| /* |
| * 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.languages.yaml; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.logging.Logger; |
| import javax.swing.text.BadLocationException; |
| import org.netbeans.editor.BaseDocument; |
| import org.netbeans.editor.Utilities; |
| import org.netbeans.modules.csl.api.OffsetRange; |
| import org.netbeans.modules.csl.api.StructureItem; |
| import org.netbeans.modules.csl.api.StructureScanner; |
| import org.netbeans.modules.csl.api.StructureScanner.Configuration; |
| import org.netbeans.modules.csl.spi.GsfUtilities; |
| import org.netbeans.modules.csl.spi.ParserResult; |
| import org.openide.util.Exceptions; |
| |
| /** |
| * Structure Scanner for YAML |
| * |
| * @author Tor Norbye |
| */ |
| public class YamlScanner implements StructureScanner { |
| |
| private static final Logger LOGGER = Logger.getLogger(YamlScanner.class.getName()); |
| |
| @Override |
| public List<? extends StructureItem> scan(ParserResult info) { |
| YamlParserResult result = (YamlParserResult) info; |
| return result.getItems(); |
| } |
| |
| @Override |
| public Map<String, List<OffsetRange>> folds(ParserResult info) { |
| Map<String, List<OffsetRange>> folds = Collections.emptyMap(); |
| List<? extends StructureItem> items = scan(info); |
| |
| if (!items.isEmpty()) { |
| folds = new HashMap<>(); |
| List<OffsetRange> codeblocks = new ArrayList<>(); |
| folds.put("tags", codeblocks); // NOI18N |
| |
| BaseDocument doc = (BaseDocument) info.getSnapshot().getSource().getDocument(false); |
| |
| for (StructureItem item : items) { |
| try { |
| addBlocks(doc, info.getSnapshot().getText(), codeblocks, item); |
| } catch (BadLocationException ble) { |
| Exceptions.printStackTrace(ble); |
| break; |
| } |
| } |
| } |
| return folds; |
| } |
| |
| private void addBlocks(BaseDocument doc, CharSequence text, List<OffsetRange> codeblocks, StructureItem item) throws BadLocationException { |
| int docLength = doc == null ? text.length() : doc.getLength(); |
| int begin = Math.min((int) item.getPosition(), docLength); |
| int end = Math.min((int) item.getEndPosition(), docLength); |
| int firstRowEnd = doc == null ? GsfUtilities.getRowEnd(text, begin) : Utilities.getRowEnd(doc, begin); |
| int lastRowEnd = doc == null ? GsfUtilities.getRowEnd(text, end) : Utilities.getRowEnd(doc, end); |
| if (begin < end && firstRowEnd != lastRowEnd) { |
| codeblocks.add(new OffsetRange(firstRowEnd, end)); |
| } else { |
| return; |
| } |
| |
| for (StructureItem child : item.getNestedItems()) { |
| int childBegin = (int) child.getPosition(); |
| int childEnd = (int) child.getEndPosition(); |
| if (childBegin >= begin && childEnd <= end) { |
| addBlocks(doc, text, codeblocks, child); |
| } |
| } |
| } |
| |
| @Override |
| public Configuration getConfiguration() { |
| return new Configuration(false, false, 0); |
| } |
| |
| } |