Better event handling for browser preview refreshs in Wikipedia plugin
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / internal / compiler / ast / ExtendedStringLiteral.java
1 /*******************************************************************************
2  * Copyright (c) 2000, 2003 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials 
4  * are made available under the terms of the Common Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/cpl-v10.html
7  * 
8  * Contributors:
9  *     IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package net.sourceforge.phpeclipse.internal.compiler.ast;
12
13 import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
14 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
15
16 public class ExtendedStringLiteral extends StringLiteral {
17
18         /** 
19          *  Build a string+char literal
20          */
21         public ExtendedStringLiteral(StringLiteral str, CharLiteral character) {
22
23                 super(str.source, str.sourceStart, str.sourceEnd);
24                 extendWith(character);
25         }
26
27         /**     
28          * Build a two-strings literal
29          * */
30         public ExtendedStringLiteral(StringLiteral str1, StringLiteral str2) {
31
32                 super(str1.source, str1.sourceStart, str1.sourceEnd);
33                 extendWith(str2);
34         }
35
36         /**
37          * Add the lit source to mine, just as if it was mine
38          */
39         public ExtendedStringLiteral extendWith(CharLiteral lit) {
40
41                 //update the source
42                 int length = source.length;
43                 System.arraycopy(source, 0, (source = new char[length + 1]), 0, length);
44                 source[length] = lit.value;
45                 //position at the end of all literals
46                 sourceEnd = lit.sourceEnd;
47                 return this;
48         }
49
50         /**
51          *  Add the lit source to mine, just as if it was mine
52          */
53         public ExtendedStringLiteral extendWith(StringLiteral lit) {
54
55                 //uddate the source
56                 int length = source.length;
57                 System.arraycopy(
58                         source,
59                         0,
60                         source = new char[length + lit.source.length],
61                         0,
62                         length);
63                 System.arraycopy(lit.source, 0, source, length, lit.source.length);
64                 //position at the end of all literals
65                 sourceEnd = lit.sourceEnd;
66                 return this;
67         }
68
69         public String toStringExpression() {
70
71                 String str = "ExtendedStringLiteral{" + new String(source) + "}";       //$NON-NLS-2$ //$NON-NLS-1$
72                 return str;
73         }
74
75         public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
76
77                 visitor.visit(this, scope);
78                 visitor.endVisit(this, scope);
79         }
80 }