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.javascript.JSElementTypes; 
20   import com.intellij.lang.javascript.JSTokenTypes; 
21   import com.intellij.lang.javascript.psi.JSCaseClause; 
22   import com.intellij.lang.javascript.psi.JSElementVisitor; 
23   import com.intellij.lang.javascript.psi.JSExpression; 
24   import com.intellij.lang.javascript.psi.JSStatement; 
25   import com.intellij.psi.PsiElementVisitor; 
26    
27   /** 
28    * Created by IntelliJ IDEA. 
29    * User: max 
30    * Date: Jan 30, 2005 
31    * Time: 10:11:23 PM 
32    * To change this template use File | Settings | File Templates. 
33    */ 
34   public class JSCaseClauseImpl extends JSElementImpl implements JSCaseClause { 
35     public JSCaseClauseImpl(final ASTNode node) { 
36       super(node); 
37     } 
38    
39     public boolean isDefault() { 
40       return getNode().findChildByType(JSTokenTypes.DEFAULT_KEYWORD) != null; 
41     } 
42    
43     public JSExpression getCaseExpression() { 
44       if (isDefault()) return null; 
45       final ASTNode[] nodes = getNode().getChildren(JSElementTypes.EXPRESSIONS); 
46       return (JSExpression)(nodes.length == 1 ? nodes[0].getPsi() : null); 
47     } 
48    
49     public JSStatement[] getStatements() { 
50       final ASTNode[] nodes = getNode().getChildren(JSElementTypes.STATEMENTS); 
51       final JSStatement[] statements = new JSStatement[nodes.length]; 
52       for (int i = 0; i < statements.length; i++) { 
53         statements[i] = (JSStatement)nodes[i].getPsi(); 
54       } 
55       return statements; 
56     } 
57    
58     public void accept(PsiElementVisitor visitor) { 
59       if (visitor instanceof JSElementVisitor) { 
60         ((JSElementVisitor)visitor).visitJSCaseClause(this); 
61       } 
62       else { 
63         visitor.visitElement(this); 
64       } 
65     } 
66    
67     public String toString() { 
68       return "JSCaseClause"; 
69     } 
70   } 
71