1 /*
2 * Copyright (c) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "ScriptArguments.h"
33
34 #include "ScriptValue.h"
35
36 namespace WebCore {
37
create(ScriptState * scriptState,Vector<ScriptValue> & arguments)38 PassRefPtr<ScriptArguments> ScriptArguments::create(ScriptState* scriptState, Vector<ScriptValue>& arguments)
39 {
40 return adoptRef(new ScriptArguments(scriptState, arguments));
41 }
42
ScriptArguments(ScriptState * scriptState,Vector<ScriptValue> & arguments)43 ScriptArguments::ScriptArguments(ScriptState* scriptState, Vector<ScriptValue>& arguments)
44 : m_scriptState(scriptState)
45 {
46 m_arguments.swap(arguments);
47 }
48
~ScriptArguments()49 ScriptArguments::~ScriptArguments()
50 {
51 }
52
argumentAt(size_t index) const53 const ScriptValue &ScriptArguments::argumentAt(size_t index) const
54 {
55 ASSERT(m_arguments.size() > index);
56 return m_arguments[index];
57 }
58
globalState() const59 ScriptState* ScriptArguments::globalState() const
60 {
61 return m_scriptState.get();
62 }
63
getFirstArgumentAsString(String & result,bool checkForNullOrUndefined)64 bool ScriptArguments::getFirstArgumentAsString(String& result, bool checkForNullOrUndefined)
65 {
66 if (!argumentCount())
67 return false;
68
69 const ScriptValue& value = argumentAt(0);
70 if (checkForNullOrUndefined && (value.isNull() || value.isUndefined()))
71 return false;
72
73 if (!globalState()) {
74 ASSERT_NOT_REACHED();
75 return false;
76 }
77
78 result = value.toString(globalState());
79 return true;
80 }
81
isEqual(ScriptArguments * other) const82 bool ScriptArguments::isEqual(ScriptArguments* other) const
83 {
84 if (!other)
85 return false;
86
87 if (m_arguments.size() != other->m_arguments.size())
88 return false;
89 if (!globalState() && m_arguments.size())
90 return false;
91
92 for (size_t i = 0; i < m_arguments.size(); ++i) {
93 if (!m_arguments[i].isEqual(other->globalState(), other->m_arguments[i]))
94 return false;
95 }
96 return true;
97 }
98
99 } // namespace WebCore
100