[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 <sys/cdefs.h>
#include <machine/ansi.h>

#ifndef	_BSD_SIZE_T_DEFINED_
#define _BSD_SIZE_T_DEFINED_
typedef	_BSD_SIZE_T_	size_t;
#endif

#ifndef	_BSD_CT_RUNE_T_DEFINED_
#define _BSD_CT_RUNE_T_DEFINED_
typedef	_BSD_CT_RUNE_T_	ct_rune_t;
#endif

#ifndef	_BSD_RUNE_T_DEFINED_
#define _BSD_RUNE_T_DEFINED_
typedef	_BSD_RUNE_T_	rune_t;
#endif

#ifndef	__cplusplus
#ifndef	_BSD_WCHAR_T_DEFINED_
#define	_BSD_WCHAR_T_DEFINED_
#ifdef	__WCHAR_TYPE__
typedef	__WCHAR_TYPE__	wchar_t;
#else	/* ! __WCHAR_TYPE__ */
typedef	_BSD_WCHAR_T_	wchar_t;
#endif	/* __WCHAR_TYPE__ */
#endif	/* _BSD_WCHAR_T_DEFINED_ */
#endif	/* __cplusplus */

#ifndef	_BSD_WINT_T_DEFINED_
#define _BSD_WINT_T_DEFINED_
typedef	_BSD_WINT_T_	wint_t;
#endif

#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 {
	rune_t		min;		/* First rune of the range */
	rune_t		max;		/* Last rune (inclusive) of the range */
	rune_t		map;		/* What first maps to in maps */
	unsigned long	*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		magic[8];	/* Magic saying what version we are */
	char		encoding[32];	/* ASCII name of this encoding */

	rune_t		(*sgetrune)
	   (const char *, size_t, char const **);
	int		(*sputrune)
	   (rune_t, char *, size_t, char **);
	rune_t		invalid_rune;

	unsigned long	runetype[_CACHED_RUNES];
	rune_t		maplower[_CACHED_RUNES];
	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 */
} _RuneLocale;

#define	_RUNE_MAGIC_1	"RuneMagi"	/* Indicates version 0 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
	42	#include <sys/cdefs.h>
	43	#include <machine/ansi.h>
	44
5b2abdfb A	45	#ifndef _BSD_SIZE_T_DEFINED_
	46	#define _BSD_SIZE_T_DEFINED_
	47	typedef _BSD_SIZE_T_ size_t;
	48	#endif
	49
9385eb3d A	50	#ifndef _BSD_CT_RUNE_T_DEFINED_
	51	#define _BSD_CT_RUNE_T_DEFINED_
	52	typedef _BSD_CT_RUNE_T_ ct_rune_t;
	53	#endif
	54
	55	#ifndef _BSD_RUNE_T_DEFINED_
	56	#define _BSD_RUNE_T_DEFINED_
	57	typedef _BSD_RUNE_T_ rune_t;
	58	#endif
	59
	60	#ifndef __cplusplus
5b2abdfb	61	#ifndef _BSD_WCHAR_T_DEFINED_
9385eb3d A	62	#define _BSD_WCHAR_T_DEFINED_
	63	#ifdef __WCHAR_TYPE__
	64	typedef __WCHAR_TYPE__ wchar_t;
	65	#else /* ! __WCHAR_TYPE__ */
5b2abdfb	66	typedef _BSD_WCHAR_T_ wchar_t;
9385eb3d A	67	#endif /* __WCHAR_TYPE__ */
	68	#endif /* _BSD_WCHAR_T_DEFINED_ */
	69	#endif /* __cplusplus */
	70
	71	#ifndef _BSD_WINT_T_DEFINED_
	72	#define _BSD_WINT_T_DEFINED_
	73	typedef _BSD_WINT_T_ wint_t;
5b2abdfb A	74	#endif
	75
	76	#define _CACHED_RUNES (1 <<8 ) /* Must be a power of 2 */
	77	#define _CRMASK (~(_CACHED_RUNES - 1))
	78
	79	/*
	80	* The lower 8 bits of runetype[] contain the digit value of the rune.
	81	*/
	82	typedef struct {
	83	rune_t min; /* First rune of the range */
	84	rune_t max; /* Last rune (inclusive) of the range */
	85	rune_t map; /* What first maps to in maps */
	86	unsigned long types; / Array of types in range */
	87	} _RuneEntry;
	88
	89	typedef struct {
	90	int nranges; /* Number of ranges stored */
	91	_RuneEntry ranges; / Pointer to the ranges */
	92	} _RuneRange;
	93
	94	typedef struct {
	95	char magic[8]; /* Magic saying what version we are */
	96	char encoding[32]; /* ASCII name of this encoding */
	97
	98	rune_t (*sgetrune)
9385eb3d	99	(const char , size_t, char const *);
5b2abdfb	100	int (*sputrune)
9385eb3d	101	(rune_t, char , size_t, char *);
5b2abdfb A	102	rune_t invalid_rune;
	103
	104	unsigned long runetype[_CACHED_RUNES];
	105	rune_t maplower[_CACHED_RUNES];
	106	rune_t mapupper[_CACHED_RUNES];
	107
	108	/*
	109	* The following are to deal with Runes larger than _CACHED_RUNES - 1.
	110	* Their data is actually contiguous with this structure so as to make
	111	* it easier to read/write from/to disk.
	112	*/
	113	_RuneRange runetype_ext;
	114	_RuneRange maplower_ext;
	115	_RuneRange mapupper_ext;
	116
	117	void variable; / Data which depends on the encoding */
	118	int variable_len; /* how long that data is */
	119	} _RuneLocale;
	120
	121	#define _RUNE_MAGIC_1 "RuneMagi" /* Indicates version 0 of RuneLocale */
	122
9385eb3d	123	__BEGIN_DECLS
5b2abdfb A	124	extern _RuneLocale _DefaultRuneLocale;
5b2abdfb A	125	extern _RuneLocale *_CurrentRuneLocale;
9385eb3d	126	__END_DECLS
e9ce8d39	127
5b2abdfb	128	#endif /* !_RUNETYPE_H_ */