// -*- c-basic-offset: 2 -*-
/*
 *  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 STRING_OBJECT_H_
#define STRING_OBJECT_H_

#include "FunctionPrototype.h"
#include "JSWrapperObject.h"
#include "JSString.h"
#include "lookup.h"

namespace KJS {

  class StringObject : public JSWrapperObject {
  public:
    StringObject(ExecState*, JSObject* prototype);
    StringObject(ExecState*, JSObject* prototype, const UString&);

    static StringObject* create(ExecState*, JSString*);

    virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
    virtual bool getOwnPropertySlot(ExecState*, unsigned propertyName, PropertySlot&);

    virtual void put(ExecState* exec, const Identifier& propertyName, JSValue*);
    virtual bool deleteProperty(ExecState*, const Identifier& propertyName);
    virtual void getPropertyNames(ExecState*, PropertyNameArray&);

    virtual const ClassInfo* classInfo() const { return &info; }
    static const ClassInfo info;

    JSString* internalValue() const { return static_cast<JSString*>(JSWrapperObject::internalValue());}

  protected:
    StringObject(JSObject* prototype, JSString*);

  private:
    virtual UString toString(ExecState*) const;
    virtual UString toThisString(ExecState*) const;
    virtual JSString* toThisJSString(ExecState*);
  };

  // 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; }
  };

  /**
   * @internal
   *
   * The initial value of String.prototype (and thus all objects created
   * with the String constructor
   */
  class StringPrototype : public StringObject {
  public:
    StringPrototype(ExecState *exec,
                       ObjectPrototype *objProto);
    virtual bool getOwnPropertySlot(ExecState *, const Identifier&, PropertySlot&);
    virtual const ClassInfo *classInfo() const { return &info; }
    static const ClassInfo info;
  };

  /**
   * @internal
   *
   * The initial value of the the global variable's "String" property
   */
  class StringConstructor : public InternalFunction {
  public:
    StringConstructor(ExecState*, FunctionPrototype*, StringPrototype*);
    virtual ConstructType getConstructData(ConstructData&);
    virtual CallType getCallData(CallData&);
  };

  /**
   * @internal
   *
   * Class to implement all methods that are properties of the
   * String object
   */
  class StringConstructorFunction : public InternalFunction {
  public:
    StringConstructorFunction(ExecState*, FunctionPrototype*, const Identifier&);
    virtual CallType getCallData(CallData&);
  };

} // namespace

#endif