source: psi/trunk/iris/libidn/stringprep.h@ 126

Last change on this file since 126 was 2, checked in by dmik, 19 years ago

Imported original Psi 0.10 sources from Affinix
File size: 6.6 KB
Line 
1/* stringprep.h Header file for stringprep functions. -*- c -*-
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 _STRINGPREP_H
23#define _STRINGPREP_H
24
25#ifdef __cplusplus
26extern "C"
27{
28#endif
29
30#include <stddef.h> /* size_t */
31
32#include<qglobal.h>
33#ifdef Q_OS_WIN32
34typedef int ssize_t;
35#else
36#include <unistd.h> /* ssize_t */
37#endif
38
39#include <idn-int.h> /* my_uint32_t */
40#include "qint.h"
41
42#define STRINGPREP_VERSION "0.3.1"
43
44/* Error codes. */
45 typedef enum
46 {
47 STRINGPREP_OK = 0,
48 /* Stringprep errors. */
49 STRINGPREP_CONTAINS_UNASSIGNED = 1,
50 STRINGPREP_CONTAINS_PROHIBITED = 2,
51 STRINGPREP_BIDI_BOTH_L_AND_RAL = 3,
52 STRINGPREP_BIDI_LEADTRAIL_NOT_RAL = 4,
53 STRINGPREP_BIDI_CONTAINS_PROHIBITED = 5,
54 /* Error in calling application. */
55 STRINGPREP_TOO_SMALL_BUFFER = 100,
56 STRINGPREP_PROFILE_ERROR = 101,
57 STRINGPREP_FLAG_ERROR = 102,
58 STRINGPREP_UNKNOWN_PROFILE = 103,
59 /* Internal errors. */
60 STRINGPREP_NFKC_FAILED = 200,
61 STRINGPREP_MALLOC_ERROR = 201
62 } Stringprep_rc;
63
64/* Flags used when calling stringprep(). */
65 typedef enum
66 {
67 STRINGPREP_NO_NFKC = 1,
68 STRINGPREP_NO_BIDI = 2,
69 STRINGPREP_NO_UNASSIGNED = 4
70 } Stringprep_profile_flags;
71
72/* Steps in a stringprep profile. */
73 typedef enum
74 {
75 STRINGPREP_NFKC = 1,
76 STRINGPREP_BIDI = 2,
77 STRINGPREP_MAP_TABLE = 3,
78 STRINGPREP_UNASSIGNED_TABLE = 4,
79 STRINGPREP_PROHIBIT_TABLE = 5,
80 STRINGPREP_BIDI_PROHIBIT_TABLE = 6,
81 STRINGPREP_BIDI_RAL_TABLE = 7,
82 STRINGPREP_BIDI_L_TABLE = 8
83 } Stringprep_profile_steps;
84
85#define STRINGPREP_MAX_MAP_CHARS 4
86
87 struct Stringprep_table_element
88 {
89 my_uint32_t start;
90 my_uint32_t end; /* 0 if only one character */
91 my_uint32_t map[STRINGPREP_MAX_MAP_CHARS]; /* NULL if end is not 0 */
92 };
93 typedef struct Stringprep_table_element Stringprep_table_element;
94
95 struct Stringprep_table
96 {
97 Stringprep_profile_steps operation;
98 Stringprep_profile_flags flags;
99 Stringprep_table_element *table;
100 char *name;
101 };
102 typedef struct Stringprep_table Stringprep_profile;
103
104 struct Stringprep_profiles
105 {
106 char *name;
107 Stringprep_profile *tables;
108 };
109 typedef struct Stringprep_profiles Stringprep_profiles;
110
111 extern Stringprep_profiles stringprep_profiles[];
112
113/* Profiles */
114 extern Stringprep_table_element stringprep_rfc3454_A_1[];
115 extern Stringprep_table_element stringprep_rfc3454_B_1[];
116 extern Stringprep_table_element stringprep_rfc3454_B_2[];
117 extern Stringprep_table_element stringprep_rfc3454_B_3[];
118 extern Stringprep_table_element stringprep_rfc3454_C_1_1[];
119 extern Stringprep_table_element stringprep_rfc3454_C_1_2[];
120 extern Stringprep_table_element stringprep_rfc3454_C_2_1[];
121 extern Stringprep_table_element stringprep_rfc3454_C_2_2[];
122 extern Stringprep_table_element stringprep_rfc3454_C_3[];
123 extern Stringprep_table_element stringprep_rfc3454_C_4[];
124 extern Stringprep_table_element stringprep_rfc3454_C_5[];
125 extern Stringprep_table_element stringprep_rfc3454_C_6[];
126 extern Stringprep_table_element stringprep_rfc3454_C_7[];
127 extern Stringprep_table_element stringprep_rfc3454_C_8[];
128 extern Stringprep_table_element stringprep_rfc3454_C_9[];
129 extern Stringprep_table_element stringprep_rfc3454_D_1[];
130 extern Stringprep_table_element stringprep_rfc3454_D_2[];
131
132 /* Generic (for debugging) */
133
134 extern Stringprep_profile stringprep_generic[];
135
136#define stringprep_generic(in, maxlen) \
137 stringprep(in, maxlen, 0, stringprep_generic)
138
139 /* Nameprep */
140
141 extern Stringprep_profile stringprep_nameprep[];
142
143#define stringprep_nameprep(in, maxlen) \
144 stringprep(in, maxlen, 0, stringprep_nameprep)
145
146#define stringprep_nameprep_no_unassigned(in, maxlen) \
147 stringprep(in, maxlen, STRINGPREP_NO_UNASSIGNED, stringprep_nameprep)
148
149 /* SASL */
150
151 extern Stringprep_profile stringprep_saslprep[];
152 extern Stringprep_profile stringprep_plain[];
153
154#define stringprep_plain(in, maxlen) \
155 stringprep(in, maxlen, 0, stringprep_plain)
156
157 /* Kerberos */
158
159 extern Stringprep_profile stringprep_kerberos5[];
160
161#define stringprep_kerberos5(in, maxlen) \
162 stringprep(in, maxlen, 0, stringprep_kerberos5)
163
164 /* XMPP */
165
166 extern Stringprep_profile stringprep_xmpp_nodeprep[];
167 extern Stringprep_profile stringprep_xmpp_resourceprep[];
168 extern Stringprep_table_element stringprep_xmpp_nodeprep_prohibit[];
169
170#define stringprep_xmpp_nodeprep(in, maxlen) \
171 stringprep(in, maxlen, 0, stringprep_xmpp_nodeprep)
172#define stringprep_xmpp_resourceprep(in, maxlen) \
173 stringprep(in, maxlen, 0, stringprep_xmpp_resourceprep)
174
175 /* iSCSI */
176
177 extern Stringprep_profile stringprep_iscsi[];
178
179#define stringprep_iscsi(in, maxlen) \
180 stringprep(in, maxlen, 0, stringprep_iscsi)
181
182 /* API */
183
184 extern int stringprep (char *in, size_t maxlen,
185 Stringprep_profile_flags flags,
186 Stringprep_profile * profile);
187
188 extern int stringprep_profile (char *in,
189 char **out,
190 char *profile,
191 Stringprep_profile_flags flags);
192
193 extern const char *stringprep_check_version (const char *req_version);
194
195/* Utility */
196
197 extern int stringprep_unichar_to_utf8 (my_uint32_t c, char *outbuf);
198 extern my_uint32_t stringprep_utf8_to_unichar (const char *p);
199
200 extern my_uint32_t *stringprep_utf8_to_ucs4 (const char *str, ssize_t len,
201 size_t * items_written);
202 extern char *stringprep_ucs4_to_utf8 (const my_uint32_t * str, ssize_t len,
203 size_t * items_read,
204 size_t * items_written);
205
206 extern char *stringprep_utf8_nfkc_normalize (const char *str, ssize_t len);
207 extern my_uint32_t *stringprep_ucs4_nfkc_normalize (my_uint32_t * str,
208 ssize_t len);
209
210 /*extern const char *stringprep_locale_charset (void);
211 extern char *stringprep_convert (const char *str,
212 const char *to_codeset,
213 const char *from_codeset);
214 extern char *stringprep_locale_to_utf8 (const char *str);
215 extern char *stringprep_utf8_to_locale (const char *str);*/
216
217#ifdef __cplusplus
218}
219#endif
220#endif /* _STRINGPREP_H */
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