Make writing to prefs/abook/calendar files more reliable by handling it
[squirrelmail.git] / functions / i18n.php
CommitLineData
59177427 1<?php
1fd97780 2
35586184 3/**
2ba706ef 4 * functions/i18n.php
35586184 5 *
2ba706ef 6 * Copyright (c) 1999-2004 The SquirrelMail Project Team
35586184 7 * Licensed under the GNU GPL. For full terms see the file COPYING.
8 *
9 * This file contains variuos functions that are needed to do
10 * internationalization of SquirrelMail.
11 *
12 * Internally the output character set is used. Other characters are
13 * encoded using Unicode entities according to HTML 4.0.
14 *
15 * $Id$
d6c32258 16 * @package squirrelmail
35586184 17 */
18
d6c32258 19/** Everything uses global.php... */
961ca3d8 20require_once(SM_PATH . 'functions/global.php');
21
d6c32258 22/**
51468260 23 * Converts string from given charset to charset, that can be displayed by user translation.
24 *
25 * Function by default returns html encoded strings, if translation uses different encoding.
26 * If Japanese translation is used - function returns string converted to euc-jp
27 * If iconv or recode functions are enabled and translation uses utf-8 - function returns utf-8 encoded string.
28 * If $charset is not supported - function returns unconverted string.
d6c32258 29 *
51468260 30 * sanitizing of html tags is also done by this function.
31 *
d6c32258 32 * @param string $charset
33 * @param string $string Text to be decoded
51468260 34 * @return string decoded string
d6c32258 35 */
a2a7852b 36function charset_decode ($charset, $string) {
3ec81e63 37 global $languages, $squirrelmail_language, $default_charset;
edf2c0ba 38 global $use_php_recode, $use_php_iconv, $agresive_decoding;
a2a7852b 39
3714db45 40 if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
41 function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
6fbd125b 42 $string = $languages[$squirrelmail_language]['XTRA_CODE']('decode', $string);
43 }
b05c8961 44
3ec81e63 45 $charset = strtolower($charset);
46
47 set_my_charset();
48
49 // Variables that allow to use functions without function_exist() calls
edf2c0ba 50 if (! isset($use_php_recode) || $use_php_recode=="" ) {
51 $use_php_recode=false; }
52 if (! isset($use_php_iconv) || $use_php_iconv=="" ) {
53 $use_php_iconv=false; }
3ec81e63 54
55 // Don't do conversion if charset is the same.
56 if ( $charset == strtolower($default_charset) )
57 return htmlspecialchars($string);
58
59 // catch iso-8859-8-i thing
60 if ( $charset == "iso-8859-8-i" )
61 $charset = "iso-8859-8";
62
63 /*
64 * Recode converts html special characters automatically if you use
65 * 'charset..html' decoding. There is no documented way to put -d option
66 * into php recode function call.
67 */
68 if ( $use_php_recode ) {
69 if ( $default_charset == "utf-8" ) {
70 // other charsets can be converted to utf-8 without loss.
71 // and output string is smaller
72 $string = recode_string($charset . "..utf-8",$string);
73 return htmlspecialchars($string);
74 } else {
75 $string = recode_string($charset . "..html",$string);
76 // recode does not convert single quote, htmlspecialchars does.
77 $string = str_replace("'", '&#039;', $string);
78 return $string;
79 }
80 }
81
82 // iconv functions does not have html target and can be used only with utf-8
83 if ( $use_php_iconv && $default_charset=='utf-8') {
84 $string = iconv($charset,$default_charset,$string);
85 return htmlspecialchars($string);
86 }
87
88 // If we don't use recode and iconv, we'll do it old way.
89
a2a7852b 90 /* All HTML special characters are 7 bit and can be replaced first */
cef054e4 91
098ea084 92 $string = htmlspecialchars ($string);
a2a7852b 93
5dd23dac 94 /* controls cpu and memory intensive decoding cycles */
edf2c0ba 95 if (! isset($agresive_decoding) || $agresive_decoding=="" ) {
96 $agresive_decoding=false; }
5dd23dac 97
b142de74 98 $decode=fixcharset($charset);
99 $decodefile=SM_PATH . 'functions/decode/' . $decode . '.php';
100 if (file_exists($decodefile)) {
101 include_once($decodefile);
102 $ret = call_user_func('charset_decode_'.$decode, $string);
a2a7852b 103 } else {
b142de74 104 $ret = $string;
a2a7852b 105 }
106 return( $ret );
107}
b142de74 108
109/**
110 * Makes charset name suitable for decoding cycles
111 *
112 * @param string $charset Name of charset
113 * @return string $charset Adjusted name of charset
114 */
115function fixcharset($charset) {
116 // minus removed from function names
117 $charset=str_replace('-','_',$charset);
118
119 // windows-125x and cp125x charsets
120 $charset=str_replace('windows_','cp',$charset);
a2a7852b 121
b142de74 122 // ibm > cp
123 $charset=str_replace('ibm','cp',$charset);
124
125 // iso-8859-8-i -> iso-8859-8
126 // use same cycle until I'll find differences
127 $charset=str_replace('iso_8859_8_i','iso_8859_8',$charset);
128
129 return $charset;
130}
a2a7852b 131
51468260 132/**
a2a7852b 133 * Set up the language to be output
134 * if $do_search is true, then scan the browser information
135 * for a possible language that we know
51468260 136 *
137 * Function sets system locale environment (LC_ALL, LANG, LANGUAGE),
138 * gettext translation bindings and html header information.
139 *
5679405c 140 * Function returns error codes, if there is some fatal error.
51468260 141 * 0 = no error,
142 * 1 = mbstring support is not present,
143 * 2 = mbstring support is not present, user's translation reverted to en_US.
144 *
145 * @param string $sm_language translation used by user's interface
146 * @param bool $do_search use browser's preferred language detection functions. Defaults to false.
147 * @param bool $default set $sm_language to $squirrelmail_default_language if language detection fails or language is not set. Defaults to false.
148 * @return int function execution error codes.
a2a7852b 149 */
67a8c90a 150function set_up_language($sm_language, $do_search = false, $default = false) {
a2a7852b 151
152 static $SetupAlready = 0;
9eb0fbd4 153 global $use_gettext, $languages,
a2a7852b 154 $squirrelmail_language, $squirrelmail_default_language,
51468260 155 $sm_notAlias, $username, $data_dir;
a2a7852b 156
157 if ($SetupAlready) {
158 return;
159 }
a65846a7 160
5c920668 161 $SetupAlready = TRUE;
961ca3d8 162 sqgetGlobalVar('HTTP_ACCEPT_LANGUAGE', $accept_lang, SQ_SERVER);
a2a7852b 163
961ca3d8 164 if ($do_search && ! $sm_language && isset($accept_lang)) {
165 $sm_language = substr($accept_lang, 0, 2);
a2a7852b 166 }
66d7950f 167
67a8c90a 168 if ((!$sm_language||$default) && isset($squirrelmail_default_language)) {
a2a7852b 169 $squirrelmail_language = $squirrelmail_default_language;
66d7950f 170 $sm_language = $squirrelmail_default_language;
a2a7852b 171 }
172 $sm_notAlias = $sm_language;
3ec81e63 173
174 // Catching removed translation
175 // System reverts to English translation if user prefs contain translation
2ba706ef 176 // that is not available in $languages array
3ec81e63 177 if (!isset($languages[$sm_notAlias])) {
178 $sm_notAlias="en_US";
179 }
180
a2a7852b 181 while (isset($languages[$sm_notAlias]['ALIAS'])) {
182 $sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
183 }
184
88cb1b4d 185 if ( isset($sm_language) &&
5c920668 186 $use_gettext &&
187 $sm_language != '' &&
188 isset($languages[$sm_notAlias]['CHARSET']) ) {
a65846a7 189 bindtextdomain( 'squirrelmail', SM_PATH . 'locale/' );
88cb1b4d 190 textdomain( 'squirrelmail' );
7928848f 191 if (function_exists('bind_textdomain_codeset')) {
a5970d71 192 if ($sm_notAlias == 'ja_JP') {
193 bind_textdomain_codeset ("squirrelmail", 'EUC-JP');
194 } else {
195 bind_textdomain_codeset ("squirrelmail", $languages[$sm_notAlias]['CHARSET'] );
196 }
7928848f 197 }
f2374580 198 if (isset($languages[$sm_notAlias]['LOCALE'])){
199 $longlocale=$languages[$sm_notAlias]['LOCALE'];
200 } else {
201 $longlocale=$sm_notAlias;
202 }
88cb1b4d 203 if ( !ini_get('safe_mode') &&
f2374580 204 getenv( 'LC_ALL' ) != $longlocale ) {
205 putenv( "LC_ALL=$longlocale" );
206 putenv( "LANG=$longlocale" );
207 putenv( "LANGUAGE=$longlocale" );
a2a7852b 208 }
f2374580 209 setlocale(LC_ALL, $longlocale);
d9d28bdc 210
211 // Set text direction/alignment variables
212 if (isset($languages[$sm_notAlias]['DIR']) &&
213 $languages[$sm_notAlias]['DIR'] == 'rtl') {
214 $text_direction='rtl';
215 $left_align='right';
216 $right_align='left';
217 } else {
218 $text_direction='ltr';
219 $left_align='left';
220 $right_align='right';
221 }
222
f2374580 223 $squirrelmail_language = $sm_notAlias;
a5970d71 224 if ($squirrelmail_language == 'ja_JP') {
b05c8961 225 header ('Content-Type: text/html; charset=EUC-JP');
226 if (!function_exists('mb_internal_encoding')) {
51468260 227 // Error messages can't be displayed here
228 $error = 1;
229 // Revert to English if possible.
230 if (function_exists('setPref') && $username!='' && $data_dir!="") {
231 setPref($data_dir, $username, 'language', "en_US");
232 $error = 2;
233 }
a5970d71 234 // stop further execution in order not to get php errors on mb_internal_encoding().
51468260 235 return $error;
e842b215 236 }
237 if (function_exists('mb_language')) {
238 mb_language('Japanese');
b05c8961 239 }
240 mb_internal_encoding('EUC-JP');
241 mb_http_output('pass');
242 } else {
5c920668 243 header( 'Content-Type: text/html; charset=' . $languages[$sm_notAlias]['CHARSET'] );
a2a7852b 244 }
245}
51468260 246 return 0;
b05c8961 247}
a2a7852b 248
51468260 249/**
250 * Sets default_charset variable according to the one that is used by user's translations.
251 *
252 * Function changes global $default_charset variable in order to be sure, that it
253 * contains charset used by user's translation. Sanity of $squirrelmail_default_language
254 * and $default_charset combination provided in SquirrelMail config is also tested.
255 *
256 * There can be a $default_charset setting in the
257 * config.php file, but the user may have a different language
258 * selected for a user interface. This function checks the
259 * language selected by the user and tags the outgoing messages
260 * with the appropriate charset corresponding to the language
261 * selection. This is "more right" (tm), than just stamping the
262 * message blindly with the system-wide $default_charset.
263 */
a2a7852b 264function set_my_charset(){
94965562 265 global $data_dir, $username, $default_charset, $languages, $squirrelmail_default_language;
88cb1b4d 266
a2a7852b 267 $my_language = getPref($data_dir, $username, 'language');
5c920668 268 if (!$my_language) {
94965562 269 $my_language = $squirrelmail_default_language ;
5c920668 270 }
3ec81e63 271 // Catch removed translation
272 if (!isset($languages[$my_language])) {
273 $my_language="en_US";
274 }
a2a7852b 275 while (isset($languages[$my_language]['ALIAS'])) {
f7e8861e 276 $my_language = $languages[$my_language]['ALIAS'];
a2a7852b 277 }
5c920668 278 $my_charset = $languages[$my_language]['CHARSET'];
a2a7852b 279 if ($my_charset) {
280 $default_charset = $my_charset;
281 }
282}
283
a2a7852b 284/* ------------------------------ main --------------------------- */
285
5c920668 286global $squirrelmail_language, $languages, $use_gettext;
287
a2a7852b 288if (! isset($squirrelmail_language)) {
289 $squirrelmail_language = '';
290}
291
51468260 292/**
293 * Array specifies the available translations.
294 *
295 * Structure of array:
296 * $languages['language']['variable'] = 'value'
297 *
298 * Possible 'variable' names:
299 * NAME - Translation name in English
300 * CHARSET - Encoding used by translation
301 * ALIAS - used when 'language' is only short name and 'value' should provide long language name
302 * ALTNAME - Native translation name. Any 8bit symbols must be html encoded.
303 * LOCALE - Full locale name (in xx_XX.charset format)
304 * DIR - Text direction. Used to define Right-to-Left languages. Possible values 'rtl' or 'ltr'. If undefined - defaults to 'ltr'
305 * XTRA_CODE - translation uses special functions. 'value' provides name of that extra function
306 *
307 * Each 'language' definition requires NAME+CHARSET or ALIAS variables.
308 *
309 * @name $languages
310 * @global $languages
311 */
a8fa8e33 312$languages['bg_BG']['NAME'] = 'Bulgarian';
313$languages['bg_BG']['ALTNAME'] = '&#1041;&#1098;&#1083;&#1075;&#1072;&#1088;&#1089;&#1082;&#1080;';
314$languages['bg_BG']['CHARSET'] = 'windows-1251';
c30be3cf 315$languages['bg_BG']['LOCALE'] = 'bg_BG.CP1251';
a8fa8e33 316$languages['bg']['ALIAS'] = 'bg_BG';
317
318$languages['ca_ES']['NAME'] = 'Catalan';
319$languages['ca_ES']['CHARSET'] = 'iso-8859-1';
a00d341d 320$languages['ca_ES']['LOCALE'] = 'ca_ES.ISO8859-1';
a8fa8e33 321$languages['ca']['ALIAS'] = 'ca_ES';
322
323$languages['cs_CZ']['NAME'] = 'Czech';
324$languages['cs_CZ']['ALTNAME'] = '&#268;e&scaron;tina';
325$languages['cs_CZ']['CHARSET'] = 'iso-8859-2';
a00d341d 326$languages['cs_CZ']['LOCALE'] = 'cs_CZ.ISO8859-2';
a8fa8e33 327$languages['cs']['ALIAS'] = 'cs_CZ';
328
329$languages['cy_GB']['NAME'] = 'Welsh';
330$languages['cy_GB']['ALTNAME'] = 'Cymraeg';
331$languages['cy_GB']['CHARSET'] = 'iso-8859-1';
a00d341d 332$languages['cy_GB']['LOCALE'] = 'cy_GB.ISO8859-1';
a8fa8e33 333$languages['cy']['ALIAS'] = 'cy_GB';
334
335// Danish locale is da_DK.
336$languages['da_DK']['NAME'] = 'Danish';
337$languages['da_DK']['ALTNAME'] = 'Dansk';
338$languages['da_DK']['CHARSET'] = 'iso-8859-1';
a00d341d 339$languages['da_DK']['LOCALE'] = 'da_DK.ISO8859-1';
a8fa8e33 340$languages['da']['ALIAS'] = 'da_DK';
341
342$languages['de_DE']['NAME'] = 'German';
343$languages['de_DE']['ALTNAME'] = 'Deutsch';
344$languages['de_DE']['CHARSET'] = 'iso-8859-1';
a00d341d 345$languages['de_DE']['LOCALE'] = 'de_DE.ISO8859-1';
a8fa8e33 346$languages['de']['ALIAS'] = 'de_DE';
347
348$languages['el_GR']['NAME'] = 'Greek';
349$languages['el_GR']['ALTNAME'] = '&Epsilon;&lambda;&lambda;&eta;&nu;&iota;&kappa;&#940;';
350$languages['el_GR']['CHARSET'] = 'iso-8859-7';
a00d341d 351$languages['el_GR']['LOCALE'] = 'el_GR.ISO8859-7';
a8fa8e33 352$languages['el']['ALIAS'] = 'el_GR';
a2a7852b 353
3bb3d83b 354$languages['en_GB']['NAME'] = 'British';
355$languages['en_GB']['CHARSET'] = 'iso-8859-15';
a00d341d 356$languages['en_GB']['LOCALE'] = 'en_GB.ISO8859-15';
3bb3d83b 357
5c920668 358$languages['en_US']['NAME'] = 'English';
359$languages['en_US']['CHARSET'] = 'iso-8859-1';
a00d341d 360$languages['en_US']['LOCALE'] = 'en_US.ISO8859-1';
5c920668 361$languages['en']['ALIAS'] = 'en_US';
a2a7852b 362
a8fa8e33 363$languages['es_ES']['NAME'] = 'Spanish';
364$languages['es_ES']['ALTNAME'] = 'Espa&ntilde;ol';
365$languages['es_ES']['CHARSET'] = 'iso-8859-1';
a00d341d 366$languages['es_ES']['LOCALE'] = 'es_ES.ISO8859-1';
a8fa8e33 367$languages['es']['ALIAS'] = 'es_ES';
368
369$languages['et_EE']['NAME'] = 'Estonian';
370$languages['et_EE']['CHARSET'] = 'iso-8859-15';
a00d341d 371$languages['et_EE']['LOCALE'] = 'et_EE.ISO8859-15';
a8fa8e33 372$languages['et']['ALIAS'] = 'et_EE';
373
374$languages['fo_FO']['NAME'] = 'Faroese';
375$languages['fo_FO']['CHARSET'] = 'iso-8859-1';
a00d341d 376$languages['fo_FO']['LOCALE'] = 'fo_FO.ISO8859-1';
a8fa8e33 377$languages['fo']['ALIAS'] = 'fo_FO';
378
379$languages['fi_FI']['NAME'] = 'Finnish';
380$languages['fi_FI']['ALTNAME'] = 'Suomi';
381$languages['fi_FI']['CHARSET'] = 'iso-8859-1';
a00d341d 382$languages['fi_FI']['LOCALE'] = 'fi_FI.ISO8859-1';
a8fa8e33 383$languages['fi']['ALIAS'] = 'fi_FI';
384
385$languages['fr_FR']['NAME'] = 'French';
386$languages['fr_FR']['ALTNAME'] = 'Fran&#231;ais';
387$languages['fr_FR']['CHARSET'] = 'iso-8859-1';
a00d341d 388$languages['fr_FR']['LOCALE'] = 'fr_FR.ISO8859-1';
a8fa8e33 389$languages['fr']['ALIAS'] = 'fr_FR';
390
391$languages['hr_HR']['NAME'] = 'Croatian';
392$languages['hr_HR']['CHARSET'] = 'iso-8859-2';
a00d341d 393$languages['hr_HR']['LOCALE'] = 'hr_HR.ISO8859-2';
a8fa8e33 394$languages['hr']['ALIAS'] = 'hr_HR';
395
396$languages['hu_HU']['NAME'] = 'Hungarian';
397$languages['hu_HU']['ALTNAME'] = 'Magyar';
398$languages['hu_HU']['CHARSET'] = 'iso-8859-2';
a00d341d 399$languages['hu_HU']['LOCALE'] = 'hu_HU.ISO8859-2';
a8fa8e33 400$languages['hu']['ALIAS'] = 'hu_HU';
401
402$languages['id_ID']['NAME'] = 'Indonesian';
403$languages['id_ID']['ALTNAME'] = 'Bahasa Indonesia';
404$languages['id_ID']['CHARSET'] = 'iso-8859-1';
a00d341d 405$languages['id_ID']['LOCALE'] = 'id_ID.ISO8859-1';
a8fa8e33 406$languages['id']['ALIAS'] = 'id_ID';
407
408$languages['is_IS']['NAME'] = 'Icelandic';
409$languages['is_IS']['ALTNAME'] = '&Iacute;slenska';
410$languages['is_IS']['CHARSET'] = 'iso-8859-1';
a00d341d 411$languages['is_IS']['LOCALE'] = 'is_IS.ISO8859-1';
a8fa8e33 412$languages['is']['ALIAS'] = 'is_IS';
413
414$languages['it_IT']['NAME'] = 'Italian';
415$languages['it_IT']['CHARSET'] = 'iso-8859-1';
a00d341d 416$languages['it_IT']['LOCALE'] = 'it_IT.ISO8859-1';
a8fa8e33 417$languages['it']['ALIAS'] = 'it_IT';
418
419$languages['ja_JP']['NAME'] = 'Japanese';
420$languages['ja_JP']['ALTNAME'] = '&#26085;&#26412;&#35486;';
421$languages['ja_JP']['CHARSET'] = 'iso-2022-jp';
51468260 422$languages['ja_JP']['LOCALE'] = 'ja_JP.EUC-JP';
a8fa8e33 423$languages['ja_JP']['XTRA_CODE'] = 'japanese_charset_xtra';
424$languages['ja']['ALIAS'] = 'ja_JP';
425
426$languages['ko_KR']['NAME'] = 'Korean';
427$languages['ko_KR']['CHARSET'] = 'euc-KR';
c30be3cf 428$languages['ko_KR']['LOCALE'] = 'ko_KR.EUC-KR';
a8fa8e33 429$languages['ko_KR']['XTRA_CODE'] = 'korean_charset_xtra';
430$languages['ko']['ALIAS'] = 'ko_KR';
431
432$languages['lt_LT']['NAME'] = 'Lithuanian';
433$languages['lt_LT']['ALTNAME'] = 'Lietuvi&#371;';
434$languages['lt_LT']['CHARSET'] = 'utf-8';
435$languages['lt_LT']['LOCALE'] = 'lt_LT.UTF-8';
436$languages['lt']['ALIAS'] = 'lt_LT';
437
438$languages['nl_NL']['NAME'] = 'Dutch';
439$languages['nl_NL']['ALTNAME'] = 'Nederlands';
440$languages['nl_NL']['CHARSET'] = 'iso-8859-1';
a00d341d 441$languages['nl_NL']['LOCALE'] = 'nl_NL.ISO8859-1';
a8fa8e33 442$languages['nl']['ALIAS'] = 'nl_NL';
443
444$languages['ms_MY']['NAME'] = 'Malay';
445$languages['ms_MY']['ALTNAME'] = 'Bahasa Melayu';
446$languages['ms_MY']['CHARSET'] = 'iso-8859-1';
a00d341d 447$languages['ms_MY']['LOCALE'] = 'ms_MY.ISO8859-1';
a8fa8e33 448$languages['my']['ALIAS'] = 'ms_MY';
449
850db3c8 450$languages['nb_NO']['NAME'] = 'Norwegian (Bokm&aring;l)';
451$languages['nb_NO']['ALTNAME'] = 'Norsk (Bokm&aring;l)';
452$languages['nb_NO']['CHARSET'] = 'iso-8859-1';
a00d341d 453$languages['nb_NO']['LOCALE'] = 'nb_NO.ISO8859-1';
850db3c8 454$languages['nb']['ALIAS'] = 'nb_NO';
a8fa8e33 455
456$languages['nn_NO']['NAME'] = 'Norwegian (Nynorsk)';
457$languages['nn_NO']['ALTNAME'] = 'Norsk (Nynorsk)';
458$languages['nn_NO']['CHARSET'] = 'iso-8859-1';
a00d341d 459$languages['nn_NO']['LOCALE'] = 'nn_NO.ISO8859-1';
a8fa8e33 460
461$languages['pl_PL']['NAME'] = 'Polish';
462$languages['pl_PL']['ALTNAME'] = 'Polski';
463$languages['pl_PL']['CHARSET'] = 'iso-8859-2';
a00d341d 464$languages['pl_PL']['LOCALE'] = 'pl_PL.ISO8859-2';
a8fa8e33 465$languages['pl']['ALIAS'] = 'pl_PL';
466
467$languages['pt_PT']['NAME'] = 'Portuguese (Portugal)';
468$languages['pt_PT']['CHARSET'] = 'iso-8859-1';
a00d341d 469$languages['pt_PT']['LOCALE'] = 'pt_PT.ISO8859-1';
a8fa8e33 470$languages['pt']['ALIAS'] = 'pt_PT';
471
472$languages['pt_BR']['NAME'] = 'Portuguese (Brazil)';
473$languages['pt_BR']['ALTNAME'] = 'Portugu&ecirc;s do Brasil';
474$languages['pt_BR']['CHARSET'] = 'iso-8859-1';
a00d341d 475$languages['pt_BR']['LOCALE'] = 'pt_BR.ISO8859-1';
a8fa8e33 476
477$languages['ro_RO']['NAME'] = 'Romanian';
478$languages['ro_RO']['ALTNAME'] = 'Rom&acirc;n&#259;';
479$languages['ro_RO']['CHARSET'] = 'iso-8859-2';
a00d341d 480$languages['ro_RO']['LOCALE'] = 'ro_RO.ISO8859-2';
a8fa8e33 481$languages['ro']['ALIAS'] = 'ro_RO';
482
483$languages['ru_RU']['NAME'] = 'Russian';
484$languages['ru_RU']['ALTNAME'] = '&#1056;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;';
485$languages['ru_RU']['CHARSET'] = 'utf-8';
c30be3cf 486$languages['ru_RU']['LOCALE'] = 'ru_RU.UTF-8';
a8fa8e33 487$languages['ru']['ALIAS'] = 'ru_RU';
488
c30be3cf 489$languages['sk_SK']['NAME'] = 'Slovak';
490$languages['sk_SK']['CHARSET'] = 'iso-8859-2';
a00d341d 491$languages['sk_SK']['LOCALE'] = 'sk_SK.ISO8859-2';
c30be3cf 492$languages['sk']['ALIAS'] = 'sk_SK';
a8fa8e33 493
494$languages['sl_SI']['NAME'] = 'Slovenian';
495$languages['sl_SI']['ALTNAME'] = 'Sloven&scaron;&#269;ina';
496$languages['sl_SI']['CHARSET'] = 'iso-8859-2';
a00d341d 497$languages['sl_SI']['LOCALE'] = 'sl_SI.ISO8859-2';
a8fa8e33 498$languages['sl']['ALIAS'] = 'sl_SI';
499
500$languages['sr_YU']['NAME'] = 'Serbian';
501$languages['sr_YU']['ALTNAME'] = 'Srpski';
502$languages['sr_YU']['CHARSET'] = 'iso-8859-2';
a00d341d 503$languages['sr_YU']['LOCALE'] = 'sr_YU.ISO8859-2';
a8fa8e33 504$languages['sr']['ALIAS'] = 'sr_YU';
505
506$languages['sv_SE']['NAME'] = 'Swedish';
507$languages['sv_SE']['ALTNAME'] = 'Svenska';
508$languages['sv_SE']['CHARSET'] = 'iso-8859-1';
a00d341d 509$languages['sv_SE']['LOCALE'] = 'sv_SE.ISO8859-1';
a8fa8e33 510$languages['sv']['ALIAS'] = 'sv_SE';
511
512$languages['th_TH']['NAME'] = 'Thai';
513$languages['th_TH']['CHARSET'] = 'tis-620';
c30be3cf 514$languages['th_TH']['LOCALE'] = 'th_TH.TIS-620';
a8fa8e33 515$languages['th']['ALIAS'] = 'th_TH';
516
551a09c7 517$languages['tl_PH']['NAME'] = 'Tagalog';
518$languages['tl_PH']['CHARSET'] = 'iso-8859-1';
a00d341d 519$languages['tl_PH']['LOCALE'] = 'tl_PH.ISO8859-1';
551a09c7 520$languages['tl']['ALIAS'] = 'tl_PH';
521
a8fa8e33 522$languages['tr_TR']['NAME'] = 'Turkish';
523$languages['tr_TR']['CHARSET'] = 'iso-8859-9';
a00d341d 524$languages['tr_TR']['LOCALE'] = 'tr_TR.ISO8859-9';
a8fa8e33 525$languages['tr']['ALIAS'] = 'tr_TR';
526
527$languages['zh_TW']['NAME'] = 'Chinese Trad';
528$languages['zh_TW']['CHARSET'] = 'big5';
c30be3cf 529$languages['zh_TW']['LOCALE'] = 'zh_TW.BIG5';
a8fa8e33 530$languages['tw']['ALIAS'] = 'zh_TW';
531
532$languages['zh_CN']['NAME'] = 'Chinese Simp';
533$languages['zh_CN']['CHARSET'] = 'gb2312';
c30be3cf 534$languages['zh_CN']['LOCALE'] = 'zh_CN.GB2312';
a8fa8e33 535$languages['cn']['ALIAS'] = 'zh_CN';
060c9483 536
a8fa8e33 537$languages['uk_UA']['NAME'] = 'Ukrainian';
538$languages['uk_UA']['CHARSET'] = 'koi8-u';
c30be3cf 539$languages['uk_UA']['LOCALE'] = 'uk_UA.KOI8-U';
a8fa8e33 540$languages['uk']['ALIAS'] = 'uk_UA';
c30be3cf 541
542$languages['ru_UA']['NAME'] = 'Russian (Ukrainian)';
543$languages['ru_UA']['CHARSET'] = 'koi8-r';
544$languages['ru_UA']['LOCALE'] = 'ru_UA.KOI8-R';
545
87c6b544 546/*
850db3c8 547$languages['vi_VN']['NAME'] = 'Vietnamese';
548$languages['vi_VN']['CHARSET'] = 'utf-8';
549$languages['vi']['ALIAS'] = 'vi_VN';
87c6b544 550*/
a8fa8e33 551
d3b57948 552// Right to left languages
a8fa8e33 553$languages['ar']['NAME'] = 'Arabic';
554$languages['ar']['CHARSET'] = 'windows-1256';
555$languages['ar']['DIR'] = 'rtl';
556
4417eead 557$languages['fa_IR']['NAME'] = 'Farsi';
558$languages['fa_IR']['CHARSET'] = 'utf-8';
559$languages['fa_IR']['DIR'] = 'rtl';
560$languages['fa_IR']['LOCALE'] = 'fa_IR.UTF-8';
561$languages['fa']['ALIAS'] = 'fa_IR';
562
a8fa8e33 563$languages['he_IL']['NAME'] = 'Hebrew';
564$languages['he_IL']['CHARSET'] = 'windows-1255';
c30be3cf 565$languages['he_IL']['LOCALE'] = 'he_IL.CP1255';
a8fa8e33 566$languages['he_IL']['DIR'] = 'rtl';
567$languages['he']['ALIAS'] = 'he_IL';
d3b57948 568
5c920668 569/* Detect whether gettext is installed. */
a2a7852b 570$gettext_flags = 0;
571if (function_exists('_')) {
572 $gettext_flags += 1;
573}
574if (function_exists('bindtextdomain')) {
575 $gettext_flags += 2;
576}
577if (function_exists('textdomain')) {
578 $gettext_flags += 4;
579}
580
5c920668 581/* If gettext is fully loaded, cool */
a2a7852b 582if ($gettext_flags == 7) {
583 $use_gettext = true;
584}
5c920668 585/* If we can fake gettext, try that */
a2a7852b 586elseif ($gettext_flags == 0) {
587 $use_gettext = true;
e7ab8c9d 588 include_once(SM_PATH . 'functions/gettext.php');
a2a7852b 589} else {
5c920668 590 /* Uh-ho. A weird install */
a2a7852b 591 if (! $gettext_flags & 1) {
592 function _($str) {
593 return $str;
594 }
595 }
596 if (! $gettext_flags & 2) {
597 function bindtextdomain() {
598 return;
599 }
600 }
601 if (! $gettext_flags & 4) {
602 function textdomain() {
603 return;
604 }
605 }
606}
607
1d33e35e 608
51468260 609/**
1d33e35e 610 * Japanese charset extra function
611 *
51468260 612 * Action performed by function is defined by first argument.
613 * Default return value is defined by second argument.
614 * Use of third argument depends on action.
615 *
616 * @param string action performed by this function.
617 * possible values:
618 * decode - convert returned string to euc-jp. third argument unused
619 * encode - convert returned string to jis. third argument unused
620 * strimwidth - third argument=$width. trims string to $width symbols.
621 * encodeheader - create base64 encoded header in iso-2022-jp. third argument unused
622 * decodeheader - return human readable string from mime header. string is returned in euc-jp. third argument unused
623 * downloadfilename - third argument $useragent. Arguments provide browser info. Returns shift-jis or euc-jp encoded file name
624 * wordwrap - third argument=$wrap. wraps text at $wrap symbols
625 * utf7-imap_encode - returns string converted from euc-jp to utf7-imap. third argument unused
626 * utf7-imap_decode - returns string converted from utf7-imap to euc-jp. third argument unused
627 * @param string default return value
1d33e35e 628 */
629function japanese_charset_xtra() {
630 $ret = func_get_arg(1); /* default return value */
631 if (function_exists('mb_detect_encoding')) {
632 switch (func_get_arg(0)) { /* action */
633 case 'decode':
e842b215 634 $detect_encoding = @mb_detect_encoding($ret);
1d33e35e 635 if ($detect_encoding == 'JIS' ||
636 $detect_encoding == 'EUC-JP' ||
e842b215 637 $detect_encoding == 'SJIS' ||
638 $detect_encoding == 'UTF-8') {
1d33e35e 639
e842b215 640 $ret = mb_convert_kana(mb_convert_encoding($ret, 'EUC-JP', 'AUTO'), "KV");
1d33e35e 641 }
642 break;
643 case 'encode':
e842b215 644 $detect_encoding = @mb_detect_encoding($ret);
1d33e35e 645 if ($detect_encoding == 'JIS' ||
646 $detect_encoding == 'EUC-JP' ||
e842b215 647 $detect_encoding == 'SJIS' ||
648 $detect_encoding == 'UTF-8') {
1d33e35e 649
e842b215 650 $ret = mb_convert_encoding(mb_convert_kana($ret, "KV"), 'JIS', 'AUTO');
1d33e35e 651 }
652 break;
653 case 'strimwidth':
654 $width = func_get_arg(2);
655 $ret = mb_strimwidth($ret, 0, $width, '...');
656 break;
657 case 'encodeheader':
8ba05cbe 658 $result = '';
659 if (strlen($ret) > 0) {
660 $tmpstr = mb_substr($ret, 0, 1);
661 $prevcsize = strlen($tmpstr);
662 for ($i = 1; $i < mb_strlen($ret); $i++) {
663 $tmp = mb_substr($ret, $i, 1);
664 if (strlen($tmp) == $prevcsize) {
665 $tmpstr .= $tmp;
666 } else {
667 if ($prevcsize == 1) {
668 $result .= $tmpstr;
669 } else {
e842b215 670 $result .= str_replace(' ', '',
671 mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
8ba05cbe 672 }
673 $tmpstr = $tmp;
674 $prevcsize = strlen($tmp);
675 }
676 }
677 if (strlen($tmpstr)) {
678 if (strlen(mb_substr($tmpstr, 0, 1)) == 1)
679 $result .= $tmpstr;
680 else
e842b215 681 $result .= str_replace(' ', '',
682 mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
8ba05cbe 683 }
684 }
685 $ret = $result;
1d33e35e 686 break;
687 case 'decodeheader':
688 $ret = str_replace("\t", "", $ret);
689 if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', $ret))
e842b215 690 $ret = @mb_decode_mimeheader($ret);
691 $ret = @mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
1d33e35e 692 break;
693 case 'downloadfilename':
694 $useragent = func_get_arg(2);
695 if (strstr($useragent, 'Windows') !== false ||
696 strstr($useragent, 'Mac_') !== false) {
697 $ret = mb_convert_encoding($ret, 'SJIS', 'AUTO');
698 } else {
699 $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
700}
701 break;
e842b215 702 case 'wordwrap':
703 $no_begin = "\x21\x25\x29\x2c\x2e\x3a\x3b\x3f\x5d\x7d\xa1\xf1\xa1\xeb\xa1" .
704 "\xc7\xa1\xc9\xa2\xf3\xa1\xec\xa1\xed\xa1\xee\xa1\xa2\xa1\xa3\xa1\xb9" .
705 "\xa1\xd3\xa1\xd5\xa1\xd7\xa1\xd9\xa1\xdb\xa1\xcd\xa4\xa1\xa4\xa3\xa4" .
706 "\xa5\xa4\xa7\xa4\xa9\xa4\xc3\xa4\xe3\xa4\xe5\xa4\xe7\xa4\xee\xa1\xab" .
707 "\xa1\xac\xa1\xb5\xa1\xb6\xa5\xa1\xa5\xa3\xa5\xa5\xa5\xa7\xa5\xa9\xa5" .
708 "\xc3\xa5\xe3\xa5\xe5\xa5\xe7\xa5\xee\xa5\xf5\xa5\xf6\xa1\xa6\xa1\xbc" .
709 "\xa1\xb3\xa1\xb4\xa1\xaa\xa1\xf3\xa1\xcb\xa1\xa4\xa1\xa5\xa1\xa7\xa1" .
710 "\xa8\xa1\xa9\xa1\xcf\xa1\xd1";
711 $no_end = "\x5c\x24\x28\x5b\x7b\xa1\xf2\x5c\xa1\xc6\xa1\xc8\xa1\xd2\xa1" .
712 "\xd4\xa1\xd6\xa1\xd8\xa1\xda\xa1\xcc\xa1\xf0\xa1\xca\xa1\xce\xa1\xd0\xa1\xef";
713 $wrap = func_get_arg(2);
714
715 if (strlen($ret) >= $wrap &&
716 substr($ret, 0, 1) != '>' &&
717 strpos($ret, 'http://') === FALSE &&
718 strpos($ret, 'https://') === FALSE &&
719 strpos($ret, 'ftp://') === FALSE) {
720
721 $ret = mb_convert_kana($ret, "KV");
722
723 $line_new = '';
724 $ptr = 0;
725
726 while ($ptr < strlen($ret) - 1) {
727 $l = mb_strcut($ret, $ptr, $wrap);
728 $ptr += strlen($l);
729 $tmp = $l;
730
731 $l = mb_strcut($ret, $ptr, 2);
732 while (strlen($l) != 0 && mb_strpos($no_begin, $l) !== FALSE ) {
733 $tmp .= $l;
734 $ptr += strlen($l);
735 $l = mb_strcut($ret, $ptr, 1);
736 }
737 $line_new .= $tmp;
738 if ($ptr < strlen($ret) - 1)
739 $line_new .= "\n";
740 }
741 $ret = $line_new;
742 }
743 break;
744 case 'utf7-imap_encode':
745 $ret = mb_convert_encoding($ret, 'UTF7-IMAP', 'EUC-JP');
746 break;
747 case 'utf7-imap_decode':
748 $ret = mb_convert_encoding($ret, 'EUC-JP', 'UTF7-IMAP');
749 break;
1d33e35e 750 }
751 }
752 return $ret;
753}
754
755
51468260 756/**
757 * Korean charset extra functions
758 *
759 * Action performed by function is defined by first argument.
760 * Default return value is defined by second argument.
761 *
762 * @param string action performed by this function.
763 * possible values:
764 * downloadfilename - Hangul(Korean Character) Attached File Name Fix.
765 * @param string default return value
1d33e35e 766 */
767function korean_charset_xtra() {
768
769 $ret = func_get_arg(1); /* default return value */
770 if (func_get_arg(0) == 'downloadfilename') { /* action */
771 $ret = str_replace("\x0D\x0A", '', $ret); /* Hanmail's CR/LF Clear */
772 for ($i=0;$i<strlen($ret);$i++) {
773 if ($ret[$i] >= "\xA1" && $ret[$i] <= "\xFE") { /* 0xA1 - 0XFE are Valid */
774 $i++;
775 continue;
776 } else if (($ret[$i] >= 'a' && $ret[$i] <= 'z') || /* From Original ereg_replace in download.php */
777 ($ret[$i] >= 'A' && $ret[$i] <= 'Z') ||
778 ($ret[$i] == '.') || ($ret[$i] == '-')) {
779 continue;
780 } else {
781 $ret[$i] = '_';
782 }
783 }
784
785 }
1d33e35e 786 return $ret;
787}
788
db08d0c3 789/**
790 * Replaces non-braking spaces inserted by some browsers with regular space
791 *
9af9c0a2 792 * This function can be used to replace non-braking space symbols
793 * that are inserted in forms by some browsers instead of normal
794 * space symbol.
db08d0c3 795 *
796 * @param string $string Text that needs to be cleaned
797 * @param string $charset Charset used in text
798 * @return string Cleaned text
9af9c0a2 799 */
800function cleanup_nbsp($string,$charset) {
801
802 // reduce number of case statements
803 if (stristr('iso-8859-',substr($charset,0,9))){
804 $output_charset="iso-8859-x";
805 }
806 if (stristr('windows-125',substr($charset,0,11))){
807 $output_charset="cp125x";
808 }
809 if (stristr('koi8',substr($charset,0,4))){
810 $output_charset="koi8-x";
811 }
812 if (! isset($output_charset)){
813 $output_charset=strtolower($charset);
814 }
815
816// where is non-braking space symbol
817switch($output_charset):
818 case "iso-8859-x":
97b9c02f 819 case "cp125x":
820 case "iso-2022-jp":
9af9c0a2 821 $nbsp="\xA0";
822 break;
9af9c0a2 823 case "koi8-x":
824 $nbsp="\x9A";
825 break;
826 case "utf-8":
827 $nbsp="\xC2\xA0";
828 break;
9af9c0a2 829 default:
830 // don't change string if charset is unmatched
831 return $string;
832endswitch;
833
834// return space instead of non-braking space.
835 return str_replace($nbsp,' ',$string);
836}
4e519821 837
db08d0c3 838/**
839 * Function informs if it is safe to convert given charset to the one that is used by user.
840 *
841 * It is safe to use conversion only if user uses utf-8 encoding and when
842 * converted charset is similar to the one that is used by user.
843 *
844 * @param string $input_charset Charset of text that needs to be converted
845 * @return bool is it possible to convert to user's charset
846 */
4e519821 847function is_conversion_safe($input_charset) {
848 global $languages, $sm_notAlias, $default_charset;
849
850 // convert to lower case
851 $input_charset = strtolower($input_charset);
852
853 // Is user's locale Unicode based ?
854 if ( $default_charset == "utf-8" ) {
855 return true;
856 }
857
858 // Charsets that are similar
859switch ($default_charset):
860case "windows-1251":
861 if ( $input_charset == "iso-8859-5" ||
862 $input_charset == "koi8-r" ||
863 $input_charset == "koi8-u" ) {
864 return true;
865 } else {
866 return false;
867 }
868case "windows-1257":
869 if ( $input_charset == "iso-8859-13" ||
870 $input_charset == "iso-8859-4" ) {
871 return true;
872 } else {
873 return false;
874 }
875case "iso-8859-4":
876 if ( $input_charset == "iso-8859-13" ||
877 $input_charset == "windows-1257" ) {
878 return true;
879 } else {
880 return false;
881 }
882case "iso-8859-5":
883 if ( $input_charset == "windows-1251" ||
884 $input_charset == "koi8-r" ||
885 $input_charset == "koi8-u" ) {
886 return true;
887 } else {
888 return false;
889 }
890case "iso-8859-13":
891 if ( $input_charset == "iso-8859-4" ||
892 $input_charset == "windows-1257" ) {
893 return true;
894 } else {
895 return false;
896 }
897case "koi8-r":
898 if ( $input_charset == "windows-1251" ||
899 $input_charset == "iso-8859-5" ||
900 $input_charset == "koi8-u" ) {
901 return true;
902 } else {
903 return false;
904 }
905case "koi8-u":
906 if ( $input_charset == "windows-1251" ||
907 $input_charset == "iso-8859-5" ||
908 $input_charset == "koi8-r" ) {
909 return true;
910 } else {
911 return false;
912 }
913default:
914 return false;
915endswitch;
916}
51468260 917?>