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      1 /*
      2  * Copyright (C) 2003, 2008 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 COMPUTER, 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 COMPUTER, 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 RUNTIME_ARRAY_H_
     27 #define RUNTIME_ARRAY_H_
     28 
     29 #include "Bridge.h"
     30 #include <runtime/JSGlobalObject.h>
     31 
     32 namespace JSC {
     33 
     34 class RuntimeArray : public JSObject {
     35 public:
     36     RuntimeArray(ExecState*, Bindings::Array*);
     37 
     38     virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties);
     39     virtual bool getOwnPropertySlot(ExecState *, const Identifier&, PropertySlot&);
     40     virtual bool getOwnPropertySlot(ExecState *, unsigned, PropertySlot&);
     41     virtual bool getOwnPropertyDescriptor(ExecState *, const Identifier&, PropertyDescriptor&);
     42     virtual void put(ExecState*, const Identifier& propertyName, JSValue, PutPropertySlot&);
     43     virtual void put(ExecState*, unsigned propertyName, JSValue);
     44 
     45     virtual bool deleteProperty(ExecState *exec, const Identifier &propertyName);
     46     virtual bool deleteProperty(ExecState *exec, unsigned propertyName);
     47 
     48     virtual const ClassInfo *classInfo() const { return &s_info; }
     49 
     50     unsigned getLength() const { return getConcreteArray()->getLength(); }
     51 
     52     Bindings::Array *getConcreteArray() const { return _array.get(); }
     53 
     54     static const ClassInfo s_info;
     55 
     56     static ArrayPrototype* createPrototype(ExecState*, JSGlobalObject* globalObject)
     57     {
     58         return globalObject->arrayPrototype();
     59     }
     60 
     61     static PassRefPtr<Structure> createStructure(JSValue prototype)
     62     {
     63         return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount);
     64     }
     65 
     66 private:
     67     static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesGetPropertyNames | JSObject::StructureFlags;
     68     static JSValue lengthGetter(ExecState*, const Identifier&, const PropertySlot&);
     69     static JSValue indexGetter(ExecState*, const Identifier&, const PropertySlot&);
     70 
     71     OwnPtr<Bindings::Array> _array;
     72 };
     73 
     74 } // namespace JSC
     75 
     76 #endif // RUNTIME_ARRAY_H_
     77