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Commit	Line	Data
	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	typedef JSWrapperObject Base;
	32
	33	static StringObject* create(VM& vm, Structure* structure)
	34	{
	35	JSString* string = jsEmptyString(&vm);
	36	StringObject* object = new (NotNull, allocateCell<StringObject>(vm.heap)) StringObject(vm, structure);
	37	object->finishCreation(vm, string);
	38	return object;
	39	}
	40	static StringObject* create(VM& vm, Structure* structure, JSString* string)
	41	{
	42	StringObject* object = new (NotNull, allocateCell<StringObject>(vm.heap)) StringObject(vm, structure);
	43	object->finishCreation(vm, string);
	44	return object;
	45	}
	46	static StringObject* create(VM&, JSGlobalObject, JSString);
	47
	48	static bool getOwnPropertySlot(JSObject, ExecState, PropertyName, PropertySlot&);
	49	static bool getOwnPropertySlotByIndex(JSObject, ExecState, unsigned propertyName, PropertySlot&);
	50
	51	static void put(JSCell, ExecState, PropertyName, JSValue, PutPropertySlot&);
	52	static void putByIndex(JSCell, ExecState, unsigned propertyName, JSValue, bool shouldThrow);
	53
	54	static bool deleteProperty(JSCell, ExecState, PropertyName);
	55	static bool deletePropertyByIndex(JSCell, ExecState, unsigned propertyName);
	56	static void getOwnPropertyNames(JSObject, ExecState, PropertyNameArray&, EnumerationMode);
	57	static bool defineOwnProperty(JSObject, ExecState, PropertyName, const PropertyDescriptor&, bool shouldThrow);
	58
	59	DECLARE_EXPORT_INFO;
	60
	61	JSString* internalValue() const { return asString(JSWrapperObject::internalValue());}
	62
	63	static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
	64	{
	65	return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
	66	}
	67
	68	protected:
	69	JS_EXPORT_PRIVATE void finishCreation(VM&, JSString*);
	70	static const unsigned StructureFlags = OverridesGetOwnPropertySlot \| InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero \| OverridesGetPropertyNames \| JSWrapperObject::StructureFlags;
	71	JS_EXPORT_PRIVATE StringObject(VM&, Structure*);
	72	};
	73
	74	StringObject* asStringObject(JSValue);
	75
	76	inline StringObject* asStringObject(JSValue value)
	77	{
	78	ASSERT(asObject(value)->inherits(StringObject::info()));
	79	return static_cast<StringObject*>(asObject(value));
	80	}
	81
	82	JS_EXPORT_PRIVATE StringObject* constructString(VM&, JSGlobalObject*, JSValue);
	83
	84	} // namespace JSC
	85
	86	#endif // StringObject_h