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Diffstat (limited to 'bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/text/StructuredTextPartitionerForHTML.java')
| -rw-r--r-- | bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/text/StructuredTextPartitionerForHTML.java | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/text/StructuredTextPartitionerForHTML.java b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/text/StructuredTextPartitionerForHTML.java deleted file mode 100644 index 08c61ee3eb..0000000000 --- a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/text/StructuredTextPartitionerForHTML.java +++ /dev/null @@ -1,318 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2011 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.text; - -import java.util.Locale; - -import org.eclipse.jface.text.IDocumentPartitioner; -import org.eclipse.wst.css.core.text.ICSSPartitions; -import org.eclipse.wst.html.core.internal.provisional.HTML40Namespace; -import org.eclipse.wst.html.core.text.IHTMLPartitions; -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.provisional.text.ITextRegionList; -import org.eclipse.wst.sse.core.internal.text.IRegionComparible; -import org.eclipse.wst.sse.core.internal.text.rules.IStructuredTypedRegion; -import org.eclipse.wst.sse.core.internal.util.ScriptLanguageKeys; -import org.eclipse.wst.sse.core.utils.StringUtils; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; -import org.eclipse.wst.xml.core.internal.text.rules.StructuredTextPartitionerForXML; - -/** - * Document partitioner for HTML. Client-side scripts of type JavaScript are - * reported as ST_SCRIPT, all others for <script language="foo" type="foo2"> - * as SCRIPT.language:FOO and SCRIPT.type:FOO2. - */ -public class StructuredTextPartitionerForHTML extends StructuredTextPartitionerForXML implements IStructuredTextPartitioner { - - private final static String[] configuredContentTypes = new String[]{IHTMLPartitions.HTML_DEFAULT, IHTMLPartitions.HTML_DECLARATION, IHTMLPartitions.HTML_COMMENT, IHTMLPartitions.SCRIPT, ICSSPartitions.STYLE,IHTMLPartitions.SCRIPT_EVENTHANDLER}; - - public static final String JAVASCRIPT = "javascript"; //$NON-NLS-1$ - public static final String JAVASCRIPT_APPLICATION = "application/x-javascript"; //$NON-NLS-1$ - - private static final String[] EVENT_ATTRIBUTE_NAMES = - {HTML40Namespace.ATTR_NAME_ONCLICK, - HTML40Namespace.ATTR_NAME_ONDBLCLICK, - HTML40Namespace.ATTR_NAME_ONMOUSEDOWN, - HTML40Namespace.ATTR_NAME_ONMOUSEUP, - HTML40Namespace.ATTR_NAME_ONMOUSEOVER, - HTML40Namespace.ATTR_NAME_ONMOUSEMOVE, - HTML40Namespace.ATTR_NAME_ONMOUSEOUT, - HTML40Namespace.ATTR_NAME_ONKEYPRESS, - HTML40Namespace.ATTR_NAME_ONKEYDOWN, - HTML40Namespace.ATTR_NAME_ONKEYUP, - HTML40Namespace.ATTR_NAME_ONHELP, - HTML40Namespace.ATTR_NAME_ONBLUR, - HTML40Namespace.ATTR_NAME_ONFOCUS, - HTML40Namespace.ATTR_NAME_ONLOAD, - HTML40Namespace.ATTR_NAME_ONUNLOAD, - HTML40Namespace.ATTR_NAME_ONSUBMIT}; - - /** array of style attribute names */ - private static final String[] STYLE_ATTRIBUTE_NAMES = {HTML40Namespace.ATTR_NAME_STYLE}; - - public StructuredTextPartitionerForHTML() { - super(); - } - - public IStructuredTypedRegion createPartition(int offset, int length, String type) { - if (type == IHTMLPartitions.SCRIPT) { - IStructuredDocumentRegion node = fStructuredDocument.getRegionAtCharacterOffset(offset); - if (node != null) { - String stype = getScriptingPartitionType(node); - return super.createPartition(offset, length, stype); - } - } - return super.createPartition(offset, length, type); - } - - protected void setInternalPartition(int offset, int length, String type) { - String localType = type; - if (type == IHTMLPartitions.SCRIPT) { - IStructuredDocumentRegion node = fStructuredDocument.getRegionAtCharacterOffset(offset); - if (node != null) { - localType = getScriptingPartitionType(node); - } - } - super.setInternalPartition(offset, length, localType); - } - - private String getScriptingPartitionType(IStructuredDocumentRegion coreNode) { - String language = null; - String type = null; - String result = IHTMLPartitions.SCRIPT; - IStructuredDocumentRegion node = coreNode; - ITextRegion attrNameRegion = null; - while (node != null && isValidScriptingRegionType(node.getType())) { - node = node.getPrevious(); - } - - ITextRegionList regions = node.getRegions(); - if (regions.size() > 4 && regions.get(1).getType() == DOMRegionContext.XML_TAG_NAME) { - ITextRegion potentialLanguageRegion = regions.get(1); - String potentialLanguageString = node.getText(potentialLanguageRegion); - if (potentialLanguageString.equalsIgnoreCase(HTML40Namespace.ElementName.SCRIPT)) { - for (int i = 0; i < regions.size(); i++) { - ITextRegion region = regions.get(i); - String regionType = region.getType(); - if (regionType == DOMRegionContext.XML_TAG_ATTRIBUTE_NAME) - attrNameRegion = region; - else if (regionType == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - String attrName = node.getText(attrNameRegion); - if (attrName.equalsIgnoreCase(HTML40Namespace.ATTR_NAME_LANGUAGE)) - language = StringUtils.strip(node.getText(region)); - else if (attrName.equalsIgnoreCase(HTML40Namespace.ATTR_NAME_TYPE)) { - type = StringUtils.strip(node.getText(region)); - /* - * Avoid partition names built with MIME subtypes, - * e.g. type="text/javascript;e4x=1" - */ - if (type != null) { - int index = type.indexOf(';'); - if (index > 1) - type = type.substring(0, index); - } - break; - } - attrNameRegion = null; - } - } - } - } - if (type != null) - result = lookupScriptType(type); - else if (language != null) - result = lookupScriptLanguage(language); - return result; - } - - private boolean isValidScriptingRegionType(String type) { - return type == DOMRegionContext.BLOCK_TEXT || type == DOMRegionContext.XML_CDATA_OPEN || type == DOMRegionContext.XML_CDATA_TEXT || type == DOMRegionContext.XML_CDATA_CLOSE; - } - - protected void initLegalContentTypes() { - fSupportedTypes = getConfiguredContentTypes(); - } - - private String lookupScriptType(String type) { - for (int i = 0; i < ScriptLanguageKeys.JAVASCRIPT_MIME_TYPE_KEYS.length; i++) - if (ScriptLanguageKeys.JAVASCRIPT_MIME_TYPE_KEYS[i].equalsIgnoreCase(type)) - return IHTMLPartitions.SCRIPT; - return IHTMLPartitions.SCRIPT + ".type." + type.toUpperCase(Locale.ENGLISH); //$NON-NLS-1$ - } - - private String lookupScriptLanguage(String language) { - for (int i = 0; i < ScriptLanguageKeys.JAVASCRIPT_LANGUAGE_KEYS.length; i++) - if (ScriptLanguageKeys.JAVASCRIPT_LANGUAGE_KEYS[i].equalsIgnoreCase(language)) - return IHTMLPartitions.SCRIPT; - return IHTMLPartitions.SCRIPT + ".language." + language.toUpperCase(Locale.ENGLISH); //$NON-NLS-1$ - } - - public String getPartitionType(ITextRegion region, int offset) { - String result = null; - if (region.getType() == DOMRegionContext.XML_COMMENT_TEXT || region.getType() == DOMRegionContext.XML_COMMENT_OPEN || region.getType() == DOMRegionContext.XML_COMMENT_CLOSE) - result = IHTMLPartitions.HTML_COMMENT; - else if (region.getType() == DOMRegionContext.XML_DOCTYPE_DECLARATION || region.getType() == DOMRegionContext.XML_DECLARATION_OPEN) - result = IHTMLPartitions.HTML_DECLARATION; - else if (region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE && isScriptAttributeValue(region, offset)) - result = IHTMLPartitions.SCRIPT_EVENTHANDLER; - else if (isStyleAttributeValue(region, offset)) - result = ICSSPartitions.STYLE; - else - result = super.getPartitionType(region, offset); - return result; - } - - public String getPartitionTypeBetween(IStructuredDocumentRegion previousNode, IStructuredDocumentRegion nextNode) { - - ITextRegion previousStartTagNameRegion = null; - ITextRegion nextEndTagNameRegion = null; - - ITextRegion[] regions = previousNode.getRegions().toArray(); - for (int i = 0; i < regions.length; i++) { - if(regions[i].getType() == DOMRegionContext.XML_TAG_NAME) { - previousStartTagNameRegion = regions[i]; - break; - } - } - regions = nextNode.getRegions().toArray(); - for (int i = 0; i < regions.length; i++) { - if(regions[i].getType() == DOMRegionContext.XML_TAG_NAME) { - nextEndTagNameRegion = regions[i]; - break; - } - } - - if(previousStartTagNameRegion == null || nextEndTagNameRegion == null) - return IHTMLPartitions.HTML_DEFAULT; - - String name1 = previousNode.getText(previousStartTagNameRegion); - String name2 = nextNode.getText(nextEndTagNameRegion); - if (name1.equalsIgnoreCase(HTML40Namespace.ElementName.SCRIPT) && name2.equalsIgnoreCase(HTML40Namespace.ElementName.SCRIPT)) - // return ST_SCRIPT; - return getScriptingPartitionType(fStructuredDocument.getRegionAtCharacterOffset(previousNode.getStartOffset(previousStartTagNameRegion))); - else if (name1.equalsIgnoreCase(HTML40Namespace.ElementName.STYLE) && name2.equalsIgnoreCase(HTML40Namespace.ElementName.STYLE)) - return ICSSPartitions.STYLE; - return super.getPartitionTypeBetween(previousNode, nextNode); - } - - - protected String getPartitionType(ForeignRegion region, int offset) { - String tagname = region.getSurroundingTag(); - String result = null; - // tagname should not be null, - // but see https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=4911 - if (tagname == null) { - result = getUnknown(); - } - else if (tagname.equalsIgnoreCase(HTML40Namespace.ElementName.SCRIPT)) - result = IHTMLPartitions.SCRIPT; - else if (tagname.equalsIgnoreCase(HTML40Namespace.ElementName.STYLE) || isStyleAttributeValue(region,offset)) - result = ICSSPartitions.STYLE; - else if (region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE && isScriptAttributeValue(region, offset)) - result = IHTMLPartitions.SCRIPT_EVENTHANDLER; - else - result = super.getPartitionType(region, offset); - - return result; - } - - public String getDefaultPartitionType() { - return IHTMLPartitions.HTML_DEFAULT; - } - - public IDocumentPartitioner newInstance() { - return new StructuredTextPartitionerForHTML(); - } - - /** - * @return - */ - public static String[] getConfiguredContentTypes() { - return configuredContentTypes; - } - - private boolean isScriptAttributeValue(ITextRegion region, int offset) { - if (region.getType() != DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) - return false; - - return isAttributeNameForValueInArray(EVENT_ATTRIBUTE_NAMES, region, offset); - } - - /** - * @param region {@link ITextRegion} containing <code>offset</code> - * @param offset offset in the given <code>region</code> to check if it is in - * the attribute value region of a style attribute - * @return <code>true</code> if the given offset in the given region is - * in the value region of a style attribute, <code>false</code> otherwise - */ - private boolean isStyleAttributeValue(ITextRegion region, int offset) { - boolean isStyleAttributeValue = false; - if (region.getType() == DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE) { - isStyleAttributeValue = isAttributeNameForValueInArray(STYLE_ATTRIBUTE_NAMES, region, offset); - } - - return isStyleAttributeValue; - } - - /** - * <p>determines if the attribute name associated with the given attribute region - * is in the given array of attribute names</p> - * - * @param attributeNames determine if the attribute name associated with the given offset - * is in this array of attribute names - * @param attrValueRegion {@link ITextRegion} of the attribute region containing the given offset - * @param offset offset in an attribute region to determine if it is in the list of given attribute names - * @return <code>true</code> if the attribute name associated with the given offset is in the given - * list of attribute names, <code>false</code> otherwise - */ - private boolean isAttributeNameForValueInArray(String[] attributeNames, ITextRegion attrValueRegion, int offset) { - IStructuredDocumentRegion node = fStructuredDocument.getRegionAtCharacterOffset(offset); - ITextRegionList regionList = node.getRegions(); - int currentIndex = regionList.indexOf(attrValueRegion); - - /* - * 4 is the minimum index allowing for the tag's open, name, attribute - * name and equals character to appear first - */ - if (currentIndex < 4) - return false; - ITextRegion tagAttrNameRegion = regionList.get(currentIndex - 2); - - boolean foundAttributeName = false; - if (fStructuredDocument instanceof IRegionComparible) { - int start = node.getStartOffset(tagAttrNameRegion); - for (int i = 0; !foundAttributeName && i < attributeNames.length; i++) { - foundAttributeName = ((IRegionComparible) fStructuredDocument).regionMatchesIgnoreCase(start, tagAttrNameRegion.getTextLength(), attributeNames[i]); - } - } - else { - String tagAttrName = node.getText(tagAttrNameRegion); - foundAttributeName = StringUtils.contains(attributeNames, tagAttrName, false); - } - return foundAttributeName; - } - - /* (non-Javadoc) - * @see org.eclipse.wst.sse.core.internal.text.rules.StructuredTextPartitioner#getParserSpecificPreviousRegion(org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion) - */ - protected IStructuredDocumentRegion getParserSpecificPreviousRegion(IStructuredDocumentRegion currentRegion) { - if (currentRegion == null) - return null; - do { - currentRegion = currentRegion.getPrevious(); - } while (currentRegion != null && currentRegion.getType().equals(DOMRegionContext.BLOCK_TEXT)); - - return currentRegion; - } -} |