diff options
Diffstat (limited to 'bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/encoding/CSSDocumentCharsetDetector.java')
-rw-r--r-- | bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/encoding/CSSDocumentCharsetDetector.java | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/encoding/CSSDocumentCharsetDetector.java b/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/encoding/CSSDocumentCharsetDetector.java deleted file mode 100644 index d03f797888..0000000000 --- a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/encoding/CSSDocumentCharsetDetector.java +++ /dev/null @@ -1,126 +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.wst.css.core.internal.encoding; - -import java.util.Iterator; - -import org.eclipse.jface.text.IDocument; -import org.eclipse.wst.css.core.internal.contenttype.CSSResourceEncodingDetector; -import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts; -import org.eclipse.wst.sse.core.internal.document.DocumentReader; -import org.eclipse.wst.sse.core.internal.document.IDocumentCharsetDetector; -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.IStructuredDocumentRegionList; -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.utils.StringUtils; - - -public class CSSDocumentCharsetDetector extends CSSResourceEncodingDetector implements IDocumentCharsetDetector { - - public String getEncodingName(IStructuredDocument structuredDocument) { - String result = null; - // if the document is empty, then there will be no nodes, - // so no need to continue. - IStructuredDocumentRegionList nodes = structuredDocument.getRegionList(); - if (nodes.getLength() > 0) { - IStructuredDocumentRegion node = null; - // skip any initial whitespace - // Note that @charset "encodingname"; - // must appear at very beginning of document, - // to be valid. - // May have to test with "damaged" files (e.g. - // beginning EOLs, etc., to verify this works - // as expected. - for (int i = 0; i < nodes.getLength(); i++) { - node = nodes.item(i); - if (getType(node) != CSSRegionContexts.CSS_S) { - break; - } - } - Iterator regions = node.getRegions().iterator(); - ITextRegion region = getNextRegionOfType(CSSRegionContexts.CSS_CHARSET, regions); - if (region != null) { - ITextRegion valueRegion = getNextRegionOfType(CSSRegionContexts.CSS_STRING, regions); - if (valueRegion == null) { - // if didn't find the region, its probably due to ill - // formed input, such as - // @charset "ISO-8859-6; - // so we'll try again for "unknown" region. - // If that fails, we'll give up? - regions = node.getRegions().iterator(); - region = getNextRegionOfType(CSSRegionContexts.CSS_CHARSET, regions); - if (region != null) { - valueRegion = getNextRegionOfType(CSSRegionContexts.CSS_UNKNOWN, regions); - if (valueRegion != null) { - result = node.getText(valueRegion); - } - } - } - else { - result = node.getText(valueRegion); - } - result = StringUtils.stripNonLetterDigits(result); - } - } - return result; - } - - public String getEncodingName(IDocument document) { - String enc = null; - if (document instanceof IStructuredDocument) { - enc = getEncodingName((IStructuredDocument) document); - } - else { - // TODO Important: need to implement some "raw" parser for - // IDocument level - } - return enc; - } - - private String getType(IStructuredDocumentRegion node) { - if (node == null) - return null; - ITextRegionList regions = node.getRegions(); - if (regions == null || regions.size() == 0) - return null; - ITextRegion region = regions.get(0); - String result = region.getType(); - return result; - } - - private ITextRegion getNextRegionOfType(String type, Iterator regions) { - if (type == null) - return null; - if (regions == null) - return null; - ITextRegion result = null; - while (regions.hasNext()) { - ITextRegion region = (ITextRegion) regions.next(); - if (region.getType() == type) { - result = region; - break; - } - } - return result; - } - - /** - * - */ - - public void set(IDocument document) { - set(new DocumentReader(document, 0)); - - } - -}
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