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/*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (c) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ScriptValue.h"
#include "InspectorValues.h"
#include "SerializedScriptValue.h"
#include <JavaScriptCore/APICast.h>
#include <JavaScriptCore/JSValueRef.h>
#include <heap/Strong.h>
#include <runtime/JSLock.h>
#include <runtime/UString.h>
using namespace JSC;
namespace WebCore {
bool ScriptValue::getString(ScriptState* scriptState, String& result) const
{
if (!m_value)
return false;
JSLock lock(SilenceAssertionsOnly);
UString ustring;
if (!m_value.get().getString(scriptState, ustring))
return false;
result = ustringToString(ustring);
return true;
}
String ScriptValue::toString(ScriptState* scriptState) const
{
String result = ustringToString(m_value.get().toString(scriptState));
// Handle the case where an exception is thrown as part of invoking toString on the object.
if (scriptState->hadException())
scriptState->clearException();
return result;
}
bool ScriptValue::isEqual(ScriptState* scriptState, const ScriptValue& anotherValue) const
{
if (hasNoValue())
return anotherValue.hasNoValue();
return JSValueIsEqual(toRef(scriptState), toRef(scriptState, jsValue()), toRef(scriptState, anotherValue.jsValue()), 0);
}
bool ScriptValue::isNull() const
{
if (!m_value)
return false;
return m_value.get().isNull();
}
bool ScriptValue::isUndefined() const
{
if (!m_value)
return false;
return m_value.get().isUndefined();
}
bool ScriptValue::isObject() const
{
if (!m_value)
return false;
return m_value.get().isObject();
}
bool ScriptValue::isFunction() const
{
CallData callData;
return getCallData(m_value.get(), callData) != CallTypeNone;
}
PassRefPtr<SerializedScriptValue> ScriptValue::serialize(ScriptState* scriptState, SerializationErrorMode throwExceptions)
{
return SerializedScriptValue::create(scriptState, jsValue(), throwExceptions);
}
ScriptValue ScriptValue::deserialize(ScriptState* scriptState, SerializedScriptValue* value, SerializationErrorMode throwExceptions)
{
return ScriptValue(scriptState->globalData(), value->deserialize(scriptState, scriptState->lexicalGlobalObject(), throwExceptions));
}
#if ENABLE(INSPECTOR)
static PassRefPtr<InspectorValue> jsToInspectorValue(ScriptState* scriptState, JSValue value)
{
if (!value) {
ASSERT_NOT_REACHED();
return 0;
}
if (value.isNull() || value.isUndefined())
return InspectorValue::null();
if (value.isBoolean())
return InspectorBasicValue::create(value.getBoolean());
if (value.isNumber())
return InspectorBasicValue::create(value.uncheckedGetNumber());
if (value.isString()) {
UString s = value.getString(scriptState);
return InspectorString::create(String(s.characters(), s.length()));
}
if (value.isObject()) {
if (isJSArray(&scriptState->globalData(), value)) {
RefPtr<InspectorArray> inspectorArray = InspectorArray::create();
JSArray* array = asArray(value);
unsigned length = array->length();
for (unsigned i = 0; i < length; i++) {
JSValue element = array->getIndex(i);
RefPtr<InspectorValue> elementValue = jsToInspectorValue(scriptState, element);
if (!elementValue) {
ASSERT_NOT_REACHED();
elementValue = InspectorValue::null();
}
inspectorArray->pushValue(elementValue);
}
return inspectorArray;
}
RefPtr<InspectorObject> inspectorObject = InspectorObject::create();
JSObject* object = value.getObject();
PropertyNameArray propertyNames(scriptState);
object->getOwnPropertyNames(scriptState, propertyNames);
for (size_t i = 0; i < propertyNames.size(); i++) {
const Identifier& name = propertyNames[i];
JSValue propertyValue = object->get(scriptState, name);
RefPtr<InspectorValue> inspectorValue = jsToInspectorValue(scriptState, propertyValue);
if (!inspectorValue) {
ASSERT_NOT_REACHED();
inspectorValue = InspectorValue::null();
}
inspectorObject->setValue(String(name.characters(), name.length()), inspectorValue);
}
return inspectorObject;
}
ASSERT_NOT_REACHED();
return 0;
}
PassRefPtr<InspectorValue> ScriptValue::toInspectorValue(ScriptState* scriptState) const
{
return jsToInspectorValue(scriptState, m_value.get());
}
#endif // ENABLE(INSPECTOR)
} // namespace WebCore
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