source: webkit/trunk/JavaScriptCore/kjs/StringObjectThatMasqueradesAsUndefined.h@ 34946

/*
 *  Copyright (C) 1999-2000 Harri Porten ([email protected])
 *  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 "StringObject.h"
#include "ustring.h"

namespace KJS {

  // WebCore uses this to make style.filter undetectable
  class StringObjectThatMasqueradesAsUndefined : public StringObject {
  public:
      StringObjectThatMasqueradesAsUndefined(ExecState* exec, JSObject* proto, const UString& string)
          : StringObject(exec, proto, string) { }
      virtual bool masqueradeAsUndefined() const { return true; }
      virtual bool toBoolean(ExecState*) const { return false; }
  };
 
} // namespace KJS

#endif // StringObjectThatMasqueradesAsUndefined_h