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 "SerializedScriptValue.h"

    33 

    34 #include <JavaScriptCore/APICast.h>

    35 #include <JavaScriptCore/JSValueRef.h>

    36 

    37 #include <runtime/JSLock.h>

    38 #include <runtime/Protect.h>

    39 #include <runtime/UString.h>

    40 

    41 using namespace JSC;

    42 

    43 namespace WebCore {

    44 

    45 bool ScriptValue::getString(ScriptState* scriptState, String& result) const

    46 {

    47     if (!m_value)

    48         return false;

    49     JSLock lock(SilenceAssertionsOnly);

    50     UString ustring;

    51     if (!m_value.get().getString(scriptState, ustring))

    52         return false;

    53     result = ustringToString(ustring);

    54     return true;

    55 }

    56 

    57 bool ScriptValue::isEqual(ScriptState* scriptState, const ScriptValue& anotherValue) const

    58 {

    59     if (hasNoValue())

    60         return anotherValue.hasNoValue();

    61 

    62     return JSValueIsEqual(toRef(scriptState), toRef(scriptState, jsValue()), toRef(scriptState, anotherValue.jsValue()), 0);

    63 }

    64 

    65 bool ScriptValue::isNull() const

    66 {

    67     if (!m_value)

    68         return false;

    69     return m_value.get().isNull();

    70 }

    71 

    72 bool ScriptValue::isUndefined() const

    73 {

    74     if (!m_value)

    75         return false;

    76     return m_value.get().isUndefined();

    77 }

    78 

    79 bool ScriptValue::isObject() const

    80 {

    81     if (!m_value)

    82         return false;

    83     return m_value.get().isObject();

    84 }

    85 

    86 PassRefPtr<SerializedScriptValue> ScriptValue::serialize(ScriptState* scriptState)

    87 {

    88     return SerializedScriptValue::create(scriptState, jsValue());

    89 }

    90 

    91 ScriptValue ScriptValue::deserialize(ScriptState* scriptState, SerializedScriptValue* value)

    92 {

    93     return ScriptValue(value->deserialize(scriptState, scriptState->lexicalGlobalObject()));

    94 }

    95 

    96 } // namespace WebCore