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 = 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 97