1/*-
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.
35 *
36 *	@(#)runetype.h	8.1 (Berkeley) 6/2/93
37 */
38
39#ifndef	_RUNETYPE_H_
40#define	_RUNETYPE_H_
41
42#include <_types.h>
43
44#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
45
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>
51
52#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
53
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 */
60typedef struct {
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 */
65} _RuneEntry;
66
67typedef struct {
68	int		__nranges;	/* Number of ranges stored */
69	_RuneEntry	*__ranges;	/* Pointer to the ranges */
70} _RuneRange;
71
72typedef struct {
73	char		__name[14];	/* CHARCLASS_NAME_MAX = 14 */
74	__uint32_t	__mask;		/* charclass mask */
75} _RuneCharClass;
76
77typedef struct {
78	char		__magic[8];	/* Magic saying what version we are */
79	char		__encoding[32];	/* ASCII name of this encoding */
80
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;
84
85	__uint32_t	__runetype[_CACHED_RUNES];
86	__darwin_rune_t	__maplower[_CACHED_RUNES];
87	__darwin_rune_t	__mapupper[_CACHED_RUNES];
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	 */
94	_RuneRange	__runetype_ext;
95	_RuneRange	__maplower_ext;
96	_RuneRange	__mapupper_ext;
97
98	void		*__variable;	/* Data which depends on the encoding */
99	int		__variable_len;	/* how long that data is */
100
101	/*
102	 * extra fields to deal with arbitrary character classes
103	 */
104	int		__ncharclasses;
105	_RuneCharClass	*__charclasses;
106} _RuneLocale;
107
108#define	_RUNE_MAGIC_A	"RuneMagA"	/* Indicates version A of RuneLocale */
109
110__BEGIN_DECLS
111extern _RuneLocale _DefaultRuneLocale;
112extern _RuneLocale *_CurrentRuneLocale;
113__END_DECLS
114
115#endif	/* !_RUNETYPE_H_ */
116