ctree->c1, names, len, max); |
| 6811 | xmlValidGetPotentialChildren(ctree->c2, names, len, max); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6812 | break; |
| 6813 | case XML_ELEMENT_CONTENT_OR: |
Daniel Veillard | 7802ba5 | 2005-10-27 11:56:20 +0000 | [diff] [blame] | 6814 | xmlValidGetPotentialChildren(ctree->c1, names, len, max); |
| 6815 | xmlValidGetPotentialChildren(ctree->c2, names, len, max); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6816 | break; |
| 6817 | } |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6818 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6819 | return(*len); |
| 6820 | } |
| 6821 | |
William M. Brack | 9333cc2 | 2004-06-24 08:33:40 +0000 | [diff] [blame] | 6822 | /* |
| 6823 | * Dummy function to suppress messages while we try out valid elements |
| 6824 | */ |
Nick Wellnhofer | dd3569e | 2022-12-08 02:43:17 +0100 | [diff] [blame] | 6825 | static void xmlNoValidityErr(void *ctx ATTRIBUTE_UNUSED, |
William M. Brack | 9333cc2 | 2004-06-24 08:33:40 +0000 | [diff] [blame] | 6826 | const char *msg ATTRIBUTE_UNUSED, ...) { |
| 6827 | return; |
| 6828 | } |
| 6829 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6830 | /** |
| 6831 | * xmlValidGetValidElements: |
| 6832 | * @prev: an element to insert after |
| 6833 | * @next: an element to insert next |
Daniel Veillard | aecc0dc | 2004-05-08 02:32:07 +0000 | [diff] [blame] | 6834 | * @names: an array to store the list of child names |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6835 | * @max: the size of the array |
| 6836 | * |
| 6837 | * This function returns the list of authorized children to insert |
| 6838 | * within an existing tree while respecting the validity constraints |
| 6839 | * forced by the Dtd. The insertion point is defined using @prev and |
| 6840 | * @next in the following ways: |
| 6841 | * to insert before 'node': xmlValidGetValidElements(node->prev, node, ... |
| 6842 | * to insert next 'node': xmlValidGetValidElements(node, node->next, ... |
| 6843 | * to replace 'node': xmlValidGetValidElements(node->prev, node->next, ... |
| 6844 | * to prepend a child to 'node': xmlValidGetValidElements(NULL, node->childs, |
| 6845 | * to append a child to 'node': xmlValidGetValidElements(node->last, NULL, ... |
| 6846 | * |
| 6847 | * pointers to the element names are inserted at the beginning of the array |
| 6848 | * and do not need to be freed. |
| 6849 | * |
| 6850 | * returns the number of element in the list, or -1 in case of error. If |
| 6851 | * the function returns the value @max the caller is invited to grow the |
| 6852 | * receiving array and retry. |
| 6853 | */ |
| 6854 | |
| 6855 | int |
Daniel Veillard | aecc0dc | 2004-05-08 02:32:07 +0000 | [diff] [blame] | 6856 | xmlValidGetValidElements(xmlNode *prev, xmlNode *next, const xmlChar **names, |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6857 | int max) { |
Daniel Veillard | f69bb4b | 2001-05-19 13:24:56 +0000 | [diff] [blame] | 6858 | xmlValidCtxt vctxt; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6859 | int nb_valid_elements = 0; |
Daniel Veillard | e18bce0 | 2014-02-06 10:47:20 +0100 | [diff] [blame] | 6860 | const xmlChar *elements[256]={0}; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6861 | int nb_elements = 0, i; |
Daniel Veillard | 5e5c2d0 | 2002-02-09 18:03:01 +0000 | [diff] [blame] | 6862 | const xmlChar *name; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6863 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6864 | xmlNode *ref_node; |
| 6865 | xmlNode *parent; |
| 6866 | xmlNode *test_node; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6867 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6868 | xmlNode *prev_next; |
| 6869 | xmlNode *next_prev; |
| 6870 | xmlNode *parent_childs; |
| 6871 | xmlNode *parent_last; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6872 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6873 | xmlElement *element_desc; |
| 6874 | |
| 6875 | if (prev == NULL && next == NULL) |
| 6876 | return(-1); |
| 6877 | |
Daniel Veillard | aecc0dc | 2004-05-08 02:32:07 +0000 | [diff] [blame] | 6878 | if (names == NULL) return(-1); |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6879 | if (max <= 0) return(-1); |
| 6880 | |
William M. Brack | 9333cc2 | 2004-06-24 08:33:40 +0000 | [diff] [blame] | 6881 | memset(&vctxt, 0, sizeof (xmlValidCtxt)); |
| 6882 | vctxt.error = xmlNoValidityErr; /* this suppresses err/warn output */ |
| 6883 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6884 | nb_valid_elements = 0; |
| 6885 | ref_node = prev ? prev : next; |
| 6886 | parent = ref_node->parent; |
| 6887 | |
| 6888 | /* |
| 6889 | * Retrieves the parent element declaration |
| 6890 | */ |
| 6891 | element_desc = xmlGetDtdElementDesc(parent->doc->intSubset, |
| 6892 | parent->name); |
| 6893 | if ((element_desc == NULL) && (parent->doc->extSubset != NULL)) |
| 6894 | element_desc = xmlGetDtdElementDesc(parent->doc->extSubset, |
| 6895 | parent->name); |
| 6896 | if (element_desc == NULL) return(-1); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6897 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6898 | /* |
| 6899 | * Do a backup of the current tree structure |
| 6900 | */ |
| 6901 | prev_next = prev ? prev->next : NULL; |
| 6902 | next_prev = next ? next->prev : NULL; |
| 6903 | parent_childs = parent->children; |
| 6904 | parent_last = parent->last; |
| 6905 | |
| 6906 | /* |
| 6907 | * Creates a dummy node and insert it into the tree |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6908 | */ |
Daniel Veillard | 95ddcd3 | 2004-10-26 21:53:55 +0000 | [diff] [blame] | 6909 | test_node = xmlNewDocNode (ref_node->doc, NULL, BAD_CAST "<!dummy?>", NULL); |
Gaurav Gupta | 658b86c | 2014-08-07 11:19:03 +0800 | [diff] [blame] | 6910 | if (test_node == NULL) |
| 6911 | return(-1); |
| 6912 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6913 | test_node->parent = parent; |
| 6914 | test_node->prev = prev; |
| 6915 | test_node->next = next; |
Daniel Veillard | d455d79 | 2002-02-08 13:37:46 +0000 | [diff] [blame] | 6916 | name = test_node->name; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6917 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6918 | if (prev) prev->next = test_node; |
| 6919 | else parent->children = test_node; |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6920 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6921 | if (next) next->prev = test_node; |
| 6922 | else parent->last = test_node; |
| 6923 | |
| 6924 | /* |
| 6925 | * Insert each potential child node and check if the parent is |
| 6926 | * still valid |
| 6927 | */ |
| 6928 | nb_elements = xmlValidGetPotentialChildren(element_desc->content, |
| 6929 | elements, &nb_elements, 256); |
Daniel Veillard | f8e3db0 | 2012-09-11 13:26:36 +0800 | [diff] [blame] | 6930 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6931 | for (i = 0;i < nb_elements;i++) { |
| 6932 | test_node->name = elements[i]; |
Daniel Veillard | f69bb4b | 2001-05-19 13:24:56 +0000 | [diff] [blame] | 6933 | if (xmlValidateOneElement(&vctxt, parent->doc, parent)) { |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6934 | int j; |
| 6935 | |
| 6936 | for (j = 0; j < nb_valid_elements;j++) |
Daniel Veillard | aecc0dc | 2004-05-08 02:32:07 +0000 | [diff] [blame] | 6937 | if (xmlStrEqual(elements[i], names[j])) break; |
| 6938 | names[nb_valid_elements++] = elements[i]; |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6939 | if (nb_valid_elements >= max) break; |
| 6940 | } |
| 6941 | } |
| 6942 | |
| 6943 | /* |
| 6944 | * Restore the tree structure |
| 6945 | */ |
| 6946 | if (prev) prev->next = prev_next; |
| 6947 | if (next) next->prev = next_prev; |
| 6948 | parent->children = parent_childs; |
| 6949 | parent->last = parent_last; |
Daniel Veillard | d455d79 | 2002-02-08 13:37:46 +0000 | [diff] [blame] | 6950 | |
| 6951 | /* |
| 6952 | * Free up the dummy node |
| 6953 | */ |
| 6954 | test_node->name = name; |
| 6955 | xmlFreeNode(test_node); |
| 6956 | |
Owen Taylor | 3473f88 | 2001-02-23 17:55:21 +0000 | [diff] [blame] | 6957 | return(nb_valid_elements); |
| 6958 | } |
Daniel Veillard | 4432df2 | 2003-09-28 18:58:27 +0000 | [diff] [blame] | 6959 | #endif /* LIBXML_VALID_ENABLED */ |
| 6960 | |