1 /*
2  * Copyright 2005 Frerich Raabe <raabe@kde.org>
3  * Copyright (C) 2006 Apple Computer, Inc.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include "config.h"
28 #include "XPathVariableReference.h"
29 
30 #if ENABLE(XPATH)
31 
32 #include "Node.h"
33 #include "XPathValue.h"
34 
35 namespace WebCore {
36 namespace XPath {
37 
VariableReference(const String & name)38 VariableReference::VariableReference(const String& name)
39     : m_name(name)
40 {
41 }
42 
evaluate() const43 Value VariableReference::evaluate() const
44 {
45     HashMap<String, String>& bindings = evaluationContext().variableBindings;
46     if (!bindings.contains(m_name))
47         // FIXME: Is this the right thing to do if an unknown variable is referenced?
48         return "";
49     return bindings.get(m_name);
50 }
51 
52 }
53 }
54 
55 #endif // ENABLE(XPATH)
56