| /******************************************************************************* |
| * Copyright (c) 2001, 2006 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.core.internal.text.rules; |
| |
| import java.util.Locale; |
| |
| import org.eclipse.jface.text.IDocumentPartitioner; |
| import org.eclipse.wst.sse.core.internal.parser.ForeignRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredTextPartitioner; |
| import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; |
| import org.eclipse.wst.sse.core.internal.text.rules.StructuredTextPartitioner; |
| import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; |
| import org.eclipse.wst.xml.core.text.IXMLPartitions; |
| |
| public class StructuredTextPartitionerForXML extends StructuredTextPartitioner implements IStructuredTextPartitioner { |
| |
| private final static String[] configuredContentTypes = new String[]{IXMLPartitions.XML_DEFAULT, IXMLPartitions.XML_CDATA, IXMLPartitions.XML_PI, IXMLPartitions.XML_DECLARATION, IXMLPartitions.XML_COMMENT, IXMLPartitions.DTD_SUBSET}; |
| |
| public StructuredTextPartitionerForXML() { |
| super(); |
| } |
| |
| protected void setInternalPartition(int offset, int length, String type) { |
| super.setInternalPartition(offset, length, type); |
| } |
| |
| protected void initLegalContentTypes() { |
| fSupportedTypes = configuredContentTypes; |
| } |
| |
| public String getPartitionType(ITextRegion region, int offset) { |
| String result = null; |
| if (region.getType() == DOMRegionContext.XML_COMMENT_TEXT) |
| result = IXMLPartitions.XML_COMMENT; |
| else if (region.getType() == DOMRegionContext.XML_CDATA_TEXT) |
| result = IXMLPartitions.XML_CDATA; |
| else if (region.getType() == DOMRegionContext.XML_PI_CONTENT) { |
| /** |
| * Grammatically, it's impossible to get a PI_CONTENT region |
| * without a preceding XML_TAG_NAME region. Relying on this, |
| * extract the target processor name and create a partition type |
| * dynamically. |
| */ |
| IStructuredDocumentRegion docRegion = fStructuredDocument.getRegionAtCharacterOffset(offset); |
| ITextRegion name = docRegion.getRegionAtCharacterOffset(docRegion.getStartOffset() + region.getStart() - 1); |
| result = IXMLPartitions.PROCESSING_INSTRUCTION_PREFIX + docRegion.getText(name).toUpperCase(Locale.ENGLISH); |
| } |
| else if (region.getType() == DOMRegionContext.XML_PI_OPEN) |
| result = IXMLPartitions.XML_PI; |
| else if (region.getType() == DOMRegionContext.XML_DOCTYPE_DECLARATION) |
| result = IXMLPartitions.XML_DECLARATION; |
| else if (region.getType() == DOMRegionContext.XML_DOCTYPE_INTERNAL_SUBSET) |
| result = IXMLPartitions.DTD_SUBSET; |
| else |
| result = super.getPartitionType(region, offset); |
| return result; |
| } |
| |
| protected String getPartitionType(ForeignRegion region, int offset) { |
| // temp added just to dis-ambiguate call from subclass |
| return super.getPartitionType(region, offset); |
| } |
| |
| public String getPartitionTypeBetween(IStructuredDocumentRegion previousNode, IStructuredDocumentRegion nextNode) { |
| return super.getPartitionTypeBetween(previousNode, nextNode); |
| } |
| |
| public String getDefaultPartitionType() { |
| return IXMLPartitions.XML_DEFAULT; |
| } |
| |
| public IDocumentPartitioner newInstance() { |
| StructuredTextPartitionerForXML instance = new StructuredTextPartitionerForXML(); |
| return instance; |
| } |
| |
| /** |
| * @return |
| */ |
| public static String[] getConfiguredContentTypes() { |
| return configuredContentTypes; |
| } |
| |
| protected String getPartitionFromBlockedText(ITextRegion region, int offset, String result) { |
| // was moved to subclass for quick transition |
| String newResult = result; |
| // nsd_TODO: David and I need to discuss, design, and implement this |
| // for all block tags and comments |
| // and make sure is part of "extensible" design of block tags |
| if (region.getType() == DOMRegionContext.BLOCK_TEXT) { |
| // for code safety, we'll always check instanceof, but I think |
| // always true. |
| if (region instanceof ForeignRegion) { |
| // super is used below so won't be ambiguous |
| newResult = getPartitionType((ForeignRegion) region, offset); |
| } |
| else if (region instanceof ForeignRegion) { |
| newResult = getPartitionType((ForeignRegion) region, offset); |
| } |
| else { |
| newResult = getUnknown(); |
| } |
| } |
| return newResult; |
| } |
| |
| protected boolean doParserSpecificCheck(int offset, boolean partitionFound, IStructuredDocumentRegion sdRegion, IStructuredDocumentRegion previousStructuredDocumentRegion, ITextRegion next, ITextRegion previousStart) { |
| // this was moved down to subclass of StructuredTextPartioner |
| // for quick fix to transition problems. Heirarchy needs lots of |
| // cleanup. |
| if (previousStart != null && previousStart.getType() == DOMRegionContext.XML_TAG_OPEN && next.getType() == DOMRegionContext.XML_END_TAG_OPEN) { |
| ITextRegion previousName = previousStructuredDocumentRegion.getRegionAtCharacterOffset(previousStructuredDocumentRegion.getEndOffset(previousStart)); |
| ITextRegion nextName = sdRegion.getRegionAtCharacterOffset(sdRegion.getEndOffset(next)); |
| if (previousName != null && nextName != null && previousName.getType() == DOMRegionContext.XML_TAG_NAME && nextName.getType() == DOMRegionContext.XML_TAG_NAME) { |
| setInternalPartition(offset, 0, getPartitionTypeBetween(previousStructuredDocumentRegion, sdRegion)); |
| partitionFound = true; |
| } |
| } |
| return partitionFound; |
| } |
| } |