1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2018 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Kirill Maximov <kir@rus.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #include <stdlib.h>
22
23 #ifdef HAVE_UNISTD_H
24 #include <unistd.h>
25 #endif
26 #include <string.h>
27 #include <errno.h>
28
29 #include "php.h"
30 #include "cyr_convert.h"
31
32 #include <stdio.h>
33
34 /*****************************************************************************
35 * This is codetables for different Cyrillic charsets (relative to koi8-r).
36 * Each table contains data for 128-255 symbols from ASCII table.
37 * First 256 symbols are for conversion from koi8-r to corresponding charset,
38 * second 256 symbols are for reverse conversion, from charset to koi8-r.
39 *
40 * Here we have the following tables:
41 * _cyr_win1251 - for windows-1251 charset
42 * _cyr_iso88595 - for iso8859-5 charset
43 * _cyr_cp866 - for x-cp866 charset
44 * _cyr_mac - for x-mac-cyrillic charset
45 *
46 *****************************************************************************/
47
48 typedef unsigned char _cyr_charset_table[512];
49
50 /* {{{ static const _cyr_charset_table _cyr_win1251
51 */
52 static const _cyr_charset_table _cyr_win1251 = {
53 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
54 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
55 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
56 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
57 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
58 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
59 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
60 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
61 46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,
62 46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,46,
63 154,174,190,46,159,189,46,46,179,191,180,157,46,46,156,183,
64 46,46,182,166,173,46,46,158,163,152,164,155,46,46,46,167,
65 225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
66 242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
67 193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
68 210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,209,
69 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
70 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
71 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
72 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
73 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
74 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
75 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
76 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
77 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
78 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
79 32,32,32,184,186,32,179,191,32,32,32,32,32,180,162,32,
80 32,32,32,168,170,32,178,175,32,32,32,32,32,165,161,169,
81 254,224,225,246,228,229,244,227,245,232,233,234,235,236,237,238,
82 239,255,240,241,242,243,230,226,252,251,231,248,253,249,247,250,
83 222,192,193,214,196,197,212,195,213,200,201,202,203,204,205,206,
84 207,223,208,209,210,211,198,194,220,219,199,216,221,217,215,218,
85 },
86 _cyr_cp866 = {
87 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
88 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
89 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
90 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
91 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
92 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
93 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
94 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
95 225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
96 242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
97 193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
98 35,35,35,124,124,124,124,43,43,124,124,43,43,43,43,43,
99 43,45,45,124,45,43,124,124,43,43,45,45,124,45,43,45,
100 45,45,45,43,43,43,43,43,43,43,43,35,35,124,124,35,
101 210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,209,
102 179,163,180,164,183,167,190,174,32,149,158,32,152,159,148,154,
103 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
104 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
105 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
106 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
107 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
108 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
109 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
110 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
111 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
112 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
113 205,186,213,241,243,201,32,245,187,212,211,200,190,32,247,198,
114 199,204,181,240,242,185,32,244,203,207,208,202,216,32,246,32,
115 238,160,161,230,164,165,228,163,229,168,169,170,171,172,173,174,
116 175,239,224,225,226,227,166,162,236,235,167,232,237,233,231,234,
117 158,128,129,150,132,133,148,131,149,136,137,138,139,140,141,142,
118 143,159,144,145,146,147,134,130,156,155,135,152,157,153,151,154,
119 },
120 _cyr_iso88595 = {
121 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
122 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
123 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
124 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
125 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
126 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
127 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
128 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
129 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
130 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
131 32,179,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
132 225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
133 242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
134 193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
135 210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,209,
136 32,163,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
137 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
138 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
139 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
140 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
141 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
142 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
143 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
144 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
145 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
146 32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
147 32,32,32,241,32,32,32,32,32,32,32,32,32,32,32,32,
148 32,32,32,161,32,32,32,32,32,32,32,32,32,32,32,32,
149 238,208,209,230,212,213,228,211,229,216,217,218,219,220,221,222,
150 223,239,224,225,226,227,214,210,236,235,215,232,237,233,231,234,
151 206,176,177,198,180,181,196,179,197,184,185,186,187,188,189,190,
152 191,207,192,193,194,195,182,178,204,203,183,200,205,201,199,202,
153 },
154 _cyr_mac = {
155 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
156 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
157 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
158 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
159 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
160 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
161 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
162 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
163 225,226,247,231,228,229,246,250,233,234,235,236,237,238,239,240,
164 242,243,244,245,230,232,227,254,251,253,255,249,248,252,224,241,
165 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
166 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
167 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
168 144,145,146,147,148,149,150,151,152,153,154,155,156,179,163,209,
169 193,194,215,199,196,197,214,218,201,202,203,204,205,206,207,208,
170 210,211,212,213,198,200,195,222,219,221,223,217,216,220,192,255,
171 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
172 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,
173 32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,
174 48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
175 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
176 80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
177 96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
178 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
179 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
180 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
181 160,161,162,222,164,165,166,167,168,169,170,171,172,173,174,175,
182 176,177,178,221,180,181,182,183,184,185,186,187,188,189,190,191,
183 254,224,225,246,228,229,244,227,245,232,233,234,235,236,237,238,
184 239,223,240,241,242,243,230,226,252,251,231,248,253,249,247,250,
185 158,128,129,150,132,133,148,131,149,136,137,138,139,140,141,142,
186 143,159,144,145,146,147,134,130,156,155,135,152,157,153,151,154,
187 };
188 /* }}} */
189
190 /* {{{ static char * php_convert_cyr_string(unsigned char *str, int length, char from, char to)
191 * This is the function that performs real in-place conversion of the string
192 * between charsets.
193 * Parameters:
194 * str - string to be converted
195 * from,to - one-symbol label of source and destination charset
196 * The following symbols are used as labels:
197 * k - koi8-r
198 * w - windows-1251
199 * i - iso8859-5
200 * a - x-cp866
201 * d - x-cp866
202 * m - x-mac-cyrillic
203 *****************************************************************************/
php_convert_cyr_string(unsigned char * str,size_t length,char from,char to)204 static char * php_convert_cyr_string(unsigned char *str, size_t length, char from, char to)
205 {
206 const unsigned char *from_table, *to_table;
207 unsigned char tmp;
208 size_t i;
209
210 from_table = NULL;
211 to_table = NULL;
212
213 switch (toupper((int)(unsigned char)from))
214 {
215 case 'W':
216 from_table = _cyr_win1251;
217 break;
218 case 'A':
219 case 'D':
220 from_table = _cyr_cp866;
221 break;
222 case 'I':
223 from_table = _cyr_iso88595;
224 break;
225 case 'M':
226 from_table = _cyr_mac;
227 break;
228 case 'K':
229 break;
230 default:
231 php_error_docref(NULL, E_WARNING, "Unknown source charset: %c", from);
232 break;
233 }
234
235 switch (toupper((int)(unsigned char)to))
236 {
237 case 'W':
238 to_table = _cyr_win1251;
239 break;
240 case 'A':
241 case 'D':
242 to_table = _cyr_cp866;
243 break;
244 case 'I':
245 to_table = _cyr_iso88595;
246 break;
247 case 'M':
248 to_table = _cyr_mac;
249 break;
250 case 'K':
251 break;
252 default:
253 php_error_docref(NULL, E_WARNING, "Unknown destination charset: %c", to);
254 break;
255 }
256
257
258 if (!str)
259 return (char *)str;
260
261 for (i = 0; i < length; i++) {
262 tmp = (from_table == NULL)? str[i] : from_table[ str[i] ];
263 str[i] = (to_table == NULL) ? tmp : to_table[tmp + 256];
264 }
265 return (char *)str;
266 }
267 /* }}} */
268
269 /* {{{ proto string convert_cyr_string(string str, string from, string to)
270 Convert from one Cyrillic character set to another */
PHP_FUNCTION(convert_cyr_string)271 PHP_FUNCTION(convert_cyr_string)
272 {
273 char *input, *fr_cs, *to_cs;
274 size_t input_len, fr_cs_len, to_cs_len;
275 zend_string *str;
276
277 if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", &input, &input_len, &fr_cs, &fr_cs_len, &to_cs, &to_cs_len) == FAILURE) {
278 return;
279 }
280
281 str = zend_string_init(input, input_len, 0);
282
283 php_convert_cyr_string((unsigned char *) ZSTR_VAL(str), ZSTR_LEN(str), fr_cs[0], to_cs[0]);
284 RETVAL_NEW_STR(str);
285 }
286 /* }}} */
287
288 /*
289 * Local variables:
290 * tab-width: 4
291 * c-basic-offset: 4
292 * End:
293 * vim600: sw=4 ts=4 fdm=marker
294 * vim<600: sw=4 ts=4
295 */
296
