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	1	/*
	2	* Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef JSObjectRefPrivate_h
	27	#define JSObjectRefPrivate_h
	28
	29	#include <JavaScriptCore/JSObjectRef.h>
	30
	31	#ifdef __cplusplus
	32	extern "C" {
	33	#endif
	34
	35	/*!
	36	@function
	37	@abstract Sets a private property on an object. This private property cannot be accessed from within JavaScript.
	38	@param ctx The execution context to use.
	39	@param object The JSObject whose private property you want to set.
	40	@param propertyName A JSString containing the property's name.
	41	@param value A JSValue to use as the property's value. This may be NULL.
	42	@result true if object can store private data, otherwise false.
	43	@discussion This API allows you to store JS values directly an object in a way that will be ensure that they are kept alive without exposing them to JavaScript code and without introducing the reference cycles that may occur when using JSValueProtect.
	44
	45	The default object class does not allocate storage for private data. Only objects created with a non-NULL JSClass can store private properties.
	46	*/
	47	JS_EXPORT bool JSObjectSetPrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef value);
	48
	49	/*!
	50	@function
	51	@abstract Gets a private property from an object.
	52	@param ctx The execution context to use.
	53	@param object The JSObject whose private property you want to get.
	54	@param propertyName A JSString containing the property's name.
	55	@result The property's value if object has the property, otherwise NULL.
	56	*/
	57	JS_EXPORT JSValueRef JSObjectGetPrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName);
	58
	59	/*!
	60	@function
	61	@abstract Deletes a private property from an object.
	62	@param ctx The execution context to use.
	63	@param object The JSObject whose private property you want to delete.
	64	@param propertyName A JSString containing the property's name.
	65	@result true if object can store private data, otherwise false.
	66	@discussion The default object class does not allocate storage for private data. Only objects created with a non-NULL JSClass can store private data.
	67	*/
	68	JS_EXPORT bool JSObjectDeletePrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName);
	69
	70	#ifdef __cplusplus
	71	}
	72	#endif
	73
	74	#endif // JSObjectRefPrivate_h