1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/*
LibRCC - module providing charset recoding for the specified language
Copyright (C) 2005-2008 Suren A. Chilingaryan <csa@dside.dyndns.org>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License version 2.1 or later
as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../config.h"
#include "internal.h"
#include "fs.h"
static rcc_autocharset_id rccConfigDetectCharsetInternal(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len) {
int err;
rcc_context ctx;
rcc_class_type class_type;
rcc_autocharset_id autocharset_id;
if ((!buf)||(!config)) return (rcc_autocharset_id)-1;
ctx = config->ctx;
err = rccConfigConfigure(config);
if (err) return (rcc_autocharset_id)-1;
class_type = rccGetClassType(ctx, class_id);
if ((class_type != RCC_CLASS_FS)||((class_type == RCC_CLASS_FS)&&(rccGetOption(ctx, RCC_OPTION_AUTODETECT_FS_TITLES)))) {
rccMutexLock(config->mutex);
autocharset_id = rccEngineDetectCharset(&config->engine_ctx, buf, len);
rccMutexUnLock(config->mutex);
return autocharset_id;
}
return (rcc_autocharset_id)-1;
}
rcc_autocharset_id rccConfigDetectCharset(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len) {
return rccConfigDetectCharsetInternal(config, class_id, buf, len);
}
rcc_string rccConfigSizedFrom(rcc_language_config config, rcc_class_id class_id, const char *buf, size_t len) {
rcc_context ctx;
rcc_class_type class_type;
rcc_string result;
rcc_option_value usedb4;
rcc_autocharset_id charset_id;
const char *charset;
if (!config) return NULL;
ctx = config->ctx;
if (rccStringSizedCheck(buf, len)) return NULL;
usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
result = rccDb4GetKey(ctx->db4ctx, buf, len);
if (result) {
if (rccStringFixID(result, ctx)) free(result);
else return result;
}
}
class_type = rccGetClassType(ctx, class_id);
if (class_type == RCC_CLASS_KNOWN) charset_id = (rcc_autocharset_id)-1;
else charset_id = rccConfigDetectCharset(config, class_id, buf, len);
if (charset_id != (rcc_autocharset_id)-1)
charset = rccConfigGetAutoCharsetName(config, charset_id);
else
charset = rccConfigGetCurrentCharsetName(config, class_id);
if (charset) {
result = rccSizedFromCharset(ctx, charset, buf, len);
if (result) rccStringChangeID(result, rccGetLanguageByName(ctx, config->language->sn));
return result;
}
return NULL;
}
/* The supplied config have priority over language tag in the buf! */
char *rccConfigSizedTo(rcc_language_config config, rcc_class_id class_id, rcc_const_string buf, size_t *rlen) {
char *result;
const char *charset;
if (!config) return NULL;
if ((rccGetClassType(config->ctx, class_id) == RCC_CLASS_FS)&&(rccGetOption(config->ctx, RCC_OPTION_AUTODETECT_FS_NAMES))) {
result = rccFS5(config->ctx, config, class_id, rccStringGetString(buf));
if (result) {
if (rlen) *rlen = strlen(result);
return result;
}
}
charset = rccConfigGetCurrentCharsetName(config, class_id);
if (charset)
return rccSizedToCharset(config->ctx, charset, buf, rlen);
return NULL;
}
char *rccConfigSizedRecode(rcc_language_config config, rcc_class_id from, rcc_class_id to, const char *buf, size_t len, size_t *rlen) {
rcc_context ctx;
rcc_class_type class_type;
rcc_string result;
rcc_option_value usedb4;
rcc_autocharset_id charset_id;
rcc_string stmp;
const char *tocharset, *fromcharset;
if (!config) return NULL;
ctx = config->ctx;
if (rccStringSizedCheck(buf, len)) return NULL;
usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
stmp = rccDb4GetKey(ctx->db4ctx, buf, len);
if (stmp) {
if (rccStringFixID(stmp, ctx)) free(stmp);
else {
result = rccConfigSizedTo(config, to, stmp, rlen);
free(stmp);
return result;
}
}
}
class_type = rccGetClassType(ctx, from);
if (class_type == RCC_CLASS_KNOWN) charset_id = (rcc_autocharset_id)-1;
else charset_id = rccConfigDetectCharset(config, from, buf, len);
if (charset_id != (rcc_autocharset_id)-1)
fromcharset = rccConfigGetAutoCharsetName(config, charset_id);
else
fromcharset = rccConfigGetCurrentCharsetName(config, from);
tocharset = rccConfigGetCurrentCharsetName(config, to);
if ((fromcharset)&&(tocharset))
return rccSizedRecodeCharsets(ctx, fromcharset, tocharset, buf, len, rlen);
return NULL;
}
char *rccConfigSizedRecodeToCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, rcc_const_string buf, size_t len, size_t *rlen) {
rcc_context ctx;
rcc_class_type class_type;
rcc_string result;
rcc_option_value usedb4;
rcc_autocharset_id charset_id;
rcc_string stmp;
const char *ocharset;
if (!config) return NULL;
ctx = config->ctx;
if (rccStringSizedCheck(buf, len)) return NULL;
usedb4 = rccGetOption(ctx, RCC_OPTION_LEARNING_MODE);
if (usedb4&RCC_OPTION_LEARNING_FLAG_USE) {
stmp = rccDb4GetKey(ctx->db4ctx, buf, len);
if (stmp) {
if (rccStringFixID(stmp, ctx)) free(stmp);
else {
result = rccSizedToCharset(ctx, charset, stmp, rlen);
free(stmp);
return result;
}
}
}
class_type = rccGetClassType(ctx, class_id);
if (class_type == RCC_CLASS_KNOWN) charset_id = (rcc_autocharset_id)-1;
else charset_id = rccConfigDetectCharset(config, class_id, buf, len);
if (charset_id != (rcc_autocharset_id)-1)
ocharset = rccConfigGetAutoCharsetName(config, charset_id);
else
ocharset = rccConfigGetCurrentCharsetName(config, class_id);
if (ocharset)
return rccSizedRecodeCharsets(ctx, ocharset, charset, buf, len, rlen);
return NULL;
}
char *rccConfigSizedRecodeFromCharset(rcc_language_config config, rcc_class_id class_id, const char *charset, const char *buf, size_t len, size_t *rlen) {
rcc_context ctx;
const char *ocharset;
if (!config) return NULL;
ctx = config->ctx;
ocharset = rccConfigGetCurrentCharsetName(config, class_id);
if (ocharset)
return rccSizedRecodeCharsets(ctx, charset, ocharset, buf, len, rlen);
return NULL;
}
|
