bundles/org.eclipse.wst.jsdt.web.core/src/org/eclipse/wst/jsdt/web/core/internal/java/JsTranslator.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.wst.jsdt.web.core.internal.java;

 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Iterator;

 import org.eclipse.core.filebuffers.FileBuffers;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.runtime.jobs.IJobChangeListener;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.jface.text.DocumentEvent;
 import org.eclipse.jface.text.IDocumentListener;
 import org.eclipse.jface.text.Position;
 import org.eclipse.wst.jsdt.core.IBuffer;
 import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
 import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
 import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
 import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionCollection;
 import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
 import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
 import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
 import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;

 /**
  * Translates a JSP document into a HttpServlet. Keeps two way mapping from java
  * translation to the original JSP source, which can be obtained through
  * getJava2JspRanges() and getJsp2JavaRanges().
  *
  * @author pavery
  */
 public class JsTranslator extends Job implements IDocumentListener{

 	private static final boolean DEBUG;
 	private static final boolean DEBUG_SAVE_OUTPUT = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.jsdt.web.core/debug/jsptranslationstodisk")); //$NON-NLS-1$  //$NON-NLS-2$
 	public static final String ENDL = "\n"; //$NON-NLS-1$
 	static {
 		String value = Platform.getDebugOption("org.eclipse.wst.jsdt.web.core/debug/jspjavamapping"); //$NON-NLS-1$
 		DEBUG = value != null && value.equalsIgnoreCase("true"); //$NON-NLS-1$
 	}

 	private IStructuredDocumentRegion fCurrentNode;
 	private StringBuffer fScriptText = new StringBuffer();
 	private IStructuredDocument fStructuredDocument = null;
 	private ArrayList importLocationsInHtml = new ArrayList();
 	/* use java script by default */
 	private boolean isGlobalJs = true;
 	private ArrayList rawImports = new ArrayList(); // traslated
 	private ArrayList scriptLocationInHtml = new ArrayList();
 	private int scriptOffset = 0;
 	private byte[] fLock = new byte[0];
 	private byte[] finished = new byte[0];
 	private IBuffer compUnitBuff;
 	private boolean cancelParse = false;
 	private int missingEndTagRegionStart = -1;
 	private static final boolean ADD_SEMICOLON_AT_INLINE=true;


 	private void advanceNextNode() {
 		setCurrentNode(getCurrentNode().getNext());
 	}

 	public JsTranslator(IStructuredDocument document, 	String fileName) {
 		super("JavaScript translation for : "  + fileName);
 		fStructuredDocument = document;

 		fStructuredDocument.addDocumentListener(this);
 		setPriority(Job.LONG);
 		setSystem(true);
 		schedule();
 		reset();
 	}

 	public JsTranslator(IStructuredDocument document, 	String fileName, boolean listenForChanges) {
 		super("JavaScript translation for : "  + fileName);
 		fStructuredDocument = document;
 		if(listenForChanges) {
 			fStructuredDocument.addDocumentListener(this);
 			setPriority(Job.LONG);
 			setSystem(true);
 			schedule();
 		}
 		reset();
 	}

 	public String getJsText() {
 		synchronized(finished) {
 			return fScriptText.toString();
 		}
 	}

 	final public IStructuredDocumentRegion getCurrentNode() {
 		return fCurrentNode;
 	}

 	public void setBuffer(IBuffer buffer) {
 		compUnitBuff = buffer;
 		synchronized(finished) {
 			compUnitBuff.setContents(fScriptText.toString());
 		}
 	}

 	public Position[] getHtmlLocations() {
 		synchronized(finished) {
 			return (Position[]) scriptLocationInHtml.toArray(new Position[scriptLocationInHtml.size()]);
 		}
 	}

 	public int getMissingEndTagRegionStart() {
 		return missingEndTagRegionStart;
 	}

 	public Position[] getImportHtmlRanges() {
 		synchronized(finished) {
 			return (Position[]) importLocationsInHtml.toArray(new Position[importLocationsInHtml.size()]);
 		}
 	}

 	private char[] getPad(int numberOfChars) {
 		final char[] spaceArray = new char[numberOfChars];
 		Arrays.fill(spaceArray, ' ');
 		return spaceArray;
 	}

 	public String[] getRawImports() {
 		synchronized(finished) {
 			return (String[]) this.rawImports.toArray(new String[rawImports.size()]);
 		}
 	}


 	/**
 	 *
 	 * @return the status of the translator's progrss monitor, false if the
 	 *         monitor is null
 	 */
 	private boolean isCanceled() {
 		return cancelParse;
 	}

 	/**
 	 * Reinitialize some fields
 	 */
 	private void reset() {
 		synchronized(fLock) {
 			scriptOffset = 0;
 			// reset progress monitor
 			cancelParse = false;
 			fScriptText = new StringBuffer();
 			fCurrentNode = fStructuredDocument.getFirstStructuredDocumentRegion();
 			rawImports.clear();
 			importLocationsInHtml.clear();
 			scriptLocationInHtml.clear();
 			missingEndTagRegionStart = -1;
 		}
 		translate();
 	}


 	private IStructuredDocumentRegion setCurrentNode(IStructuredDocumentRegion currentNode) {
 		synchronized(fLock) {
 			return this.fCurrentNode = currentNode;
 		}
 	}

 	public void translate() {
 		//setCurrentNode(fStructuredDocument.getFirstStructuredDocumentRegion());
 		synchronized(finished) {
 			while (getCurrentNode() != null && !isCanceled()) {
 				// System.out.println("Translator Looking at Node
 				// type:"+getCurrentNode().getType()+"---------------------------------:");
 				// System.out.println(new NodeHelper(getCurrentNode()));
 				// i.println("/---------------------------------------------------");
 				if (getCurrentNode().getType() == DOMRegionContext.XML_TAG_NAME) {
 					NodeHelper nh = new NodeHelper(getCurrentNode());
 					if ((!nh.isEndTag() || nh.isSelfClosingTag()) && nh.nameEquals("script")) {
 						/*
 						 * Handles the following cases: <script
 						 * type="javascriptype"> <script language="javascriptype>
 						 * <script src='' type=javascriptype> <script src=''
 						 * language=javascripttype <script src=''> global js type.
 						 * <script> (global js type)
 						 */
 						if (NodeHelper.isInArray(JsDataTypes.JSVALIDDATATYPES, nh.getAttributeValue("type")) || NodeHelper.isInArray(JsDataTypes.JSVALIDDATATYPES, nh.getAttributeValue("language")) || isGlobalJs) {
 							if (nh.containsAttribute(new String[] { "src" })) {
 								// Handle import
 								translateScriptImportNode(getCurrentNode());
 							}
 							// } else {
 							// handle script section

 							if (getCurrentNode().getNext() != null /*&& getCurrentNode().getNext().getType() == DOMRegionContext.BLOCK_TEXT*/) {
 								translateJSNode(getCurrentNode().getNext());
 							}
 						} // End search for <script> sections
 					} else if (nh.containsAttribute(JsDataTypes.HTMLATREVENTS)) {
 						/* Check for embeded JS events in any tags */
 						translateInlineJSNode(getCurrentNode());
 					} else if (nh.nameEquals("META") && nh.attrEquals("http-equiv", "Content-Script-Type") && nh.containsAttribute(new String[] { "content" })) {
 						// <META http-equiv="Content-Script-Type" content="type">
 						isGlobalJs = NodeHelper.isInArray(JsDataTypes.JSVALIDDATATYPES, nh.getAttributeValue("content"));
 					} // End big if of JS types
 				}
 				if (getCurrentNode() != null) {
 					advanceNextNode();
 				}
 			} // end while loop
 		}
 		finishedTranslation();
 	}

 	private void finishedTranslation() {
 		if(compUnitBuff!=null) compUnitBuff.setContents(fScriptText.toString());
 	}

 	public void translateInlineJSNode(IStructuredDocumentRegion container) {
 		// System.out
 		// .println("JSPTranslator.translateInlineJSNode Entered
 		// w/ScriptOffset:"
 		// + scriptOffset);

 			NodeHelper nh = new NodeHelper(container);
 			// System.out.println("inline js node looking at:\n" + nh);
 			/* start a function header.. will amend later */
 			ITextRegionList t = container.getRegions();
 			ITextRegion r;
 			Iterator regionIterator = t.iterator();
 			while (regionIterator.hasNext() && !isCanceled() ) {
 				r = (ITextRegion) regionIterator.next();
 				if (r.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) {
 					int start = r.getStart();
 					int offset = r.getTextEnd();
 					String tagAttrname = container.getText().substring(start, offset).trim();
 					/*
 					 * Attribute values aren't case sensative, also make sure next
 					 * region is attrib value
 					 */
 					if (NodeHelper.isInArray(JsDataTypes.HTMLATREVENTS, tagAttrname)) {
 						if (regionIterator.hasNext()) {
 							regionIterator.next();
 						}
 						if (regionIterator.hasNext()) {
 							r = ((ITextRegion) regionIterator.next());
 						}
 						if (r.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) {
 							int valStartOffset = container.getStartOffset(r);
 							// int valEndOffset = r.getTextEnd();
 							String rawText = container.getText().substring(r.getStart(), r.getTextEnd());
 							if (rawText == null || rawText.length() == 0) {
 								return;
 							}
 							/* Strip quotes */
 							switch (rawText.charAt(0)) {
 								case '\'':
 								case '"':
 									rawText = rawText.substring(1);
 									valStartOffset++;
 							}
 							switch (rawText.charAt(rawText.length() - 1)) {
 								case '\'':
 								case '"':
 									rawText = rawText.substring(0, rawText.length() - 1);
 							}
 							// Position inScript = new Position(scriptOffset,
 							// rawText.length());
 							/* Quoted text starts +1 and ends -1 char */
 							if(ADD_SEMICOLON_AT_INLINE) rawText = rawText + ";";
 							Position inHtml = new Position(valStartOffset, rawText.length());
 							scriptLocationInHtml.add(inHtml);
 							/* need to pad the script text with spaces */
 							char[] spaces = getPad(valStartOffset - scriptOffset);
 							fScriptText.append(spaces);
 							fScriptText.append(rawText);
 							scriptOffset = fScriptText.length();
 						}
 					}
 				}
 			}
 		}


 	public void translateJSNode(IStructuredDocumentRegion container) {
 		ITextRegionCollection containerRegion = container;
 		Iterator regions = containerRegion.getRegions().iterator();
 		ITextRegion region = null;

 		if(container==null) return;

 		char[] spaces = getPad(container.getStartOffset() - scriptOffset);
 		fScriptText.append(spaces);
 		scriptOffset = container.getStartOffset();

 		if(container.getType()!=DOMRegionContext.BLOCK_TEXT && container.getType()!= DOMRegionContext.XML_CDATA_TEXT) {
 			return;
 		}

 		while (regions.hasNext() && !isCanceled()) {
 			region = (ITextRegion) regions.next();
 			String type = region.getType();
 			// content assist was not showing up in JSP inside a javascript
 			// region
 			if (type == DOMRegionContext.BLOCK_TEXT) {
 				int scriptStart = container.getStartOffset();
 				int scriptTextEnd = container.getEndOffset() - container.getStartOffset();
 				String regionText = container.getText().substring(region.getStart(), region.getEnd());
 				int regionLength = regionText.length();
 				// /Position inScript = new Position(scriptOffset,
 				// regionLength);
 				Position inHtml = new Position(scriptStart, scriptTextEnd);
 				scriptLocationInHtml.add(inHtml);
 				spaces = getPad(scriptStart - scriptOffset);
 				fScriptText.append(spaces);
 				// fJsToHTMLRanges.put(inScript, inHtml);
 				fScriptText.append(regionText);
 				scriptOffset = fScriptText.length();
 			}
 		}

 		IStructuredDocumentRegion endTag = container.getNext();

 		if(endTag==null) {
 			missingEndTagRegionStart = container.getStartOffset();
 		}else if(endTag!=null) {
 			NodeHelper nh = new NodeHelper(endTag);
 			String name = nh.getTagName();

 			if(name==null || !name.trim().equalsIgnoreCase("script") || !nh.isEndTag()) {
 				missingEndTagRegionStart = container.getStartOffset();
 			}
 		}
 	}

 	public void translateScriptImportNode(IStructuredDocumentRegion region) {
 		NodeHelper nh = new NodeHelper(region);
 		String importName = nh.getAttributeValue("src");
 		if (importName != null && !importName.equals("")) {
 			rawImports.add(importName);
 			Position inHtml = new Position(region.getStartOffset(), region.getEndOffset());
 			importLocationsInHtml.add(inHtml);
 		}
 	}


 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent)
 	 */
 	public void documentAboutToBeChanged(DocumentEvent event) {
 		cancelParse = true;

 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
 	 */
 	public void documentChanged(DocumentEvent event) {
 		reset();

 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
 	 */
 	protected IStatus run(IProgressMonitor monitor) {

 		return Status.OK_STATUS;
 	}

 	public void release() {
 		fStructuredDocument.removeDocumentListener(this);
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2004 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.wst.jsdt.web.core.internal.java;

	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.Iterator;

	import org.eclipse.core.filebuffers.FileBuffers;
	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.core.runtime.jobs.IJobChangeListener;
	import org.eclipse.core.runtime.jobs.Job;
	import org.eclipse.jface.text.DocumentEvent;
	import org.eclipse.jface.text.IDocumentListener;
	import org.eclipse.jface.text.Position;
	import org.eclipse.wst.jsdt.core.IBuffer;
	import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
	import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
	import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
	import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionCollection;
	import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList;
	import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
	import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
	import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;

	/**
	* Translates a JSP document into a HttpServlet. Keeps two way mapping from java
	* translation to the original JSP source, which can be obtained through
	* getJava2JspRanges() and getJsp2JavaRanges().
	*
	* @author pavery
	*/
	public class JsTranslator extends Job implements IDocumentListener{

	private static final boolean DEBUG;
	private static final boolean DEBUG_SAVE_OUTPUT = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.jsdt.web.core/debug/jsptranslationstodisk")); //$NON-NLS-1$ //$NON-NLS-2$
	public static final String ENDL = "\n"; //$NON-NLS-1$
	static {
	String value = Platform.getDebugOption("org.eclipse.wst.jsdt.web.core/debug/jspjavamapping"); //$NON-NLS-1$
	DEBUG = value != null && value.equalsIgnoreCase("true"); //$NON-NLS-1$
	}

	private IStructuredDocumentRegion fCurrentNode;
	private StringBuffer fScriptText = new StringBuffer();
	private IStructuredDocument fStructuredDocument = null;
	private ArrayList importLocationsInHtml = new ArrayList();
	/* use java script by default */
	private boolean isGlobalJs = true;
	private ArrayList rawImports = new ArrayList(); // traslated
	private ArrayList scriptLocationInHtml = new ArrayList();
	private int scriptOffset = 0;
	private byte[] fLock = new byte[0];
	private byte[] finished = new byte[0];
	private IBuffer compUnitBuff;
	private boolean cancelParse = false;
	private int missingEndTagRegionStart = -1;
	private static final boolean ADD_SEMICOLON_AT_INLINE=true;



	private void advanceNextNode() {
	setCurrentNode(getCurrentNode().getNext());
	}

	public JsTranslator(IStructuredDocument document, String fileName) {
	super("JavaScript translation for : " + fileName);
	fStructuredDocument = document;

	fStructuredDocument.addDocumentListener(this);
	setPriority(Job.LONG);
	setSystem(true);
	schedule();
	reset();
	}

	public JsTranslator(IStructuredDocument document, String fileName, boolean listenForChanges) {
	super("JavaScript translation for : " + fileName);
	fStructuredDocument = document;
	if(listenForChanges) {
	fStructuredDocument.addDocumentListener(this);
	setPriority(Job.LONG);
	setSystem(true);
	schedule();
	}
	reset();
	}

	public String getJsText() {
	synchronized(finished) {
	return fScriptText.toString();
	}
	}

	final public IStructuredDocumentRegion getCurrentNode() {
	return fCurrentNode;
	}

	public void setBuffer(IBuffer buffer) {
	compUnitBuff = buffer;
	synchronized(finished) {
	compUnitBuff.setContents(fScriptText.toString());
	}
	}

	public Position[] getHtmlLocations() {
	synchronized(finished) {
	return (Position[]) scriptLocationInHtml.toArray(new Position[scriptLocationInHtml.size()]);
	}
	}

	public int getMissingEndTagRegionStart() {
	return missingEndTagRegionStart;
	}

	public Position[] getImportHtmlRanges() {
	synchronized(finished) {
	return (Position[]) importLocationsInHtml.toArray(new Position[importLocationsInHtml.size()]);
	}
	}

	private char[] getPad(int numberOfChars) {
	final char[] spaceArray = new char[numberOfChars];
	Arrays.fill(spaceArray, ' ');
	return spaceArray;
	}

	public String[] getRawImports() {
	synchronized(finished) {
	return (String[]) this.rawImports.toArray(new String[rawImports.size()]);
	}
	}



	/**
	*
	* @return the status of the translator's progrss monitor, false if the
	* monitor is null
	*/
	private boolean isCanceled() {
	return cancelParse;
	}

	/**
	* Reinitialize some fields
	*/
	private void reset() {
	synchronized(fLock) {
	scriptOffset = 0;
	// reset progress monitor
	cancelParse = false;
	fScriptText = new StringBuffer();
	fCurrentNode = fStructuredDocument.getFirstStructuredDocumentRegion();
	rawImports.clear();
	importLocationsInHtml.clear();
	scriptLocationInHtml.clear();
	missingEndTagRegionStart = -1;
	}
	translate();
	}



	private IStructuredDocumentRegion setCurrentNode(IStructuredDocumentRegion currentNode) {
	synchronized(fLock) {
	return this.fCurrentNode = currentNode;
	}
	}

	public void translate() {
	//setCurrentNode(fStructuredDocument.getFirstStructuredDocumentRegion());
	synchronized(finished) {
	while (getCurrentNode() != null && !isCanceled()) {
	// System.out.println("Translator Looking at Node
	// type:"+getCurrentNode().getType()+"---------------------------------:");
	// System.out.println(new NodeHelper(getCurrentNode()));
	// i.println("/---------------------------------------------------");
	if (getCurrentNode().getType() == DOMRegionContext.XML_TAG_NAME) {
	NodeHelper nh = new NodeHelper(getCurrentNode());
	if ((!nh.isEndTag() \|\| nh.isSelfClosingTag()) && nh.nameEquals("script")) {
	/*
	* Handles the following cases: <script
	* type="javascriptype"> <script language="javascriptype>
	* <script src='' type=javascriptype> <script src=''
	* language=javascripttype <script src=''> global js type.
	* <script> (global js type)
	*/
	if (NodeHelper.isInArray(JsDataTypes.JSVALIDDATATYPES, nh.getAttributeValue("type")) \|\| NodeHelper.isInArray(JsDataTypes.JSVALIDDATATYPES, nh.getAttributeValue("language")) \|\| isGlobalJs) {
	if (nh.containsAttribute(new String[] { "src" })) {
	// Handle import
	translateScriptImportNode(getCurrentNode());
	}
	// } else {
	// handle script section

	if (getCurrentNode().getNext() != null /&& getCurrentNode().getNext().getType() == DOMRegionContext.BLOCK_TEXT/) {
	translateJSNode(getCurrentNode().getNext());
	}
	} // End search for <script> sections
	} else if (nh.containsAttribute(JsDataTypes.HTMLATREVENTS)) {
	/* Check for embeded JS events in any tags */
	translateInlineJSNode(getCurrentNode());
	} else if (nh.nameEquals("META") && nh.attrEquals("http-equiv", "Content-Script-Type") && nh.containsAttribute(new String[] { "content" })) {
	// <META http-equiv="Content-Script-Type" content="type">
	isGlobalJs = NodeHelper.isInArray(JsDataTypes.JSVALIDDATATYPES, nh.getAttributeValue("content"));
	} // End big if of JS types
	}
	if (getCurrentNode() != null) {
	advanceNextNode();
	}
	} // end while loop
	}
	finishedTranslation();
	}

	private void finishedTranslation() {
	if(compUnitBuff!=null) compUnitBuff.setContents(fScriptText.toString());
	}

	public void translateInlineJSNode(IStructuredDocumentRegion container) {
	// System.out
	// .println("JSPTranslator.translateInlineJSNode Entered
	// w/ScriptOffset:"
	// + scriptOffset);

	NodeHelper nh = new NodeHelper(container);
	// System.out.println("inline js node looking at:\n" + nh);
	/* start a function header.. will amend later */
	ITextRegionList t = container.getRegions();
	ITextRegion r;
	Iterator regionIterator = t.iterator();
	while (regionIterator.hasNext() && !isCanceled() ) {
	r = (ITextRegion) regionIterator.next();
	if (r.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) {
	int start = r.getStart();
	int offset = r.getTextEnd();
	String tagAttrname = container.getText().substring(start, offset).trim();
	/*
	* Attribute values aren't case sensative, also make sure next
	* region is attrib value
	*/
	if (NodeHelper.isInArray(JsDataTypes.HTMLATREVENTS, tagAttrname)) {
	if (regionIterator.hasNext()) {
	regionIterator.next();
	}
	if (regionIterator.hasNext()) {
	r = ((ITextRegion) regionIterator.next());
	}
	if (r.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) {
	int valStartOffset = container.getStartOffset(r);
	// int valEndOffset = r.getTextEnd();
	String rawText = container.getText().substring(r.getStart(), r.getTextEnd());
	if (rawText == null \|\| rawText.length() == 0) {
	return;
	}
	/* Strip quotes */
	switch (rawText.charAt(0)) {
	case '\'':
	case '"':
	rawText = rawText.substring(1);
	valStartOffset++;
	}
	switch (rawText.charAt(rawText.length() - 1)) {
	case '\'':
	case '"':
	rawText = rawText.substring(0, rawText.length() - 1);
	}
	// Position inScript = new Position(scriptOffset,
	// rawText.length());
	/* Quoted text starts +1 and ends -1 char */
	if(ADD_SEMICOLON_AT_INLINE) rawText = rawText + ";";
	Position inHtml = new Position(valStartOffset, rawText.length());
	scriptLocationInHtml.add(inHtml);
	/* need to pad the script text with spaces */
	char[] spaces = getPad(valStartOffset - scriptOffset);
	fScriptText.append(spaces);
	fScriptText.append(rawText);
	scriptOffset = fScriptText.length();
	}
	}
	}
	}
	}


	public void translateJSNode(IStructuredDocumentRegion container) {
	ITextRegionCollection containerRegion = container;
	Iterator regions = containerRegion.getRegions().iterator();
	ITextRegion region = null;

	if(container==null) return;

	char[] spaces = getPad(container.getStartOffset() - scriptOffset);
	fScriptText.append(spaces);
	scriptOffset = container.getStartOffset();

	if(container.getType()!=DOMRegionContext.BLOCK_TEXT && container.getType()!= DOMRegionContext.XML_CDATA_TEXT) {
	return;
	}

	while (regions.hasNext() && !isCanceled()) {
	region = (ITextRegion) regions.next();
	String type = region.getType();
	// content assist was not showing up in JSP inside a javascript
	// region
	if (type == DOMRegionContext.BLOCK_TEXT) {
	int scriptStart = container.getStartOffset();
	int scriptTextEnd = container.getEndOffset() - container.getStartOffset();
	String regionText = container.getText().substring(region.getStart(), region.getEnd());
	int regionLength = regionText.length();
	// /Position inScript = new Position(scriptOffset,
	// regionLength);
	Position inHtml = new Position(scriptStart, scriptTextEnd);
	scriptLocationInHtml.add(inHtml);
	spaces = getPad(scriptStart - scriptOffset);
	fScriptText.append(spaces);
	// fJsToHTMLRanges.put(inScript, inHtml);
	fScriptText.append(regionText);
	scriptOffset = fScriptText.length();
	}
	}

	IStructuredDocumentRegion endTag = container.getNext();

	if(endTag==null) {
	missingEndTagRegionStart = container.getStartOffset();
	}else if(endTag!=null) {
	NodeHelper nh = new NodeHelper(endTag);
	String name = nh.getTagName();

	if(name==null \|\| !name.trim().equalsIgnoreCase("script") \|\| !nh.isEndTag()) {
	missingEndTagRegionStart = container.getStartOffset();
	}
	}
	}

	public void translateScriptImportNode(IStructuredDocumentRegion region) {
	NodeHelper nh = new NodeHelper(region);
	String importName = nh.getAttributeValue("src");
	if (importName != null && !importName.equals("")) {
	rawImports.add(importName);
	Position inHtml = new Position(region.getStartOffset(), region.getEndOffset());
	importLocationsInHtml.add(inHtml);
	}
	}



	/* (non-Javadoc)
	* @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent)
	*/
	public void documentAboutToBeChanged(DocumentEvent event) {
	cancelParse = true;

	}

	/* (non-Javadoc)
	* @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
	*/
	public void documentChanged(DocumentEvent event) {
	reset();

	}

	/* (non-Javadoc)
	* @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
	*/
	protected IStatus run(IProgressMonitor monitor) {

	return Status.OK_STATUS;
	}

	public void release() {
	fStructuredDocument.removeDocumentListener(this);
	}

	}