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      1 /*
      2  *  Copyright (C) 1999-2000 Harri Porten (porten (at) 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
     70