| /* |
| * 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.javascript2.nodejs.editor; |
| |
| import javax.swing.text.Document; |
| import org.netbeans.api.lexer.Token; |
| import org.netbeans.api.lexer.TokenSequence; |
| import org.netbeans.modules.csl.api.ElementHandle; |
| import org.netbeans.modules.csl.api.ElementKind; |
| import org.netbeans.modules.csl.api.OffsetRange; |
| import org.netbeans.modules.csl.spi.ParserResult; |
| import org.netbeans.modules.javascript2.lexer.api.JsTokenId; |
| import org.netbeans.modules.javascript2.lexer.api.LexUtilities; |
| import org.netbeans.modules.javascript2.editor.spi.DeclarationFinder; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.openide.filesystems.FileObject; |
| |
| /** |
| * |
| * @author Petr Pisl |
| */ |
| @DeclarationFinder.Registration(priority = 16) |
| public class NodeJsDeclarationFinder implements DeclarationFinder { |
| |
| |
| |
| @Override |
| public DeclarationLocation findDeclaration(ParserResult info, int caretOffset) { |
| Snapshot snapshot = info.getSnapshot(); |
| TokenSequence<? extends JsTokenId> ts = LexUtilities.getJsTokenSequence(snapshot, caretOffset); |
| Token<? extends JsTokenId> pathToken = getModeluPath(ts, caretOffset); |
| if (pathToken != null) { |
| String module = pathToken.text().toString(); |
| FileObject moduleFO = NodeJsUtils.findModuleFile(snapshot.getSource().getFileObject(), module); |
| if (moduleFO != null) { |
| if (NodeJsDataProvider.getDefault(moduleFO).getRuntimeModules().contains(module)) { |
| ElementHandle eh = new NodeJsElement(moduleFO, module, NodeJsDataProvider.getDefault(moduleFO).getDocForModule(module), ElementKind.FILE); |
| return new DeclarationLocation(moduleFO, 0, eh); |
| } |
| |
| return new DeclarationLocation(moduleFO, 0); |
| } |
| } |
| return DeclarationLocation.NONE; |
| } |
| |
| @Override |
| public OffsetRange getReferenceSpan(final Document doc, final int caretOffset) { |
| final OffsetRange[] value = new OffsetRange[1]; |
| value[0] = OffsetRange.NONE; |
| |
| doc.render(new Runnable() { |
| |
| @Override |
| public void run() { |
| TokenSequence<? extends JsTokenId> ts = LexUtilities.getJsTokenSequence(doc, caretOffset); |
| Token<? extends JsTokenId> path = getModeluPath(ts, caretOffset); |
| if (path != null) { |
| value[0] = new OffsetRange(ts.offset(), ts.offset() + ts.token().length()); |
| } |
| } |
| }); |
| return value[0]; |
| } |
| |
| private Token<? extends JsTokenId> getModeluPath(TokenSequence<? extends JsTokenId> ts, final int offset) { |
| Token<? extends JsTokenId> path = null; |
| if (ts != null && NodeJsContext.findContext(ts, offset) == NodeJsContext.MODULE_PATH) { |
| ts.move(offset); |
| ts.moveNext(); |
| Token<? extends JsTokenId> token = ts.token(); |
| if (token.id() == JsTokenId.STRING_END) { |
| ts.movePrevious(); |
| token = ts.token(); |
| } |
| if (token.id() == JsTokenId.STRING) { |
| String text = token.text().toString(); |
| if (text != null && !text.isEmpty()) { |
| path = token; |
| } |
| } |
| } |
| return path; |
| } |
| } |