CFCharacterSetPriv.h

/*
 * Copyright (c) 2008-2012 Brent Fulgham <bfulgham@gmail.org>. All rights reserved.
 *
 * This source code is a modified version of the CoreFoundation sources released by Apple Inc. under
 * the terms of the APSL version 2.0 (see below).
 *
 * For information about changes from the original Apple source release can be found by reviewing the
 * source control system for the project at https://sourceforge.net/svn/?group_id=246198.
 *
 * The original license information is as follows:
 * 
 * Copyright (c) 2012 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

/* CFCharacterSetPriv.h
 Copyright (c) 1998-2011, Apple Inc. All rights reserved.
*/

#if !defined(__COREFOUNDATION_CFCHARACTERSETPRIV__)
#define__COREFOUNDATION_CFCHARACTERSETPRIV__ 1

#include<CoreFoundation/CFCharacterSet.h>

CF_EXTERN_C_BEGIN

/*!
 @function CFCharacterSetIsSurrogateHighCharacter
 Reports whether or not the character is a high surrogate.
 @param character The character to be checked.
 @result true, if character is a high surrogate, otherwise false.
*/
CF_INLINEBooleanCFCharacterSetIsSurrogateHighCharacter(UniCharcharacter) {
return ((character >= 0xD800UL) && (character <= 0xDBFFUL) ? true : false);
}

/*!
 @function CFCharacterSetIsSurrogateLowCharacter
 Reports whether or not the character is a low surrogate.
 @param character The character to be checked.
 @result true, if character is a low surrogate, otherwise false.
*/
CF_INLINEBooleanCFCharacterSetIsSurrogateLowCharacter(UniCharcharacter) {
return ((character >= 0xDC00UL) && (character <= 0xDFFFUL) ? true : false);
}

/*!
 @function CFCharacterSetGetLongCharacterForSurrogatePair
 Returns the UTF-32 value corresponding to the surrogate pair passed in.
 @param surrogateHigh The high surrogate character. If this parameter
 is not a valid high surrogate character, the behavior is undefined.
 @param surrogateLow The low surrogate character. If this parameter
 is not a valid low surrogate character, the behavior is undefined.
 @result The UTF-32 value for the surrogate pair.
*/
CF_INLINEUTF32CharCFCharacterSetGetLongCharacterForSurrogatePair(UniCharsurrogateHigh, UniCharsurrogateLow) {
return ((surrogateHigh-0xD800UL) << 10) + (surrogateLow-0xDC00UL) +0x0010000UL;
}

/* Check to see if the character represented by the surrogate pair surrogateHigh & surrogateLow is in the chraracter set */
CF_EXPORTBooleanCFCharacterSetIsSurrogatePairMember(CFCharacterSetReftheSet, UniCharsurrogateHigh, UniCharsurrogateLow) ;

/* Keyed-coding support
*/
enum {
kCFCharacterSetKeyedCodingTypeBitmap=1,
kCFCharacterSetKeyedCodingTypeBuiltin=2,
kCFCharacterSetKeyedCodingTypeRange=3,
kCFCharacterSetKeyedCodingTypeString=4,
kCFCharacterSetKeyedCodingTypeBuiltinAndBitmap=5
};
typedefCFIndexCFCharacterSetKeyedCodingType;

CF_EXPORTCFCharacterSetKeyedCodingType_CFCharacterSetGetKeyedCodingType(CFCharacterSetRefcset);
CF_EXPORTCFCharacterSetPredefinedSet_CFCharacterSetGetKeyedCodingBuiltinType(CFCharacterSetRefcset);
CF_EXPORTCFRange_CFCharacterSetGetKeyedCodingRange(CFCharacterSetRefcset);
CF_EXPORTCFStringRef_CFCharacterSetCreateKeyedCodingString(CFCharacterSetRefcset);
CF_EXPORTbool_CFCharacterSetIsInverted(CFCharacterSetRefcset);
CF_EXPORTvoid_CFCharacterSetSetIsInverted(CFCharacterSetRefcset, boolflag);

CF_EXTERN_C_END

#endif/* ! __COREFOUNDATION_CFCHARACTERSETPRIV__ */