[apple/libc.git] / include / runetype.h

/*-
 * Copyright (c) 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Paul Borman at Krystal Technologies.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)runetype.h	8.1 (Berkeley) 6/2/93
 */

#ifndef	_RUNETYPE_H_
#define	_RUNETYPE_H_

#include <_types.h>

#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

#include <sys/_types/_size_t.h>
#include <sys/_types/_ct_rune_t.h>
#include <sys/_types/_rune_t.h>
#include <sys/_types/_wchar_t.h>
#include <sys/_types/_wint_t.h>

#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

#define	_CACHED_RUNES	(1 <<8 )	/* Must be a power of 2 */
#define	_CRMASK		(~(_CACHED_RUNES - 1))

/*
 * The lower 8 bits of runetype[] contain the digit value of the rune.
 */
typedef struct {
	__darwin_rune_t	__min;		/* First rune of the range */
	__darwin_rune_t	__max;		/* Last rune (inclusive) of the range */
	__darwin_rune_t	__map;		/* What first maps to in maps */
	__uint32_t	*__types;	/* Array of types in range */
} _RuneEntry;

typedef struct {
	int		__nranges;	/* Number of ranges stored */
	_RuneEntry	*__ranges;	/* Pointer to the ranges */
} _RuneRange;

typedef struct {
	char		__name[14];	/* CHARCLASS_NAME_MAX = 14 */
	__uint32_t	__mask;		/* charclass mask */
} _RuneCharClass;

typedef struct {
	char		__magic[8];	/* Magic saying what version we are */
	char		__encoding[32];	/* ASCII name of this encoding */

	__darwin_rune_t	(*__sgetrune)(const char *, __darwin_size_t, char const **);
	int		(*__sputrune)(__darwin_rune_t, char *, __darwin_size_t, char **);
	__darwin_rune_t	__invalid_rune;

	__uint32_t	__runetype[_CACHED_RUNES];
	__darwin_rune_t	__maplower[_CACHED_RUNES];
	__darwin_rune_t	__mapupper[_CACHED_RUNES];

	/*
	 * The following are to deal with Runes larger than _CACHED_RUNES - 1.
	 * Their data is actually contiguous with this structure so as to make
	 * it easier to read/write from/to disk.
	 */
	_RuneRange	__runetype_ext;
	_RuneRange	__maplower_ext;
	_RuneRange	__mapupper_ext;

	void		*__variable;	/* Data which depends on the encoding */
	int		__variable_len;	/* how long that data is */

	/*
	 * extra fields to deal with arbitrary character classes
	 */
	int		__ncharclasses;
	_RuneCharClass	*__charclasses;
} _RuneLocale;

#define	_RUNE_MAGIC_A	"RuneMagA"	/* Indicates version A of RuneLocale */

__BEGIN_DECLS
extern _RuneLocale _DefaultRuneLocale;
extern _RuneLocale *_CurrentRuneLocale;
__END_DECLS

#endif	/* !_RUNETYPE_H_ */
Commit	Line	Data
5b2abdfb	1	/*-
e9ce8d39 A	2	* Copyright (c) 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* This code is derived from software contributed to Berkeley by
	6	* Paul Borman at Krystal Technologies.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 3. All advertising materials mentioning features or use of this software
	17	* must display the following acknowledgement:
	18	* This product includes software developed by the University of
	19	* California, Berkeley and its contributors.
	20	* 4. Neither the name of the University nor the names of its contributors
	21	* may be used to endorse or promote products derived from this software
	22	* without specific prior written permission.
	23	*
	24	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	25	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	26	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	27	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	28	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	29	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	30	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	31	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	32	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	33	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	34	* SUCH DAMAGE.
5b2abdfb A	35	*
5b2abdfb A	36	* @(#)runetype.h 8.1 (Berkeley) 6/2/93
e9ce8d39 A	37	*/
e9ce8d39 A	38
5b2abdfb A	39	#ifndef _RUNETYPE_H_
	40	#define _RUNETYPE_H_
	41
59e0d9fe	42	#include <_types.h>
5b2abdfb	43
224c7076	44	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
3d9156a7	45
6465356a A	46	#include <sys/_types/_size_t.h>
	47	#include <sys/_types/_ct_rune_t.h>
	48	#include <sys/_types/_rune_t.h>
	49	#include <sys/_types/_wchar_t.h>
	50	#include <sys/_types/_wint_t.h>
5b2abdfb	51
224c7076	52	#endif /* (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
3d9156a7	53
5b2abdfb A	54	#define _CACHED_RUNES (1 <<8 ) /* Must be a power of 2 */
	55	#define _CRMASK (~(_CACHED_RUNES - 1))
	56
	57	/*
	58	* The lower 8 bits of runetype[] contain the digit value of the rune.
	59	*/
	60	typedef struct {
3d9156a7 A	61	__darwin_rune_t __min; /* First rune of the range */
	62	__darwin_rune_t __max; /* Last rune (inclusive) of the range */
	63	__darwin_rune_t __map; /* What first maps to in maps */
	64	__uint32_t __types; / Array of types in range */
5b2abdfb A	65	} _RuneEntry;
	66
	67	typedef struct {
3d9156a7 A	68	int __nranges; /* Number of ranges stored */
3d9156a7 A	69	_RuneEntry __ranges; / Pointer to the ranges */
5b2abdfb A	70	} _RuneRange;
5b2abdfb A	71
224c7076 A	72	typedef struct {
	73	char __name[14]; /* CHARCLASS_NAME_MAX = 14 */
	74	__uint32_t __mask; /* charclass mask */
	75	} _RuneCharClass;
	76
5b2abdfb	77	typedef struct {
3d9156a7 A	78	char __magic[8]; /* Magic saying what version we are */
3d9156a7 A	79	char __encoding[32]; /* ASCII name of this encoding */
5b2abdfb	80
3d9156a7 A	81	__darwin_rune_t (__sgetrune)(const char , __darwin_size_t, char const **);
	82	int (__sputrune)(__darwin_rune_t, char , __darwin_size_t, char **);
	83	__darwin_rune_t __invalid_rune;
5b2abdfb	84
3d9156a7 A	85	__uint32_t __runetype[_CACHED_RUNES];
	86	__darwin_rune_t __maplower[_CACHED_RUNES];
	87	__darwin_rune_t __mapupper[_CACHED_RUNES];
5b2abdfb A	88
	89	/*
	90	* The following are to deal with Runes larger than _CACHED_RUNES - 1.
	91	* Their data is actually contiguous with this structure so as to make
	92	* it easier to read/write from/to disk.
	93	*/
3d9156a7 A	94	_RuneRange __runetype_ext;
	95	_RuneRange __maplower_ext;
	96	_RuneRange __mapupper_ext;
5b2abdfb	97
3d9156a7 A	98	void __variable; / Data which depends on the encoding */
3d9156a7 A	99	int __variable_len; /* how long that data is */
224c7076 A	100
	101	/*
	102	* extra fields to deal with arbitrary character classes
	103	*/
	104	int __ncharclasses;
	105	_RuneCharClass *__charclasses;
5b2abdfb A	106	} _RuneLocale;
5b2abdfb A	107
224c7076	108	#define _RUNE_MAGIC_A "RuneMagA" /* Indicates version A of RuneLocale */
5b2abdfb	109
9385eb3d	110	__BEGIN_DECLS
5b2abdfb A	111	extern _RuneLocale _DefaultRuneLocale;
5b2abdfb A	112	extern _RuneLocale *_CurrentRuneLocale;
9385eb3d	113	__END_DECLS
e9ce8d39	114
5b2abdfb	115	#endif /* !_RUNETYPE_H_ */