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Root/idna/idna.h

1/* idna.hDeclarations for IDNA.
2 * Copyright (C) 2002, 2003 Simon Josefsson
3 *
4 * This file is part of GNU Libidn.
5 *
6 * GNU Libidn is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * GNU Libidn is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with GNU Libidn; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#ifndef _IDNA_H
23#define _IDNA_H
24
25#ifdef __cplusplus
26extern "C"
27{
28#endif
29
30#include <stddef.h>/* size_t */
31#include "idna/idn-int.h"/* uint32_t */
32
33 /* Error codes. */
34 typedef enum
35 {
36 IDNA_SUCCESS = 0,
37 IDNA_STRINGPREP_ERROR = 1,
38 IDNA_PUNYCODE_ERROR = 2,
39 IDNA_CONTAINS_NON_LDH = 3,
40 IDNA_CONTAINS_MINUS = 4,
41 IDNA_INVALID_LENGTH = 5,
42 IDNA_NO_ACE_PREFIX = 6,
43 IDNA_ROUNDTRIP_VERIFY_ERROR = 7,
44 IDNA_CONTAINS_ACE_PREFIX = 8,
45 IDNA_ICONV_ERROR = 9,
46 /* Internal errors. */
47 IDNA_MALLOC_ERROR = 201
48 } Idna_rc;
49
50 /* IDNA flags */
51 typedef enum
52 {
53 IDNA_ALLOW_UNASSIGNED = 0x0001,
54 IDNA_USE_STD3_ASCII_RULES = 0x0002
55 } Idna_flags;
56
57#ifndef IDNA_ACE_PREFIX
58#define IDNA_ACE_PREFIX "xn--"
59#endif
60
61 /* Core functions */
62 extern int idna_to_ascii_4i (const uint32_t * in, size_t inlen,
63 char *out, int flags);
64 extern int idna_to_unicode_44i (const uint32_t * in, size_t inlen,
65 uint32_t * out, size_t * outlen, int flags);
66
67 /* Wrappers that handle several labels */
68
69 extern int idna_to_ascii_4z (const uint32_t * input,
70 char **output, int flags);
71
72 extern int idna_to_ascii_8z (const char *input, char **output, int flags);
73
74 extern int idna_to_ascii_lz (const char *input, char **output, int flags);
75
76
77 extern int idna_to_unicode_4z4z (const uint32_t * input,
78 uint32_t ** output, int flags);
79
80 extern int idna_to_unicode_8z4z (const char *input,
81 uint32_t ** output, int flags);
82
83 extern int idna_to_unicode_8z8z (const char *input,
84 char **output, int flags);
85
86 extern int idna_to_unicode_8zlz (const char *input,
87 char **output, int flags);
88
89 extern int idna_to_unicode_lzlz (const char *input,
90 char **output, int flags);
91
92#ifdef __cplusplus
93}
94#endif
95#endif/* _PUNYCODE_H */

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