ohair | 6c32066 | 2012-03-04 11:55:34 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * reserved comment block |
| 3 | * DO NOT REMOVE OR ALTER! |
| 4 | */ |
| 5 | /* |
| 6 | * Copyright 2005 The Apache Software Foundation. |
| 7 | * |
| 8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | * See the License for the specific language governing permissions and |
| 18 | * limitations under the License. |
| 19 | */ |
| 20 | package com.sun.org.apache.xerces.internal.xpointer; |
| 21 | |
| 22 | import java.util.Hashtable; |
| 23 | import java.util.Vector; |
| 24 | |
| 25 | import com.sun.org.apache.xerces.internal.impl.Constants; |
| 26 | import com.sun.org.apache.xerces.internal.impl.XMLErrorReporter; |
| 27 | import com.sun.org.apache.xerces.internal.util.SymbolTable; |
| 28 | import com.sun.org.apache.xerces.internal.util.XMLChar; |
| 29 | import com.sun.org.apache.xerces.internal.util.XMLSymbols; |
| 30 | import com.sun.org.apache.xerces.internal.xinclude.XIncludeHandler; |
| 31 | import com.sun.org.apache.xerces.internal.xinclude.XIncludeNamespaceSupport; |
| 32 | import com.sun.org.apache.xerces.internal.xni.Augmentations; |
| 33 | import com.sun.org.apache.xerces.internal.xni.QName; |
| 34 | import com.sun.org.apache.xerces.internal.xni.XMLAttributes; |
| 35 | import com.sun.org.apache.xerces.internal.xni.XMLString; |
| 36 | import com.sun.org.apache.xerces.internal.xni.XNIException; |
| 37 | import com.sun.org.apache.xerces.internal.xni.parser.XMLConfigurationException; |
| 38 | import com.sun.org.apache.xerces.internal.xni.parser.XMLErrorHandler; |
| 39 | |
| 40 | /** |
| 41 | * <p> |
| 42 | * This is a pipeline component which extends the XIncludeHandler to perform |
| 43 | * XPointer specific processing specified in the W3C XPointerFramework and |
| 44 | * element() Scheme Recommendations. |
| 45 | * </p> |
| 46 | * |
| 47 | * <p> |
| 48 | * This component analyzes each event in the pipeline, looking for an element |
| 49 | * that matches a PointerPart in the parent XInclude element's xpointer attribute |
| 50 | * value. If the match succeeds, all children are passed by this component. |
| 51 | * </p> |
| 52 | * |
| 53 | * <p> |
| 54 | * See the <a href="http://www.w3.org/TR/xptr-framework//">XPointer Framework Recommendation</a> for |
| 55 | * more information on the XPointer Framework and ShortHand Pointers. |
| 56 | * See the <a href="http://www.w3.org/TR/xptr-element/">XPointer element() Scheme Recommendation</a> for |
| 57 | * more information on the XPointer element() Scheme. |
| 58 | * </p> |
| 59 | * |
| 60 | * @xerces.internal |
| 61 | * |
| 62 | */ |
| 63 | public final class XPointerHandler extends XIncludeHandler implements |
| 64 | XPointerProcessor { |
| 65 | |
| 66 | // Fields |
| 67 | // A Vector of XPointerParts |
| 68 | protected Vector fXPointerParts = null; |
| 69 | |
| 70 | // The current XPointerPart |
| 71 | protected XPointerPart fXPointerPart = null; |
| 72 | |
| 73 | // Has the fXPointerPart resolved successfully |
| 74 | protected boolean fFoundMatchingPtrPart = false; |
| 75 | |
| 76 | // The XPointer Error reporter |
| 77 | protected XMLErrorReporter fXPointerErrorReporter; |
| 78 | |
| 79 | // The XPointer Error Handler |
| 80 | protected XMLErrorHandler fErrorHandler; |
| 81 | |
| 82 | // XPointerFramework symbol table |
| 83 | protected SymbolTable fSymbolTable = null; |
| 84 | |
| 85 | // Supported schemes |
| 86 | private final String ELEMENT_SCHEME_NAME = "element"; |
| 87 | |
| 88 | // Has the XPointer resolved the subresource |
| 89 | protected boolean fIsXPointerResolved = false; |
| 90 | |
| 91 | // Fixup xml:base and xml:lang attributes |
| 92 | protected boolean fFixupBase = false; |
| 93 | protected boolean fFixupLang = false; |
| 94 | |
| 95 | // ************************************************************************ |
| 96 | // Constructors |
| 97 | // ************************************************************************ |
| 98 | |
| 99 | /** |
| 100 | * |
| 101 | */ |
| 102 | public XPointerHandler() { |
| 103 | super(); |
| 104 | |
| 105 | fXPointerParts = new Vector(); |
| 106 | fSymbolTable = new SymbolTable(); |
| 107 | } |
| 108 | |
| 109 | public XPointerHandler(SymbolTable symbolTable, |
| 110 | XMLErrorHandler errorHandler, XMLErrorReporter errorReporter) { |
| 111 | super(); |
| 112 | |
| 113 | fXPointerParts = new Vector(); |
| 114 | fSymbolTable = symbolTable; |
| 115 | fErrorHandler = errorHandler; |
| 116 | fXPointerErrorReporter = errorReporter; |
| 117 | //fErrorReporter = errorReporter; // The XInclude ErrorReporter |
| 118 | } |
| 119 | |
| 120 | // ************************************************************************ |
| 121 | // Implementation of the XPointerProcessor interface. |
| 122 | // ************************************************************************ |
| 123 | |
| 124 | /** |
| 125 | * Parses the XPointer framework expression and delegates scheme specific parsing. |
| 126 | * |
| 127 | * @see com.sun.org.apache.xerces.internal.xpointer.XPointerProcessor#parseXPointer(java.lang.String) |
| 128 | */ |
| 129 | public void parseXPointer(String xpointer) throws XNIException { |
| 130 | |
| 131 | // Initialize |
| 132 | init(); |
| 133 | |
| 134 | // tokens |
| 135 | final Tokens tokens = new Tokens(fSymbolTable); |
| 136 | |
| 137 | // scanner |
| 138 | Scanner scanner = new Scanner(fSymbolTable) { |
| 139 | protected void addToken(Tokens tokens, int token) |
| 140 | throws XNIException { |
| 141 | if (token == Tokens.XPTRTOKEN_OPEN_PAREN |
| 142 | || token == Tokens.XPTRTOKEN_CLOSE_PAREN |
| 143 | || token == Tokens.XPTRTOKEN_SCHEMENAME |
| 144 | || token == Tokens.XPTRTOKEN_SCHEMEDATA |
| 145 | || token == Tokens.XPTRTOKEN_SHORTHAND) { |
| 146 | super.addToken(tokens, token); |
| 147 | return; |
| 148 | } |
| 149 | reportError("InvalidXPointerToken", new Object[] { tokens |
| 150 | .getTokenString(token) }); |
| 151 | } |
| 152 | }; |
| 153 | |
| 154 | // scan the XPointer expression |
| 155 | int length = xpointer.length(); |
| 156 | boolean success = scanner.scanExpr(fSymbolTable, tokens, xpointer, 0, |
| 157 | length); |
| 158 | |
| 159 | if (!success) |
| 160 | reportError("InvalidXPointerExpression", new Object[] { xpointer }); |
| 161 | |
| 162 | while (tokens.hasMore()) { |
| 163 | int token = tokens.nextToken(); |
| 164 | |
| 165 | switch (token) { |
| 166 | case Tokens.XPTRTOKEN_SHORTHAND: { |
| 167 | |
| 168 | // The shortHand name |
| 169 | token = tokens.nextToken(); |
| 170 | String shortHandPointerName = tokens.getTokenString(token); |
| 171 | |
| 172 | if (shortHandPointerName == null) { |
| 173 | reportError("InvalidXPointerExpression", |
| 174 | new Object[] { xpointer }); |
| 175 | } |
| 176 | |
| 177 | XPointerPart shortHandPointer = new ShortHandPointer( |
| 178 | fSymbolTable); |
| 179 | shortHandPointer.setSchemeName(shortHandPointerName); |
| 180 | fXPointerParts.add(shortHandPointer); |
| 181 | break; |
| 182 | } |
| 183 | case Tokens.XPTRTOKEN_SCHEMENAME: { |
| 184 | |
| 185 | // Retreive the local name and prefix to form the scheme name |
| 186 | token = tokens.nextToken(); |
| 187 | String prefix = tokens.getTokenString(token); |
| 188 | token = tokens.nextToken(); |
| 189 | String localName = tokens.getTokenString(token); |
| 190 | |
| 191 | String schemeName = prefix + localName; |
| 192 | |
| 193 | // The next character should be an open parenthesis |
| 194 | int openParenCount = 0; |
| 195 | int closeParenCount = 0; |
| 196 | |
| 197 | token = tokens.nextToken(); |
| 198 | String openParen = tokens.getTokenString(token); |
| 199 | if (openParen != "XPTRTOKEN_OPEN_PAREN") { |
| 200 | |
| 201 | // can not have more than one ShortHand Pointer |
| 202 | if (token == Tokens.XPTRTOKEN_SHORTHAND) { |
| 203 | reportError("MultipleShortHandPointers", |
| 204 | new Object[] { xpointer }); |
| 205 | } else { |
| 206 | reportError("InvalidXPointerExpression", |
| 207 | new Object[] { xpointer }); |
| 208 | } |
| 209 | } |
| 210 | openParenCount++; |
| 211 | |
| 212 | // followed by zero or more ( and the schemeData |
| 213 | String schemeData = null; |
| 214 | while (tokens.hasMore()) { |
| 215 | token = tokens.nextToken(); |
| 216 | schemeData = tokens.getTokenString(token); |
| 217 | if (schemeData != "XPTRTOKEN_OPEN_PAREN") { |
| 218 | break; |
| 219 | } |
| 220 | openParenCount++; |
| 221 | } |
| 222 | token = tokens.nextToken(); |
| 223 | schemeData = tokens.getTokenString(token); |
| 224 | |
| 225 | // followed by the same number of ) |
| 226 | token = tokens.nextToken(); |
| 227 | String closeParen = tokens.getTokenString(token); |
| 228 | if (closeParen != "XPTRTOKEN_CLOSE_PAREN") { |
| 229 | reportError("SchemeDataNotFollowedByCloseParenthesis", |
| 230 | new Object[] { xpointer }); |
| 231 | } |
| 232 | closeParenCount++; |
| 233 | |
| 234 | while (tokens.hasMore()) { |
| 235 | if (tokens.getTokenString(tokens.peekToken()) != "XPTRTOKEN_OPEN_PAREN") { |
| 236 | break; |
| 237 | } |
| 238 | closeParenCount++; |
| 239 | } |
| 240 | |
| 241 | // check if the number of open parenthesis are equal to the number of close parenthesis |
| 242 | if (openParenCount != closeParenCount) { |
| 243 | reportError("UnbalancedParenthesisInXPointerExpression", |
| 244 | new Object[] { xpointer, |
| 245 | new Integer(openParenCount), |
| 246 | new Integer(closeParenCount) }); |
| 247 | } |
| 248 | |
| 249 | // Perform scheme specific parsing of the pointer part |
| 250 | if (schemeName.equals(ELEMENT_SCHEME_NAME)) { |
| 251 | XPointerPart elementSchemePointer = new ElementSchemePointer( |
| 252 | fSymbolTable, fErrorReporter); |
| 253 | elementSchemePointer.setSchemeName(schemeName); |
| 254 | elementSchemePointer.setSchemeData(schemeData); |
| 255 | |
| 256 | // If an exception occurs while parsing the element() scheme expression |
| 257 | // ignore it and move on to the next pointer part |
| 258 | try { |
| 259 | elementSchemePointer.parseXPointer(schemeData); |
| 260 | fXPointerParts.add(elementSchemePointer); |
| 261 | } catch (XNIException e) { |
| 262 | // Re-throw the XPointer element() scheme syntax error. |
| 263 | throw new XNIException (e); |
| 264 | } |
| 265 | |
| 266 | } else { |
| 267 | // ???? |
| 268 | reportWarning("SchemeUnsupported", |
| 269 | new Object[] { schemeName }); |
| 270 | } |
| 271 | |
| 272 | break; |
| 273 | } |
| 274 | default: |
| 275 | reportError("InvalidXPointerExpression", |
| 276 | new Object[] { xpointer }); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | } |
| 281 | |
| 282 | /** |
| 283 | * |
| 284 | * @see com.sun.org.apache.xerces.internal.xpointer.XPointerProcessor#resolveXPointer(com.sun.org.apache.xerces.internal.xni.QName, com.sun.org.apache.xerces.internal.xni.XMLAttributes, com.sun.org.apache.xerces.internal.xni.Augmentations, int event) |
| 285 | */ |
| 286 | public boolean resolveXPointer(QName element, XMLAttributes attributes, |
| 287 | Augmentations augs, int event) throws XNIException { |
| 288 | boolean resolved = false; |
| 289 | |
| 290 | // The result of the first pointer part whose evaluation identifies |
| 291 | // one or more subresources is reported by the XPointer processor as the |
| 292 | // result of the pointer as a whole, and evaluation stops. |
| 293 | // In our implementation, typically the first xpointer scheme that |
| 294 | // matches an element is the document is considered. |
| 295 | // If the pointer part resolved then use it, else search for the fragment |
| 296 | // using next pointer part from lef-right. |
| 297 | if (!fFoundMatchingPtrPart) { |
| 298 | |
| 299 | // for each element, attempt to resolve it against each pointer part |
| 300 | // in the XPointer expression until a matching element is found. |
| 301 | for (int i = 0; i < fXPointerParts.size(); i++) { |
| 302 | |
| 303 | fXPointerPart = (XPointerPart) fXPointerParts.get(i); |
| 304 | |
| 305 | if (fXPointerPart.resolveXPointer(element, attributes, augs, |
| 306 | event)) { |
| 307 | fFoundMatchingPtrPart = true; |
| 308 | resolved = true; |
| 309 | } |
| 310 | } |
| 311 | } else { |
| 312 | if (fXPointerPart.resolveXPointer(element, attributes, augs, event)) { |
| 313 | resolved = true; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | if (!fIsXPointerResolved) { |
| 318 | fIsXPointerResolved = resolved; |
| 319 | } |
| 320 | |
| 321 | return resolved; |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Returns true if the Node fragment is resolved. |
| 326 | * |
| 327 | * @see com.sun.org.apache.xerces.internal.xpointer.XPointerProcessor#isFragmentResolved() |
| 328 | */ |
| 329 | public boolean isFragmentResolved() throws XNIException { |
| 330 | boolean resolved = (fXPointerPart != null) ? fXPointerPart.isFragmentResolved() |
| 331 | : false; |
| 332 | |
| 333 | if (!fIsXPointerResolved) { |
| 334 | fIsXPointerResolved = resolved; |
| 335 | } |
| 336 | |
| 337 | return resolved; |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Returns true if the XPointer expression resolves to a non-element child |
| 342 | * of the current resource fragment. |
| 343 | * |
| 344 | * @see com.sun.org.apache.xerces.internal.xpointer.XPointerPart#isChildFragmentResolved() |
| 345 | * |
| 346 | */ |
| 347 | public boolean isChildFragmentResolved() throws XNIException { |
| 348 | boolean resolved = (fXPointerPart != null) ? fXPointerPart |
| 349 | .isChildFragmentResolved() : false; |
| 350 | return resolved; |
| 351 | } |
| 352 | |
| 353 | /** |
| 354 | * Returns true if the XPointer successfully found a sub-resource . |
| 355 | * |
| 356 | * @see com.sun.org.apache.xerces.internal.xpointer.XPointerProcessor#isFragmentResolved() |
| 357 | */ |
| 358 | public boolean isXPointerResolved() throws XNIException { |
| 359 | return fIsXPointerResolved; |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Returns the pointer part used to resolve the document fragment. |
| 364 | * |
| 365 | * @return String - The pointer part used to resolve the document fragment. |
| 366 | */ |
| 367 | public XPointerPart getXPointerPart() { |
| 368 | return fXPointerPart; |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * Reports XPointer Errors |
| 373 | * |
| 374 | */ |
| 375 | private void reportError(String key, Object[] arguments) |
| 376 | throws XNIException { |
| 377 | /* |
| 378 | fXPointerErrorReporter.reportError( |
| 379 | XPointerMessageFormatter.XPOINTER_DOMAIN, key, arguments, |
| 380 | XMLErrorReporter.SEVERITY_ERROR); |
| 381 | */ |
| 382 | throw new XNIException((fErrorReporter |
| 383 | .getMessageFormatter(XPointerMessageFormatter.XPOINTER_DOMAIN)) |
| 384 | .formatMessage(fErrorReporter.getLocale(), key, arguments)); |
| 385 | } |
| 386 | |
| 387 | /** |
| 388 | * Reports XPointer Warnings |
| 389 | * |
| 390 | */ |
| 391 | private void reportWarning(String key, Object[] arguments) |
| 392 | throws XNIException { |
| 393 | fXPointerErrorReporter.reportError( |
| 394 | XPointerMessageFormatter.XPOINTER_DOMAIN, key, arguments, |
| 395 | XMLErrorReporter.SEVERITY_WARNING); |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * Initializes error handling objects |
| 400 | * |
| 401 | */ |
| 402 | protected void initErrorReporter() { |
| 403 | if (fXPointerErrorReporter == null) { |
| 404 | fXPointerErrorReporter = new XMLErrorReporter(); |
| 405 | } |
| 406 | if (fErrorHandler == null) { |
| 407 | fErrorHandler = new XPointerErrorHandler(); |
| 408 | } |
| 409 | /* |
| 410 | fXPointerErrorReporter.setProperty(Constants.XERCES_PROPERTY_PREFIX |
| 411 | + Constants.ERROR_HANDLER_PROPERTY, fErrorHandler); |
| 412 | */ |
| 413 | fXPointerErrorReporter.putMessageFormatter( |
| 414 | XPointerMessageFormatter.XPOINTER_DOMAIN, |
| 415 | new XPointerMessageFormatter()); |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * Initializes the XPointer Processor; |
| 420 | */ |
| 421 | protected void init() { |
| 422 | fXPointerParts.clear(); |
| 423 | fXPointerPart = null; |
| 424 | fFoundMatchingPtrPart = false; |
| 425 | fIsXPointerResolved = false; |
| 426 | //fFixupBase = false; |
| 427 | //fFixupLang = false; |
| 428 | |
| 429 | initErrorReporter(); |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * Returns a Vector of XPointerPart objects |
| 434 | * |
| 435 | * @return A Vector of XPointerPart objects. |
| 436 | */ |
| 437 | public Vector getPointerParts() { |
| 438 | return fXPointerParts; |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * List of XPointer Framework tokens. |
| 443 | * |
| 444 | * @xerces.internal |
| 445 | * |
| 446 | */ |
| 447 | private final class Tokens { |
| 448 | |
| 449 | /** |
| 450 | * XPointer Framework tokens |
| 451 | * [1] Pointer ::= Shorthand | SchemeBased |
| 452 | * [2] Shorthand ::= NCName |
| 453 | * [3] SchemeBased ::= PointerPart (S? PointerPart)* |
| 454 | * [4] PointerPart ::= SchemeName '(' SchemeData ')' |
| 455 | * [5] SchemeName ::= QName |
| 456 | * [6] SchemeData ::= EscapedData* |
| 457 | * [7] EscapedData ::= NormalChar | '^(' | '^)' | '^^' | '(' SchemeData ')' |
| 458 | * [8] NormalChar ::= UnicodeChar - [()^] |
| 459 | * [9] UnicodeChar ::= [#x0-#x10FFFF] |
| 460 | * |
| 461 | */ |
| 462 | private static final int XPTRTOKEN_OPEN_PAREN = 0, |
| 463 | XPTRTOKEN_CLOSE_PAREN = 1, XPTRTOKEN_SHORTHAND = 2, |
| 464 | XPTRTOKEN_SCHEMENAME = 3, XPTRTOKEN_SCHEMEDATA = 4; |
| 465 | |
| 466 | // Token names |
| 467 | private final String[] fgTokenNames = { "XPTRTOKEN_OPEN_PAREN", |
| 468 | "XPTRTOKEN_CLOSE_PAREN", "XPTRTOKEN_SHORTHAND", |
| 469 | "XPTRTOKEN_SCHEMENAME", "XPTRTOKEN_SCHEMEDATA" }; |
| 470 | |
| 471 | // Token count |
| 472 | private static final int INITIAL_TOKEN_COUNT = 1 << 8; |
| 473 | |
| 474 | private int[] fTokens = new int[INITIAL_TOKEN_COUNT]; |
| 475 | |
| 476 | private int fTokenCount = 0; |
| 477 | |
| 478 | // Current token position |
| 479 | private int fCurrentTokenIndex; |
| 480 | |
| 481 | private SymbolTable fSymbolTable; |
| 482 | |
| 483 | private Hashtable fTokenNames = new Hashtable(); |
| 484 | |
| 485 | /** |
| 486 | * Constructor |
| 487 | * |
| 488 | * @param symbolTable SymbolTable |
| 489 | */ |
| 490 | private Tokens(SymbolTable symbolTable) { |
| 491 | fSymbolTable = symbolTable; |
| 492 | |
| 493 | fTokenNames.put(new Integer(XPTRTOKEN_OPEN_PAREN), |
| 494 | "XPTRTOKEN_OPEN_PAREN"); |
| 495 | fTokenNames.put(new Integer(XPTRTOKEN_CLOSE_PAREN), |
| 496 | "XPTRTOKEN_CLOSE_PAREN"); |
| 497 | fTokenNames.put(new Integer(XPTRTOKEN_SHORTHAND), |
| 498 | "XPTRTOKEN_SHORTHAND"); |
| 499 | fTokenNames.put(new Integer(XPTRTOKEN_SCHEMENAME), |
| 500 | "XPTRTOKEN_SCHEMENAME"); |
| 501 | fTokenNames.put(new Integer(XPTRTOKEN_SCHEMEDATA), |
| 502 | "XPTRTOKEN_SCHEMEDATA"); |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * Returns the token String |
| 507 | * @param token The index of the token |
| 508 | * @return String The token string |
| 509 | */ |
| 510 | private String getTokenString(int token) { |
| 511 | return (String) fTokenNames.get(new Integer(token)); |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * Add the specified string as a token |
| 516 | * |
| 517 | * @param token The token string |
| 518 | */ |
| 519 | private void addToken(String tokenStr) { |
| 520 | Integer tokenInt = (Integer) fTokenNames.get(tokenStr); |
| 521 | if (tokenInt == null) { |
| 522 | tokenInt = new Integer(fTokenNames.size()); |
| 523 | fTokenNames.put(tokenInt, tokenStr); |
| 524 | } |
| 525 | addToken(tokenInt.intValue()); |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * Add the specified int token |
| 530 | * |
| 531 | * @param token The int specifying the token |
| 532 | */ |
| 533 | private void addToken(int token) { |
| 534 | try { |
| 535 | fTokens[fTokenCount] = token; |
| 536 | } catch (ArrayIndexOutOfBoundsException ex) { |
| 537 | int[] oldList = fTokens; |
| 538 | fTokens = new int[fTokenCount << 1]; |
| 539 | System.arraycopy(oldList, 0, fTokens, 0, fTokenCount); |
| 540 | fTokens[fTokenCount] = token; |
| 541 | } |
| 542 | fTokenCount++; |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Resets the current position to the head of the token list. |
| 547 | */ |
| 548 | private void rewind() { |
| 549 | fCurrentTokenIndex = 0; |
| 550 | } |
| 551 | |
| 552 | /** |
| 553 | * Returns true if the {@link #getNextToken()} method |
| 554 | * returns a valid token. |
| 555 | */ |
| 556 | private boolean hasMore() { |
| 557 | return fCurrentTokenIndex < fTokenCount; |
| 558 | } |
| 559 | |
| 560 | /** |
| 561 | * Obtains the token at the current position, then advance |
| 562 | * the current position by one. |
| 563 | * |
| 564 | * throws If there's no such next token, this method throws |
| 565 | * <tt>new XNIException("XPointerProcessingError");</tt>. |
| 566 | */ |
| 567 | private int nextToken() throws XNIException { |
| 568 | if (fCurrentTokenIndex == fTokenCount) { |
| 569 | reportError("XPointerProcessingError", null); |
| 570 | } |
| 571 | return fTokens[fCurrentTokenIndex++]; |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * Obtains the token at the current position, without advancing |
| 576 | * the current position. |
| 577 | * |
| 578 | * If there's no such next token, this method throws |
| 579 | * <tt>new XNIException("XPointerProcessingError");</tt>. |
| 580 | */ |
| 581 | private int peekToken() throws XNIException { |
| 582 | if (fCurrentTokenIndex == fTokenCount) { |
| 583 | reportError("XPointerProcessingError", null); |
| 584 | } |
| 585 | return fTokens[fCurrentTokenIndex]; |
| 586 | } |
| 587 | |
| 588 | /** |
| 589 | * Obtains the token at the current position as a String. |
| 590 | * |
| 591 | * If there's no current token or if the current token |
| 592 | * is not a string token, this method throws |
| 593 | * If there's no such next token, this method throws |
| 594 | * <tt>new XNIException("XPointerProcessingError");</tt>. |
| 595 | */ |
| 596 | private String nextTokenAsString() throws XNIException { |
| 597 | String tokenStrint = getTokenString(nextToken()); |
| 598 | if (tokenStrint == null) { |
| 599 | reportError("XPointerProcessingError", null); |
| 600 | } |
| 601 | return tokenStrint; |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | /** |
| 606 | * |
| 607 | * The XPointer expression scanner. Scans the XPointer framework expression. |
| 608 | * |
| 609 | * @xerces.internal |
| 610 | * |
| 611 | */ |
| 612 | private class Scanner { |
| 613 | |
| 614 | /** |
| 615 | * 7-bit ASCII subset |
| 616 | * |
| 617 | * 0 1 2 3 4 5 6 7 8 9 A B C D E F |
| 618 | * 0, 0, 0, 0, 0, 0, 0, 0, 0, HT, LF, 0, 0, CR, 0, 0, // 0 |
| 619 | * 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1 |
| 620 | * SP, !, ", #, $, %, &, ', (, ), *, +, ,, -, ., /, // 2 |
| 621 | * 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, :, ;, <, =, >, ?, // 3 |
| 622 | * @, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, // 4 |
| 623 | * P, Q, R, S, T, U, V, W, X, Y, Z, [, \, ], ^, _, // 5 |
| 624 | * `, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, // 6 |
| 625 | * p, q, r, s, t, u, v, w, x, y, z, {, |, }, ~, DEL // 7 |
| 626 | */ |
| 627 | private static final byte CHARTYPE_INVALID = 0, // invalid XML character |
| 628 | CHARTYPE_OTHER = 1, // not special - one of "#%&;?\`{}~" or DEL |
| 629 | CHARTYPE_WHITESPACE = 2, // one of "\t\n\r " (0x09, 0x0A, 0x0D, 0x20) |
| 630 | CHARTYPE_CARRET = 3, // ^ |
| 631 | CHARTYPE_OPEN_PAREN = 4, // '(' (0x28) |
| 632 | CHARTYPE_CLOSE_PAREN = 5, // ')' (0x29) |
| 633 | CHARTYPE_MINUS = 6, // '-' (0x2D) |
| 634 | CHARTYPE_PERIOD = 7, // '.' (0x2E) |
| 635 | CHARTYPE_SLASH = 8, // '/' (0x2F) |
| 636 | CHARTYPE_DIGIT = 9, // '0'-'9' (0x30 to 0x39) |
| 637 | CHARTYPE_COLON = 10, // ':' (0x3A) |
| 638 | CHARTYPE_EQUAL = 11, // '=' (0x3D) |
| 639 | CHARTYPE_LETTER = 12, // 'A'-'Z' or 'a'-'z' (0x41 to 0x5A and 0x61 to 0x7A) |
| 640 | CHARTYPE_UNDERSCORE = 13, // '_' (0x5F) |
| 641 | CHARTYPE_NONASCII = 14; // Non-ASCII Unicode codepoint (>= 0x80) |
| 642 | |
| 643 | private final byte[] fASCIICharMap = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, |
| 644 | 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 645 | 2, 1, 1, 1, 1, 1, 1, 1, 4, 5, 1, 1, 1, 6, 7, 8, 9, 9, 9, 9, 9, |
| 646 | 9, 9, 9, 9, 9, 10, 1, 1, 11, 1, 1, 1, 12, 12, 12, 12, 12, 12, |
| 647 | 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, |
| 648 | 12, 12, 12, 12, 1, 1, 1, 3, 13, 1, 12, 12, 12, 12, 12, 12, 12, |
| 649 | 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, |
| 650 | 12, 12, 12, 1, 1, 1, 1, 1 }; |
| 651 | |
| 652 | // |
| 653 | // Data |
| 654 | // |
| 655 | /** Symbol table. */ |
| 656 | private SymbolTable fSymbolTable; |
| 657 | |
| 658 | /** |
| 659 | * Constructs an XPointer Framework expression scanner. |
| 660 | * |
| 661 | * @param symbolTable SymbolTable |
| 662 | */ |
| 663 | private Scanner(SymbolTable symbolTable) { |
| 664 | // save pool and tokens |
| 665 | fSymbolTable = symbolTable; |
| 666 | |
| 667 | } // <init>(SymbolTable) |
| 668 | |
| 669 | /** |
| 670 | * Scans the XPointer Expression |
| 671 | * |
| 672 | */ |
| 673 | private boolean scanExpr(SymbolTable symbolTable, Tokens tokens, |
| 674 | String data, int currentOffset, int endOffset) |
| 675 | throws XNIException { |
| 676 | |
| 677 | int ch; |
| 678 | int openParen = 0; |
| 679 | int closeParen = 0; |
| 680 | int nameOffset, dataOffset; |
| 681 | boolean isQName = false; |
| 682 | String name = null; |
| 683 | String prefix = null; |
| 684 | String schemeData = null; |
| 685 | StringBuffer schemeDataBuff = new StringBuffer(); |
| 686 | |
| 687 | while (true) { |
| 688 | |
| 689 | if (currentOffset == endOffset) { |
| 690 | break; |
| 691 | } |
| 692 | ch = data.charAt(currentOffset); |
| 693 | |
| 694 | // |
| 695 | while (ch == ' ' || ch == 0x0A || ch == 0x09 || ch == 0x0D) { |
| 696 | if (++currentOffset == endOffset) { |
| 697 | break; |
| 698 | } |
| 699 | ch = data.charAt(currentOffset); |
| 700 | } |
| 701 | if (currentOffset == endOffset) { |
| 702 | break; |
| 703 | } |
| 704 | |
| 705 | // |
| 706 | // [1] Pointer ::= Shorthand | SchemeBased |
| 707 | // [2] Shorthand ::= NCName |
| 708 | // [3] SchemeBased ::= PointerPart (S? PointerPart)* |
| 709 | // [4] PointerPart ::= SchemeName '(' SchemeData ')' |
| 710 | // [5] SchemeName ::= QName |
| 711 | // [6] SchemeData ::= EscapedData* |
| 712 | // [7] EscapedData ::= NormalChar | '^(' | '^)' | '^^' | '(' SchemeData ')' |
| 713 | // [8] NormalChar ::= UnicodeChar - [()^] |
| 714 | // [9] UnicodeChar ::= [#x0-#x10FFFF] |
| 715 | // [?] QName ::= (NCName ':')? NCName |
| 716 | // [?] NCName ::= (Letter | '_') (NCNameChar)* |
| 717 | // [?] NCNameChar ::= Letter | Digit | '.' | '-' | '_' (ascii subset of 'NCNameChar') |
| 718 | // [?] Letter ::= [A-Za-z] (ascii subset of 'Letter') |
| 719 | // [?] Digit ::= [0-9] (ascii subset of 'Digit') |
| 720 | // |
| 721 | byte chartype = (ch >= 0x80) ? CHARTYPE_NONASCII |
| 722 | : fASCIICharMap[ch]; |
| 723 | |
| 724 | switch (chartype) { |
| 725 | |
| 726 | case CHARTYPE_OPEN_PAREN: // '(' |
| 727 | addToken(tokens, Tokens.XPTRTOKEN_OPEN_PAREN); |
| 728 | openParen++; |
| 729 | ++currentOffset; |
| 730 | break; |
| 731 | |
| 732 | case CHARTYPE_CLOSE_PAREN: // ')' |
| 733 | addToken(tokens, Tokens.XPTRTOKEN_CLOSE_PAREN); |
| 734 | closeParen++; |
| 735 | ++currentOffset; |
| 736 | break; |
| 737 | |
| 738 | case CHARTYPE_CARRET: |
| 739 | case CHARTYPE_COLON: |
| 740 | case CHARTYPE_DIGIT: |
| 741 | case CHARTYPE_EQUAL: |
| 742 | case CHARTYPE_LETTER: |
| 743 | case CHARTYPE_MINUS: |
| 744 | case CHARTYPE_NONASCII: |
| 745 | case CHARTYPE_OTHER: |
| 746 | case CHARTYPE_PERIOD: |
| 747 | case CHARTYPE_SLASH: |
| 748 | case CHARTYPE_UNDERSCORE: |
| 749 | case CHARTYPE_WHITESPACE: |
| 750 | // Scanning SchemeName | Shorthand |
| 751 | if (openParen == 0) { |
| 752 | nameOffset = currentOffset; |
| 753 | currentOffset = scanNCName(data, endOffset, |
| 754 | currentOffset); |
| 755 | |
| 756 | if (currentOffset == nameOffset) { |
| 757 | reportError("InvalidShortHandPointer", |
| 758 | new Object[] { data }); |
| 759 | return false; |
| 760 | } |
| 761 | |
| 762 | if (currentOffset < endOffset) { |
| 763 | ch = data.charAt(currentOffset); |
| 764 | } else { |
| 765 | ch = -1; |
| 766 | } |
| 767 | |
| 768 | name = symbolTable.addSymbol(data.substring(nameOffset, |
| 769 | currentOffset)); |
| 770 | prefix = XMLSymbols.EMPTY_STRING; |
| 771 | |
| 772 | // The name is a QName => a SchemeName |
| 773 | if (ch == ':') { |
| 774 | if (++currentOffset == endOffset) { |
| 775 | return false; |
| 776 | } |
| 777 | |
| 778 | ch = data.charAt(currentOffset); |
| 779 | prefix = name; |
| 780 | nameOffset = currentOffset; |
| 781 | currentOffset = scanNCName(data, endOffset, |
| 782 | currentOffset); |
| 783 | |
| 784 | if (currentOffset == nameOffset) { |
| 785 | return false; |
| 786 | } |
| 787 | |
| 788 | if (currentOffset < endOffset) { |
| 789 | ch = data.charAt(currentOffset); |
| 790 | } else { |
| 791 | ch = -1; |
| 792 | } |
| 793 | |
| 794 | isQName = true; |
| 795 | name = symbolTable.addSymbol(data.substring( |
| 796 | nameOffset, currentOffset)); |
| 797 | } |
| 798 | |
| 799 | // REVISIT: |
| 800 | if (currentOffset != endOffset) { |
| 801 | addToken(tokens, Tokens.XPTRTOKEN_SCHEMENAME); |
| 802 | tokens.addToken(prefix); |
| 803 | tokens.addToken(name); |
| 804 | isQName = false; |
| 805 | } else if (currentOffset == endOffset) { |
| 806 | // NCName => Shorthand |
| 807 | addToken(tokens, Tokens.XPTRTOKEN_SHORTHAND); |
| 808 | tokens.addToken(name); |
| 809 | isQName = false; |
| 810 | } |
| 811 | |
| 812 | // reset open/close paren for the next pointer part |
| 813 | closeParen = 0; |
| 814 | |
| 815 | break; |
| 816 | |
| 817 | } else if (openParen > 0 && closeParen == 0 && name != null) { |
| 818 | // Scanning SchemeData |
| 819 | dataOffset = currentOffset; |
| 820 | currentOffset = scanData(data, schemeDataBuff, |
| 821 | endOffset, currentOffset); |
| 822 | |
| 823 | if (currentOffset == dataOffset) { |
| 824 | reportError("InvalidSchemeDataInXPointer", |
| 825 | new Object[] { data }); |
| 826 | return false; |
| 827 | } |
| 828 | |
| 829 | if (currentOffset < endOffset) { |
| 830 | ch = data.charAt(currentOffset); |
| 831 | } else { |
| 832 | ch = -1; |
| 833 | } |
| 834 | |
| 835 | schemeData = symbolTable.addSymbol(schemeDataBuff |
| 836 | .toString()); |
| 837 | addToken(tokens, Tokens.XPTRTOKEN_SCHEMEDATA); |
| 838 | tokens.addToken(schemeData); |
| 839 | |
| 840 | // reset open/close paren for the next pointer part |
| 841 | openParen = 0; |
| 842 | schemeDataBuff.delete(0, schemeDataBuff.length()); |
| 843 | |
| 844 | } else { |
| 845 | // ex. schemeName() |
| 846 | // Should we throw an exception with a more suitable message instead?? |
| 847 | return false; |
| 848 | } |
| 849 | } |
| 850 | } // end while |
| 851 | return true; |
| 852 | } |
| 853 | |
| 854 | /** |
| 855 | * Scans a NCName. |
| 856 | * From Namespaces in XML |
| 857 | * [5] NCName ::= (Letter | '_') (NCNameChar)* |
| 858 | * [6] NCNameChar ::= Letter | Digit | '.' | '-' | '_' | CombiningChar | Extender |
| 859 | * |
| 860 | * @param data A String containing the XPointer expression |
| 861 | * @param endOffset The int XPointer expression length |
| 862 | * @param currentOffset An int representing the current position of the XPointer expression pointer |
| 863 | */ |
| 864 | private int scanNCName(String data, int endOffset, int currentOffset) { |
| 865 | int ch = data.charAt(currentOffset); |
| 866 | if (ch >= 0x80) { |
| 867 | if (!XMLChar.isNameStart(ch)) { |
| 868 | return currentOffset; |
| 869 | } |
| 870 | } else { |
| 871 | byte chartype = fASCIICharMap[ch]; |
| 872 | if (chartype != CHARTYPE_LETTER |
| 873 | && chartype != CHARTYPE_UNDERSCORE) { |
| 874 | return currentOffset; |
| 875 | } |
| 876 | } |
| 877 | |
| 878 | //while (currentOffset++ < endOffset) { |
| 879 | while (++currentOffset < endOffset) { |
| 880 | ch = data.charAt(currentOffset); |
| 881 | if (ch >= 0x80) { |
| 882 | if (!XMLChar.isName(ch)) { |
| 883 | break; |
| 884 | } |
| 885 | } else { |
| 886 | byte chartype = fASCIICharMap[ch]; |
| 887 | if (chartype != CHARTYPE_LETTER |
| 888 | && chartype != CHARTYPE_DIGIT |
| 889 | && chartype != CHARTYPE_PERIOD |
| 890 | && chartype != CHARTYPE_MINUS |
| 891 | && chartype != CHARTYPE_UNDERSCORE) { |
| 892 | break; |
| 893 | } |
| 894 | } |
| 895 | } |
| 896 | return currentOffset; |
| 897 | } |
| 898 | |
| 899 | /** |
| 900 | * Scans the SchemeData. |
| 901 | * [6] SchemeData ::= EscapedData* |
| 902 | * [7] EscapedData ::= NormalChar | '^(' | '^)' | '^^' | '(' SchemeData ')' |
| 903 | * [8] NormalChar ::= UnicodeChar - [()^] |
| 904 | * [9] UnicodeChar ::= [#x0-#x10FFFF] |
| 905 | * |
| 906 | */ |
| 907 | private int scanData(String data, StringBuffer schemeData, |
| 908 | int endOffset, int currentOffset) { |
| 909 | while (true) { |
| 910 | |
| 911 | if (currentOffset == endOffset) { |
| 912 | break; |
| 913 | } |
| 914 | |
| 915 | int ch = data.charAt(currentOffset); |
| 916 | byte chartype = (ch >= 0x80) ? CHARTYPE_NONASCII |
| 917 | : fASCIICharMap[ch]; |
| 918 | |
| 919 | if (chartype == CHARTYPE_OPEN_PAREN) { |
| 920 | schemeData.append(ch); |
| 921 | //schemeData.append(Tokens.XPTRTOKEN_OPEN_PAREN); |
| 922 | currentOffset = scanData(data, schemeData, endOffset, |
| 923 | ++currentOffset); |
| 924 | if (currentOffset == endOffset) { |
| 925 | return currentOffset; |
| 926 | } |
| 927 | |
| 928 | ch = data.charAt(currentOffset); |
| 929 | chartype = (ch >= 0x80) ? CHARTYPE_NONASCII |
| 930 | : fASCIICharMap[ch]; |
| 931 | |
| 932 | if (chartype != CHARTYPE_CLOSE_PAREN) { |
| 933 | return endOffset; |
| 934 | } |
| 935 | schemeData.append((char) ch); |
| 936 | ++currentOffset;// |
| 937 | |
| 938 | } else if (chartype == CHARTYPE_CLOSE_PAREN) { |
| 939 | return currentOffset; |
| 940 | |
| 941 | } else if (chartype == CHARTYPE_CARRET) { |
| 942 | ch = data.charAt(++currentOffset); |
| 943 | chartype = (ch >= 0x80) ? CHARTYPE_NONASCII |
| 944 | : fASCIICharMap[ch]; |
| 945 | |
| 946 | if (chartype != CHARTYPE_CARRET |
| 947 | && chartype != CHARTYPE_OPEN_PAREN |
| 948 | && chartype != CHARTYPE_CLOSE_PAREN) { |
| 949 | break; |
| 950 | } |
| 951 | schemeData.append((char) ch); |
| 952 | ++currentOffset; |
| 953 | |
| 954 | } else { |
| 955 | schemeData.append((char) ch); |
| 956 | ++currentOffset;// |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | return currentOffset; |
| 961 | } |
| 962 | |
| 963 | // |
| 964 | // Protected methods |
| 965 | // |
| 966 | |
| 967 | /** |
| 968 | * This method adds the specified token to the token list. By |
| 969 | * default, this method allows all tokens. However, subclasses |
| 970 | * of the XPathExprScanner can override this method in order |
| 971 | * to disallow certain tokens from being used in the scanned |
| 972 | * XPath expression. This is a convenient way of allowing only |
| 973 | * a subset of XPath. |
| 974 | */ |
| 975 | protected void addToken(Tokens tokens, int token) throws XNIException { |
| 976 | tokens.addToken(token); |
| 977 | } // addToken(int) |
| 978 | |
| 979 | } // class Scanner |
| 980 | |
| 981 | // ************************************************************************ |
| 982 | // Overridden XMLDocumentHandler methods |
| 983 | // ************************************************************************ |
| 984 | /** |
| 985 | * If the comment is a child of a matched element, then pass else return. |
| 986 | * |
| 987 | * @param text The text in the comment. |
| 988 | * @param augs Additional information that may include infoset augmentations |
| 989 | * |
| 990 | * @exception XNIException |
| 991 | * Thrown by application to signal an error. |
| 992 | */ |
| 993 | public void comment(XMLString text, Augmentations augs) throws XNIException { |
| 994 | if (!isChildFragmentResolved()) { |
| 995 | return; |
| 996 | } |
| 997 | super.comment(text, augs); |
| 998 | } |
| 999 | |
| 1000 | /** |
| 1001 | * A processing instruction. Processing instructions consist of a |
| 1002 | * target name and, optionally, text data. The data is only meaningful |
| 1003 | * to the application. |
| 1004 | * <p> |
| 1005 | * Typically, a processing instruction's data will contain a series |
| 1006 | * of pseudo-attributes. These pseudo-attributes follow the form of |
| 1007 | * element attributes but are <strong>not</strong> parsed or presented |
| 1008 | * to the application as anything other than text. The application is |
| 1009 | * responsible for parsing the data. |
| 1010 | * |
| 1011 | * @param target The target. |
| 1012 | * @param data The data or null if none specified. |
| 1013 | * @param augs Additional information that may include infoset augmentations |
| 1014 | * |
| 1015 | * @exception XNIException |
| 1016 | * Thrown by handler to signal an error. |
| 1017 | */ |
| 1018 | public void processingInstruction(String target, XMLString data, |
| 1019 | Augmentations augs) throws XNIException { |
| 1020 | if (!isChildFragmentResolved()) { |
| 1021 | return; |
| 1022 | } |
| 1023 | super.processingInstruction(target, data, augs); |
| 1024 | } |
| 1025 | |
| 1026 | /** |
| 1027 | * The start of an element. |
| 1028 | * |
| 1029 | * @param element The name of the element. |
| 1030 | * @param attributes The element attributes. |
| 1031 | * @param augs Additional information that may include infoset augmentations |
| 1032 | * |
| 1033 | * @exception XNIException |
| 1034 | * Thrown by handler to signal an error. |
| 1035 | */ |
| 1036 | public void startElement(QName element, XMLAttributes attributes, |
| 1037 | Augmentations augs) throws XNIException { |
| 1038 | if (!resolveXPointer(element, attributes, augs, |
| 1039 | XPointerPart.EVENT_ELEMENT_START)) { |
| 1040 | |
| 1041 | // xml:base and xml:lang processing |
| 1042 | if (fFixupBase) { |
| 1043 | processXMLBaseAttributes(attributes); |
| 1044 | } |
| 1045 | if (fFixupLang) { |
| 1046 | processXMLLangAttributes(attributes); |
| 1047 | } |
| 1048 | |
| 1049 | // set the context invalid if the element till an element from the result infoset is included |
| 1050 | fNamespaceContext.setContextInvalid(); |
| 1051 | |
| 1052 | return; |
| 1053 | } |
| 1054 | super.startElement(element, attributes, augs); |
| 1055 | } |
| 1056 | |
| 1057 | /** |
| 1058 | * An empty element. |
| 1059 | * |
| 1060 | * @param element The name of the element. |
| 1061 | * @param attributes The element attributes. |
| 1062 | * @param augs Additional information that may include infoset augmentations |
| 1063 | * |
| 1064 | * @exception XNIException |
| 1065 | * Thrown by handler to signal an error. |
| 1066 | */ |
| 1067 | public void emptyElement(QName element, XMLAttributes attributes, |
| 1068 | Augmentations augs) throws XNIException { |
| 1069 | if (!resolveXPointer(element, attributes, augs, |
| 1070 | XPointerPart.EVENT_ELEMENT_EMPTY)) { |
| 1071 | // xml:base and xml:lang processing |
| 1072 | if (fFixupBase) { |
| 1073 | processXMLBaseAttributes(attributes); |
| 1074 | } |
| 1075 | if (fFixupLang) { |
| 1076 | processXMLLangAttributes(attributes); |
| 1077 | } |
| 1078 | // no need to restore restoreBaseURI() for xml:base and xml:lang processing |
| 1079 | |
| 1080 | // set the context invalid if the element till an element from the result infoset is included |
| 1081 | fNamespaceContext.setContextInvalid(); |
| 1082 | return; |
| 1083 | } |
| 1084 | super.emptyElement(element, attributes, augs); |
| 1085 | } |
| 1086 | |
| 1087 | /** |
| 1088 | * Character content. |
| 1089 | * |
| 1090 | * @param text The content. |
| 1091 | * @param augs Additional information that may include infoset augmentations |
| 1092 | * |
| 1093 | * @exception XNIException |
| 1094 | * Thrown by handler to signal an error. |
| 1095 | */ |
| 1096 | public void characters(XMLString text, Augmentations augs) |
| 1097 | throws XNIException { |
| 1098 | if (!isChildFragmentResolved()) { |
| 1099 | return; |
| 1100 | } |
| 1101 | super.characters(text, augs); |
| 1102 | } |
| 1103 | |
| 1104 | /** |
| 1105 | * Ignorable whitespace. For this method to be called, the document |
| 1106 | * source must have some way of determining that the text containing |
| 1107 | * only whitespace characters should be considered ignorable. For |
| 1108 | * example, the validator can determine if a length of whitespace |
| 1109 | * characters in the document are ignorable based on the element |
| 1110 | * content model. |
| 1111 | * |
| 1112 | * @param text The ignorable whitespace. |
| 1113 | * @param augs Additional information that may include infoset augmentations |
| 1114 | * |
| 1115 | * @exception XNIException |
| 1116 | * Thrown by handler to signal an error. |
| 1117 | */ |
| 1118 | public void ignorableWhitespace(XMLString text, Augmentations augs) |
| 1119 | throws XNIException { |
| 1120 | if (!isChildFragmentResolved()) { |
| 1121 | return; |
| 1122 | } |
| 1123 | super.ignorableWhitespace(text, augs); |
| 1124 | } |
| 1125 | |
| 1126 | /** |
| 1127 | * The end of an element. |
| 1128 | * |
| 1129 | * @param element The name of the element. |
| 1130 | * @param augs Additional information that may include infoset augmentations |
| 1131 | * |
| 1132 | * @exception XNIException |
| 1133 | * Thrown by handler to signal an error. |
| 1134 | */ |
| 1135 | public void endElement(QName element, Augmentations augs) |
| 1136 | throws XNIException { |
| 1137 | if (!resolveXPointer(element, null, augs, |
| 1138 | XPointerPart.EVENT_ELEMENT_END)) { |
| 1139 | |
| 1140 | // no need to restore restoreBaseURI() for xml:base and xml:lang processing |
| 1141 | return; |
| 1142 | } |
| 1143 | super.endElement(element, augs); |
| 1144 | } |
| 1145 | |
| 1146 | /** |
| 1147 | * The start of a CDATA section. |
| 1148 | * |
| 1149 | * @param augs Additional information that may include infoset augmentations |
| 1150 | * |
| 1151 | * @exception XNIException |
| 1152 | * Thrown by handler to signal an error. |
| 1153 | */ |
| 1154 | public void startCDATA(Augmentations augs) throws XNIException { |
| 1155 | if (!isChildFragmentResolved()) { |
| 1156 | return; |
| 1157 | } |
| 1158 | super.startCDATA(augs); |
| 1159 | } |
| 1160 | |
| 1161 | /** |
| 1162 | * The end of a CDATA section. |
| 1163 | * |
| 1164 | * @param augs Additional information that may include infoset augmentations |
| 1165 | * |
| 1166 | * @exception XNIException |
| 1167 | * Thrown by handler to signal an error. |
| 1168 | */ |
| 1169 | public void endCDATA(Augmentations augs) throws XNIException { |
| 1170 | if (!isChildFragmentResolved()) { |
| 1171 | return; |
| 1172 | } |
| 1173 | super.endCDATA(augs); |
| 1174 | } |
| 1175 | |
| 1176 | // ************************************************************************ |
| 1177 | // Overridden XMLComponent methods |
| 1178 | // ************************************************************************ |
| 1179 | /** |
| 1180 | * <p> |
| 1181 | * Sets the value of a property. This method is called by the component |
| 1182 | * manager any time after reset when a property changes value. |
| 1183 | * </p> |
| 1184 | * <strong>Note:</strong> Components should silently ignore properties |
| 1185 | * that do not affect the operation of the component. |
| 1186 | * |
| 1187 | * @param propertyId The property identifier. |
| 1188 | * @param value The value of the property. |
| 1189 | * |
| 1190 | * @throws XMLConfigurationException Thrown for configuration error. |
| 1191 | * In general, components should |
| 1192 | * only throw this exception if |
| 1193 | * it is <strong>really</strong> |
| 1194 | * a critical error. |
| 1195 | */ |
| 1196 | public void setProperty(String propertyId, Object value) |
| 1197 | throws XMLConfigurationException { |
| 1198 | |
| 1199 | // Error reporter |
| 1200 | if (propertyId == Constants.XERCES_PROPERTY_PREFIX |
| 1201 | + Constants.ERROR_REPORTER_PROPERTY) { |
| 1202 | if (value != null) { |
| 1203 | fXPointerErrorReporter = (XMLErrorReporter) value; |
| 1204 | } else { |
| 1205 | fXPointerErrorReporter = null; |
| 1206 | } |
| 1207 | } |
| 1208 | |
| 1209 | // Error handler |
| 1210 | if (propertyId == Constants.XERCES_PROPERTY_PREFIX |
| 1211 | + Constants.ERROR_HANDLER_PROPERTY) { |
| 1212 | if (value != null) { |
| 1213 | fErrorHandler = (XMLErrorHandler) value; |
| 1214 | } else { |
| 1215 | fErrorHandler = null; |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | // xml:lang |
| 1220 | if (propertyId == Constants.XERCES_FEATURE_PREFIX |
| 1221 | + Constants.XINCLUDE_FIXUP_LANGUAGE_FEATURE) { |
| 1222 | if (value != null) { |
| 1223 | fFixupLang = ((Boolean)value).booleanValue(); |
| 1224 | } else { |
| 1225 | fFixupLang = false; |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | // xml:base |
| 1230 | if (propertyId == Constants.XERCES_FEATURE_PREFIX |
| 1231 | + Constants.XINCLUDE_FIXUP_BASE_URIS_FEATURE) { |
| 1232 | if (value != null) { |
| 1233 | fFixupBase = ((Boolean)value).booleanValue(); |
| 1234 | } else { |
| 1235 | fFixupBase = false; |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | // |
| 1240 | if (propertyId == Constants.XERCES_PROPERTY_PREFIX |
| 1241 | + Constants.NAMESPACE_CONTEXT_PROPERTY) { |
| 1242 | fNamespaceContext = (XIncludeNamespaceSupport) value; |
| 1243 | } |
| 1244 | |
| 1245 | super.setProperty(propertyId, value); |
| 1246 | } |
| 1247 | |
| 1248 | } |