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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*, Structure*);
     32         StringObject(ExecState*, Structure*, const UString&);
     33 
     34         static StringObject* create(ExecState*, JSGlobalObject*, 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         static const JS_EXPORTDATA ClassInfo s_info;
     45 
     46         JSString* internalValue() const { return asString(JSWrapperObject::internalValue());}
     47 
     48         static Structure* createStructure(JSGlobalData& globalData, JSValue prototype)
     49         {
     50             return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
     51         }
     52 
     53     protected:
     54         static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesGetPropertyNames | JSWrapperObject::StructureFlags;
     55         StringObject(JSGlobalData&, Structure*, JSString*);
     56     };
     57 
     58     StringObject* asStringObject(JSValue);
     59 
     60     inline StringObject* asStringObject(JSValue value)
     61     {
     62         ASSERT(asObject(value)->inherits(&StringObject::s_info));
     63         return static_cast<StringObject*>(asObject(value));
     64     }
     65 
     66 } // namespace JSC
     67 
     68 #endif // StringObject_h
     69