| /******************************************************************************* |
| * Copyright (c) 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.html.core.internal.encoding; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.jface.text.IDocumentPartitioner; |
| import org.eclipse.wst.html.core.internal.contenttype.EncodingGuesser; |
| import org.eclipse.wst.html.core.internal.document.HTMLDocumentTypeAdapterFactory; |
| import org.eclipse.wst.html.core.internal.document.HTMLModelParserAdapterFactory; |
| import org.eclipse.wst.html.core.internal.htmlcss.HTMLStyleSelectorAdapterFactory; |
| import org.eclipse.wst.html.core.internal.htmlcss.StyleAdapterFactory; |
| import org.eclipse.wst.html.core.internal.modelquery.ModelQueryAdapterFactoryForHTML; |
| import org.eclipse.wst.html.core.internal.provisional.contenttype.ContentTypeIdForHTML; |
| import org.eclipse.wst.html.core.internal.text.StructuredTextPartitionerForHTML; |
| import org.eclipse.wst.sse.core.internal.PropagatingAdapter; |
| import org.eclipse.wst.sse.core.internal.document.AbstractDocumentLoader; |
| import org.eclipse.wst.sse.core.internal.document.IDocumentCharsetDetector; |
| import org.eclipse.wst.sse.core.internal.document.IDocumentLoader; |
| import org.eclipse.wst.sse.core.internal.document.StructuredDocumentFactory; |
| import org.eclipse.wst.sse.core.internal.encoding.ContentTypeEncodingPreferences; |
| import org.eclipse.wst.sse.core.internal.ltk.parser.BlockMarker; |
| import org.eclipse.wst.sse.core.internal.ltk.parser.RegionParser; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory; |
| import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; |
| import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; |
| import org.eclipse.wst.sse.core.internal.provisional.document.IEncodedDocument; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; |
| import org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument; |
| import org.eclipse.wst.xml.core.internal.parser.XMLSourceParser; |
| import org.eclipse.wst.xml.core.internal.parser.XMLStructuredDocumentReParser; |
| import org.eclipse.wst.xml.core.internal.propagate.PropagatingAdapterFactoryImpl; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; |
| |
| public class HTMLDocumentLoader extends AbstractDocumentLoader { |
| |
| public HTMLDocumentLoader() { |
| super(); |
| } |
| |
| /** |
| * Convenience method to add tag names using BlockMarker object |
| */ |
| protected void addHTMLishTag(XMLSourceParser parser, String tagname) { |
| BlockMarker bm = new BlockMarker(tagname, null, DOMRegionContext.BLOCK_TEXT, false); |
| parser.addBlockMarker(bm); |
| } |
| |
| /** |
| * Default encoding. For HTML, there is no spec. |
| */ |
| protected String getSpecDefaultEncoding() { |
| return null; |
| } |
| |
| /** |
| * @return java.lang.String |
| * @param string |
| * byte[] |
| * @param length |
| * int |
| * |
| * Do automatic encoding detection by guess |
| */ |
| protected String getEncodingNameByGuess(byte[] string, int length) { |
| final String ianaEnc = EncodingGuesser.guessEncoding(string, length); |
| return ianaEnc; |
| } |
| |
| /* |
| * @see AbstractLoader#createNewStructuredDocument() |
| */ |
| protected IEncodedDocument newEncodedDocument() { |
| IStructuredDocument structuredDocument = StructuredDocumentFactory.getNewStructuredDocumentInstance(getParser()); |
| ((BasicStructuredDocument) structuredDocument).setReParser(new XMLStructuredDocumentReParser()); |
| |
| return structuredDocument; |
| } |
| |
| /* |
| * @see IModelLoader#getParser() |
| */ |
| public RegionParser getParser() { |
| XMLSourceParser parser = new XMLSourceParser(); |
| // for the "static HTML" case, we need to initialize |
| // Blocktags here. |
| addHTMLishTag(parser, "script"); //$NON-NLS-1$ |
| addHTMLishTag(parser, "style"); //$NON-NLS-1$ |
| return parser; |
| } |
| |
| /** |
| * This method must return those factories which must be attached to the |
| * structuredModel before content is applied. |
| */ |
| public List getAdapterFactories() { |
| List result = new ArrayList(); |
| INodeAdapterFactory factory = null; |
| factory = StyleAdapterFactory.getInstance(); |
| result.add(factory); |
| factory = HTMLStyleSelectorAdapterFactory.getInstance(); |
| result.add(factory); |
| factory = new HTMLDocumentTypeAdapterFactory(); |
| result.add(factory); |
| factory = HTMLModelParserAdapterFactory.getInstance(); |
| result.add(factory); |
| // |
| factory = new ModelQueryAdapterFactoryForHTML(); |
| result.add(factory); |
| |
| factory = new PropagatingAdapterFactoryImpl(); |
| result.add(factory); |
| |
| |
| return result; |
| } |
| |
| protected String getPreferredNewLineDelimiter() { |
| return ContentTypeEncodingPreferences.getPreferredNewLineDelimiter(ContentTypeIdForHTML.ContentTypeID_HTML); |
| } |
| |
| public IDocumentCharsetDetector getDocumentEncodingDetector() { |
| if (fDocumentEncodingDetector == null) { |
| fDocumentEncodingDetector = new HTMLDocumentCharsetDetector(); |
| } |
| return fDocumentEncodingDetector; |
| } |
| |
| protected void preLoadAdapt(IStructuredModel structuredModel) { |
| // DMW: just added this preload on 8/16/2002 |
| // I noticed the ProagatingAdapterFactory was being added, |
| // that that the ProagatingAdapterAdapter was not being |
| // preload adapted -- I'm assuing it ALWAYS has to be. |
| IDOMModel domModel = (IDOMModel) structuredModel; |
| // if there is a model in the adapter, this will adapt it to |
| // first node. After that the PropagatingAdater spreads over the |
| // children being |
| // created. Each time that happends, a side effect is to |
| // also "spread" sprecific registered adapters, |
| // they two can propigate is needed. |
| ((INodeNotifier) domModel.getDocument()).getAdapterFor(PropagatingAdapter.class); |
| } |
| |
| public IDocumentPartitioner getDefaultDocumentPartitioner() { |
| return new StructuredTextPartitionerForHTML(); |
| } |
| |
| public IDocumentLoader newInstance() { |
| return new HTMLDocumentLoader(); |
| } |
| } |