tc.nls.h revision 145479 
1/* $Header: /src/pub/tcsh/tc.nls.h,v 3.9 2005/03/03 15:52:20 kim Exp $ */
2/*
3 * tc.nls.h: NLS support
4 *
5 */
6/*-
7 * Copyright (c) 1980, 1991 The Regents of the University of California.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34#ifndef _h_tc_nls
35#define _h_tc_nls
36
37#include "sh.h"
38
39#define NLSZEROT	((size_t)-1)
40
41#ifdef WIDE_STRINGS
42
43# define NLSSize(s, l) 1
44# define NLSFrom(s, l, cp) (USE (l), (*(cp) = *(s) & CHAR), 1)
45# define NLSFinished(s, l, c) (l != 0 && c != CHAR_ERR ? 2 : 1)
46# define NLSChars(s) Strlen(s)
47# define NLSQuote(s)
48# define TRIM_AND_EXTEND(s, c) (c &= TRIM)
49
50extern int NLSWidth __P((NLSChar));
51extern int NLSStringWidth __P((Char *));
52
53#define NLS_ILLEGAL INVALID_BYTE
54
55#else
56# ifdef SHORT_STRINGS
57
58extern int NLSFrom __P((const Char *, size_t, NLSChar *));
59extern int NLSFinished __P((Char *, size_t, eChar));
60extern int NLSChars __P((Char *));
61extern int NLSStringWidth __P((Char *));
62extern int NLSWidth __P((NLSChar));
63extern int NLSTo __P((Char *, NLSChar));
64extern void NLSQuote __P((Char *));
65
66#define NLSSize(s, l) NLSFrom(s, l, (NLSChar *)0)
67#define TRIM_AND_EXTEND(s, c) (s += NLSFrom(s - 1, NLSZEROT, &c) - 1)
68#define NLS_ILLEGAL 0x40000000
69
70
71# else
72#  define NLSSize(s, l) 1
73#  define NLSFrom(s, l, cp) (USE (l), (*(cp) = *(s) & CHAR), 1)
74#  define NLSFinished(s, l, c) (l != 0 && c != CHAR_ERR ? 2 : 1)
75#  define NLSChars(s) Strlen(s)
76#  define NLSStringWidth(s) Strlen(s)
77#  define NLSWidth(c) 1
78#  define NLSQuote(s)
79
80#  define TRIM_AND_EXTEND(s, c) (c &= TRIM)
81#  define NLS_ILLEGAL 0x40000000
82# endif
83#endif
84
85extern int NLSExtend __P((Char *, int, int));
86extern Char *NLSChangeCase __P((Char *, int));
87extern int NLSClassify __P((NLSChar, int));
88
89#define NLSCLASS_CTRL		(-1)
90#define NLSCLASS_TAB		(-2)
91#define NLSCLASS_NL		(-3)
92#define NLSCLASS_ILLEGAL	(-4)
93#define NLSCLASS_ILLEGAL2	(-5)
94#define NLSCLASS_ILLEGAL3	(-6)
95#define NLSCLASS_ILLEGAL4	(-7)
96
97#define NLSCLASS_ILLEGAL_SIZE(x) (-(x) - (-(NLSCLASS_ILLEGAL) - 1))
98
99#endif
100