diff options
Diffstat (limited to 'bundles/org.eclipse.wst.jsdt.web.core/src/org/eclipse/wst/jsdt/web/core/internal/java/JsTranslator.java')
| -rw-r--r-- | bundles/org.eclipse.wst.jsdt.web.core/src/org/eclipse/wst/jsdt/web/core/internal/java/JsTranslator.java | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/bundles/org.eclipse.wst.jsdt.web.core/src/org/eclipse/wst/jsdt/web/core/internal/java/JsTranslator.java b/bundles/org.eclipse.wst.jsdt.web.core/src/org/eclipse/wst/jsdt/web/core/internal/java/JsTranslator.java deleted file mode 100644 index b34172eb3e..0000000000 --- a/bundles/org.eclipse.wst.jsdt.web.core/src/org/eclipse/wst/jsdt/web/core/internal/java/JsTranslator.java +++ /dev/null @@ -1,422 +0,0 @@ -/******************************************************************************* - * 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.runtime.IProgressMonitor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.Status; -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.ITextRegionContainer; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionList; -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"; //$NON-NLS-1$ - - public static final boolean REMOVE_XML_COMMENT = true; - public static final String XML_COMMENT_START = "<!--"; //$NON-NLS-1$ - public static final String XML_COMMENT_END = "-->"; //$NON-NLS-1$ - - 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()); - } - - private void cleanupXmlQuotes() { - if(REMOVE_XML_COMMENT) { - int index = -1; - int replaceLength = XML_COMMENT_START.length(); - while((index = fScriptText.indexOf(XML_COMMENT_START, index)) > -1) { - fScriptText.replace(index, index + replaceLength, new String(getPad(replaceLength))); - } - - index = -1; - replaceLength = XML_COMMENT_END.length(); - while((index = fScriptText.indexOf(XML_COMMENT_END, index)) > -1) { - fScriptText.replace(index, index + replaceLength, new String(getPad(replaceLength))); - } - } - } - - - - - public JsTranslator(IStructuredDocument document, String fileName) { - super("JavaScript translation for : " + fileName); //$NON-NLS-1$ - 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); //$NON-NLS-1$ - 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) { - if(numberOfChars < 0) return new char[0]; - 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")) { //$NON-NLS-1$ - /* - * 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) { //$NON-NLS-1$ //$NON-NLS-2$ - if (nh.containsAttribute(new String[] { "src" })) { //$NON-NLS-1$ - // 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" })) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ - // <META http-equiv="Content-Script-Type" content="type"> - isGlobalJs = NodeHelper.isInArray(JsDataTypes.JSVALIDDATATYPES, nh.getAttributeValue("content")); //$NON-NLS-1$ - } // End big if of JS types - } - if (getCurrentNode() != null) { - advanceNextNode(); - } - } // end while loop - } - finishedTranslation(); - } - - private void finishedTranslation() { - cleanupXmlQuotes(); - 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 + ";"; //$NON-NLS-1$ - 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 - - //System.out.println("Region text: " + container.getText().substring(region.getStart(), region.getEnd())); - boolean isBlockRegion = region instanceof ITextRegionContainer; - /* make sure its not a sub container region, probably JSP */ - 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); - if(isBlockRegion) { - spaces = getPad(regionLength); - fScriptText.append(spaces); - }else { - 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()) { //$NON-NLS-1$ - missingEndTagRegionStart = container.getStartOffset(); - } - } - } - - public void translateScriptImportNode(IStructuredDocumentRegion region) { - NodeHelper nh = new NodeHelper(region); - String importName = nh.getAttributeValue("src"); //$NON-NLS-1$ - if (importName != null && !importName.equals("")) { //$NON-NLS-1$ - 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); - } - -}
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