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


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 /**
33  * Represents an object-get argument which might be a call to a reference.
34  */
35 public class ArgObjectGetValue extends Value {
36   private final Env _env;
37   private final Value _obj;
38   private final Value _index;
39
40   public ArgObjectGetValue(Env env, Value obj, Value index)
41   {
42     _env = env;
43     _obj = obj;
44     _index = index;
45   }
46
47   /**
48    * Returns the value for a get arg.
49    */
50   public Value getArg(Value index)
51   {
52     // quercus/3d2u
53 return new ArgObjectGetValue(_env, this, index);
54   }
55
56   /**
57    * Converts to a ref var.
58    */
59   public Var toRefVar()
60   {
61     // quercus/3d2t
62 return _obj.getArgRef(_index).toRefVar();
63   }
64
65   /**
66    * Converts to a var.
67    */
68   /*
69   public Var toVar()
70   {
71     // quercus/3d52
72     return _obj.get(_index).toVar();
73   }
74   */
75
76   /**
77    * Returns the value, converting to an object if necessary.
78    */
79   public Value getArgRef(Value index)
80   {
81     // quercus/3d2t
82 return _obj.getObject(_env, _index).getArgRef(index);
83   }
84
85   /**
86    * Returns the value, converting to an object if necessary.
87    */
88   /*
89   public Value getObject(Env env, Value index)
90   {
91     return _obj.getObject(_env, _index).getObject(env, index);
92   }
93   */
94 }
95
96
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