diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/contentmodel/tld/TLDCMDocumentManager.java')
| -rw-r--r-- | bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/contentmodel/tld/TLDCMDocumentManager.java | 1024 |
1 files changed, 0 insertions, 1024 deletions
diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/contentmodel/tld/TLDCMDocumentManager.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/contentmodel/tld/TLDCMDocumentManager.java deleted file mode 100644 index 39c745c3c4..0000000000 --- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/contentmodel/tld/TLDCMDocumentManager.java +++ /dev/null @@ -1,1024 +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.contentmodel.tld; - - - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -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.Hashtable; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.Stack; - -import org.eclipse.core.filebuffers.FileBuffers; -import org.eclipse.core.filebuffers.ITextFileBuffer; -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.Path; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.QualifiedName; -import org.eclipse.core.runtime.content.IContentDescription; -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.provisional.JSP11TLDNames; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.provisional.JSP12TLDNames; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.provisional.JSP20TLDNames; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.provisional.TLDDocument; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.provisional.TLDElementDeclaration; -import org.eclipse.jst.jsp.core.internal.parser.JSPSourceParser; -import org.eclipse.jst.jsp.core.internal.provisional.JSP12Namespace; -import org.eclipse.jst.jsp.core.internal.regions.DOMJSPRegionContexts; -import org.eclipse.jst.jsp.core.taglib.ITaglibIndexListener; -import org.eclipse.jst.jsp.core.taglib.ITaglibRecord; -import org.eclipse.jst.jsp.core.taglib.ITaglibRecordEvent; -import org.eclipse.jst.jsp.core.taglib.TaglibIndex; -import org.eclipse.wst.common.uriresolver.internal.provisional.URIResolverPlugin; -import org.eclipse.wst.common.uriresolver.internal.util.URIHelper; -import org.eclipse.wst.sse.core.internal.ltk.parser.BlockMarker; -import org.eclipse.wst.sse.core.internal.ltk.parser.StructuredDocumentRegionHandler; -import org.eclipse.wst.sse.core.internal.ltk.parser.StructuredDocumentRegionHandlerExtension; -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.ITextRegionList; -import org.eclipse.wst.sse.core.internal.util.Assert; -import org.eclipse.wst.sse.core.internal.util.Debug; -import org.eclipse.wst.sse.core.internal.util.StringUtils; -import org.eclipse.wst.xml.core.internal.contentmodel.CMDocument; -import org.eclipse.wst.xml.core.internal.contentmodel.CMNamedNodeMap; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; - -public class TLDCMDocumentManager implements ITaglibIndexListener { - - protected class DirectiveStructuredDocumentRegionHandler implements StructuredDocumentRegionHandler, StructuredDocumentRegionHandlerExtension { - - /** - * Adds a block tagname (fully namespace qualified) into the list of - * block tag names for the parser. The marker - * IStructuredDocumentRegion along with position cues during reparses - * allow the JSPSourceParser to enable/ignore the tags as blocks. - */ - protected void addBlockTag(String tagnameNS, IStructuredDocumentRegion marker) { - if (getParser() == null) - return; - if (getParser().getBlockMarker(tagnameNS) == null) { - getParser().addBlockMarker(new BlockMarker(tagnameNS, marker, DOMRegionContext.BLOCK_TEXT, true, false)); - if (_debug) { - System.out.println("TLDCMDocumentManager added block marker: " + tagnameNS + "@" + marker.getStartOffset()); //$NON-NLS-2$//$NON-NLS-1$ - } - } - } - - protected void addTaglibTracker(String prefix, String uri, IStructuredDocumentRegion anchorStructuredDocumentRegion, CMDocument tldCMDocument) { - getTaglibTrackers().add(new TaglibTracker(uri, prefix, tldCMDocument, anchorStructuredDocumentRegion)); - } - - /** - * Enables a TLD owning the given prefix loaded from the given URI at - * the anchorStructuredDocumentRegion. The list of - * additionalCMDocuments will claim to not know any of its tags at - * positions earlier than that IStructuredDocumentRegion's position. - * - * For taglib directives, the taglib is the anchor while taglibs - * registered through include directives use the parent document's - * include directive as their anchor. - * - * @param prefix - * @param uri - * @param anchorStructuredDocumentRegion - */ - protected void enableTaglibFromURI(String prefix, String uri, IStructuredDocumentRegion anchorStructuredDocumentRegion) { - if (prefix == null || uri == null || bannedPrefixes.contains(prefix)) - return; - // Try to load the CMDocument for this URI - CMDocument tld = getCMDocument(uri); - if (tld == null || !(tld instanceof TLDDocument)) { - if (_debug) { - System.out.println("TLDCMDocumentManager failed to create a CMDocument for " + uri); //$NON-NLS-1$ - } - return; - } - registerTaglib(prefix, uri, anchorStructuredDocumentRegion, tld); - if (_debug) { - System.out.println("TLDCMDocumentManager registered a tracker for " + uri + " with prefix " + prefix); //$NON-NLS-2$//$NON-NLS-1$ - } - } - - /** - * Enables a TLD owning the given prefix loaded from the given URI at - * the anchorStructuredDocumentRegion. The list of - * additionalCMDocuments will claim to not know any of its tags at - * positions earlier than that IStructuredDocumentRegion's position. - * - * For taglib directives, the taglib is the anchor while taglibs - * registered through include directives use the parent document's - * include directive as their anchor. - * - * @param prefix - * @param uri - * @param taglibStructuredDocumentRegion - */ - protected void enableTagsInDir(String prefix, String tagdir, IStructuredDocumentRegion taglibStructuredDocumentRegion) { - if (prefix == null || tagdir == null || bannedPrefixes.contains(prefix)) - return; - if (_debug) { - System.out.println("TLDCMDocumentManager enabling tags from directory" + tagdir + " for prefix " + prefix); //$NON-NLS-2$//$NON-NLS-1$ - } - // Try to load the CMDocument for this URI - CMDocument tld = getImplicitCMDocument(tagdir); - if (tld == null || !(tld instanceof TLDDocument)) { - if (_debug) { - System.out.println("TLDCMDocumentManager failed to create a CMDocument for director " + tagdir); //$NON-NLS-1$ - } - return; - } - registerTaglib(prefix, tagdir, taglibStructuredDocumentRegion, tld); - if (_debug) { - System.out.println("TLDCMDocumentManager registered a tracker for directory" + tagdir + " with prefix " + prefix); //$NON-NLS-2$//$NON-NLS-1$ - } - } - - public void nodeParsed(IStructuredDocumentRegion aCoreStructuredDocumentRegion) { - // could test > 1, but since we only care if there are 8 (<%@, - // taglib, uri, =, where, prefix, =, what) [or 4 for includes] - if (aCoreStructuredDocumentRegion.getNumberOfRegions() > 4 && aCoreStructuredDocumentRegion.getRegions().get(1).getType() == DOMJSPRegionContexts.JSP_DIRECTIVE_NAME) { - ITextRegion name = aCoreStructuredDocumentRegion.getRegions().get(1); - try { - if (getParser() == null) { - Logger.log(Logger.WARNING, "Warning: parser text was requested by " + getClass().getName() + " but none was available; taglib support disabled"); //$NON-NLS-1$ //$NON-NLS-2$ - } - else { - boolean taglibDetected = false; - boolean taglibDirectiveDetected = false; - boolean includeDetected = false; - boolean includeDirectiveDetected = false; - int startOffset = aCoreStructuredDocumentRegion.getStartOffset(name); - int textLength = name.getTextLength(); - - if (getParser() != null) { - taglibDetected = getParser().regionMatches(startOffset, textLength, JSP12TLDNames.TAGLIB); - taglibDirectiveDetected = getParser().regionMatches(startOffset, textLength, JSP12Namespace.ElementName.DIRECTIVE_TAGLIB); - includeDetected = getParser().regionMatches(startOffset, textLength, JSP12TLDNames.INCLUDE); - includeDirectiveDetected = getParser().regionMatches(startOffset, textLength, JSP12Namespace.ElementName.DIRECTIVE_INCLUDE); - } - else { - // old fashioned way - String directiveName = getParser().getText(startOffset, textLength); - taglibDetected = directiveName.equals(JSP12TLDNames.TAGLIB); - taglibDirectiveDetected = directiveName.equals(JSP12Namespace.ElementName.DIRECTIVE_TAGLIB); - includeDetected = directiveName.equals(JSP12TLDNames.INCLUDE); - includeDirectiveDetected = directiveName.equals(JSP12Namespace.ElementName.DIRECTIVE_INCLUDE); - } - if (taglibDetected || taglibDirectiveDetected) { - processTaglib(aCoreStructuredDocumentRegion); - } - else if (includeDetected || includeDirectiveDetected) { - processInclude(aCoreStructuredDocumentRegion); - } - } - } - catch (StringIndexOutOfBoundsException sioobExc) { - // do nothing - } - } - // could test > 1, but since we only care if there are 5 (<, - // jsp:root, xmlns:prefix, =, where) - else if (aCoreStructuredDocumentRegion.getNumberOfRegions() > 4 && aCoreStructuredDocumentRegion.getRegions().get(1).getType() == DOMJSPRegionContexts.JSP_ROOT_TAG_NAME) { - if (getParser() == null) { - Logger.log(Logger.WARNING, "Warning: parser text was requested by " + getClass().getName() + " but none was available; taglib support disabled"); //$NON-NLS-1$ //$NON-NLS-2$ - } - else { - processJSPRoot(aCoreStructuredDocumentRegion); - } - } - } - - protected void processInclude(IStructuredDocumentRegion aCoreStructuredDocumentRegion) { - processInclude(aCoreStructuredDocumentRegion, aCoreStructuredDocumentRegion, getParser()); - } - - /** - * Process an include directive found by the textSource parser and - * anchor any taglibs found within at the - * anchorStructuredDocumentRegion. Includes use the including file as - * the point of reference, not necessarily the "top" file. - */ - protected void processInclude(IStructuredDocumentRegion includeStructuredDocumentRegion, IStructuredDocumentRegion anchorStructuredDocumentRegion, JSPSourceParser textSource) { - ITextRegionList regions = includeStructuredDocumentRegion.getRegions(); - String includedFile = null; - boolean isFilename = false; - try { - for (int i = 0; i < regions.size(); i++) { - ITextRegion region = regions.get(i); - if (region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) { - if (textSource.getText(includeStructuredDocumentRegion.getStartOffset(region), region.getTextLength()).equals(JSP12TLDNames.FILE)) { - isFilename = true; - } - else { - isFilename = false; - } - } - else if (isFilename && region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - includedFile = textSource.getText(includeStructuredDocumentRegion.getStartOffset(region), region.getTextLength()); - isFilename = false; - } - } - } - catch (StringIndexOutOfBoundsException sioobExc) { - // nothing to be done - includedFile = null; - } - if (includedFile != null) { - IPath root = TaglibIndex.getContextRoot(TaglibController.getFileBuffer(TLDCMDocumentManager.this).getLocation()); - // strip any extraneous quotes and white space - includedFile = StringUtils.strip(includedFile).trim(); - IPath fileLocation = null; - if (includedFile.startsWith("/")) { //$NON-NLS-1$ - fileLocation = root.append(includedFile); - } - else { - fileLocation = new Path(URIHelper.normalize(includedFile, TaglibController.getFileBuffer(TLDCMDocumentManager.this).getLocation().toString(), root.toString())); - } - // check for "loops" - if (!getIncludes().contains(fileLocation) && fileLocation != null && !fileLocation.equals(TaglibController.getFileBuffer(TLDCMDocumentManager.this).getLocation())) { - /* - * Prevent slow performance when editing scriptlet part of - * the JSP by only processing includes if they've been - * modified. The IncludeHelper remembers any CMDocuments - * created from the files it parses. Caching the URI and - * prefix/tagdir allows us to just enable the CMDocument - * when the previously parsed files. - */ - if (hasAnyIncludeBeenModified(fileLocation.toString())) { - getIncludes().push(fileLocation); - if (getParser() != null) { - IncludeHelper includeHelper = new IncludeHelper(anchorStructuredDocumentRegion, getParser()); - includeHelper.parse(FileBuffers.normalizeLocation(fileLocation).toString()); - List references = includeHelper.taglibReferences; - fTLDCMReferencesMap.put(fileLocation.toString(), references); - } - else - Logger.log(Logger.WARNING, "Warning: parser text was requested by " + getClass().getName() + " but none was available; taglib support disabled"); //$NON-NLS-1$ //$NON-NLS-2$ - getIncludes().pop(); - } - else { - // Add from that saved list of uris/prefixes/documents - List references = (List) fTLDCMReferencesMap.get(fileLocation.toString()); - for (int i = 0; references != null && i < references.size(); i++) { - TLDCMDocumentReference reference = (TLDCMDocumentReference) references.get(i); - enableTaglibFromURI(reference.prefix, reference.uri, includeStructuredDocumentRegion); - - } - } - } - else { - if (Debug.debugTokenizer) - System.out.println("LOOP IN @INCLUDES FOUND: " + fileLocation); //$NON-NLS-1$ - } - } - } - - // Pulls the URI and prefix from the given jsp:root - // IStructuredDocumentRegion and - // makes sure the tags are known. - protected void processJSPRoot(IStructuredDocumentRegion jspRootStructuredDocumentRegion) { - processJSPRoot(jspRootStructuredDocumentRegion, jspRootStructuredDocumentRegion, getParser()); - } - - protected void processJSPRoot(IStructuredDocumentRegion taglibStructuredDocumentRegion, IStructuredDocumentRegion anchorStructuredDocumentRegion, JSPSourceParser textSource) { - ITextRegionList regions = taglibStructuredDocumentRegion.getRegions(); - String uri = null; - String prefix = null; - boolean taglib = false; - try { - for (int i = 0; i < regions.size(); i++) { - ITextRegion region = regions.get(i); - if (region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) { - String name = textSource.getText(taglibStructuredDocumentRegion.getStartOffset(region), region.getTextLength()); - if (name.startsWith(XMLNS)) { //$NON-NLS-1$ - prefix = name.substring(XMLNS_LENGTH); - if (!bannedPrefixes.contains(prefix)) - taglib = true; - } - else { - prefix = null; - taglib = false; - } - } - else if (taglib && region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - uri = textSource.getText(taglibStructuredDocumentRegion.getStartOffset(region), region.getTextLength()); - if (uri != null && prefix != null && (StringUtils.strip(uri).length() > 0) && (StringUtils.strip(prefix).length() > 0)) { - if (anchorStructuredDocumentRegion == null) - enableTaglibFromURI(StringUtils.strip(prefix), StringUtils.strip(uri), taglibStructuredDocumentRegion); - else - enableTaglibFromURI(StringUtils.strip(prefix), StringUtils.strip(uri), anchorStructuredDocumentRegion); - uri = null; - prefix = null; - } - } - } - } - catch (StringIndexOutOfBoundsException sioobExc) { - // nothing to be done - uri = null; - prefix = null; - } - } - - protected void processTaglib(IStructuredDocumentRegion taglibStructuredDocumentRegion) { - processTaglib(taglibStructuredDocumentRegion, taglibStructuredDocumentRegion, getParser()); - } - - /** - * Pulls the URI and prefix from the given taglib directive - * IStructuredDocumentRegion and makes sure the tags are known. - */ - protected void processTaglib(IStructuredDocumentRegion taglibStructuredDocumentRegion, IStructuredDocumentRegion anchorStructuredDocumentRegion, JSPSourceParser textSource) { - ITextRegionList regions = taglibStructuredDocumentRegion.getRegions(); - String uri = null; - String prefix = null; - String tagdir = null; - String attrName = null; - try { - for (int i = 0; i < regions.size(); i++) { - ITextRegion region = regions.get(i); - // remember attribute name - int startOffset = taglibStructuredDocumentRegion.getStartOffset(region); - int textLength = region.getTextLength(); - if (region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) { - // String name = textSource.getText(startOffset, - // textLength); - if (textSource.regionMatches(startOffset, textLength, JSP11TLDNames.PREFIX)) { - attrName = JSP11TLDNames.PREFIX; - } - else if (textSource.regionMatches(startOffset, textLength, JSP12TLDNames.URI)) { - attrName = JSP11TLDNames.URI; - } - else if (textSource.regionMatches(startOffset, textLength, JSP20TLDNames.TAGDIR)) { - attrName = JSP20TLDNames.TAGDIR; - } - else { - attrName = null; - } - } - // process value - else if (region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - if (JSP11TLDNames.PREFIX.equals(attrName)) - prefix = textSource.getText(startOffset, textLength); - else if (JSP11TLDNames.URI.equals(attrName)) - uri = textSource.getText(startOffset, textLength); - else if (JSP20TLDNames.TAGDIR.equals(attrName)) - tagdir = textSource.getText(startOffset, textLength); - } - } - } - catch (StringIndexOutOfBoundsException sioobExc) { - // nothing to be done - uri = null; - prefix = null; - } - if (uri != null && prefix != null && (StringUtils.strip(uri).length() > 0) && (StringUtils.strip(prefix).length() > 0)) { - if (anchorStructuredDocumentRegion == null) - enableTaglibFromURI(StringUtils.strip(prefix), StringUtils.strip(uri), taglibStructuredDocumentRegion); - else - enableTaglibFromURI(StringUtils.strip(prefix), StringUtils.strip(uri), anchorStructuredDocumentRegion); - } - else if (tagdir != null && prefix != null && (StringUtils.strip(tagdir).length() > 0) && (StringUtils.strip(prefix).length() > 0)) { - if (anchorStructuredDocumentRegion == null) - enableTagsInDir(StringUtils.strip(prefix), StringUtils.strip(tagdir), taglibStructuredDocumentRegion); - else - enableTagsInDir(StringUtils.strip(prefix), StringUtils.strip(tagdir), anchorStructuredDocumentRegion); - } - } - - private void registerTaglib(String prefix, String uri, IStructuredDocumentRegion anchorStructuredDocumentRegion, CMDocument tld) { - CMNamedNodeMap elements = tld.getElements(); - /* - * Go through the CMDocument for any tags that must be marked as - * block tags starting at the anchoring IStructuredDocumentRegion. - * As the document is edited and the IStructuredDocumentRegion - * moved around, the block tag enablement will automatically - * follow it. - */ - for (int i = 0; i < elements.getLength(); i++) { - TLDElementDeclaration ed = (TLDElementDeclaration) elements.item(i); - if (ed.getBodycontent() == JSP12TLDNames.CONTENT_TAGDEPENDENT) - addBlockTag(prefix + ":" + ed.getNodeName(), anchorStructuredDocumentRegion); //$NON-NLS-1$ - } - /* - * Since modifications to StructuredDocumentRegions adjacent to a - * taglib directive can cause that IStructuredDocumentRegion to be - * reported, filter out any duplicated URIs. When the taglib is - * actually modified, a full rebuild will occur and no duplicates - * will/should be found. - */ - boolean doTrack = true; - List trackers = getTaglibTrackers(); - for (int i = 0; i < trackers.size(); i++) { - TaglibTracker tracker = (TaglibTracker) trackers.get(i); - if (tracker.getPrefix().equals(prefix) && tracker.getURI().equals(uri)) { - doTrack = false; - } - } - if (doTrack) { - addTaglibTracker(prefix, uri, anchorStructuredDocumentRegion, tld); - } - } - - private void resetBlockTags() { - if (getParser() == null) - return; - Iterator names = getParser().getBlockMarkers().iterator(); - while (names.hasNext()) { - BlockMarker marker = (BlockMarker) names.next(); - if (!marker.isGlobal() && marker.getContext() == DOMRegionContext.BLOCK_TEXT) { - if (_debug) { - System.out.println("TLDCMDocumentManager removing block tag named: " + marker.getTagName()); //$NON-NLS-1$ - } - names.remove(); - } - } - } - - public void resetNodes() { - if (Debug.debugTaglibs) - System.out.println(getClass().getName() + ": resetting"); //$NON-NLS-1$ - getIncludes().clear(); - resetBlockTags(); - resetTaglibTrackers(); - } - - public void setStructuredDocument(IStructuredDocument newDocument) { - Assert.isTrue(newDocument != null, "null document"); //$NON-NLS-1$ - Assert.isTrue(newDocument.getParser() != null, "null document parser"); //$NON-NLS-1$ - Assert.isTrue(newDocument.getParser() instanceof JSPSourceParser, "can only listen to document with a JSPSourceParser"); //$NON-NLS-1$ - getSourceParser().removeStructuredDocumentRegionHandler(this); - setSourceParser((JSPSourceParser) newDocument.getParser()); - getSourceParser().addStructuredDocumentRegionHandler(this); - } - } - - protected class IncludeHelper extends DirectiveStructuredDocumentRegionHandler { - protected IStructuredDocumentRegion fAnchor = null; - protected JSPSourceParser fLocalParser = null; - protected JSPSourceParser fParentParser = null; - List taglibReferences = null; - - public IncludeHelper(IStructuredDocumentRegion anchor, JSPSourceParser rootParser) { - super(); - fAnchor = anchor; - fParentParser = rootParser; - taglibReferences = new ArrayList(0); - } - - protected void addTaglibTracker(String prefix, String uri, IStructuredDocumentRegion anchorStructuredDocumentRegion, CMDocument tldCMDocument) { - super.addTaglibTracker(prefix, uri, anchorStructuredDocumentRegion, tldCMDocument); - TLDCMDocumentReference reference = new TLDCMDocumentReference(); - reference.prefix = prefix; - reference.uri = uri; - taglibReferences.add(reference); - } - - private String detectCharset(IFile file) { - if (file.getType() == IResource.FILE && file.isAccessible()) { - IContentDescription d = null; - try { - // optimized description lookup, might not succeed - d = file.getContentDescription(); - if (d != null) - return d.getCharset(); - } - catch (CoreException e) { - // should not be possible given the accessible and file - // type - // check above - } - InputStream contents = null; - try { - contents = file.getContents(); - IContentDescription description = Platform.getContentTypeManager().getDescriptionFor(contents, file.getName(), new QualifiedName[]{IContentDescription.CHARSET}); - if (description != null) { - return description.getCharset(); - } - } - catch (IOException e) { - // will try to cleanup in finally - } - catch (CoreException e) { - Logger.logException(e); - } - finally { - if (contents != null) { - try { - contents.close(); - } - catch (Exception e) { - // not sure how to recover at this point - } - } - } - } - return ResourcesPlugin.getEncoding(); - } - - protected String getContents(String fileName) { - StringBuffer s = new StringBuffer(); - IFile iFile = FileBuffers.getWorkspaceFileAtLocation(new Path(fileName)); - if (iFile != null && iFile.exists()) { - String charset = detectCharset(iFile); - InputStream contents = null; - try { - contents = iFile.getContents(); - Reader reader = new InputStreamReader(contents, charset); - char[] readBuffer = new char[2048]; - int n = reader.read(readBuffer); - while (n > 0) { - s.append(readBuffer, 0, n); - n = reader.read(readBuffer); - } - } - catch (Exception e) { - if (Debug.debugStructuredDocument) - Logger.log(Logger.WARNING, "An exception occured while scanning " + fileName, e); //$NON-NLS-1$ - } - finally { - try { - if (contents != null) { - contents.close(); - } - } - catch (Exception e) { - // nothing to do - } - } - } - else { - int c = 0; - int length = 0; - int count = 0; - File file = null; - FileInputStream fis = null; - try { - file = new File(fileName); - length = (int) file.length(); - fis = new FileInputStream(file); - while (((c = fis.read()) >= 0) && (count < length)) { - count++; - s.append((char) c); - } - } - catch (FileNotFoundException e) { - if (Debug.debugStructuredDocument) - System.out.println("File not found : \"" + fileName + "\""); //$NON-NLS-2$//$NON-NLS-1$ - } - catch (ArrayIndexOutOfBoundsException e) { - if (Debug.debugStructuredDocument) - System.out.println("Usage wrong: specify inputfile"); //$NON-NLS-1$ - //$NON-NLS-1$ - } - catch (IOException e) { - if (Debug.debugStructuredDocument) - System.out.println("An I/O error occured while scanning :"); //$NON-NLS-1$ - //$NON-NLS-1$ - } - catch (Exception e) { - if (Debug.debugStructuredDocument) - e.printStackTrace(); - } - finally { - try { - if (fis != null) { - fis.close(); - } - } - catch (Exception e) { - // nothing to do - } - } - } - return s.toString(); - } - - public void nodeParsed(IStructuredDocumentRegion aCoreStructuredDocumentRegion) { - // could test > 1, but since we only care if there are 8 (<%@, - // taglib, uri, =, where, prefix, =, what) - if (aCoreStructuredDocumentRegion.getNumberOfRegions() > 1 && aCoreStructuredDocumentRegion.getRegions().get(1).getType() == DOMJSPRegionContexts.JSP_DIRECTIVE_NAME) { - ITextRegion name = aCoreStructuredDocumentRegion.getRegions().get(1); - try { - String directiveName = fLocalParser.getText(aCoreStructuredDocumentRegion.getStartOffset(name), name.getTextLength()); - if (directiveName.equals(JSP12TLDNames.TAGLIB) || directiveName.equals(JSP12Namespace.ElementName.DIRECTIVE_TAGLIB)) { - processTaglib(aCoreStructuredDocumentRegion, fAnchor, fLocalParser); - } - if (directiveName.equals(JSP12TLDNames.INCLUDE) || directiveName.equals(JSP12Namespace.ElementName.DIRECTIVE_INCLUDE)) { - processInclude(aCoreStructuredDocumentRegion, fAnchor, fLocalParser); - } - } - catch (StringIndexOutOfBoundsException sioobExc) { - // do nothing - } - } - // could test > 1, but since we only care if there are 5 (<, - // jsp:root, xmlns:prefix, =, where) - else if (aCoreStructuredDocumentRegion.getNumberOfRegions() > 4 && aCoreStructuredDocumentRegion.getRegions().get(1).getType() == DOMJSPRegionContexts.JSP_ROOT_TAG_NAME) { - processJSPRoot(aCoreStructuredDocumentRegion, fAnchor, fLocalParser); - } - } - - public void parse(String filename) { - JSPSourceParser p = new JSPSourceParser(); - fLocalParser = p; - List blockTags = fParentParser.getBlockMarkers(); - String includedFilename = filename; - File baseFile = FileBuffers.getSystemFileAtLocation(new Path(includedFilename)); - try { - if (baseFile != null) - includedFilename = baseFile.getCanonicalPath(); - } - catch (IOException e) { - } - String s = getContents(includedFilename); - fLocalParser.addStructuredDocumentRegionHandler(this); - fLocalParser.reset(s); - for (int i = 0; i < blockTags.size(); i++) { - BlockMarker marker = (BlockMarker) blockTags.get(i); - fLocalParser.addBlockMarker(new BlockMarker(marker.getTagName(), null, marker.getContext(), marker.isCaseSensitive())); - } - // force parse - fLocalParser.getDocumentRegions(); - fLocalParser = null; - } - - public void resetNodes() { - // no-op, should never be called - } - } - - private class TLDCMDocumentReference { - String prefix; - String uri; - } - - static final boolean _debug = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.jst.jsp.core/debug/tldcmdocument/manager")); //$NON-NLS-1$ //$NON-NLS-2$ - - // will hold the prefixes banned by the specification; taglibs may not use - // them - protected static List bannedPrefixes = null; - - static final String XMLNS = "xmlns:"; //$NON-NLS-1$ - static final int XMLNS_LENGTH = XMLNS.length(); - static { - bannedPrefixes = new ArrayList(7); - bannedPrefixes.add("jsp"); //$NON-NLS-1$ - bannedPrefixes.add("jspx"); //$NON-NLS-1$ - bannedPrefixes.add("java"); //$NON-NLS-1$ - bannedPrefixes.add("javax"); //$NON-NLS-1$ - bannedPrefixes.add("servlet"); //$NON-NLS-1$ - bannedPrefixes.add("sun"); //$NON-NLS-1$ - bannedPrefixes.add("sunw"); //$NON-NLS-1$ - } - - private CMDocumentFactoryTLD fCMDocumentBuilder = null; - - private DirectiveStructuredDocumentRegionHandler fDirectiveHandler = null; - private Hashtable fDocuments = null; - // timestamp cache to prevent excessive reparsing - // of included files - // String (filepath) > Long (modification stamp) - HashMap fInclude2TimestampMap = new HashMap(); - private Stack fIncludes = null; - - private JSPSourceParser fParser = null; - - // trivial hand edit to remove unused variable private URIResolverProvider - // fResolverProvider = null; - - private List fTaglibTrackers = null; - - Map fTLDCMReferencesMap = new HashMap(); - - public TLDCMDocumentManager() { - super(); - } - - public void clearCache() { - if (_debug) { - System.out.println("TLDCMDocumentManager cleared its CMDocument cache"); //$NON-NLS-1$ - } - getDocuments().clear(); - } - - /** - * Return the CMDocument at the uri (cached) - */ - protected CMDocument getCMDocument(String uri) { - if (uri == null || uri.length() == 0) - return null; - String reference = uri; - /** - * JSP 1.2 Specification, section 5.2.2 jsp-1_2-fcs-spec.pdf, page 87 - */ - String URNprefix = "urn:jsptld:"; //$NON-NLS-1$ - if (reference.startsWith(URNprefix)) { - /** - * @see section 7.3.2 - */ - if (reference.length() > URNprefix.length()) - reference = reference.substring(11); - } - else { - /** - * @see section 7.3.6 - */ - } - CMDocument doc = (CMDocument) getDocuments().get(reference); - if (doc == null) { - doc = loadTaglib(reference); - if (doc != null) - getDocuments().put(reference, doc); - } - return doc; - } - - /** - * Gets the cMDocumentBuilder. - * - * @return Returns a CMDocumentFactoryTLD, since it has more builder - * methods - */ - protected CMDocumentFactoryTLD getCMDocumentBuilder() { - if (fCMDocumentBuilder == null) - fCMDocumentBuilder = new CMDocumentFactoryTLD(); - return fCMDocumentBuilder; - } - - public List getCMDocumentTrackers(int offset) { - List validDocs = new ArrayList(); - Iterator alldocs = getTaglibTrackers().iterator(); - while (alldocs.hasNext()) { - TaglibTracker aTracker = (TaglibTracker) alldocs.next(); - if (aTracker.getStructuredDocumentRegion().getStartOffset() < offset || offset < 0) { - validDocs.add(aTracker); - } - } - return validDocs; - } - - public List getCMDocumentTrackers(String prefix, int offset) { - List validDocs = new ArrayList(); - Iterator alldocs = getTaglibTrackers().iterator(); - while (alldocs.hasNext()) { - TaglibTracker aTracker = (TaglibTracker) alldocs.next(); - if ((aTracker.getStructuredDocumentRegion().getStartOffset() < offset || offset < 0) && aTracker.getPrefix().equals(prefix)) { - validDocs.add(aTracker); - } - } - return validDocs; - } - - /** - * - * @return java.lang.String - */ - IPath getCurrentBaseLocation() { - IPath baseLocation = null; - IPath path = TaglibController.getFileBuffer(this).getLocation(); - if (path.toFile().exists()) - baseLocation = path; - else - baseLocation = ResourcesPlugin.getWorkspace().getRoot().getFile(path).getLocation(); - - if (baseLocation == null) { - baseLocation = path; - } - return baseLocation; - } - - protected DirectiveStructuredDocumentRegionHandler getDirectiveStructuredDocumentRegionHandler() { - if (fDirectiveHandler == null) - fDirectiveHandler = new DirectiveStructuredDocumentRegionHandler(); - return fDirectiveHandler; - } - - /** - * Gets the documents. - * - * @return Returns a Hashtable - */ - public Hashtable getDocuments() { - if (fDocuments == null) - fDocuments = new Hashtable(); - return fDocuments; - } - - /** - * Return the CMDocument at the tagdir (cached) - */ - protected CMDocument getImplicitCMDocument(String tagdir) { - if (tagdir == null || tagdir.length() == 0) - return null; - String reference = tagdir; - /** - * JSP 1.2 Specification, section 5.2.2 jsp-1_2-fcs-spec.pdf, page 87 - */ - String URNprefix = "urn:jsptld:"; //$NON-NLS-1$ - if (reference.startsWith(URNprefix)) { - /** - * @see section 7.3.2 - */ - if (reference.length() > URNprefix.length()) - reference = reference.substring(11); - } - else { - /** - * @see section 7.3.6 - */ - } - CMDocument doc = (CMDocument) getDocuments().get(reference); - if (doc == null) { - doc = loadTagDir(reference); - if (doc != null) - getDocuments().put(reference, doc); - } - return doc; - } - - /** - * Gets the includes. - * - * @return Returns a Stack - */ - protected Stack getIncludes() { - if (fIncludes == null) - fIncludes = new Stack(); - return fIncludes; - } - - JSPSourceParser getParser() { - return fParser; - } - - public JSPSourceParser getSourceParser() { - return fParser; - } - - public StructuredDocumentRegionHandler getStructuredDocumentRegionHandler() { - return getDirectiveStructuredDocumentRegionHandler(); - } - - /** - * - * @return java.util.List - */ - public List getTaglibTrackers() { - if (fTaglibTrackers == null) - fTaglibTrackers = new ArrayList(); - return fTaglibTrackers; - } - - /** - * @param fileLocation - * the "root" file - */ - boolean hasAnyIncludeBeenModified(String fileLocation) { - - boolean result = false; - // check the top level - if (hasBeenModified(fileLocation)) { - result = true; - } - else { - // check all includees - Iterator iter = fInclude2TimestampMap.keySet().iterator(); - while (iter.hasNext()) { - if (hasBeenModified((String) iter.next())) { - result = true; - break; - } - } - } - return result; - } - - /** - * @param filename - * @return - */ - boolean hasBeenModified(String filename) { - - boolean result = false; - // quick filename/timestamp cache check here... - IPath filePath = new Path(filename); - IFile f = ResourcesPlugin.getWorkspace().getRoot().getFileForLocation(filePath); - if (f == null && filePath.segmentCount() > 1) { - f = ResourcesPlugin.getWorkspace().getRoot().getFile(filePath); - } - if (f != null && f.exists()) { - Long currentStamp = new Long(f.getModificationStamp()); - Object o = fInclude2TimestampMap.get(filename); - if (o != null) { - Long previousStamp = (Long) o; - // stamps don't match, file changed - if (currentStamp.longValue() != previousStamp.longValue()) { - result = true; - // store for next time - fInclude2TimestampMap.put(filename, currentStamp); - } - } - else { - // return true, since we've not encountered this file yet. - result = true; - // store for next time - fInclude2TimestampMap.put(filename, currentStamp); - } - } - return result; - } - - public void indexChanged(ITaglibRecordEvent event) { - } - - /** - * Loads the tags from the specified URI. It must point to a URL of valid - * tag files to work. - */ - protected CMDocument loadTagDir(String uri) { - ITaglibRecord reference = TaglibIndex.resolve(getCurrentBaseLocation().toString(), uri, false); - if (reference != null) { - CMDocument document = getCMDocumentBuilder().createCMDocument(reference); - if (document != null) { - return document; - } - } - // JSP2_TODO: implement for JSP 2.0 - String location = URIResolverPlugin.createResolver().resolve(getCurrentBaseLocation().toString(), null, uri); - if (location == null) - return null; - if (_debug) { - System.out.println("Loading tags from dir" + uri + " at " + location); //$NON-NLS-2$//$NON-NLS-1$ - } - return getCMDocumentBuilder().createCMDocument(location); - } - - /** - * Loads the taglib from the specified URI. It must point to a valid - * taglib descriptor or valid JAR file to work. - */ - protected CMDocument loadTaglib(String uri) { - CMDocument document = null; - ITextFileBuffer fileBuffer = TaglibController.getFileBuffer(this); - if (fileBuffer != null) { - ITaglibRecord reference = TaglibIndex.resolve(fileBuffer.getLocation().toString(), uri, false); - if (reference != null) { - document = getCMDocumentBuilder().createCMDocument(reference); - } - else { - IPath currentBaseLocation = getCurrentBaseLocation(); - if (currentBaseLocation != null) { - String location = URIResolverPlugin.createResolver().resolve(currentBaseLocation.toString(), null, uri); - if (location != null) { - if (_debug) { - System.out.println("Loading tags from " + uri + " at " + location); //$NON-NLS-2$//$NON-NLS-1$ - } - document = getCMDocumentBuilder().createCMDocument(location); - } - } - } - } - return document; - } - - protected void resetTaglibTrackers() { - if (_debug) { - System.out.println("TLDCMDocumentManager cleared its taglib trackers\n"); //$NON-NLS-1$ - } - getTaglibTrackers().clear(); - } - - public void setSourceParser(JSPSourceParser parser) { - if (fParser != null) - fParser.removeStructuredDocumentRegionHandler(getStructuredDocumentRegionHandler()); - fParser = parser; - if (fParser != null) - fParser.addStructuredDocumentRegionHandler(getStructuredDocumentRegionHandler()); - } -}
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