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 "third_party/blink/renderer/core/xml/xpath_variable_reference.h"
28
29 #include "third_party/blink/renderer/core/xml/xpath_value.h"
30
31 namespace blink {
32 namespace xpath {
33
VariableReference(const String & name)34 VariableReference::VariableReference(const String& name) : name_(name) {}
35
Evaluate(EvaluationContext & context) const36 Value VariableReference::Evaluate(EvaluationContext& context) const {
37 HashMap<String, String>& bindings = context.variable_bindings;
38 if (!bindings.Contains(name_)) {
39 // FIXME: Is this the right thing to do if an unknown variable is
40 // referenced?
41 return "";
42 }
43 return bindings.at(name_);
44 }
45
46 } // namespace xpath
47 } // namespace blink
48