1/*
2Copyright (c) 2001 by Juliusz Chroboczek
3
4Permission is hereby granted, free of charge, to any person obtaining a copy
5of this software and associated documentation files (the "Software"), to deal
6in the Software without restriction, including without limitation the rights
7to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8copies of the Software, and to permit persons to whom the Software is
9furnished to do so, subject to the following conditions:
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20THE SOFTWARE.
21*/
22
23#ifndef LUIT_CHARSET_H
24#define LUIT_CHARSET_H 1
25
26#include "other.h"
27
28#define T_FAILED 0
29#define T_94 1
30#define T_96 2
31#define T_128 3
32#define T_9494 4
33#define T_9696 5
34/* Big 5 */
35#define T_94192 6
36#define T_OTHER 7
37
38/* True for charsets that pass control chars unchanged, at least in
39   the first byte */
40#define CHARSET_REGULAR(c) ((c)->type != T_128)
41
42typedef struct _Charset {
43    const char *name;
44    int type;
45    unsigned char final;
46    unsigned int (*recode) (unsigned int, const struct _Charset * self);
47    int (*reverse) (unsigned int, const struct _Charset * self);
48    const void *data;
49    int (*other_stack) (unsigned c, OtherStatePtr aux);
50    OtherState *other_aux;
51    unsigned int (*other_recode) (unsigned int c, OtherStatePtr aux);
52    unsigned int (*other_reverse) (unsigned int c, OtherStatePtr aux);
53    struct _Charset *next;
54} CharsetRec, *CharsetPtr;
55
56typedef struct _LocaleCharset {
57    const char *name;
58    int gl;
59    int gr;
60    const char *g0;
61    const char *g1;
62    const char *g2;
63    const char *g3;
64    const char *other;
65} LocaleCharsetRec, *LocaleCharsetPtr;
66
67const CharsetRec *getUnknownCharset(int);
68const CharsetRec *getCharset(unsigned, int);
69const CharsetRec *getCharsetByName(const char *);
70void reportCharsets(void);
71int getLocaleState(const char *locale, const char *charset,
72		   int *gl_return, int *gr_return,
73		   const CharsetRec * *g0_return,
74		   const CharsetRec * *g1_return,
75		   const CharsetRec * *g2_return,
76		   const CharsetRec * *g3_return,
77		   const CharsetRec * *other_return);
78
79#endif /* LUIT_CHARSET_H */
80