| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.web.jsf.editor; |
| |
| import javax.swing.text.BadLocationException; |
| import org.netbeans.modules.csl.api.OffsetRange; |
| import org.netbeans.modules.csl.spi.GsfUtilities; |
| import org.netbeans.modules.html.editor.api.gsf.HtmlParserResult; |
| import org.netbeans.modules.html.editor.lib.api.elements.Node; |
| import org.netbeans.modules.parsing.api.Embedding; |
| import org.netbeans.modules.parsing.api.ResultIterator; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.netbeans.modules.parsing.spi.ParseException; |
| import org.netbeans.modules.parsing.spi.Parser.Result; |
| import org.netbeans.modules.web.jsfapi.api.LibraryInfo; |
| |
| /** |
| * |
| * @author mfukala@netbeans.org |
| */ |
| public class JsfUtils { |
| |
| private JsfUtils() { |
| } |
| |
| /** |
| * Mimetype of XHTML files - text/xhtml |
| */ |
| public static final String XHTML_MIMETYPE = "text/xhtml"; //NOI18N |
| /** |
| * Mimetype of plain XML files - text/xml |
| */ |
| public static final String XML_MIMETYPE = "text/xml"; //NOI18N |
| /** |
| * Mimetype of Tag Library Descriptor files - text/x-tld |
| */ |
| public static final String TLD_MIMETYPE = "text/x-tld"; //NOI18N |
| |
| /** |
| * Creates an OffsetRange of source document offsets for given embedded offsets. |
| */ |
| public static OffsetRange createOffsetRange(Snapshot snapshot, CharSequence documentText, int embeddedOffsetFrom, int embeddedOffsetTo) { |
| |
| int originalFrom = 0; |
| int originalTo = documentText.length(); |
| |
| //try to find nearest original offset if the embedded offsets cannot be directly recomputed |
| //from - try backward |
| for (int i = embeddedOffsetFrom; i >= 0; i--) { |
| int originalOffset = snapshot.getOriginalOffset(i); |
| if (originalOffset != -1) { |
| originalFrom = originalOffset; |
| break; |
| } |
| } |
| |
| try { |
| //some heuristic - use end of line where the originalFrom lies |
| //in case if we cannot match the end offset at all |
| originalTo = GsfUtilities.getRowEnd(documentText, originalFrom); |
| } catch (BadLocationException ex) { |
| //ignore, end of the document will be used as end offset |
| } |
| |
| //to - try forward |
| for (int i = embeddedOffsetTo; i <= snapshot.getText().length(); i++) { |
| int originalOffset = snapshot.getOriginalOffset(i); |
| if (originalOffset != -1) { |
| originalTo = originalOffset; |
| break; |
| } |
| } |
| |
| return new OffsetRange(originalFrom, originalTo); |
| } |
| |
| public static Result getEmbeddedParserResult(ResultIterator resultIterator, String mimeType) throws ParseException { |
| for (Embedding e : resultIterator.getEmbeddings()) { |
| if (e.getMimeType().equals(mimeType)) { |
| return resultIterator.getResultIterator(e).getParserResult(); |
| } |
| } |
| return null; |
| } |
| |
| public static Node getRoot(HtmlParserResult parserResult, LibraryInfo library) { |
| Node rootNode = parserResult.root(library.getNamespace()); |
| if ((rootNode == null || rootNode.children().isEmpty()) && library.getLegacyNamespace() != null) { |
| rootNode = parserResult.root(library.getLegacyNamespace()); |
| } |
| return rootNode; |
| } |
| |
| } |