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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef StringObjectThatMasqueradesAsUndefined_h
#define StringObjectThatMasqueradesAsUndefined_h
#include "JSGlobalObject.h"
#include "StringObject.h"
#include "UString.h"
namespace JSC {
// WebCore uses this to make style.filter undetectable
class StringObjectThatMasqueradesAsUndefined : public StringObject {
public:
static StringObjectThatMasqueradesAsUndefined* create(ExecState* exec, const UString& string)
{
return new (exec) StringObjectThatMasqueradesAsUndefined(exec,
createStructure(exec->globalData(), exec->lexicalGlobalObject()->stringPrototype()), string);
}
private:
StringObjectThatMasqueradesAsUndefined(ExecState* exec, NonNullPassRefPtr<Structure> structure, const UString& string)
: StringObject(exec, structure, string)
{
}
static PassRefPtr<Structure> createStructure(JSGlobalData& globalData, JSValue proto)
{
return Structure::create(globalData, proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
}
static const unsigned StructureFlags = OverridesGetOwnPropertySlot | MasqueradesAsUndefined | OverridesGetPropertyNames | StringObject::StructureFlags;
virtual bool toBoolean(ExecState*) const { return false; }
};
} // namespace JSC
#endif // StringObjectThatMasqueradesAsUndefined_h
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