| /* |
| * 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.php.editor.codegen; |
| |
| import java.util.Collections; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import javax.swing.text.JTextComponent; |
| import org.netbeans.modules.csl.spi.ParserResult; |
| import org.netbeans.modules.parsing.api.ParserManager; |
| import org.netbeans.modules.parsing.api.ResultIterator; |
| import org.netbeans.modules.parsing.api.Source; |
| import org.netbeans.modules.parsing.api.UserTask; |
| import org.netbeans.modules.parsing.spi.ParseException; |
| import org.netbeans.modules.php.editor.NavUtils; |
| import org.netbeans.modules.php.editor.parser.astnodes.ASTNode; |
| import org.netbeans.modules.php.editor.parser.astnodes.Block; |
| import org.netbeans.modules.php.editor.parser.astnodes.ClassDeclaration; |
| import org.netbeans.modules.php.editor.parser.astnodes.EmptyStatement; |
| import org.netbeans.modules.php.editor.parser.astnodes.FunctionDeclaration; |
| import org.netbeans.modules.php.editor.parser.astnodes.MethodDeclaration; |
| import org.netbeans.modules.php.editor.parser.astnodes.NamespaceDeclaration; |
| import org.netbeans.modules.php.editor.parser.astnodes.Program; |
| |
| /** |
| * |
| * @author Ondrej Brejla <obrejla@netbeans.org> |
| */ |
| public final class InvocationContextResolver { |
| |
| private static final Logger LOGGER = Logger.getLogger(InvocationContextResolver.class.getName()); |
| private List<ASTNode> nodes = new LinkedList<>(); |
| private final JTextComponent component; |
| |
| public static InvocationContextResolver create(final JTextComponent component) { |
| InvocationContextResolver invocationContextResolver = new InvocationContextResolver(component); |
| invocationContextResolver.resolveNodesUnderCarret(); |
| return invocationContextResolver; |
| } |
| |
| private InvocationContextResolver(final JTextComponent component) { |
| this.component = component; |
| } |
| |
| private void resolveNodesUnderCarret() { |
| try { |
| ParserManager.parse(Collections.singleton(Source.create(component.getDocument())), new UserTask() { |
| @Override |
| public void run(ResultIterator resultIterator) throws Exception { |
| ParserResult info = (ParserResult) resultIterator.getParserResult(); |
| if (info != null) { |
| int caretOffset = component.getCaretPosition(); |
| nodes = NavUtils.underCaret(info, caretOffset); |
| } |
| } |
| }); |
| } catch (ParseException ex) { |
| LOGGER.log(Level.WARNING, "Error during resolving nodes under carret (codegens): {0}", ex.getMessage()); |
| } |
| } |
| |
| public boolean isExactlyIn(InvocationContext context) { |
| boolean result = false; |
| if (!nodes.isEmpty()) { |
| ASTNode lastNode = nodes.get(nodes.size() - 1); |
| if (lastNode instanceof Block) { |
| lastNode = nodes.get(nodes.size() - 2); |
| } |
| result = context.isExactlyIn(lastNode); |
| } |
| return result; |
| } |
| |
| public enum InvocationContext { |
| CLASS { |
| @Override |
| boolean isExactlyIn(ASTNode lastNode) { |
| return lastNode instanceof ClassDeclaration; |
| } |
| }, |
| |
| METHOD { |
| @Override |
| boolean isExactlyIn(ASTNode lastNode) { |
| return lastNode instanceof MethodDeclaration; |
| } |
| }, |
| |
| FUNCTION { |
| @Override |
| boolean isExactlyIn(ASTNode lastNode) { |
| return lastNode instanceof FunctionDeclaration; |
| } |
| }, |
| |
| NAMESPACE { |
| @Override |
| boolean isExactlyIn(ASTNode lastNode) { |
| return lastNode instanceof NamespaceDeclaration; |
| } |
| }, |
| |
| PROGRAM { |
| @Override |
| boolean isExactlyIn(ASTNode lastNode) { |
| return lastNode instanceof Program; |
| } |
| }, |
| |
| EMPTY_STATEMENT { |
| @Override |
| boolean isExactlyIn(ASTNode lastNode) { |
| return lastNode instanceof EmptyStatement; |
| } |
| }; |
| |
| abstract boolean isExactlyIn(ASTNode lastNode); |
| } |
| |
| } |