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Commit	Line	Data
	1	/*
	2	* Copyright (C) 2008 Apple Inc. All Rights Reserved.
	3	*
	4	* This library is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU Lesser General Public
	6	* License as published by the Free Software Foundation; either
	7	* version 2 of the License, or (at your option) any later version.
	8	*
	9	* This library is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* Lesser General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU Lesser General Public
	15	* License along with this library; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	17	*
	18	*/
	19
	20	#ifndef RegExpMatchesArray_h
	21	#define RegExpMatchesArray_h
	22
	23	#include "JSArray.h"
	24	#include "JSGlobalObject.h"
	25	#include "RegExpObject.h"
	26
	27	namespace JSC {
	28
	29	class RegExpMatchesArray : public JSArray {
	30	private:
	31	RegExpMatchesArray(VM&, Butterfly, JSGlobalObject, JSString, RegExp, MatchResult);
	32
	33	enum ReifiedState { ReifiedNone, ReifiedMatch, ReifiedAll };
	34
	35	public:
	36	typedef JSArray Base;
	37
	38	static RegExpMatchesArray* create(ExecState, JSString, RegExp*, MatchResult);
	39
	40	JSString* leftContext(ExecState*);
	41	JSString* rightContext(ExecState*);
	42
	43	static const ClassInfo s_info;
	44
	45	static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
	46	{
	47	return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), &s_info, ArrayWithSlowPutArrayStorage);
	48	}
	49
	50	static void visitChildren(JSCell*, SlotVisitor&);
	51
	52	protected:
	53	void finishCreation(VM&);
	54
	55	static const unsigned StructureFlags = OverridesGetOwnPropertySlot \| OverridesVisitChildren \| OverridesGetPropertyNames \| Base::StructureFlags;
	56
	57	private:
	58	ALWAYS_INLINE void reifyAllPropertiesIfNecessary(ExecState* exec)
	59	{
	60	if (m_state != ReifiedAll)
	61	reifyAllProperties(exec);
	62	}
	63
	64	ALWAYS_INLINE void reifyMatchPropertyIfNecessary(ExecState* exec)
	65	{
	66	if (m_state == ReifiedNone)
	67	reifyMatchProperty(exec);
	68	}
	69
	70	static bool getOwnPropertySlot(JSCell* cell, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
	71	{
	72	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(cell);
	73	thisObject->reifyAllPropertiesIfNecessary(exec);
	74	return JSArray::getOwnPropertySlot(thisObject, exec, propertyName, slot);
	75	}
	76
	77	static bool getOwnPropertySlotByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot)
	78	{
	79	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(cell);
	80	if (propertyName)
	81	thisObject->reifyAllPropertiesIfNecessary(exec);
	82	else
	83	thisObject->reifyMatchPropertyIfNecessary(exec);
	84	return JSArray::getOwnPropertySlotByIndex(thisObject, exec, propertyName, slot);
	85	}
	86
	87	static bool getOwnPropertyDescriptor(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor)
	88	{
	89	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(object);
	90	thisObject->reifyAllPropertiesIfNecessary(exec);
	91	return JSArray::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
	92	}
	93
	94	static void put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue v, PutPropertySlot& slot)
	95	{
	96	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(cell);
	97	thisObject->reifyAllPropertiesIfNecessary(exec);
	98	JSArray::put(thisObject, exec, propertyName, v, slot);
	99	}
	100
	101	static void putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue v, bool shouldThrow)
	102	{
	103	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(cell);
	104	thisObject->reifyAllPropertiesIfNecessary(exec);
	105	JSArray::putByIndex(thisObject, exec, propertyName, v, shouldThrow);
	106	}
	107
	108	static bool deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
	109	{
	110	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(cell);
	111	thisObject->reifyAllPropertiesIfNecessary(exec);
	112	return JSArray::deleteProperty(thisObject, exec, propertyName);
	113	}
	114
	115	static bool deletePropertyByIndex(JSCell* cell, ExecState* exec, unsigned propertyName)
	116	{
	117	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(cell);
	118	thisObject->reifyAllPropertiesIfNecessary(exec);
	119	return JSArray::deletePropertyByIndex(thisObject, exec, propertyName);
	120	}
	121
	122	static void getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& arr, EnumerationMode mode = ExcludeDontEnumProperties)
	123	{
	124	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(object);
	125	thisObject->reifyAllPropertiesIfNecessary(exec);
	126	JSArray::getOwnPropertyNames(thisObject, exec, arr, mode);
	127	}
	128
	129	static bool defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor, bool shouldThrow)
	130	{
	131	RegExpMatchesArray* thisObject = jsCast<RegExpMatchesArray*>(object);
	132	thisObject->reifyAllPropertiesIfNecessary(exec);
	133	return JSArray::defineOwnProperty(object, exec, propertyName, descriptor, shouldThrow);
	134	}
	135
	136	void reifyAllProperties(ExecState*);
	137	void reifyMatchProperty(ExecState*);
	138
	139	WriteBarrier<JSString> m_input;
	140	WriteBarrier<RegExp> m_regExp;
	141	MatchResult m_result;
	142	ReifiedState m_state;
	143	};
	144
	145	}
	146
	147	#endif // RegExpMatchesArray_h