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*, NonNullPassRefPtr<Structure>);
  32         StringObject(ExecState*, NonNullPassRefPtr<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         virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&);
  39
  40         virtual void put(ExecState* exec, const Identifier& propertyName, JSValue, PutPropertySlot&);
  41         virtual bool deleteProperty(ExecState*, const Identifier& propertyName);
  42         virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties);
  43
  44         virtual const ClassInfo* classInfo() const { return &info; }
  45         static const JS_EXPORTDATA ClassInfo info;
  46
  47         JSString* internalValue() const { return asString(JSWrapperObject::internalValue());}
  48
  49         static PassRefPtr<Structure> createStructure(JSValue prototype)
  50         {
  51             return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount);
  52         }
  53
  54     protected:
  55         static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesMarkChildren | OverridesGetPropertyNames | JSWrapperObject::StructureFlags;
  56         StringObject(NonNullPassRefPtr<Structure>, JSString*);
  57   };
  58
  59     StringObject* asStringObject(JSValue);
  60
  61     inline StringObject* asStringObject(JSValue value)
  62     {
  63         ASSERT(asObject(value)->inherits(&StringObject::info));
  64         return static_cast<StringObject*>(asObject(value));
  65     }
  66
  67 } // namespace JSC
  68
  69 #endif // StringObject_h