| /* |
| * Copyright 2007 Sascha Weinreuter |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.intellij.plugins.relaxNG.validation; |
| |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.XmlElementVisitor; |
| import com.intellij.psi.search.PsiElementProcessor; |
| import com.intellij.psi.xml.*; |
| import com.intellij.xml.util.XmlUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.xml.sax.ContentHandler; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.ext.Attributes2Impl; |
| import org.xml.sax.ext.Locator2Impl; |
| |
| import java.util.Map; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * User: sweinreuter |
| * Date: 30.07.2007 |
| */ |
| class Psi2SaxAdapter extends XmlElementVisitor implements PsiElementProcessor<PsiElement> { |
| private final ContentHandler myHandler; |
| |
| public Psi2SaxAdapter(ContentHandler handler) { |
| myHandler = handler; |
| } |
| |
| @Override |
| public void visitXmlElement(XmlElement element) { |
| if (element instanceof XmlEntityRef) { |
| XmlUtil.processXmlElements(element, this, false, true); |
| } |
| super.visitXmlElement(element); |
| } |
| |
| @Override |
| public void visitXmlToken(XmlToken token) { |
| if (token.getTokenType() == XmlTokenType.XML_DATA_CHARACTERS) { |
| handleText(token, token.getText()); |
| } |
| } |
| |
| private void handleText(XmlElement element, String text) { |
| try { |
| setLocation(element); |
| myHandler.characters(text.toCharArray(), 0, text.length()); |
| } catch (SAXException e) { |
| throw new ParseError(e); |
| } |
| } |
| |
| @Override |
| public boolean execute(@NotNull PsiElement element) { |
| element.accept(this); |
| return true; |
| } |
| |
| @Override |
| public void visitXmlDocument(XmlDocument document) { |
| try { |
| myHandler.startDocument(); |
| final XmlTag rootTag = document.getRootTag(); |
| if (rootTag != null) { |
| rootTag.accept(this); |
| } |
| myHandler.endDocument(); |
| } catch (SAXException e) { |
| throw new ParseError(e); |
| } |
| } |
| |
| @Override |
| public void visitXmlTag(XmlTag tag) { |
| try { |
| setLocation(tag); |
| |
| final Map<String,String> map = tag.getLocalNamespaceDeclarations(); |
| final String[] prefixes = map.keySet().toArray(new String[map.size()]); |
| for (String prefix : prefixes) { |
| myHandler.startPrefixMapping(prefix, map.get(prefix)); |
| } |
| |
| final Attributes2Impl atts = new Attributes2Impl(); |
| final XmlAttribute[] xmlAttributes = tag.getAttributes(); |
| for (XmlAttribute attribute : xmlAttributes) { |
| final String s = attribute.getName(); |
| if (!"xmlns".equals(s) && !s.startsWith("xmlns:")) { |
| final String uri = attribute.getNamespace(); |
| atts.addAttribute(s.contains(":") ? uri : "", attribute.getLocalName(), s, "PCDATA", attribute.getValue()); |
| } |
| } |
| |
| final String namespace = tag.getNamespace(); |
| final String localName = tag.getLocalName(); |
| final String name = tag.getName(); |
| myHandler.startElement(namespace, localName, name, atts); |
| |
| PsiElement child = tag.getFirstChild(); |
| while (child != null) { |
| child.accept(this); |
| child = child.getNextSibling(); |
| } |
| |
| myHandler.endElement(namespace, localName, name); |
| |
| for (int i = prefixes.length - 1; i >= 0; i--) { |
| String prefix = prefixes[i]; |
| myHandler.endPrefixMapping(prefix); |
| } |
| } catch (SAXException e) { |
| throw new ParseError(e); |
| } |
| } |
| |
| @Override |
| public void visitXmlText(XmlText text) { |
| handleText(text, text.getValue()); |
| } |
| |
| private void setLocation(PsiElement text) { |
| final PsiFile psiFile = text.getContainingFile(); |
| final Document document = PsiDocumentManager.getInstance(text.getProject()).getDocument(psiFile); |
| if (document == null) { |
| return; |
| } |
| final VirtualFile virtualFile = psiFile.getVirtualFile(); |
| if (virtualFile == null) { |
| return; |
| } |
| |
| final Locator2Impl locator = new Locator2Impl(); |
| locator.setSystemId(RngParser.reallyFixIDEAUrl(virtualFile.getUrl())); |
| |
| final int offset = text.getTextRange().getEndOffset(); |
| final int lineNumber = document.getLineNumber(offset); |
| |
| locator.setLineNumber(lineNumber + 1); |
| locator.setColumnNumber(1 + offset - document.getLineStartOffset(lineNumber)); |
| |
| myHandler.setDocumentLocator(locator); |
| } |
| |
| public static class ParseError extends RuntimeException { |
| public ParseError(SAXException e) { |
| super(e); |
| } |
| } |
| } |