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Java > Open Source Codes > com > caucho > quercus > env > ConstArrayValue


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.quercus.env;
31
32 import java.io.IOException JavaDoc;
33 import java.io.PrintWriter JavaDoc;
34
35 /**
36  * Represents a PHP array value.
37  */
38 public class ConstArrayValue extends ArrayValueImpl {
39   public ConstArrayValue()
40   {
41   }
42
43   public ConstArrayValue(Value []keys, Value []values)
44   {
45     super(keys, values);
46   }
47   
48   /**
49    * Copy for assignment.
50    */
51   public Value copy()
52   {
53     return new CopyArrayValue(this);
54   }
55
56   /**
57    * Shuffles the array
58    */
59   public void shuffle()
60   {
61     throw new IllegalStateException JavaDoc();
62   }
63
64   //
65 // Java generator code
66 //
67
68   /**
69    * Generates code to recreate the expression.
70    *
71    * @param out the writer to the Java source code.
72    */
73   public void generate(PrintWriter JavaDoc out)
74     throws IOException JavaDoc
75   {
76     out.print("new ConstArrayValue(");
77     
78     out.print("new Value[] {");
79       
80     for (Entry entry = getHead(); entry != null; entry = entry._next) {
81       if (entry != getHead())
82     out.print(", ");
83         
84       if (entry.getKey() != null)
85     entry.getKey().generate(out);
86       else
87     out.print("null");
88     }
89       
90     out.print("}, new Value[] {");
91
92     for (Entry entry = getHead(); entry != null; entry = entry._next) {
93       if (entry != getHead())
94     out.print(", ");
95         
96       entry.getValue().generate(out);
97     }
98
99     out.print("})");
100   }
101 }
102
103
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