1    /* 
2     * Copyright 2000-2005 JetBrains s.r.o. 
3     * 
4     * Licensed under the Apache License, Version 2.0 (the "License"); 
5     * you may not use this file except in compliance with the License. 
6     * You may obtain a copy of the License at 
7     * 
8     * http://www.apache.org/licenses/LICENSE-2.0 
9     * 
10    * Unless required by applicable law or agreed to in writing, software 
11    * distributed under the License is distributed on an "AS IS" BASIS, 
12    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
13    * See the License for the specific language governing permissions and 
14    * limitations under the License. 
15    */ 
16   package com.intellij.lang.javascript.psi.impl; 
17    
18   import com.intellij.lang.ASTNode; 
19   import com.intellij.lang.ParserDefinition; 
20   import com.intellij.lang.javascript.JavaScriptSupportLoader; 
21   import com.intellij.lang.javascript.psi.JSExpression; 
22   import com.intellij.lang.javascript.psi.JSExpressionStatement; 
23   import com.intellij.lang.javascript.psi.JSStatement; 
24   import com.intellij.openapi.project.Project; 
25   import com.intellij.psi.PsiFile; 
26    
27   /** 
28    * Created by IntelliJ IDEA. 
29    * User: max 
30    * Date: Jan 31, 2005 
31    * Time: 7:56:28 PM 
32    * To change this template use File | Settings | File Templates. 
33    */ 
34   public class JSChangeUtil { 
35     private JSChangeUtil() {} 
36    
37     public static ASTNode createNameIdentifier(Project project, String name) { 
38       ParserDefinition def = JavaScriptSupportLoader.JAVASCRIPT.getLanguage().getParserDefinition(); 
39       final PsiFile dummyFile = def.createFile(project, "dummy." + JavaScriptSupportLoader.JAVASCRIPT.getDefaultExtension(), name + ";"); 
40       final JSExpressionStatement expressionStatement = (JSExpressionStatement)dummyFile.getFirstChild(); 
41       final JSReferenceExpressionImpl refExpression = (JSReferenceExpressionImpl)expressionStatement.getFirstChild(); 
42    
43       return refExpression.getNode().getFirstChildNode(); 
44     } 
45    
46     public static ASTNode createExpressionFromText(Project project, String text) { 
47       ParserDefinition def = JavaScriptSupportLoader.JAVASCRIPT.getLanguage().getParserDefinition(); 
48       assert def != null; 
49       final PsiFile dummyFile = def.createFile(project, "dummy." + JavaScriptSupportLoader.JAVASCRIPT.getDefaultExtension(), text); 
50       final JSExpressionStatement expressionStatement = (JSExpressionStatement) dummyFile.getFirstChild(); 
51       final JSExpression expr = (JSExpression) expressionStatement.getFirstChild(); 
52       return expr.getNode(); 
53     } 
54    
55     public static ASTNode createStatementFromText(Project project, String text) { 
56       ParserDefinition def = JavaScriptSupportLoader.JAVASCRIPT.getLanguage().getParserDefinition(); 
57       assert def != null; 
58       final PsiFile dummyFile = def.createFile(project, "dummy." + JavaScriptSupportLoader.JAVASCRIPT.getDefaultExtension(), text); 
59       final JSStatement stmt = (JSStatement) dummyFile.getFirstChild(); 
60       return stmt.getNode(); 
61     } 
62   } 
63