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/*
* Copyright (C) 2008 Apple 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
* 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 "JSStorage.h"
#include "Storage.h"
#include <runtime/PropertyNameArray.h>
#include <wtf/text/WTFString.h>
using namespace JSC;
namespace WebCore {
bool JSStorage::canGetItemsForName(ExecState* exec, Storage* impl, PropertyName propertyName)
{
ExceptionCode ec = 0;
bool result = impl->contains(propertyNameToString(propertyName), ec);
setDOMException(exec, ec);
return result;
}
JSValue JSStorage::nameGetter(ExecState* exec, JSValue slotBase, PropertyName propertyName)
{
JSStorage* thisObj = jsCast<JSStorage*>(asObject(slotBase));
JSValue prototype = asObject(slotBase)->prototype();
if (prototype.isObject() && asObject(prototype)->hasProperty(exec, propertyName))
return asObject(prototype)->get(exec, propertyName);
ExceptionCode ec = 0;
JSValue result = jsStringOrNull(exec, thisObj->impl()->getItem(propertyNameToString(propertyName), ec));
setDOMException(exec, ec);
return result;
}
bool JSStorage::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
JSStorage* thisObject = jsCast<JSStorage*>(cell);
// Only perform the custom delete if the object doesn't have a native property by this name.
// Since hasProperty() would end up calling canGetItemsForName() and be fooled, we need to check
// the native property slots manually.
PropertySlot slot;
if (getStaticValueSlot<JSStorage, Base>(exec, s_info.propHashTable(exec), thisObject, propertyName, slot))
return false;
JSValue prototype = thisObject->prototype();
if (prototype.isObject() && asObject(prototype)->hasProperty(exec, propertyName))
return false;
ExceptionCode ec = 0;
thisObject->m_impl->removeItem(propertyNameToString(propertyName), ec);
setDOMException(exec, ec);
return true;
}
bool JSStorage::deletePropertyByIndex(JSCell* cell, ExecState* exec, unsigned propertyName)
{
return deleteProperty(cell, exec, Identifier::from(exec, propertyName));
}
void JSStorage::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
JSStorage* thisObject = jsCast<JSStorage*>(object);
ExceptionCode ec = 0;
unsigned length = thisObject->m_impl->length(ec);
setDOMException(exec, ec);
if (exec->hadException())
return;
for (unsigned i = 0; i < length; ++i) {
propertyNames.add(Identifier(exec, thisObject->m_impl->key(i, ec)));
setDOMException(exec, ec);
if (exec->hadException())
return;
}
Base::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}
bool JSStorage::putDelegate(ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot&)
{
// Only perform the custom put if the object doesn't have a native property by this name.
// Since hasProperty() would end up calling canGetItemsForName() and be fooled, we need to check
// the native property slots manually.
PropertySlot slot;
if (getStaticValueSlot<JSStorage, Base>(exec, s_info.propHashTable(exec), this, propertyName, slot))
return false;
JSValue prototype = this->prototype();
if (prototype.isObject() && asObject(prototype)->hasProperty(exec, propertyName))
return false;
String stringValue = value.toString(exec)->value(exec);
if (exec->hadException())
return true;
ExceptionCode ec = 0;
impl()->setItem(propertyNameToString(propertyName), stringValue, ec);
setDOMException(exec, ec);
return true;
}
} // namespace WebCore
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