runtime/JSONObject.h

   1 /*
   2  * Copyright (C) 2009 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef JSONObject_h
  27 #define JSONObject_h
  28
  29 #include "JSObject.h"
  30
  31 namespace JSC {
  32
  33     class Stringifier;
  34
  35     class JSONObject : public JSObject {
  36     public:
  37         JSONObject(NonNullPassRefPtr<Structure> structure)
  38             : JSObject(structure)
  39         {
  40         }
  41
  42         static PassRefPtr<Structure> createStructure(JSValue prototype)
  43         {
  44             return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount);
  45         }
  46
  47         static void markStringifiers(MarkStack&, Stringifier*);
  48
  49     protected:
  50         static const unsigned StructureFlags = OverridesGetOwnPropertySlot | JSObject::StructureFlags;
  51
  52     private:
  53         virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
  54         virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&);
  55
  56         virtual const ClassInfo* classInfo() const { return &info; }
  57         static const ClassInfo info;
  58     };
  59
  60     UString JSONStringify(ExecState* exec, JSValue value, unsigned indent);
  61
  62 } // namespace JSC
  63
  64 #endif // JSONObject_h