xref: /onnv-gate/usr/src/lib/libxcurses/h/collate.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1996, by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  * collate.h
31*0Sstevel@tonic-gate  *
32*0Sstevel@tonic-gate  *   MKS extension to ANSI/POSIX to retrieve additional locale information.
33*0Sstevel@tonic-gate  *   Specifically collation information.
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * Copyright 1989, 1993 by Mortice Kern Systems Inc.  All rights reserved.
36*0Sstevel@tonic-gate  *
37*0Sstevel@tonic-gate  * $Header: /rd/h/rcs/collate.h 1.16 1993/12/02 21:54:23 mark Exp $
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate #ifndef	__COLLATE_H__
40*0Sstevel@tonic-gate #define	__COLLATE_H__
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate #include <mks.h>
43*0Sstevel@tonic-gate #include <limits.h>
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate /*
46*0Sstevel@tonic-gate  * include prototypes of the MKS i18n routines
47*0Sstevel@tonic-gate  */
48*0Sstevel@tonic-gate #include <m_collat.h>
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate /*
51*0Sstevel@tonic-gate  * constants and structure definitions used in MKS internal implementation
52*0Sstevel@tonic-gate  *
53*0Sstevel@tonic-gate  *  -- used by strxfrm(), localedef.
54*0Sstevel@tonic-gate  */
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate /* string length limitations */
57*0Sstevel@tonic-gate #define _M_COLLATE_MAX	32	/* max length of a collation string */
58*0Sstevel@tonic-gate #define _M_COTOM_MAX	4	/* max length of one to many map */
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate /* forward, backward... -- or'ed into cmode */
61*0Sstevel@tonic-gate #define _M_FORWARD_MODE	 1 	/* compare based on string forward */
62*0Sstevel@tonic-gate #define _M_BACKWARD_MODE 2 	/* compare based on string backward */
63*0Sstevel@tonic-gate #define _M_POSITION_MODE 4 	/* consider relative position of non-IGNOREd */
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate /* flags used in cord.cflag */
66*0Sstevel@tonic-gate #define _M_NOCOLLSTR	0
67*0Sstevel@tonic-gate #define _M_MANYTOONEF	1	/* Potential many-to-one mapping in forward */
68*0Sstevel@tonic-gate #define _M_MANYTOONEB	2	/* Potential many-to-one mapping in backward */
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate /* typedef's */
71*0Sstevel@tonic-gate typedef short	_m_weight_t;
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate /* collate database file header */
74*0Sstevel@tonic-gate struct _m_cinfo {
75*0Sstevel@tonic-gate 	int		cnstr;			/* number of collate strings */
76*0Sstevel@tonic-gate 	int		cnotom;			/* number of one to many maps */
77*0Sstevel@tonic-gate 	int		cnweight;		/* Number of weights in cmode */
78*0Sstevel@tonic-gate 	unsigned char	cmode[COLL_WEIGHTS_MAX];/* order mode: forward... */
79*0Sstevel@tonic-gate 	struct _m_cstr	*cstr;			/* Pointer to collating strs */
80*0Sstevel@tonic-gate 	struct _m_cord	*cord;			/* weight tables */
81*0Sstevel@tonic-gate 	struct _m_cotom	*cotom;			/* one-to-many mapping tables */
82*0Sstevel@tonic-gate 	m_collel_t	*cindex,		/* index to range table map */
83*0Sstevel@tonic-gate 			*range;			/* Range table */
84*0Sstevel@tonic-gate 	m_collel_t	*equivo,		/* equiv class offsets */
85*0Sstevel@tonic-gate 			*cequiv;		/* equiv class table */
86*0Sstevel@tonic-gate };
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate /* Per character and per collating-sequence structure */
89*0Sstevel@tonic-gate struct _m_cord {				/* order */
90*0Sstevel@tonic-gate 	unsigned char	cflag;	/* =1, beginning of a collation string */
91*0Sstevel@tonic-gate 	_m_weight_t	cweight[COLL_WEIGHTS_MAX]; /* relative weight */
92*0Sstevel@tonic-gate };
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate /*l
95*0Sstevel@tonic-gate  * The _m_cstr structure is per many-to-one mapping (collating element from...)
96*0Sstevel@tonic-gate  * Pointed at by _m_cinfo.cstr, indexed by (m_collel_t - M_CSETSIZE).
97*0Sstevel@tonic-gate  * Stored both forwards and backwards to make it easy for strxfrm parsing
98*0Sstevel@tonic-gate  * for order_start backward.
99*0Sstevel@tonic-gate  */
100*0Sstevel@tonic-gate struct _m_cstr {				/* collating-element */
101*0Sstevel@tonic-gate 	char		csf[_M_COLLATE_MAX];	/* collating string forward */
102*0Sstevel@tonic-gate 	char		csb[_M_COLLATE_MAX];	/* collating string backward */
103*0Sstevel@tonic-gate };
104*0Sstevel@tonic-gate 
105*0Sstevel@tonic-gate /*l
106*0Sstevel@tonic-gate  * Per one-to-many mapping entry.  A cweight entry in the _cord structure
107*0Sstevel@tonic-gate  * which is negative, will index into this table.
108*0Sstevel@tonic-gate  * Pointed at by _m_cinfo.cotom.
109*0Sstevel@tonic-gate  */
110*0Sstevel@tonic-gate struct _m_cotom {				/* one to many map */
111*0Sstevel@tonic-gate 	_m_weight_t	weight[_M_COTOM_MAX];
112*0Sstevel@tonic-gate };
113*0Sstevel@tonic-gate 
114*0Sstevel@tonic-gate #ifdef I18N
115*0Sstevel@tonic-gate 
116*0Sstevel@tonic-gate extern struct _m_cinfo	_m_cinfo;
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate #endif	/* I18N */
119*0Sstevel@tonic-gate 
120*0Sstevel@tonic-gate #endif	/* __COLLATE_H_ */
121