runtime/StringObject.h

   1 /*
   2  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
   3  *  Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
   4  *
   5  *  This library is free software; you can redistribute it and/or
   6  *  modify it under the terms of the GNU Lesser General Public
   7  *  License as published by the Free Software Foundation; either
   8  *  version 2 of the License, or (at your option) any later version.
   9  *
  10  *  This library is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *  Lesser General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU Lesser General Public
  16  *  License along with this library; if not, write to the Free Software
  17  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  */
  20
  21 #ifndef StringObject_h
  22 #define StringObject_h
  23
  24 #include "JSWrapperObject.h"
  25 #include "JSString.h"
  26
  27 namespace JSC {
  28
  29     class StringObject : public JSWrapperObject {
  30     public:
  31         StringObject(ExecState*, PassRefPtr<Structure>);
  32         StringObject(ExecState*, PassRefPtr<Structure>, const UString&);
  33
  34         static StringObject* create(ExecState*, JSString*);
  35
  36         virtual bool getOwnPropertySlot(ExecState*, const Identifier& propertyName, PropertySlot&);
  37         virtual bool getOwnPropertySlot(ExecState*, unsigned propertyName, PropertySlot&);
  38
  39         virtual void put(ExecState* exec, const Identifier& propertyName, JSValuePtr, PutPropertySlot&);
  40         virtual bool deleteProperty(ExecState*, const Identifier& propertyName);
  41         virtual void getPropertyNames(ExecState*, PropertyNameArray&);
  42
  43         virtual const ClassInfo* classInfo() const { return &info; }
  44         static const ClassInfo info;
  45
  46         JSString* internalValue() const { return asString(JSWrapperObject::internalValue());}
  47
  48         static PassRefPtr<Structure> createStructure(JSValuePtr prototype)
  49         {
  50             return Structure::create(prototype, TypeInfo(ObjectType));
  51         }
  52
  53     protected:
  54         StringObject(PassRefPtr<Structure>, JSString*);
  55
  56     private:
  57         virtual UString toString(ExecState*) const;
  58         virtual UString toThisString(ExecState*) const;
  59         virtual JSString* toThisJSString(ExecState*);
  60   };
  61
  62     StringObject* asStringObject(JSValuePtr);
  63
  64     inline StringObject* asStringObject(JSValuePtr value)
  65     {
  66         ASSERT(asObject(value)->inherits(&StringObject::info));
  67         return static_cast<StringObject*>(asObject(value));
  68     }
  69
  70 } // namespace JSC
  71
  72 #endif // StringObject_h