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1 /*
2  * Copyright (C) 2006, 2007, 2008 Apple 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
6  * are met:
7  *
8  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "config.h"
30 #include "ScriptValue.h"
31 
32 #include <JavaScriptCore/APICast.h>
33 #include <JavaScriptCore/JSValueRef.h>
34 
35 #include <runtime/JSLock.h>
36 #include <runtime/Protect.h>
37 #include <runtime/UString.h>
38 
39 using namespace JSC;
40 
41 namespace WebCore {
42 
getString(String & result) const43 bool ScriptValue::getString(String& result) const
44 {
45     if (!m_value)
46         return false;
47     JSLock lock(SilenceAssertionsOnly);
48     UString ustring;
49     if (!m_value.get().getString(ustring))
50         return false;
51     result = ustring;
52     return true;
53 }
54 
isEqual(ScriptState * scriptState,const ScriptValue & anotherValue) const55 bool ScriptValue::isEqual(ScriptState* scriptState, const ScriptValue& anotherValue) const
56 {
57     if (hasNoValue())
58         return anotherValue.hasNoValue();
59 
60     return JSValueIsEqual(toRef(scriptState), toRef(scriptState, jsValue()), toRef(scriptState, anotherValue.jsValue()), 0);
61 }
62 
isNull() const63 bool ScriptValue::isNull() const
64 {
65     if (!m_value)
66         return false;
67     return m_value.get().isNull();
68 }
69 
isUndefined() const70 bool ScriptValue::isUndefined() const
71 {
72     if (!m_value)
73         return false;
74     return m_value.get().isUndefined();
75 }
76 
77 } // namespace WebCore
78