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Contents of /psiconv/trunk/lib/psiconv/unicode.h

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Revision 181 - (show annotations)
Sun Jan 4 15:47:16 2004 UTC (16 years, 5 months ago) by frodo
File MIME type: text/plain
File size: 2721 byte(s)
(Frodo) Preparation for the conversion to Unicode.

1 /*
2 unicode.h - Part of psiconv, a PSION 5 file formats converter
3 Copyright (c) 2003 Frodo Looijaard <frodol@dds.nl>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #ifndef PSICONV_UNICODE_H
21 #define PSICONV_UNICODE_H
22
23 #include <psiconv/general.h>
24 #include <psiconv/configuration.h>
25
26 #ifdef __cplusplus
27 extern "C" {
28 #endif /* __cplusplus */
29
30 /* A simple unicode implementation, using UCS-2 (16-bit encoding).
31 Unicode strings are arrays of psiconv_u16 characters, zero-terminated.
32 Note that there is a lot in Unicode we do not support; for example,
33 we assume a single Unicode codepoint corresponds with a single character.
34 For EPOC, that should be enough */
35
36 extern int psiconv_unicode_select_characterset(const psiconv_config config,
37 int charset);
38
39 /* Translate a single character to a unicode character, using the
40 translation tables in config */
41 extern psiconv_ucs2 psiconv_unicode_from_char(const psiconv_config config,
42 psiconv_u8 input);
43
44 /* Translate a single unicode character to a normal character, using the
45 translation tables in config */
46 extern psiconv_u8 psiconv_unicode_to_char(psiconv_config config,
47 psiconv_ucs2 input);
48
49 /* Translate a normal string to unicode.
50 Output is allocated by this function on success, and must be freed by
51 hand. */
52 extern int psiconv_unicode_from_chars(const psiconv_config config,
53 const psiconv_u8 *input,
54 psiconv_ucs2 **output);
55 /* Translate a unicode string to a normal one.
56 Output is allocated by this function on success, and must be freed by
57 hand. */
58 extern int psiconv_unicode_to_chars(const psiconv_config config,
59 const psiconv_ucs2 *input,
60 psiconv_u8 **output);
61
62 /* Compute the length of a unicode string */
63 extern int psiconv_unicode_strlen(const psiconv_ucs2 *input);
64
65
66 #ifdef __cplusplus
67 }
68 #endif /* __cplusplus */
69
70 #endif /* PSICONV_ERROR_H */

frodo@frodo.looijaard.name
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