diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslator.java')
| -rw-r--r-- | bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslator.java | 1785 |
1 files changed, 0 insertions, 1785 deletions
diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslator.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslator.java deleted file mode 100644 index e1fee7c7f0..0000000000 --- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/JSPTranslator.java +++ /dev/null @@ -1,1785 +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.jst.jsp.core.internal.java; - -import java.io.BufferedInputStream; -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.Reader; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Stack; -import java.util.StringTokenizer; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.Position; -import org.eclipse.jst.jsp.core.contentmodel.tld.TLDElementDeclaration; -import org.eclipse.jst.jsp.core.contentmodel.tld.TLDVariable; -import org.eclipse.jst.jsp.core.internal.Logger; -import org.eclipse.jst.jsp.core.internal.contentmodel.TaglibController; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager; -import org.eclipse.wst.common.contentmodel.CMDocument; -import org.eclipse.wst.common.contentmodel.CMNamedNodeMap; -import org.eclipse.wst.common.contentmodel.CMNode; -import org.eclipse.wst.common.contentmodel.modelquery.ModelQuery; -import org.eclipse.wst.sse.core.contentmodel.CMDocumentTracker; -import org.eclipse.wst.sse.core.contentmodel.CMNodeWrapper; -import org.eclipse.wst.sse.core.parser.BlockMarker; -import org.eclipse.wst.sse.core.text.IStructuredDocument; -import org.eclipse.wst.sse.core.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.text.ITextRegion; -import org.eclipse.wst.sse.core.text.ITextRegionCollection; -import org.eclipse.wst.sse.core.text.ITextRegionContainer; -import org.eclipse.wst.sse.core.text.ITextRegionList; -import org.eclipse.wst.sse.core.util.StringUtils; -import org.eclipse.wst.sse.core.util.URIResolver; -import org.eclipse.wst.xml.core.document.XMLModel; -import org.eclipse.wst.xml.core.document.XMLNode; -import org.eclipse.wst.xml.core.jsp.model.parser.temp.XMLJSPRegionContexts; -import org.eclipse.wst.xml.core.modelquery.ModelQueryUtil; -import org.eclipse.wst.xml.core.parser.XMLRegionContext; - -/** - * 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 JSPTranslator { - - public static final String ENDL = "\n"; //$NON-NLS-1$ - - private String fClassHeader = "public class _JSPServlet extends "; //$NON-NLS-1$ - private String fClassname = "_JSPServlet"; //$NON-NLS-1$ - - private String fServiceHeader = "public void _jspService(javax.servlet.http.HttpServletRequest request," + //$NON-NLS-1$ - " javax.servlet.http.HttpServletResponse response)\n" + //$NON-NLS-1$ - "\t\tthrows java.io.IOException, javax.servlet.ServletException {\n" + //$NON-NLS-1$ - "javax.servlet.jsp.PageContext pageContext = null;\n" + //$NON-NLS-1$ - "javax.servlet.http.HttpSession session = null;\n" + //$NON-NLS-1$ - "javax.servlet.ServletContext application = null;\n" + //$NON-NLS-1$ - "javax.servlet.ServletConfig config = null;\n" + //$NON-NLS-1$ - "javax.servlet.jsp.JspWriter out = null;\n" + //$NON-NLS-1$ - "Object page = null;"; //$NON-NLS-1$ - - private String fFooter = "}}"; //$NON-NLS-1$ - private String fException = "Throwable exception = null;"; //$NON-NLS-1$ - public static final String EXPRESSION_PREFIX = "out.print(\"\"+"; //$NON-NLS-1$ - public static final String EXPRESSION_SUFFIX = ");"; //$NON-NLS-1$ - private String fSuperclass = "javax.servlet.http.HttpServlet"; //$NON-NLS-1$ - - /** fSourcePosition = position in JSP source*/ - private int fSourcePosition = -1; - /** fRelativeOffest = offset in the buffer there the cursor is */ - private int fRelativeOffset = -1; - /** fCursorPosition = offset in the translated java document */ - private int fCursorPosition = -1; - /** some page directive attributes */ - private boolean fIsErrorPage, fCursorInExpression = false; - - /** user java code in body of the service method */ - private StringBuffer fUserCode = new StringBuffer(); - /** user defined vars declared in the beginning of the class */ - private StringBuffer fUserDeclarations = new StringBuffer(); - /** user defined imports */ - private StringBuffer fUserImports = new StringBuffer(); - - private StringBuffer fImports = new StringBuffer(); // imports - private StringBuffer fResult; // the final traslated java document string buffer - private StringBuffer fCursorOwner = null; // the buffer where the cursor is - - private XMLModel fStructuredModel = null; - private IStructuredDocument fStructuredDocument = null; - private ModelQuery fModelQuery = null; - //private XMLNode fPositionNode; // position in the DOM - private IStructuredDocumentRegion fCurrentNode; - private boolean fInCodeRegion = false; // flag for if cursor is in the current region being translated - - /** - * these constants are to keep track of whether the code in question - * is embedded (JSP as an attribute or within comment tags) - * or is just standard JSP code, or identifies if it's an expression - */ - protected final static int STANDARD_JSP = 0; - protected final static int EMBEDDED_JSP = 1; - protected final static int DECLARATION = 2; - protected final static int EXPRESSION = 4; - protected final static int SCRIPTLET = 8; - - /** used to avoid infinite looping include files */ - private Stack fIncludes = null; - /** mostly for helper classes, so they parse correctly */ - private ArrayList fBlockMarkers = null; - /** use only one inclue helper per file location */ - private HashMap fJSPIncludeHelperMap = null; - /** for keeping track of offset in user buffers while document is being built*/ - private int fOffsetInUserImports = 0; - private int fOffsetInUserDeclarations = 0; - private int fOffsetInUserCode = 0; - - /** correlates ranges (positions) in java to ranges in jsp */ - private HashMap fJava2JspRanges = new HashMap(); - - /** map of ranges in fUserImports (relative to the start of the buffer) to ranges in source JSP buffer. */ - private HashMap fImportRanges = new HashMap(); - /** map of ranges in fUserCode (relative to the start of the buffer) to ranges in source JSP buffer. */ - private HashMap fCodeRanges = new HashMap(); - /** map of ranges in fUserDeclarations (relative to the start of the buffer) to ranges in source JSP buffer. */ - private HashMap fDeclarationRanges = new HashMap(); - - private HashMap fUseBeanRanges = new HashMap(); - /** ranges that don't directly map from java code to JSP code (eg. <%@include file="included.jsp"%> */ - private HashMap fIndirectRanges = new HashMap(); - - private IProgressMonitor fProgressMonitor = null; - - /** - * save JSP document text for later use - * may just want to read this from the file or strucdtured document depending what is available - * */ - private StringBuffer fJspTextBuffer = new StringBuffer(); - - /** - * Bits indicates what state the translator is in - * use stateMask | MASK to set - * use (stateMask & MASK) == MASK to check - * USE stateMask - */ - - /** no state */ - public static final int S_NONE = 0; - - /** - * configure using an XMLNode - * @param node - * @param monitor - */ - private void configure(XMLNode node, IProgressMonitor monitor) { - - fProgressMonitor = monitor; - fStructuredModel = node.getModel(); - //fPositionNode = node; - - fModelQuery = ModelQueryUtil.getModelQuery(node.getOwnerDocument()); - fStructuredDocument = fStructuredModel.getStructuredDocument(); - - String className = createClassname(node); - if (className.length() > 0) { - setClassname(className); - fClassHeader = "public class " + className + " extends "; //$NON-NLS-1$ //$NON-NLS-2$ - } - } - - /** - * memory saving configure (no StructuredDocument in memory) - * currently doesn't handle included files - * - * @param jspFile - * @param monitor - */ - private void configure(IFile jspFile, IProgressMonitor monitor) { - // when configured on a file - // fStructuredModel, fPositionNode, fModelQuery, fStructuredDocument are all null - - fProgressMonitor = monitor; - - String className = createClassname(jspFile); - if (className.length() > 0) { - setClassname(className); - fClassHeader = "public class " + className + " extends "; //$NON-NLS-1$ //$NON-NLS-2$ - } - } - - /** - * Set the jsp text from an IFile - * @param jspFile - */ - private void setJspText(IFile jspFile) { - try { - BufferedInputStream in = new BufferedInputStream(jspFile.getContents()); - BufferedReader reader = new BufferedReader(new InputStreamReader(in)); - String line = null; - while ((line=reader.readLine()) != null){ - fJspTextBuffer.append(line); - fJspTextBuffer.append(ENDL); - } - reader.close(); - } - catch (CoreException e){ - Logger.logException(e); - } - catch(IOException e) { - Logger.logException(e); - } - } - - /** - * @param node - * @return - */ - private String createClassname(XMLNode node) { - - String classname = ""; //$NON-NLS-1$ - if (node != null) { - String base = node.getModel().getBaseLocation(); - classname = JSP2ServletNameUtil.mangle(base); - } - return classname; - } - - /** - * @param jspFile - * @return - */ - private String createClassname(IFile jspFile) { - - String classname = ""; //$NON-NLS-1$ - if(jspFile != null) { - classname = JSP2ServletNameUtil.mangle(jspFile.getFullPath().toString()); - } - return classname; - } - - public void setClassname(String classname) { - this.fClassname = classname; - } - - public String getClassname() { - return this.fClassname != null ? this.fClassname : "GenericJspServlet"; //$NON-NLS-1$ - } - - /** - * So that the JSPTranslator can be reused. - */ - public void reset(XMLNode node, IProgressMonitor progress) { - - // initialize some things on node - configure(node, progress); - reset(); - // set the jsp text buffer - fJspTextBuffer.append(fStructuredDocument.get()); - } - - /** - * conservative version (no StructuredDocument/Model) - * @param jspFile - * @param progress - */ - public void reset(IFile jspFile, IProgressMonitor progress) { - - // initialize some things on node - configure(jspFile, progress); - reset(); - // set the jsp text buffer - setJspText(jspFile); - } - - /** - * Reinitialize some fields - */ - private void reset() { - - // reset progress monitor - if (fProgressMonitor != null) - fProgressMonitor.setCanceled(false); - - // reinit fields - fSourcePosition = -1; - fRelativeOffset = -1; - fCursorPosition = -1; - - fIsErrorPage = fCursorInExpression = false; - - fUserCode = new StringBuffer(); - fUserDeclarations = new StringBuffer(); - fUserImports = new StringBuffer(); - - fImports = new StringBuffer(); // imports - fResult = null; - fCursorOwner = null; // the buffer where the cursor is - - fCurrentNode = null; - fInCodeRegion = false; // flag for if cursor is in the current region - // being translated - - if (fIncludes != null) - fIncludes.clear(); - - fBlockMarkers = null; - - fJSPIncludeHelperMap = null; - - fOffsetInUserImports = 0; - fOffsetInUserDeclarations = 0; - fOffsetInUserCode = 0; - - fJava2JspRanges.clear(); - fImportRanges.clear(); - fCodeRanges.clear(); - fUseBeanRanges.clear(); - fDeclarationRanges.clear(); - fIndirectRanges.clear(); - - fJspTextBuffer = new StringBuffer(); - } - - /** - * @return just the "shell" of a servlet, nothing contributed from the JSP doc - */ - public final StringBuffer getEmptyTranslation() { - reset(); - buildResult(); - return getTranslation(); - } - - /** - * put the final java document together - */ - private final void buildResult() { - // to build the java document this is the order: - // - // + default imports - // + user imports - // + class header - // [+ error page] - // + user declarations - // + service method header - // + user code - // + service method footer - fResult = new StringBuffer(fImports.length() + fUserDeclarations.length() + fUserCode.length() + 2048); - int javaOffset = 0; - - // default imports - append(fImports); - javaOffset += fImports.length(); - updateRanges(fImportRanges, javaOffset); - - //updateRanges(fIndirectImports, javaOffset); - // user imports - append(fUserImports); - javaOffset += fUserImports.length(); - - // class header - fResult.append(fClassHeader); //$NON-NLS-1$ - javaOffset += fClassHeader.length(); - fResult.append(fSuperclass + "{\n"); //$NON-NLS-1$ - javaOffset += fSuperclass.length() + 2; - - updateRanges(fDeclarationRanges, javaOffset); - // user declarations - append(fUserDeclarations); - javaOffset += fUserDeclarations.length(); - - fResult.append(fServiceHeader); - javaOffset += fServiceHeader.length(); - // error page - if (fIsErrorPage) { - fResult.append(fException); - javaOffset += fException.length(); - } - updateRanges(fCodeRanges, javaOffset); - - // user code - append(fUserCode); - javaOffset += fUserCode.length(); - - // footer - fResult.append(fFooter); - javaOffset += fFooter.length(); - - fJava2JspRanges.putAll(fImportRanges); - fJava2JspRanges.putAll(fDeclarationRanges); - fJava2JspRanges.putAll(fCodeRanges); - } - - /** - * @param javaRanges - * @param offsetInJava - */ - private void updateRanges(HashMap rangeMap, int offsetInJava) { - // just need to update java ranges w/ the offset we now know - Iterator it = rangeMap.keySet().iterator(); - while (it.hasNext()) - ((Position) it.next()).offset += offsetInJava; - } - - /** - * map of ranges (positions) in java document to ranges in jsp document - * @return a map of java positions to jsp positions. - */ - public HashMap getJava2JspRanges() { - return fJava2JspRanges; - } - - /** - * map of ranges in jsp document to ranges in java document. - * @return a map of jsp positions to java positions, or null if no translation has occured yet - * (the map hasn't been built). - */ - public HashMap getJsp2JavaRanges() { - if (fJava2JspRanges == null) - return null; - HashMap flipFlopped = new HashMap(); - Iterator keys = fJava2JspRanges.keySet().iterator(); - Object range = null; - while (keys.hasNext()) { - range = keys.next(); - flipFlopped.put(fJava2JspRanges.get(range), range); - } - return flipFlopped; - } - - public HashMap getJava2JspImportRanges() { - return fImportRanges; - } - - public HashMap getJava2JspUseBeanRanges() { - return fUseBeanRanges; - } - - public HashMap getJava2JspIndirectRanges() { - return fIndirectRanges; - } - - /** - * Adds to the jsp<->java map by default - * @param value a comma delimited list of imports - */ - protected void addImports(String value) { - addImports(value, true); - } - - /** - * Pass in a comma delimited list of import values, - * appends each to the final result buffer - * @param value a comma delimited list of imports - */ - protected void addImports(String value, boolean addToMap) { - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=81687 - // added the "addToMap" parameter to exclude imports originating - // from included JSP files to be added to the jsp<->java mapping - StringTokenizer st = new StringTokenizer(value, ",", false); //$NON-NLS-1$ - String tok = ""; //$NON-NLS-1$ - String appendage = ""; //$NON-NLS-1$ - while (st.hasMoreTokens()) { - tok = st.nextToken(); - appendage = "import " + tok + ";" + ENDL; //$NON-NLS-1$ //$NON-NLS-2$ - appendToBuffer(appendage, fUserImports, addToMap, fCurrentNode); - } - } - - /** - /* keep track of cursor position inside the buffer - /* appends buffer to the final result buffer - */ - protected void append(StringBuffer buf) { - if (getCursorOwner() == buf) { - fCursorPosition = fResult.length() + getRelativeOffset(); - } - fResult.append(buf.toString()); - } - - /** - * Only valid after a configure(...), translate(...) or translateFromFile(...) call - * @return the current result (java translation) buffer - */ - public final StringBuffer getTranslation() { - return fResult; - } - - /** - * Only valid after a configure(...), translate(...) or translateFromFile(...) call - * @return the text in the JSP file - */ - public final String getJspText() { - return fJspTextBuffer.toString(); - } - - /** - * adds the variables for a tag in a taglib to the dummy java document - * @param tagToAdd is the name of the tag whose variables we want to add - */ - protected void addTaglibVariables(String tagToAdd) { - if (fModelQuery != null) { - // https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=5159 - TLDCMDocumentManager docMgr = TaglibController.getTLDCMDocumentManager(fStructuredDocument); - if (docMgr == null) - return; - Iterator taglibs = docMgr.getCMDocumentTrackers(fCurrentNode.getStartOffset()).iterator(); - CMDocument doc = null; - CMNamedNodeMap elements = null; - while (taglibs.hasNext()) { - doc = (CMDocument) taglibs.next(); - CMNode node = null; - if ((elements = doc.getElements()) != null && (node = elements.getNamedItem(tagToAdd)) != null && node.getNodeType() == CMNode.ELEMENT_DECLARATION) { - if (node instanceof CMNodeWrapper) { - node = ((CMNodeWrapper) node).getOriginNode(); - } - // future_TODO - // FOR TAGLIB 1.1 STYLE, WE NEED TO INSTANTIATE THE - // TagExtraInfo class and get the variables that way - // use reflection to create class... - // VariableInfo[] getVariableInfo(TagData data) - // THIS IS ONLY FOR TAGLIB 1.2 STYLE .tld files - List list = ((TLDElementDeclaration) node).getVariables(); - Iterator it = list.iterator(); - while (it.hasNext()) { - TLDVariable var = (TLDVariable) it.next(); - String varName = var.getNameGiven(); - if (varName == null) { - varName = var.getNameFromAttribute(); - } - if (varName != null) { - String varClass = "java.lang.String"; //$NON-NLS-1$ // the default class... - if (var.getVariableClass() != null) { - varClass = var.getVariableClass(); - } - // add to declarations... - String newDeclaration = varClass + " " + varName + " = null;" + ENDL; //$NON-NLS-1$ //$NON-NLS-2$ - // https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=5159 - // not adding to map to avoid strange refactoring behavior - appendToBuffer(newDeclaration, fUserCode, false, fCurrentNode); -// fUserCode.append(newDeclaration); -// -// Position javaRange = new Position(fOffsetInUserCode, newDeclaration.length()); -// // will need to incrememnt offset in user code -// Position jspRange = new Position(fCurrentNode.getStart(), fCurrentNode.getLength()); -// fCodeRanges.put(javaRange, jspRange); -// fOffsetInUserCode += newDeclaration.length(); - - } - } - } - } - } - } - - /* - * used by inner helper class (XMLJSPRegionHelper, JSPIncludeRegionHelper) - */ - public List getBlockMarkers() { - if (fBlockMarkers == null) - fBlockMarkers = new ArrayList(); - return fBlockMarkers; - } - - /** - /* the main control loop for translating the document, driven by the structuredDocument nodes - */ - public void translate() { - setCurrentNode(fStructuredDocument.getFirstStructuredDocumentRegion()); - - while (getCurrentNode() != null && !isCanceled()) { - - // intercept HTML comment flat node - // also handles UNDEFINED (which is what CDATA comes in as) - // basically this part will handle any "embedded" JSP containers - if (getCurrentNode().getType() == XMLRegionContext.XML_COMMENT_TEXT || getCurrentNode().getType() == XMLRegionContext.XML_CDATA_TEXT || getCurrentNode().getType() == XMLRegionContext.UNDEFINED) { - translateXMLCommentNode(getCurrentNode()); - } - else // iterate through each region in the flat node - { - translateRegionContainer(getCurrentNode(), STANDARD_JSP); - } - if (getCurrentNode() != null) - advanceNextNode(); - } - buildResult(); - } - - protected void setDocumentContent(IDocument document, InputStream contentStream, String charset) { - Reader in = null; - try { - in = new BufferedReader(new InputStreamReader(contentStream, charset), 2048); - StringBuffer buffer = new StringBuffer(2048); - char[] readBuffer = new char[2048]; - int n = in.read(readBuffer); - while (n > 0) { - buffer.append(readBuffer, 0, n); - n = in.read(readBuffer); - } - document.set(buffer.toString()); - } - catch (IOException x) { - // ignore - } - finally { - if (in != null) { - try { - in.close(); - } - catch (IOException x) { - // ignore - } - } - } - } - - /** - * - * @return the status of the translator's progrss monitor, false if the monitor is null - */ - private boolean isCanceled() { - return (fProgressMonitor == null) ? false : fProgressMonitor.isCanceled(); - } - - private void advanceNextNode() { - setCurrentNode(getCurrentNode().getNext()); - if (getCurrentNode() != null) - setSourceReferencePoint(); - } - - private void setSourceReferencePoint() { - if (isJSP(getCurrentNode().getFirstRegion().getType())) { - Iterator it = getCurrentNode().getRegions().iterator(); - ITextRegion r = null; - while (it.hasNext()) { - r = (ITextRegion) it.next(); - if (r.getType() == XMLJSPRegionContexts.JSP_CONTENT || r.getType() == XMLRegionContext.XML_CONTENT) - break; - else if (r.getType() == XMLJSPRegionContexts.JSP_DIRECTIVE_NAME) - break; - else if (r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_VALUE && getCurrentNode().getFullText(r).trim().equals("import")) //$NON-NLS-1$ - break; - } - } - } - - /** - * translates a region container (and XML JSP container, or <% JSP container) - */ - protected void translateRegionContainer(ITextRegionCollection container, int JSPType) { - - ITextRegionCollection containerRegion = container; - Iterator regions = containerRegion.getRegions().iterator(); - ITextRegion region = null; - while (regions.hasNext()) { - region = (ITextRegion) regions.next(); - String type = region.getType(); - // PMR 91930 - // CMVC 241869 - // content assist was not showing up in JSP inside a javascript region - if (type == XMLRegionContext.BLOCK_TEXT) { - // check if it's nested jsp in a script tag... - if (region instanceof ITextRegionContainer) { - translateJSPNode(region, regions, type, EMBEDDED_JSP); - } - else { - ////////////////////////////////////////////////////////////////////////////////// - // THIS EMBEDDED JSP TEXT WILL COME OUT LATER WHEN PARTITIONING HAS - // SUPPORT FOR NESTED XML-JSP - // CMVC 241882 - decodeScriptBlock(containerRegion.getFullText(region), containerRegion.getStartOffset()); - ////////////////////////////////////////////////////////////////////////////////// - } - } - if (type != null && isJSP(type)) // <%, <%=, <%!, <%@ - { - translateJSPNode(region, regions, type, JSPType); - } - else if (type != null && type == XMLRegionContext.XML_TAG_OPEN) { - translateXMLNode(containerRegion, regions); - } - } - //} - } - - /*////////////////////////////////////////////////////////////////////////////////// - * ** TEMP WORKAROUND FOR CMVC 241882 - * Takes a String and blocks out jsp:scriptlet, jsp:expression, and jsp:declaration - * @param blockText - * @return - */ - private void decodeScriptBlock(String blockText, int startOfBlock) { - XMLJSPRegionHelper helper = new XMLJSPRegionHelper(this); - helper.addBlockMarker(new BlockMarker("jsp:scriptlet", null, XMLJSPRegionContexts.JSP_CONTENT, false)); //$NON-NLS-1$ - helper.addBlockMarker(new BlockMarker("jsp:expression", null, XMLJSPRegionContexts.JSP_CONTENT, false)); //$NON-NLS-1$ - helper.addBlockMarker(new BlockMarker("jsp:declaration", null, XMLJSPRegionContexts.JSP_CONTENT, false)); //$NON-NLS-1$ - helper.addBlockMarker(new BlockMarker("jsp:directive.include", null, XMLJSPRegionContexts.JSP_CONTENT, false)); //$NON-NLS-1$ - helper.addBlockMarker(new BlockMarker("jsp:directive.taglib", null, XMLJSPRegionContexts.JSP_CONTENT, false)); //$NON-NLS-1$ - helper.reset(blockText, startOfBlock); - // force parse - helper.forceParse(); - helper.writeToBuffers(); - } - - /* - * returns string minus CDATA open and close text - */ - final public String stripCDATA(String text) { - String resultText = ""; //$NON-NLS-1$ - String CDATA_OPEN = "<![CDATA["; //$NON-NLS-1$ - String CDATA_CLOSE = "]]>"; //$NON-NLS-1$ - int start = 0; - int end = text.length(); - while (start < text.length()) { - if (text.indexOf(CDATA_OPEN, start) > -1) { - end = text.indexOf(CDATA_OPEN, start); - resultText += text.substring(start, end); - start = end + CDATA_OPEN.length(); - } - else if (text.indexOf(CDATA_CLOSE, start) > -1) { - end = text.indexOf(CDATA_CLOSE, start); - resultText += text.substring(start, end); - start = end + CDATA_CLOSE.length(); - } - else { - end = text.length(); - resultText += text.substring(start, end); - break; - } - } - return resultText; - } - - // END OF WORKAROUND CODE... - /////////////////////////////////////////////////////////////////////////////////////// - /** - * determines if the type is a pure JSP type (not XML) - */ - protected boolean isJSP(String type) { - return ((type == XMLJSPRegionContexts.JSP_DIRECTIVE_OPEN || type == XMLJSPRegionContexts.JSP_EXPRESSION_OPEN || type == XMLJSPRegionContexts.JSP_DECLARATION_OPEN || type == XMLJSPRegionContexts.JSP_SCRIPTLET_OPEN || type == XMLJSPRegionContexts.JSP_CONTENT) && type != XMLRegionContext.XML_TAG_OPEN); - // checking XML_TAG_OPEN so <jsp:directive.xxx/> gets treated like other XML jsp tags - } - - /** - * translates the various XMLJSP type nodes - * @param regions the regions of the XMLNode - */ - protected void translateXMLNode(ITextRegionCollection container, Iterator regions) { - // contents must be valid XHTML, translate escaped CDATA into what it really is... - ITextRegion r = null; - if (regions.hasNext()) { - r = (ITextRegion) regions.next(); - if (r.getType() == XMLRegionContext.XML_TAG_NAME || r.getType() == XMLJSPRegionContexts.JSP_DIRECTIVE_NAME) // <jsp:directive.xxx comes in as this - { - String fullTagName = container.getFullText(r).trim(); - if (fullTagName.indexOf(':') > -1) { - addTaglibVariables(fullTagName); // it may be a taglib - } - StringTokenizer st = new StringTokenizer(fullTagName, ":.", false); //$NON-NLS-1$ - if (st.hasMoreTokens() && st.nextToken().equals("jsp")) //$NON-NLS-1$ - { - if (st.hasMoreTokens()) { - String jspTagName = st.nextToken(); - if (jspTagName.equals("useBean")) //$NON-NLS-1$ - { - advanceNextNode(); // get the content - if (getCurrentNode() != null) { - translateUseBean(container); // 'regions' should be all the useBean attributes - } - } - else if (jspTagName.equals("scriptlet")) //$NON-NLS-1$ - { - // <jsp:scriptlet>scriptlet content...</jsp:scriptlet> - IStructuredDocumentRegion sdr = getCurrentNode().getNext(); - if(sdr != null) { - translateScriptletString(sdr.getText(), sdr, sdr.getStartOffset(), sdr.getEndOffset()); - } - advanceNextNode(); - } - else if (jspTagName.equals("expression")) //$NON-NLS-1$ - { - // <jsp:expression>expression content...</jsp:expression> - IStructuredDocumentRegion sdr = getCurrentNode().getNext(); - if(sdr != null) { - translateExpressionString(sdr.getText(), sdr, sdr.getStartOffset(), sdr.getEndOffset()); - } - advanceNextNode(); - } - else if (jspTagName.equals("declaration")) //$NON-NLS-1$ - { - // <jsp:declaration>declaration content...</jsp:declaration> - IStructuredDocumentRegion sdr = getCurrentNode().getNext(); - if(sdr != null) { - translateDeclarationString(sdr.getText(), sdr, sdr.getStartOffset(), sdr.getEndOffset()); - - } - advanceNextNode(); - } - else if (jspTagName.equals("directive")) //$NON-NLS-1$ - { - if (st.hasMoreTokens()) { - String directiveName = st.nextToken(); - if (directiveName.equals("taglib")) { //$NON-NLS-1$ - handleTaglib(); - return; - } - else if (directiveName.equals("include")) { //$NON-NLS-1$ - - String fileLocation = ""; //$NON-NLS-1$ - String attrValue = ""; //$NON-NLS-1$ - // CMVC 258311 - // PMR 18368, B663 - // skip to required "file" attribute, should be safe because - // "file" is the only attribute for the include directive - while (r != null && regions.hasNext() && !r.getType().equals(XMLRegionContext.XML_TAG_ATTRIBUTE_NAME)) { - r = (ITextRegion) regions.next(); - } - attrValue = getAttributeValue(r, regions); - if (attrValue != null) - handleIncludeFile(fileLocation); - } - else if (directiveName.equals("page")) { //$NON-NLS-1$ - - // 20040702 commenting this out - // bad if currentNode is referenced after here w/ the current list - // see: https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=3035 - // setCurrentNode(getCurrentNode().getNext()); - if (getCurrentNode() != null) { - translatePageDirectiveAttributes(regions); // 'regions' are attributes for the directive - } - } - } - } - else if(jspTagName.equals("include")) { //$NON-NLS-1$ - - // <jsp:include page="filename") /> - while(regions.hasNext()) { - r = (ITextRegion)regions.next(); - if(r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_NAME && getCurrentNode().getText(r).equals("page")) { //$NON-NLS-1$ - String filename = getAttributeValue(r, regions); - handleIncludeFile(filename); - break; - } - } - } - } - } - else { - // tag name is not jsp - // handle embedded jsp attributes... - ITextRegion embedded = null; - Iterator attrRegions = null; - ITextRegion attrChunk = null; - while (regions.hasNext()) { - embedded = (ITextRegion) regions.next(); - if (embedded instanceof ITextRegionContainer) { - // parse out container - attrRegions = ((ITextRegionContainer) embedded).getRegions().iterator(); - while (attrRegions.hasNext()) { - attrChunk = (ITextRegion) attrRegions.next(); - String type = attrChunk.getType(); - // CMVC 263661, embedded JSP in attribute support - // only want to translate one time per embedded region - // so we only translate on the JSP open tags (not content) - if (type == XMLJSPRegionContexts.JSP_EXPRESSION_OPEN || type == XMLJSPRegionContexts.JSP_SCRIPTLET_OPEN || type == XMLJSPRegionContexts.JSP_DECLARATION_OPEN || type == XMLJSPRegionContexts.JSP_DIRECTIVE_OPEN) { - // now call jsptranslate - //System.out.println("embedded jsp OPEN >>>> " + ((ITextRegionContainer)embedded).getText(attrChunk)); - translateEmbeddedJSPInAttribute((ITextRegionContainer) embedded); - } - } - } - } - } - } - } - } - - /** - * goes through comment regions, checks if any are an embedded JSP container - * if it finds one, it's sends the container into the translation routine - */ - protected void translateXMLCommentNode(IStructuredDocumentRegion node) { - Iterator it = node.getRegions().iterator(); - ITextRegion commentRegion = null; - while (it != null && it.hasNext()) { - commentRegion = (ITextRegion) it.next(); - if (commentRegion instanceof ITextRegionContainer) { - translateRegionContainer((ITextRegionContainer) commentRegion, EMBEDDED_JSP); // it's embedded jsp...iterate regions... - } - } - } - - /** - * determines which type of JSP node to translate - */ - protected void translateJSPNode(ITextRegion region, Iterator regions, String type, int JSPType) { - if (type == XMLJSPRegionContexts.JSP_DIRECTIVE_OPEN && regions != null) { - translateDirective(regions); - } - else { - ITextRegionCollection contentRegion = null; - if (JSPType == STANDARD_JSP && (setCurrentNode(getCurrentNode().getNext())) != null) { - contentRegion = getCurrentNode(); - } - else if (JSPType == EMBEDDED_JSP && region instanceof ITextRegionCollection) { - // CMVC 263661 - translateEmbeddedJSPInBlock((ITextRegionCollection) region); - // ensure the rest of this method won't be called - contentRegion = null; - } - if (contentRegion != null) { - if (type == XMLJSPRegionContexts.JSP_EXPRESSION_OPEN) { - translateExpression(contentRegion); - } - else if (type == XMLJSPRegionContexts.JSP_DECLARATION_OPEN) { - translateDeclaration(contentRegion); - } - else if (type == XMLJSPRegionContexts.JSP_CONTENT || type == XMLJSPRegionContexts.JSP_SCRIPTLET_OPEN) { - translateScriptlet(contentRegion); - } - } - else { - // this is the case of an attribute w/ no region <p align="<%%>"> - setCursorOwner(getJSPTypeForRegion(region)); - } - } - } - - /** - * Pass the ITextRegionCollection which is the embedded region - * @param iterator - */ - private void translateEmbeddedJSPInBlock(ITextRegionCollection collection) { - Iterator regions = collection.getRegions().iterator(); - ITextRegion region = null; - while (regions.hasNext()) { - region = (ITextRegion) regions.next(); - if (isJSP(region.getType())) - break; - region = null; - } - if (region != null) { - translateEmbeddedJSPInAttribute(collection); - } - } - - /* - * for example: - * <a href="index.jsp?p=<%=abc%>b=<%=xyz%>">abc</a> - */ - private void translateEmbeddedJSPInAttribute(ITextRegionCollection embeddedContainer) { - // THIS METHOD IS A FIX FOR CMVC 263661 (jsp embedded in attribute regions) - - // loop all regions - ITextRegionList embeddedRegions = embeddedContainer.getRegions(); - ITextRegion delim = null; - ITextRegion content = null; - String type = null; - for(int i=0; i<embeddedRegions.size(); i++) { - - // possible delimiter, check later - delim = embeddedRegions.get(i); - type = delim.getType(); - - // check next region to see if it's content - if(i+1<embeddedRegions.size()) { - if(embeddedRegions.get(i+1).getType() == XMLJSPRegionContexts.JSP_CONTENT) - content = embeddedRegions.get(i+1); - } - - if(content != null) { - int contentStart = embeddedContainer.getStartOffset(content); - int rStart = fCurrentNode.getStartOffset() + contentStart; - int rEnd = fCurrentNode.getStartOffset() + embeddedContainer.getEndOffset(content); - - boolean inThisRegion = rStart <= fSourcePosition && rEnd >= fSourcePosition; - //int jspPositionStart = fCurrentNode.getStartOffset() + contentStart; - - if(type == XMLJSPRegionContexts.JSP_EXPRESSION_OPEN) { - fLastJSPType = EXPRESSION; - translateExpressionString(embeddedContainer.getText(content), fCurrentNode, contentStart, content.getLength()); - } - else if(type == XMLJSPRegionContexts.JSP_SCRIPTLET_OPEN) { - fLastJSPType = SCRIPTLET; - translateScriptletString(embeddedContainer.getText(content), fCurrentNode, contentStart, content.getLength()); - } - else if(type == XMLJSPRegionContexts.JSP_DECLARATION_OPEN) { - fLastJSPType = DECLARATION; - translateDeclarationString(embeddedContainer.getText(content), fCurrentNode, contentStart, content.getLength()); - } - - // calculate relative offset in buffer - if (inThisRegion) { - setCursorOwner(fLastJSPType); - int currentBufferLength = getCursorOwner().length(); - setRelativeOffset((fSourcePosition - contentStart) + currentBufferLength); - if (fLastJSPType == EXPRESSION) { - // if an expression, add then length of the enclosing paren.. - setCursorInExpression(true); - setRelativeOffset(getRelativeOffset() + EXPRESSION_PREFIX.length()); - } - } - } - else { - type = null; - content = null; - } - } - } - - private int fLastJSPType = SCRIPTLET; - - /** - * JSPType is only used internally in this class to describe tye type of region to be translated - * @param region - * @return int - */ - private int getJSPTypeForRegion(ITextRegion region) { - String regionType = region.getType(); - int type = SCRIPTLET; - if (regionType == XMLJSPRegionContexts.JSP_SCRIPTLET_OPEN) - type = SCRIPTLET; - else if (regionType == XMLJSPRegionContexts.JSP_EXPRESSION_OPEN) - type = EXPRESSION; - else if (regionType == XMLJSPRegionContexts.JSP_DECLARATION_OPEN) - type = DECLARATION; - else if (regionType == XMLJSPRegionContexts.JSP_CONTENT) - type = fLastJSPType; - // remember the last type, in case the next type that comes in is JSP_CONTENT - fLastJSPType = type; - return type; - } - - /** - /* <%@ %> - /* need to pass in the directive tag region - */ - protected void translateDirective(Iterator regions) { - ITextRegion r = null; - String regionText, attrValue = ""; //$NON-NLS-1$ - while (regions.hasNext() && (r = (ITextRegion) regions.next()) != null && r.getType() == XMLJSPRegionContexts.JSP_DIRECTIVE_NAME) { // could be XML_CONTENT = "", skips attrs? - regionText = getCurrentNode().getText(r); - if (regionText.indexOf("taglib") > -1) { //$NON-NLS-1$ - // add custom tag block markers here - handleTaglib(); - return; - } - else if (regionText.equals("include")) { //$NON-NLS-1$ - String fileLocation = ""; //$NON-NLS-1$ - // CMVC 258311 - // PMR 18368, B663 - // skip to required "file" attribute, should be safe because - // "file" is the only attribute for the include directive - while (r != null && regions.hasNext() && !r.getType().equals(XMLRegionContext.XML_TAG_ATTRIBUTE_NAME)) { - r = (ITextRegion) regions.next(); - } - fileLocation = getAttributeValue(r, regions); - if (attrValue != null) - handleIncludeFile(fileLocation); - } - else if (regionText.indexOf("page") > -1) { //$NON-NLS-1$ - translatePageDirectiveAttributes(regions); - } - } - } - - /* - * This method should ideally only be called once per run through JSPTranslator - * This is intended for use by inner helper classes that need to add block markers to their own parsers. - * This method only adds markers that came from <@taglib> directives, (not <@include>), - * since include file taglibs are handled on the fly when they are encountered. - * * @param regions - */ - protected void handleTaglib() { - // get/create TLDCMDocument - TLDCMDocumentManager mgr = TaglibController.getTLDCMDocumentManager(fStructuredDocument); - if (mgr != null) { - List trackers = mgr.getCMDocumentTrackers(getCurrentNode().getEnd()); - Iterator it = trackers.iterator(); - CMDocumentTracker tracker = null; - Iterator taglibRegions = null; - IStructuredDocumentRegion sdRegion = null; - ITextRegion r = null; - while (it.hasNext()) { - tracker = (CMDocumentTracker) it.next(); - sdRegion = tracker.getStructuredDocumentRegion(); - taglibRegions = sdRegion.getRegions().iterator(); - while (taglibRegions.hasNext()) { - r = (ITextRegion) taglibRegions.next(); - if (r.getType().equals(XMLJSPRegionContexts.JSP_DIRECTIVE_NAME)) { - if (sdRegion.getText(r).equals("taglib")) { //$NON-NLS-1$ - addBlockMarkers(tracker.getDocument()); - } - } - } - } - } - } - - /* - * adds block markers to JSPTranslator's block marker list for all elements in doc - * @param doc - */ - protected void addBlockMarkers(CMDocument doc) { - if (doc.getElements().getLength() > 0) { - Iterator elements = doc.getElements().iterator(); - CMNode node = null; - while (elements.hasNext()) { - node = (CMNode) elements.next(); - getBlockMarkers().add(new BlockMarker(node.getNodeName(), null, XMLJSPRegionContexts.JSP_CONTENT, true)); - } - } - } - - /** - * If r is an attribute name region, this method will safely return the value for that attribute. - * @param r - * @param remainingRegions - * @return the value for the attribute name (r), or null if isn't one - */ - protected String getAttributeValue(ITextRegion r, Iterator remainingRegions) { - if (r.getType().equals(XMLRegionContext.XML_TAG_ATTRIBUTE_NAME)) { - if (remainingRegions.hasNext() && (r = (ITextRegion) remainingRegions.next()) != null && r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_EQUALS) { - if (remainingRegions.hasNext() && (r = (ITextRegion) remainingRegions.next()) != null && r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - // handle include for the filename - return StringUtils.stripQuotes(getCurrentNode().getText(r)); - } - } - } - return null; - } - - /** - * takes an emnumeration of the attributes of a directive tag - */ - protected void translatePageDirectiveAttributes(Iterator regions) { - ITextRegion r = null; - String attrName, attrValue; - // iterate all attributes - while (regions.hasNext() && (r = (ITextRegion) regions.next()) != null && r.getType() != XMLJSPRegionContexts.JSP_CLOSE) { - attrName = attrValue = null; - if (r.getType().equals(XMLRegionContext.XML_TAG_ATTRIBUTE_NAME)) { - - attrName = getCurrentNode().getText(r).trim(); - if(attrName.length() > 0) { - if (regions.hasNext() && (r = (ITextRegion) regions.next()) != null && r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_EQUALS) { - if (regions.hasNext() && (r = (ITextRegion) regions.next()) != null && r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - - attrValue = StringUtils.strip(getCurrentNode().getText(r)); - } - // has equals, but no value? - } - setDirectiveAttribute(attrName, attrValue); - } - } - } - } - - /** - * sets the appropriate page directive attribute - */ - protected void setDirectiveAttribute(String attrName, String attrValue) { - if (attrValue == null) - return; // uses default (if there was one) - if (attrName.equals("extends")) //$NON-NLS-1$ - { - fSuperclass = attrValue; - } - else if (attrName.equals("import")) //$NON-NLS-1$ - { - addImports(attrValue); - } - else if (attrName.equals("session")) //$NON-NLS-1$ - { - //fSession = ("true".equalsIgnoreCase(attrValue)); //$NON-NLS-1$ - } - else if (attrName.equals("buffer")) //$NON-NLS-1$ - { - // ignore for now - } - else if (attrName.equals("autoFlush")) //$NON-NLS-1$ - { - // ignore for now - } - else if (attrName.equals("isThreadSafe")) //$NON-NLS-1$ - { - //fThreadSafe = "true".equalsIgnoreCase(attrValue); //$NON-NLS-1$ - } - else if (attrName.equals("isErrorPage")) //$NON-NLS-1$ - { - fIsErrorPage = Boolean.valueOf(attrValue).booleanValue(); - } - } - - protected void handleIncludeFile(String filename) { - if (filename != null) { - String fileLocation = null; - if (getResolver() != null) { - fileLocation = (getIncludes().empty()) - ? getResolver().getLocationByURI(StringUtils.strip(filename)) - : getResolver().getLocationByURI(StringUtils.strip(filename), (String) getIncludes().peek()); - } - else { - // shouldn't happen - fileLocation = StringUtils.strip(filename); - } - // hopefully, a resolver is present and has returned a canonical file path - if (!getIncludes().contains(fileLocation) && getBaseLocation() != null && !fileLocation.equals(getBaseLocation())) { - getIncludes().push(fileLocation); - JSPIncludeRegionHelper helper = getIncludesHelper(fileLocation); - helper.parse(fileLocation); - helper.writeToBuffers(); - getIncludes().pop(); - } - } - } - - /* - * one helper per fileLocation - */ - protected JSPIncludeRegionHelper getIncludesHelper(String fileLocation) { - // lazy creation - if (fJSPIncludeHelperMap == null) { - fJSPIncludeHelperMap = new HashMap(); - } - JSPIncludeRegionHelper helper = (JSPIncludeRegionHelper) fJSPIncludeHelperMap.get(fileLocation); - if (helper == null) { - helper = new JSPIncludeRegionHelper(this); - fJSPIncludeHelperMap.put(fileLocation, helper); - } - return helper; - } - - private URIResolver getResolver() { - return (fStructuredModel != null) ? fStructuredModel.getResolver() : null; - } - - /** - * - * @return java.lang.String - */ - private String getBaseLocation() { - if (getResolver() == null) - return null; - return getResolver().getFileBaseLocation(); - } - - private Stack getIncludes() { - if (fIncludes == null) - fIncludes = new Stack(); - return fIncludes; - } - - protected void translateExpressionString(String newText, ITextRegionCollection embeddedContainer, int jspPositionStart, int jspPositionLength) { - appendToBuffer(EXPRESSION_PREFIX, fUserCode, false, embeddedContainer); - appendToBuffer(newText, fUserCode, true, embeddedContainer, jspPositionStart, jspPositionLength); - appendToBuffer(EXPRESSION_SUFFIX, fUserCode, false, embeddedContainer); - } - - protected void translateDeclarationString(String newText, ITextRegionCollection embeddedContainer, int jspPositionStart, int jspPositionLength) { - appendToBuffer(newText, fUserDeclarations, true, embeddedContainer, jspPositionStart, jspPositionLength); - appendToBuffer(ENDL, fUserDeclarations, false, embeddedContainer); - } - - /** - * used by XMLJSPRegionHelper for included JSP files - * - * @param newText - * @param embeddedContainer - * @param jspPositionStart - * @param jspPositionLength - */ - protected void translateScriptletString(String newText, ITextRegionCollection embeddedContainer, int jspPositionStart, int jspPositionLength) { - appendToBuffer(newText, fUserCode, true, embeddedContainer, jspPositionStart, jspPositionLength); - } - - // the following 3 methods determine the cursor position - // <%= %> - protected void translateExpression(ITextRegionCollection region) { - String newText = getUnescapedRegionText(region, EXPRESSION); - appendToBuffer(EXPRESSION_PREFIX, fUserCode, false, fCurrentNode); - appendToBuffer(newText, fUserCode, true, fCurrentNode); - appendToBuffer(EXPRESSION_SUFFIX, fUserCode, false, fCurrentNode); - } - - // - // <%! %> - protected void translateDeclaration(ITextRegionCollection region) { - String newText = getUnescapedRegionText(region, DECLARATION); - appendToBuffer(newText, fUserDeclarations, true, fCurrentNode); - appendToBuffer(ENDL, fUserDeclarations, false, fCurrentNode); - } - - // - // <% %> - protected void translateScriptlet(ITextRegionCollection region) { - String newText = getUnescapedRegionText(region, SCRIPTLET); - appendToBuffer(newText, fUserCode, true, fCurrentNode); - } - - /** - * Append using a region, probably indirect mapping (eg. <%@page include=""%>) - * @param newText - * @param buffer - * @param addToMap - * @param jspReferenceRegion - */ - private void appendToBuffer(String newText, StringBuffer buffer, boolean addToMap, ITextRegionCollection jspReferenceRegion) { - int start = 0, length = 0; - if(jspReferenceRegion != null) { - start = jspReferenceRegion.getStartOffset(); - length = jspReferenceRegion.getLength(); - } - appendToBuffer(newText, buffer, addToMap, jspReferenceRegion, start, length, false); - } - - private void appendToBuffer(String newText, StringBuffer buffer, boolean addToMap, ITextRegionCollection jspReferenceRegion, int jspPositionStart, int jspPositionLength) { - appendToBuffer(newText, buffer, addToMap, jspReferenceRegion, jspPositionStart, jspPositionLength, true); - } - - /** - * Adds newText to the buffer passed in, and adds to translation mapping as specified by the addToMap flag. - * some special cases to consider (that may be affected by changes to this method): - * included files - * scriplets in an attribute value - * refactoring - * - * @param newText - * @param buffer - * @param addToMap - */ - private void appendToBuffer(String newText, StringBuffer buffer, boolean addToMap, ITextRegionCollection jspReferenceRegion, int jspPositionStart, int jspPositionLength, boolean isIndirect) { - - // nothing to append - if (jspReferenceRegion == null) - return; - - // add a newline so translation looks cleaner - newText += ENDL; - - if (buffer == fUserCode) { - buffer.append(newText); - if (addToMap) { - if (isUsebeanTag(jspReferenceRegion)) { - try { - // requires special mapping - appendUseBeanToBuffer(newText, jspReferenceRegion, isIndirect); - } - catch (Exception e){ - // still working out kinks - Logger.logException(e); - } - } - else { - // all other cases - Position javaRange = new Position(fOffsetInUserCode, newText.length()); - Position jspRange = new Position(jspPositionStart, jspPositionLength); - - fCodeRanges.put(javaRange, jspRange); - if(isIndirect) - fIndirectRanges.put(javaRange, jspRange); - } - } - fOffsetInUserCode += newText.length(); - } - else if (buffer == fUserDeclarations) { - buffer.append(newText); - if (addToMap) { - Position javaRange = new Position(fOffsetInUserDeclarations, newText.length()); - Position jspRange = new Position(jspPositionStart, jspPositionLength); - - fDeclarationRanges.put(javaRange, jspRange); - if(isIndirect) - fIndirectRanges.put(javaRange, jspRange); - } - fOffsetInUserDeclarations += newText.length(); - } - else if (buffer == fUserImports) { - buffer.append(newText); - if (addToMap) { - appendImportToBuffer(jspReferenceRegion, isIndirect); - } - fOffsetInUserImports += newText.length(); - } - } - - /** - * @param jspReferenceRegion - * @return - */ - private boolean isUsebeanTag(ITextRegionCollection jspReferenceRegion) { - ITextRegionList regions = jspReferenceRegion.getRegions(); - ITextRegion r = null; - boolean isUseBean = false; - for (int i = 0; i < regions.size(); i++) { - r = regions.get(i); - if (r.getType() == XMLRegionContext.XML_TAG_NAME && jspReferenceRegion.getText(r).equals("jsp:useBean")) { //$NON-NLS-1$ - isUseBean = true; - break; - } - } - return isUseBean; - } - - /** - * @param newText - * @param jspReferenceRegion - */ - private void appendImportToBuffer(ITextRegionCollection jspReferenceRegion, boolean isIndirect) { - // these positions will be updated below - // 7 is length of "import " - Position javaRange = new Position(fOffsetInUserImports + 7, 1); - Position jspRange = new Position(jspReferenceRegion.getStart(), jspReferenceRegion.getLength()); - - // calculate JSP range by finding "import" attribute - ITextRegionList regions = jspReferenceRegion.getRegions(); - int size = regions.size(); - ITextRegion r = null; - for (int i = 0; i < size; i++) { - r = regions.get(i); - if(r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_NAME) - if(jspReferenceRegion.getText(r).trim().equals("import")) { //$NON-NLS-1$ - // get the attr value region - if(size > i+2) { - r = regions.get(i+2); - if(r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - // use the length of the value (minus the quotes) - // won't work for multiple - String importText = jspReferenceRegion.getText(r); - int quoteOffset = (importText.startsWith("\"") || importText.startsWith("'")) ? 1 : 0; //$NON-NLS-1$ //$NON-NLS-2$ - String strippedText = StringUtils.stripQuotesLeaveInsideSpace(importText); - jspRange = new Position(jspReferenceRegion.getStartOffset(r)+quoteOffset, strippedText.length()); - // set java range length - javaRange.setLength(strippedText.length()); - break; - } - } - } - } - - // put ranges in java -> jsp range map - fImportRanges.put(javaRange, jspRange); - if(isIndirect) - fIndirectRanges.put(javaRange, jspRange); - } - - /** - * temp fix for 282295 until better mapping is in place - * @param newText - * @param jspReferenceRegion - */ - private void appendUseBeanToBuffer(String newText, ITextRegionCollection jspReferenceRegion, boolean isIndirect) throws Exception { - // java string looks like this (tokenized) - // Type id = new Classname();\n - // 0 1 2 3 4 - // or - // Type id = null;\n // if there is no classname - // 0 1 2 3 - - //---------------------- - // calculate java ranges - //---------------------- - StringTokenizer st = new StringTokenizer(newText, " ", false); //$NON-NLS-1$ - int i = 0; - String[] parsedJava = new String[st.countTokens()]; - while (st.hasMoreTokens()) - parsedJava[i++] = st.nextToken(); - - String type = parsedJava[0] != null ? parsedJava[0] : ""; //$NON-NLS-1$ - String id = parsedJava[1] != null ? parsedJava[1] : ""; //$NON-NLS-1$ - String className = parsedJava.length > 4 ? parsedJava[4] : ""; //$NON-NLS-1$ - - Position javaTypeRange = new Position(fOffsetInUserCode, type.length()); - Position javaIdRange = new Position(fOffsetInUserCode + type.length() + 1, id.length()); - Position javaClassRange = new Position(fOffsetInUserCode + type.length() + 1 + id.length() + 7, 0); - if(className.length() >= 4) { - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=86132 - int classNameLength = className.substring(0,className.indexOf('(')).length(); - javaClassRange = new Position(fOffsetInUserCode + type.length() + 1 + id.length() + 7, classNameLength); - } - - //--------------------- - // calculate jsp ranges - //--------------------- - ITextRegionList regions = jspReferenceRegion.getRegions(); - ITextRegion r = null; - String attrName = "", attrValue = ""; //$NON-NLS-1$ //$NON-NLS-2$ - int quoteOffset = 0; - Position jspTypeRange = null; - Position jspIdRange = null; - Position jspClassRange = null; - - for (int j = 0; j < regions.size(); j++) { - r = regions.get(j); - if (r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_NAME) { - attrName = jspReferenceRegion.getText(r); - if (regions.size() >= j + 2 && regions.get(j + 2).getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - // get attr value - r = regions.get(j + 2); - attrValue = jspReferenceRegion.getText(r); - - // may have quotes - quoteOffset = (attrValue.startsWith("\"") || attrValue.startsWith("'")) ? 1 : 0; //$NON-NLS-1$ //$NON-NLS-2$ - - if (attrName.equals("type")) //$NON-NLS-1$ - jspTypeRange = new Position(jspReferenceRegion.getStartOffset(r) + quoteOffset, StringUtils.stripQuotesLeaveInsideSpace(attrValue).length()); - else if (attrName.equals("id")) //$NON-NLS-1$ - jspIdRange = new Position(jspReferenceRegion.getStartOffset(r) + quoteOffset, StringUtils.stripQuotesLeaveInsideSpace(attrValue).length()); - else if (attrName.equals("class")) //$NON-NLS-1$ - jspClassRange = new Position(jspReferenceRegion.getStartOffset(r) + quoteOffset, StringUtils.stripQuotesLeaveInsideSpace(attrValue).length()); - } - } - } - - // put ranges in java -> jsp range map - if (!type.equals("") && jspTypeRange != null) { //$NON-NLS-1$ - fCodeRanges.put(javaTypeRange, jspTypeRange); - // note: don't update offsets for this map when result is built - // they'll be updated when code ranges offsets are updated - fUseBeanRanges.put(javaTypeRange, jspTypeRange); - if(isIndirect) - fIndirectRanges.put(javaTypeRange, jspTypeRange); - } - if (!id.equals("") && jspIdRange != null) { //$NON-NLS-1$ - fCodeRanges.put(javaIdRange, jspIdRange); - // note: don't update offsets for this map when result is built - // they'll be updated when code ranges offsets are updated - fUseBeanRanges.put(javaIdRange, jspTypeRange); - if(isIndirect) - fIndirectRanges.put(javaIdRange, jspTypeRange); - } - if (!className.equals("") && jspClassRange != null) { //$NON-NLS-1$ - fCodeRanges.put(javaClassRange, jspClassRange); - // note: don't update offsets for this map when result is built - // they'll be updated when code ranges offsets are updated - fUseBeanRanges.put(javaClassRange, jspTypeRange); - if(isIndirect) - fIndirectRanges.put(javaClassRange, jspTypeRange); - } - } - - /** - * Set the buffer to the current JSPType: - * STANDARD_JSP, EMBEDDED_JSP, DECLARATION, EXPRESSION, SCRIPTLET - * (for keepting track of cursor position when the final document is built) - * @param JSPType the JSP type that the cursor is in - */ - protected void setCursorOwner(int JSPType) { - switch (JSPType) { - case DECLARATION : - setCursorOwner(fUserDeclarations); - break; - case EXPRESSION : - case SCRIPTLET : - setCursorOwner(fUserCode); - break; - default : - setCursorOwner(fUserCode); - } - } - - /** - * this piece of code iterates through fCurrentNodes - * and clumps them together in a big text string - * - unescaping characters if they are not CDATA - * - simply appending if they are CDATA - * it stops iteration when it hits a node that is an XML_TAG_NAME (which should be the region closing tag) - */ - protected String getUnescapedRegionText(ITextRegionCollection stRegion, int JSPType) { - StringBuffer buffer = new StringBuffer(); - int start = stRegion.getStartOffset(); - int end = stRegion.getEndOffset(); - // adjustment necessary for embedded region containers - if (stRegion instanceof ITextRegionContainer && stRegion.getType() == XMLRegionContext.BLOCK_TEXT) { - if (stRegion.getRegions() != null && stRegion.getRegions().size() > 1) { - ITextRegion jspContent = stRegion.getRegions().get(1); // should be jspContent region - start = stRegion.getStartOffset(jspContent); - end = stRegion.getEndOffset(jspContent); - } - } - int CDATAOffset = 0; // number of characters lost in conversion - int bufferSize = 0; - if (stRegion.getType() == XMLJSPRegionContexts.JSP_CONTENT || stRegion.getType() == XMLRegionContext.BLOCK_TEXT // need this for embedded JSP regions - || stRegion.getType() == XMLRegionContext.XML_TAG_NAME) // need this in case there's no region... - { - fInCodeRegion = (start <= fSourcePosition && fSourcePosition <= end); - if (fInCodeRegion) { - setCursorOwner(JSPType); - setRelativeOffset((fSourcePosition - start) + getCursorOwner().length()); - if (JSPType == EXPRESSION) { - // if an expression, add then length of the enclosing paren.. - setCursorInExpression(true); - setRelativeOffset(getRelativeOffset() + EXPRESSION_PREFIX.length()); - } - } - ITextRegion jspContent = null; - if (stRegion.getRegions() != null && stRegion.getRegions().size() > 1) - jspContent = stRegion.getRegions().get(1); - return (jspContent != null) ? stRegion.getFullText(jspContent) : stRegion.getFullText(); // don't unescape if it's not an XMLJSP tag - } - else if (stRegion.getType() == XMLJSPRegionContexts.JSP_CLOSE) { - // need to determine cursor owner so that the fCurosorPosition will be - // correct even if there is no region after the cursor in the JSP file - setCursorOwner(JSPType); - } - // iterate XMLCONTENT and CDATA regions - // loop fCurrentNode until you hit </jsp:scriptlet> (or other closing tag name) - while (getCurrentNode() != null && getCurrentNode().getType() != XMLRegionContext.XML_TAG_NAME) // need to stop on the ending tag name... - { - start = getCurrentNode().getStartOffset(); - end = getCurrentNode().getEndOffset(); - bufferSize = buffer.length(); - CDATAOffset = unescapeRegion(getCurrentNode(), buffer); - fInCodeRegion = (start <= fSourcePosition && fSourcePosition <= end); - if (fInCodeRegion) { - setCursorOwner(JSPType); - // this offset is sort of complicated... - // it's composed of: - // 1. the length of the start of the current region up till where the cursor is - // 2. minus the number of characters lost in CDATA translation - // 3. plus the length of the escaped buffer before the current region, but - // is still within the jsp tag - setRelativeOffset((fSourcePosition - getCurrentNode().getStartOffset()) + getCursorOwner().length() - CDATAOffset + bufferSize); - if (JSPType == EXPRESSION) { - setCursorInExpression(true); - // if an expression, add then length of the enclosing paren.. - setRelativeOffset(getRelativeOffset() + EXPRESSION_PREFIX.length()); - } - } - if (getCurrentNode() != null) - advanceNextNode(); - } - return buffer.toString(); - } - - /** - * @param r the region to be unescaped (XMLContent, XML ENTITY REFERENCE, or CDATA) - * @param sb the stringbuffer to append the text to - * @return the number of characters removed in unescaping this text - */ - protected int unescapeRegion(ITextRegion r, StringBuffer sb) { - String s = ""; //$NON-NLS-1$ - int lengthBefore = 0, lengthAfter = 0, cdata_tags_length = 0; - if (r != null && (r.getType() == XMLRegionContext.XML_CONTENT || r.getType() == XMLRegionContext.XML_ENTITY_REFERENCE)) { - lengthBefore = (getCurrentNode() != r) ? getCurrentNode().getFullText(r).length() : getCurrentNode().getFullText().length(); - s = EscapedTextUtil.getUnescapedText(getCurrentNode(), r); - lengthAfter = s.length(); - sb.append(s); - } - else if (r != null && r.getType() == XMLRegionContext.XML_CDATA_TEXT) { - if (r instanceof ITextRegionContainer) // only interested in contents - { - // navigate to next region container (which should be a JSP region) - Iterator it = ((ITextRegionContainer) r).getRegions().iterator(); - ITextRegion temp = null; - while (it.hasNext()) { - temp = (ITextRegion) it.next(); - if (temp instanceof ITextRegionContainer || temp.getType() == XMLRegionContext.XML_CDATA_TEXT) { - sb.append(getCurrentNode().getFullText(temp)); - } - else if (temp.getType() == XMLRegionContext.XML_CDATA_OPEN || temp.getType() == XMLRegionContext.XML_CDATA_CLOSE) { - cdata_tags_length += temp.getLength(); - } - } - } - } - return (lengthBefore - lengthAfter + cdata_tags_length); - } - - // - // <jsp:useBean> - protected void translateUseBean(ITextRegionCollection container) { - ITextRegion r = null; - String attrName = null; - String attrValue = null; - String id = null; - String type = null; - String className = null; - - Iterator regions = container.getRegions().iterator(); - while (regions.hasNext() && (r = (ITextRegion) regions.next()) != null && (r.getType() != XMLRegionContext.XML_TAG_CLOSE || r.getType() != XMLRegionContext.XML_EMPTY_TAG_CLOSE)) { - - attrName = attrValue = null; - if (r.getType().equals(XMLRegionContext.XML_TAG_ATTRIBUTE_NAME)) { - attrName = container.getText(r).trim(); - if (regions.hasNext() && (r = (ITextRegion) regions.next()) != null && r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_EQUALS) { - if (regions.hasNext() && (r = (ITextRegion) regions.next()) != null && r.getType() == XMLRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - attrValue = StringUtils.stripQuotes(container.getText(r)); - } - // has equals, but no value? - } - // an attribute with no equals? - } - // (pa) might need different logic here if we wanna support more - if (attrName != null && attrValue != null) { - if (attrName.equals("id")) //$NON-NLS-1$ - id = attrValue; - else if (attrName.equals("class")) //$NON-NLS-1$ - className = attrValue; - else if (attrName.equals("type")) //$NON-NLS-1$ - type = attrValue; - } - - } - // has id w/ type and/or classname - // Type id = new Classname(); - // or - // Type id = null; // if there is no classname - if (id != null && (type != null || className != null)) { - if (type == null) - type = className; - String prefix = type + " " + id + " = "; //$NON-NLS-1$ //$NON-NLS-2$ - String suffix = "null;\n"; //$NON-NLS-1$ - if (className != null) - suffix = "new " + className + "();\n"; //$NON-NLS-1$ //$NON-NLS-2$ - IStructuredDocumentRegion referenceRegion = fCurrentNode.getPrevious() != null ? fCurrentNode.getPrevious() : fCurrentNode; - appendToBuffer(prefix + suffix, fUserCode, true, referenceRegion); - } - } - - final public int getCursorPosition() { - return fCursorPosition; - } - - protected boolean isCursorInExpression() { - return fCursorInExpression; - } - - protected void setCursorInExpression(boolean in) { - fCursorInExpression = in; - } - - final public void setSourceCursor(int i) { - fSourcePosition = i; - } - - final public int getSourcePosition() { - return fSourcePosition; - } - - final public TLDCMDocumentManager getTLDCMDocumentManager() { - return TaglibController.getTLDCMDocumentManager(fStructuredDocument); - } - - final public void setRelativeOffset(int relativeOffset) { - this.fRelativeOffset = relativeOffset; - } - - final public int getRelativeOffset() { - return fRelativeOffset; - } - - private void setCursorOwner(StringBuffer cursorOwner) { - this.fCursorOwner = cursorOwner; - } - - final public StringBuffer getCursorOwner() { - return fCursorOwner; - } - - private IStructuredDocumentRegion setCurrentNode(IStructuredDocumentRegion currentNode) { - return this.fCurrentNode = currentNode; - } - - final public IStructuredDocumentRegion getCurrentNode() { - return fCurrentNode; - } -}
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