3 * SquirrelMail internationalization functions
5 * Copyright (c) 1999-2005 The SquirrelMail Project Team
6 * Licensed under the GNU GPL. For full terms see the file COPYING.
8 * This file contains variuos functions that are needed to do
9 * internationalization of SquirrelMail.
11 * Internally the output character set is used. Other characters are
12 * encoded using Unicode entities according to HTML 4.0.
15 * @package squirrelmail
19 /** Everything uses global.php... */
20 require_once(SM_PATH
. 'functions/global.php');
23 * Gettext bindtextdomain wrapper.
25 * Wrapper solves differences between php versions in order to provide
26 * ngettext support. Should be used if translation uses ngettext
29 * @param string $domain gettext domain name
30 * @param string $dir directory that contains all translations
31 * @return string path to translation directory
33 function sq_bindtextdomain($domain,$dir) {
34 global $l10n, $gettext_flags, $sm_notAlias;
36 if ($gettext_flags==7) {
37 // gettext extension without ngettext
38 if (substr($dir, -1) != '/') $dir .= '/';
39 $mofile=$dir . $sm_notAlias . '/LC_MESSAGES/' . $domain . '.mo';
40 $input = new FileReader($mofile);
41 $l10n[$domain] = new gettext_reader($input);
44 $dir=bindtextdomain($domain,$dir);
50 * Gettext textdomain wrapper.
51 * Makes sure that gettext_domain global is modified.
53 * @param string $name gettext domain name
54 * @return string gettext domain name
56 function sq_textdomain($domain) {
57 global $gettext_domain;
58 $gettext_domain=textdomain($domain);
59 return $gettext_domain;
63 * php setlocale function wrapper
65 * From php 4.3.0 it is possible to use arrays in order to set locale.
66 * php gettext extension works only when locale is set. This wrapper
67 * function allows to use more than one locale name.
69 * @param int $category locale category name. Use php named constants
70 * (LC_ALL, LC_COLLATE, LC_CTYPE, LC_MONETARY, LC_NUMERIC, LC_TIME)
71 * @param mixed $locale option contains array with possible locales or string with one locale
72 * @return string name of set locale or false, if all locales fail.
74 * @see http://www.php.net/setlocale
76 function sq_setlocale($category,$locale) {
77 // string with only one locale
78 if (is_string($locale))
79 return setlocale($category,$locale);
81 if (! check_php_version(4,3)) {
84 while ( ! $ret && $index<count($locale)) {
85 $ret=setlocale($category,$locale[$index]);
89 // php 4.3.0 or better, use entire array
90 $ret=setlocale($category,$locale);
96 * Converts string from given charset to charset, that can be displayed by user translation.
98 * Function by default returns html encoded strings, if translation uses different encoding.
99 * If Japanese translation is used - function returns string converted to euc-jp
100 * If iconv or recode functions are enabled and translation uses utf-8 - function returns utf-8 encoded string.
101 * If $charset is not supported - function returns unconverted string.
103 * sanitizing of html tags is also done by this function.
105 * @param string $charset
106 * @param string $string Text to be decoded
107 * @param boolean $force_decode converts string to html without $charset!=$default_charset check.
108 * Argument is available since 1.5.1.
109 * @return string decoded string
111 function charset_decode ($charset, $string, $force_decode=false) {
112 global $languages, $squirrelmail_language, $default_charset;
113 global $use_php_recode, $use_php_iconv, $aggressive_decoding;
115 if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
116 function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
117 $string = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $string);
120 $charset = strtolower($charset);
124 // Variables that allow to use functions without function_exist() calls
125 if (! isset($use_php_recode) ||
$use_php_recode=="" ) {
126 $use_php_recode=false; }
127 if (! isset($use_php_iconv) ||
$use_php_iconv=="" ) {
128 $use_php_iconv=false; }
130 // Don't do conversion if charset is the same.
131 if ( ! $force_decode && $charset == strtolower($default_charset) )
132 return htmlspecialchars($string);
134 // catch iso-8859-8-i thing
135 if ( $charset == "iso-8859-8-i" )
136 $charset = "iso-8859-8";
139 * Recode converts html special characters automatically if you use
140 * 'charset..html' decoding. There is no documented way to put -d option
141 * into php recode function call.
143 if ( $use_php_recode ) {
144 if ( $default_charset == "utf-8" ) {
145 // other charsets can be converted to utf-8 without loss.
146 // and output string is smaller
147 $string = recode_string($charset . "..utf-8",$string);
148 return htmlspecialchars($string);
150 $string = recode_string($charset . "..html",$string);
151 // recode does not convert single quote, htmlspecialchars does.
152 $string = str_replace("'", ''', $string);
157 // iconv functions does not have html target and can be used only with utf-8
158 if ( $use_php_iconv && $default_charset=='utf-8') {
159 $string = iconv($charset,$default_charset,$string);
160 return htmlspecialchars($string);
163 // If we don't use recode and iconv, we'll do it old way.
165 /* All HTML special characters are 7 bit and can be replaced first */
167 $string = htmlspecialchars ($string);
169 /* controls cpu and memory intensive decoding cycles */
170 if (! isset($aggressive_decoding) ||
$aggressive_decoding=="" ) {
171 $aggressive_decoding=false; }
173 $decode=fixcharset($charset);
174 $decodefile=SM_PATH
. 'functions/decode/' . $decode . '.php';
175 if (file_exists($decodefile)) {
176 include_once($decodefile);
177 $ret = call_user_func('charset_decode_'.$decode, $string);
185 * Converts html string to given charset
187 * @param string $string
188 * @param string $charset
189 * @param boolean $htmlencode keep htmlspecialchars encoding
192 function charset_encode($string,$charset,$htmlencode=true) {
193 global $default_charset;
195 $encode=fixcharset($charset);
196 $encodefile=SM_PATH
. 'functions/encode/' . $encode . '.php';
197 if (file_exists($encodefile)) {
198 include_once($encodefile);
199 $ret = call_user_func('charset_encode_'.$encode, $string);
201 include_once(SM_PATH
. 'functions/encode/us_ascii.php');
202 $ret = charset_encode_us_ascii($string);
206 * Undo html special chars, some places (like compose form) have
207 * own sanitizing functions and don't need html symbols.
208 * Undo chars only after encoding in order to prevent conversion of
209 * html entities in plain text emails.
211 if (! $htmlencode ) {
212 $ret = str_replace(array('&','>','<','"'),array('&','>','<','"'),$ret);
218 * Combined decoding and encoding functions
220 * If conversion is done to charset different that utf-8, unsupported symbols
221 * will be replaced with question marks.
223 * @param string $in_charset initial charset
224 * @param string $string string that has to be converted
225 * @param string $out_charset final charset
226 * @param boolean $htmlencode keep htmlspecialchars encoding
227 * @return string converted string
229 function charset_convert($in_charset,$string,$out_charset,$htmlencode=true) {
230 $string=charset_decode($in_charset,$string,true);
231 $string=charset_encode($string,$out_charset,$htmlencode);
236 * Makes charset name suitable for decoding cycles
239 * @param string $charset Name of charset
240 * @return string $charset Adjusted name of charset
242 function fixcharset($charset) {
243 /* remove minus and characters that might be used in paths from charset
244 * name in order to be able to use it in function names and include calls.
246 $charset=preg_replace("/[-:.\/\\\]/",'_',$charset);
248 // windows-125x and cp125x charsets
249 $charset=str_replace('windows_','cp',$charset);
252 $charset=str_replace('ibm','cp',$charset);
254 // iso-8859-8-i -> iso-8859-8
255 // use same cycle until I'll find differences
256 $charset=str_replace('iso_8859_8_i','iso_8859_8',$charset);
262 * Set up the language to be output
263 * if $do_search is true, then scan the browser information
264 * for a possible language that we know
266 * Function sets system locale environment (LC_ALL, LANG, LANGUAGE),
267 * gettext translation bindings and html header information.
269 * Function returns error codes, if there is some fatal error.
271 * 1 = mbstring support is not present,
272 * 2 = mbstring support is not present, user's translation reverted to en_US.
274 * @param string $sm_language translation used by user's interface
275 * @param bool $do_search use browser's preferred language detection functions. Defaults to false.
276 * @param bool $default set $sm_language to $squirrelmail_default_language if language detection fails or language is not set. Defaults to false.
277 * @return int function execution error codes.
279 function set_up_language($sm_language, $do_search = false, $default = false) {
281 static $SetupAlready = 0;
282 global $use_gettext, $languages,
283 $squirrelmail_language, $squirrelmail_default_language, $default_charset,
284 $sm_notAlias, $username, $data_dir;
290 $SetupAlready = TRUE;
291 sqgetGlobalVar('HTTP_ACCEPT_LANGUAGE', $accept_lang, SQ_SERVER
);
293 if ($do_search && ! $sm_language && isset($accept_lang)) {
294 $sm_language = substr($accept_lang, 0, 2);
297 if ((!$sm_language||
$default) && isset($squirrelmail_default_language)) {
298 $squirrelmail_language = $squirrelmail_default_language;
299 $sm_language = $squirrelmail_default_language;
301 $sm_notAlias = $sm_language;
303 // Catching removed translation
304 // System reverts to English translation if user prefs contain translation
305 // that is not available in $languages array
306 if (!isset($languages[$sm_notAlias])) {
307 $sm_notAlias="en_US";
310 while (isset($languages[$sm_notAlias]['ALIAS'])) {
311 $sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
314 if ( isset($sm_language) &&
316 $sm_language != '' &&
317 isset($languages[$sm_notAlias]['CHARSET']) ) {
318 sq_bindtextdomain( 'squirrelmail', SM_PATH
. 'locale/' );
319 sq_textdomain( 'squirrelmail' );
321 // set codeset in order to avoid gettext charset conversions
322 if (function_exists('bind_textdomain_codeset')) {
323 // Japanese translation uses different internal charset
324 if ($sm_notAlias == 'ja_JP') {
325 bind_textdomain_codeset ('squirrelmail', 'EUC-JP');
327 bind_textdomain_codeset ('squirrelmail', $languages[$sm_notAlias]['CHARSET'] );
331 // Use LOCALE key, if it is set.
332 if (isset($languages[$sm_notAlias]['LOCALE'])){
333 $longlocale=$languages[$sm_notAlias]['LOCALE'];
335 $longlocale=$sm_notAlias;
338 // try setting locale
339 $retlocale=sq_setlocale(LC_ALL
, $longlocale);
341 // check if locale is set and assign that locale to $longlocale
342 // in order to use it in putenv calls.
343 if (! is_bool($retlocale)) {
344 $longlocale=$retlocale;
345 } elseif (is_array($longlocale)) {
346 // setting of all locales failed.
347 // we need string instead of array used in LOCALE key.
348 $longlocale=$sm_notAlias;
351 if ( !((bool)ini_get('safe_mode')) &&
352 getenv( 'LC_ALL' ) != $longlocale ) {
353 putenv( "LC_ALL=$longlocale" );
354 putenv( "LANG=$longlocale" );
355 putenv( "LANGUAGE=$longlocale" );
356 putenv( "LC_NUMERIC=C" );
357 if ($sm_notAlias=='tr_TR') putenv( "LC_CTYPE=C" );
359 // Workaround for plugins that use numbers with floating point
360 // It might be removed if plugins use correct decimal delimiters
361 // according to locale settings.
362 setlocale(LC_NUMERIC
, 'C');
363 // Workaround for specific Turkish strtolower/strtoupper rules.
364 // Many functions expect English conversion rules.
365 if ($sm_notAlias=='tr_TR') setlocale(LC_CTYPE
,'C');
367 // Set text direction/alignment variables
368 // These don't appear to be used... are they safe to remove?
369 if (isset($languages[$sm_notAlias]['DIR']) &&
370 $languages[$sm_notAlias]['DIR'] == 'rtl') {
373 * @global string $text_direction
375 $text_direction='rtl';
378 * @global string $left_align
383 * @global string $right_align
387 $text_direction='ltr';
389 $right_align='right';
392 $squirrelmail_language = $sm_notAlias;
393 if ($squirrelmail_language == 'ja_JP') {
394 header ('Content-Type: text/html; charset=EUC-JP');
395 if (!function_exists('mb_internal_encoding')) {
396 // Error messages can't be displayed here
398 // Revert to English if possible.
399 if (function_exists('setPref') && $username!='' && $data_dir!="") {
400 setPref($data_dir, $username, 'language', "en_US");
403 // stop further execution in order not to get php errors on mb_internal_encoding().
406 if (function_exists('mb_language')) {
407 mb_language('Japanese');
409 mb_internal_encoding('EUC-JP');
410 mb_http_output('pass');
411 } elseif ($squirrelmail_language == 'en_US') {
412 header( 'Content-Type: text/html; charset=' . $default_charset );
414 header( 'Content-Type: text/html; charset=' . $languages[$sm_notAlias]['CHARSET'] );
421 * Sets default_charset variable according to the one that is used by user's translations.
423 * Function changes global $default_charset variable in order to be sure, that it
424 * contains charset used by user's translation. Sanity of $squirrelmail_default_language
425 * and $default_charset combination provided in SquirrelMail config is also tested.
427 * There can be a $default_charset setting in the
428 * config.php file, but the user may have a different language
429 * selected for a user interface. This function checks the
430 * language selected by the user and tags the outgoing messages
431 * with the appropriate charset corresponding to the language
432 * selection. This is "more right" (tm), than just stamping the
433 * message blindly with the system-wide $default_charset.
435 function set_my_charset(){
436 global $data_dir, $username, $default_charset, $languages, $squirrelmail_default_language;
438 $my_language = getPref($data_dir, $username, 'language');
440 $my_language = $squirrelmail_default_language ;
442 // Catch removed translation
443 if (!isset($languages[$my_language])) {
444 $my_language="en_US";
446 while (isset($languages[$my_language]['ALIAS'])) {
447 $my_language = $languages[$my_language]['ALIAS'];
449 $my_charset = $languages[$my_language]['CHARSET'];
450 if ($my_language!='en_US') {
451 $default_charset = $my_charset;
455 /**************************
456 * Japanese extra functions
457 **************************/
460 * Japanese decoding function
462 * converts string to euc-jp, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
463 * charset. Needs mbstring support in php.
464 * @param string $ret text, that has to be converted
465 * @return string converted string
468 function japanese_xtra_decode($ret) {
469 if (function_exists('mb_detect_encoding')) {
470 $detect_encoding = @mb_detect_encoding
($ret);
471 if ($detect_encoding == 'JIS' ||
472 $detect_encoding == 'EUC-JP' ||
473 $detect_encoding == 'SJIS' ||
474 $detect_encoding == 'UTF-8') {
476 $ret = mb_convert_kana(mb_convert_encoding($ret, 'EUC-JP', 'AUTO'), "KV");
483 * Japanese encoding function
485 * converts string to jis, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
486 * charset. Needs mbstring support in php.
487 * @param string $ret text, that has to be converted
488 * @return string converted text
491 function japanese_xtra_encode($ret) {
492 if (function_exists('mb_detect_encoding')) {
493 $detect_encoding = @mb_detect_encoding
($ret);
494 if ($detect_encoding == 'JIS' ||
495 $detect_encoding == 'EUC-JP' ||
496 $detect_encoding == 'SJIS' ||
497 $detect_encoding == 'UTF-8') {
499 $ret = mb_convert_encoding(mb_convert_kana($ret, "KV"), 'JIS', 'AUTO');
506 * Japanese header encoding function
508 * creates base64 encoded header in iso-2022-jp charset
509 * @param string $ret text, that has to be converted
510 * @return string mime base64 encoded string
513 function japanese_xtra_encodeheader($ret) {
514 if (function_exists('mb_detect_encoding')) {
516 if (strlen($ret) > 0) {
517 $tmpstr = mb_substr($ret, 0, 1);
518 $prevcsize = strlen($tmpstr);
519 for ($i = 1; $i < mb_strlen($ret); $i++
) {
520 $tmp = mb_substr($ret, $i, 1);
521 if (strlen($tmp) == $prevcsize) {
524 if ($prevcsize == 1) {
527 $result .= str_replace(' ', '',
528 mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
531 $prevcsize = strlen($tmp);
534 if (strlen($tmpstr)) {
535 if (strlen(mb_substr($tmpstr, 0, 1)) == 1)
538 $result .= str_replace(' ', '',
539 mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
548 * Japanese header decoding function
550 * return human readable string from mime header. string is returned in euc-jp
552 * @param string $ret header string
553 * @return string decoded header string
556 function japanese_xtra_decodeheader($ret) {
557 if (function_exists('mb_detect_encoding')) {
558 $ret = str_replace("\t", "", $ret);
559 if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', $ret))
560 $ret = @mb_decode_mimeheader
($ret);
561 $ret = @mb_convert_encoding
($ret, 'EUC-JP', 'AUTO');
567 * Japanese downloaded filename processing function
569 * Returns shift-jis or euc-jp encoded file name
570 * @param string $ret string
571 * @param string $useragent browser
572 * @return string converted string
575 function japanese_xtra_downloadfilename($ret,$useragent) {
576 if (function_exists('mb_detect_encoding')) {
577 if (strstr($useragent, 'Windows') !== false ||
578 strstr($useragent, 'Mac_') !== false) {
579 $ret = mb_convert_encoding($ret, 'SJIS', 'AUTO');
581 $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
588 * Japanese wordwrap function
590 * wraps text at set number of symbols
591 * @param string $ret text
592 * @param integer $wrap number of symbols per line
593 * @return string wrapped text
596 function japanese_xtra_wordwrap($ret,$wrap) {
597 if (function_exists('mb_detect_encoding')) {
598 $no_begin = "\x21\x25\x29\x2c\x2e\x3a\x3b\x3f\x5d\x7d\xa1\xf1\xa1\xeb\xa1" .
599 "\xc7\xa1\xc9\xa2\xf3\xa1\xec\xa1\xed\xa1\xee\xa1\xa2\xa1\xa3\xa1\xb9" .
600 "\xa1\xd3\xa1\xd5\xa1\xd7\xa1\xd9\xa1\xdb\xa1\xcd\xa4\xa1\xa4\xa3\xa4" .
601 "\xa5\xa4\xa7\xa4\xa9\xa4\xc3\xa4\xe3\xa4\xe5\xa4\xe7\xa4\xee\xa1\xab" .
602 "\xa1\xac\xa1\xb5\xa1\xb6\xa5\xa1\xa5\xa3\xa5\xa5\xa5\xa7\xa5\xa9\xa5" .
603 "\xc3\xa5\xe3\xa5\xe5\xa5\xe7\xa5\xee\xa5\xf5\xa5\xf6\xa1\xa6\xa1\xbc" .
604 "\xa1\xb3\xa1\xb4\xa1\xaa\xa1\xf3\xa1\xcb\xa1\xa4\xa1\xa5\xa1\xa7\xa1" .
605 "\xa8\xa1\xa9\xa1\xcf\xa1\xd1";
606 // This don't appear to be used... is it safe to remove?
607 $no_end = "\x5c\x24\x28\x5b\x7b\xa1\xf2\x5c\xa1\xc6\xa1\xc8\xa1\xd2\xa1" .
608 "\xd4\xa1\xd6\xa1\xd8\xa1\xda\xa1\xcc\xa1\xf0\xa1\xca\xa1\xce\xa1\xd0\xa1\xef";
610 if (strlen($ret) >= $wrap &&
611 substr($ret, 0, 1) != '>' &&
612 strpos($ret, 'http://') === FALSE &&
613 strpos($ret, 'https://') === FALSE &&
614 strpos($ret, 'ftp://') === FALSE) {
616 $ret = mb_convert_kana($ret, "KV");
621 while ($ptr < strlen($ret) - 1) {
622 $l = mb_strcut($ret, $ptr, $wrap);
626 $l = mb_strcut($ret, $ptr, 2);
627 while (strlen($l) != 0 && mb_strpos($no_begin, $l) !== FALSE ) {
630 $l = mb_strcut($ret, $ptr, 1);
633 if ($ptr < strlen($ret) - 1)
643 * Japanese imap folder name encoding function
645 * converts folder name from euc-jp to utf7-imap
646 * @param string $ret folder name
647 * @return string converted folder name
650 function japanese_xtra_utf7_imap_encode($ret){
651 if (function_exists('mb_detect_encoding')) {
652 $ret = mb_convert_encoding($ret, 'UTF7-IMAP', 'EUC-JP');
658 * Japanese imap folder name decoding function
660 * converts folder name from utf7-imap to euc-jp.
661 * @param string $ret folder name in utf7-imap
662 * @return string converted folder name
665 function japanese_xtra_utf7_imap_decode($ret) {
666 if (function_exists('mb_detect_encoding')) {
667 $ret = mb_convert_encoding($ret, 'EUC-JP', 'UTF7-IMAP');
673 * Japanese string trimming function
675 * trims string to defined number of symbols
676 * @param string $ret string
677 * @param integer $width number of symbols
678 * @return string trimmed string
681 function japanese_xtra_strimwidth($ret,$width) {
682 if (function_exists('mb_detect_encoding')) {
683 $ret = mb_strimwidth($ret, 0, $width, '...');
688 /********************************
689 * Korean charset extra functions
690 ********************************/
693 * Korean downloaded filename processing functions
695 * @param string default return value
699 function korean_xtra_downloadfilename($ret) {
700 $ret = str_replace("\x0D\x0A", '', $ret); /* Hanmail's CR/LF Clear */
701 for ($i=0;$i<strlen($ret);$i++
) {
702 if ($ret[$i] >= "\xA1" && $ret[$i] <= "\xFE") { /* 0xA1 - 0XFE are Valid */
705 } else if (($ret[$i] >= 'a' && $ret[$i] <= 'z') ||
/* From Original ereg_replace in download.php */
706 ($ret[$i] >= 'A' && $ret[$i] <= 'Z') ||
707 ($ret[$i] == '.') ||
($ret[$i] == '-')) {
717 * Replaces non-braking spaces inserted by some browsers with regular space
719 * This function can be used to replace non-braking space symbols
720 * that are inserted in forms by some browsers instead of normal
723 * @param string $string Text that needs to be cleaned
724 * @param string $charset Charset used in text
725 * @return string Cleaned text
727 function cleanup_nbsp($string,$charset) {
729 // reduce number of case statements
730 if (stristr('iso-8859-',substr($charset,0,9))){
731 $output_charset="iso-8859-x";
733 if (stristr('windows-125',substr($charset,0,11))){
734 $output_charset="cp125x";
736 if (stristr('koi8',substr($charset,0,4))){
737 $output_charset="koi8-x";
739 if (! isset($output_charset)){
740 $output_charset=strtolower($charset);
743 // where is non-braking space symbol
744 switch($output_charset):
757 // don't change string if charset is unmatched
761 // return space instead of non-braking space.
762 return str_replace($nbsp,' ',$string);
766 * Function informs if it is safe to convert given charset to the one that is used by user.
768 * It is safe to use conversion only if user uses utf-8 encoding and when
769 * converted charset is similar to the one that is used by user.
771 * @param string $input_charset Charset of text that needs to be converted
772 * @return bool is it possible to convert to user's charset
774 function is_conversion_safe($input_charset) {
775 global $languages, $sm_notAlias, $default_charset, $lossy_encoding;
777 if (isset($lossy_encoding) && $lossy_encoding )
780 // convert to lower case
781 $input_charset = strtolower($input_charset);
783 // Is user's locale Unicode based ?
784 if ( $default_charset == "utf-8" ) {
788 // Charsets that are similar
789 switch ($default_charset):
791 if ( $input_charset == "iso-8859-5" ||
792 $input_charset == "koi8-r" ||
793 $input_charset == "koi8-u" ) {
799 if ( $input_charset == "iso-8859-13" ||
800 $input_charset == "iso-8859-4" ) {
806 if ( $input_charset == "iso-8859-13" ||
807 $input_charset == "windows-1257" ) {
813 if ( $input_charset == "windows-1251" ||
814 $input_charset == "koi8-r" ||
815 $input_charset == "koi8-u" ) {
821 if ( $input_charset == "iso-8859-4" ||
822 $input_charset == "windows-1257" ) {
828 if ( $input_charset == "windows-1251" ||
829 $input_charset == "iso-8859-5" ||
830 $input_charset == "koi8-u" ) {
836 if ( $input_charset == "windows-1251" ||
837 $input_charset == "iso-8859-5" ||
838 $input_charset == "koi8-r" ) {
849 /* ------------------------------ main --------------------------- */
851 global $squirrelmail_language, $languages, $use_gettext;
853 if (! isset($squirrelmail_language)) {
854 $squirrelmail_language = '';
858 * Array specifies the available translations.
860 * Structure of array:
861 * $languages['language']['variable'] = 'value'
863 * Possible 'variable' names:
864 * NAME - Translation name in English
865 * CHARSET - Encoding used by translation
866 * ALIAS - used when 'language' is only short name and 'value' should provide long language name
867 * ALTNAME - Native translation name. Any 8bit symbols must be html encoded.
868 * LOCALE - Full locale name (in xx_XX.charset format)
869 * DIR - Text direction. Used to define Right-to-Left languages. Possible values 'rtl' or 'ltr'. If undefined - defaults to 'ltr'
870 * XTRA_CODE - translation uses special functions. See doc/i18n.txt
872 * Each 'language' definition requires NAME+CHARSET or ALIAS variables.
875 * @global array $languages
877 $languages['bg_BG']['NAME'] = 'Bulgarian';
878 $languages['bg_BG']['ALTNAME'] = 'Български';
879 $languages['bg_BG']['CHARSET'] = 'windows-1251';
880 $languages['bg_BG']['LOCALE'] = 'bg_BG.CP1251';
881 $languages['bg']['ALIAS'] = 'bg_BG';
883 $languages['bn_IN']['NAME'] = 'Bengali';
884 $languages['bn_IN']['CHARSET'] = 'utf-8';
885 $languages['bn_IN']['LOCALE'] = 'bn_IN.UTF-8';
886 $languages['bn_BD']['ALIAS'] = 'bn_IN';
887 $languages['bn']['ALIAS'] = 'bn_IN';
889 $languages['ca_ES']['NAME'] = 'Catalan';
890 $languages['ca_ES']['CHARSET'] = 'iso-8859-1';
891 $languages['ca_ES']['LOCALE'] = array('ca_ES.ISO8859-1','ca_ES.ISO-8859-1','ca_ES');
892 $languages['ca']['ALIAS'] = 'ca_ES';
894 $languages['cs_CZ']['NAME'] = 'Czech';
895 $languages['cs_CZ']['ALTNAME'] = 'Čeština';
896 $languages['cs_CZ']['CHARSET'] = 'iso-8859-2';
897 $languages['cs_CZ']['LOCALE'] = array('cs_CZ.ISO8859-2','cs_CZ.ISO-8859-2','cs_CZ');
898 $languages['cs']['ALIAS'] = 'cs_CZ';
900 $languages['cy_GB']['NAME'] = 'Welsh';
901 $languages['cy_GB']['ALTNAME'] = 'Cymraeg';
902 $languages['cy_GB']['CHARSET'] = 'iso-8859-1';
903 $languages['cy_GB']['LOCALE'] = array('cy_GB.ISO8859-1','cy_GB.ISO-8859-1','cy_GB');
904 $languages['cy']['ALIAS'] = 'cy_GB';
906 // Danish locale is da_DK.
907 $languages['da_DK']['NAME'] = 'Danish';
908 $languages['da_DK']['ALTNAME'] = 'Dansk';
909 $languages['da_DK']['CHARSET'] = 'iso-8859-1';
910 $languages['da_DK']['LOCALE'] = array('da_DK.ISO8859-1','da_DK.ISO-8859-1','da_DK');
911 $languages['da']['ALIAS'] = 'da_DK';
913 $languages['de_DE']['NAME'] = 'German';
914 $languages['de_DE']['ALTNAME'] = 'Deutsch';
915 $languages['de_DE']['CHARSET'] = 'iso-8859-1';
916 $languages['de_DE']['LOCALE'] = array('de_DE.ISO8859-1','de_DE.ISO-8859-1','de_DE');
917 $languages['de']['ALIAS'] = 'de_DE';
919 $languages['el_GR']['NAME'] = 'Greek';
920 $languages['el_GR']['ALTNAME'] = 'Ελληνικά';
921 $languages['el_GR']['CHARSET'] = 'iso-8859-7';
922 $languages['el_GR']['LOCALE'] = array('el_GR.ISO8859-7','el_GR.ISO-8859-7','el_GR');
923 $languages['el']['ALIAS'] = 'el_GR';
925 $languages['en_GB']['NAME'] = 'British';
926 $languages['en_GB']['CHARSET'] = 'iso-8859-15';
927 $languages['en_GB']['LOCALE'] = array('en_GB.ISO8859-15','en_GB.ISO-8859-15','en_GB');
929 $languages['en_US']['NAME'] = 'English';
930 $languages['en_US']['CHARSET'] = 'iso-8859-1';
931 $languages['en_US']['LOCALE'] = 'en_US.ISO8859-1';
932 $languages['en']['ALIAS'] = 'en_US';
934 $languages['es_ES']['NAME'] = 'Spanish';
935 $languages['es_ES']['ALTNAME'] = 'Español';
936 $languages['es_ES']['CHARSET'] = 'iso-8859-1';
937 $languages['es_ES']['LOCALE'] = array('es_ES.ISO8859-1','es_ES.ISO-8859-1','es_ES');
938 $languages['es']['ALIAS'] = 'es_ES';
940 $languages['et_EE']['NAME'] = 'Estonian';
941 $languages['et_EE']['CHARSET'] = 'iso-8859-15';
942 $languages['et_EE']['LOCALE'] = array('et_EE.ISO8859-15','et_EE.ISO-8859-15','et_EE');
943 $languages['et']['ALIAS'] = 'et_EE';
945 $languages['eu_ES']['NAME'] = 'Basque';
946 $languages['eu_ES']['CHARSET'] = 'iso-8859-1';
947 $languages['eu_ES']['LOCALE'] = array('eu_ES.ISO8859-1','eu_ES.ISO-8859-1','eu_ES');
948 $languages['eu']['ALIAS'] = 'eu_ES';
950 $languages['fo_FO']['NAME'] = 'Faroese';
951 $languages['fo_FO']['CHARSET'] = 'iso-8859-1';
952 $languages['fo_FO']['LOCALE'] = array('fo_FO.ISO8859-1','fo_FO.ISO-8859-1','fo_FO');
953 $languages['fo']['ALIAS'] = 'fo_FO';
955 $languages['fi_FI']['NAME'] = 'Finnish';
956 $languages['fi_FI']['ALTNAME'] = 'Suomi';
957 $languages['fi_FI']['CHARSET'] = 'iso-8859-1';
958 $languages['fi_FI']['LOCALE'] = array('fi_FI.ISO8859-1','fi_FI.ISO-8859-1','fi_FI');
959 $languages['fi']['ALIAS'] = 'fi_FI';
961 $languages['fr_FR']['NAME'] = 'French';
962 $languages['fr_FR']['ALTNAME'] = 'Français';
963 $languages['fr_FR']['CHARSET'] = 'iso-8859-1';
964 $languages['fr_FR']['LOCALE'] = array('fr_FR.ISO8859-1','fr_FR.ISO-8859-1','fr_FR');
965 $languages['fr']['ALIAS'] = 'fr_FR';
967 $languages['hr_HR']['NAME'] = 'Croatian';
968 $languages['hr_HR']['CHARSET'] = 'iso-8859-2';
969 $languages['hr_HR']['LOCALE'] = array('hr_HR.ISO8859-2','hr_HR.ISO-8859-2','hr_HR');
970 $languages['hr']['ALIAS'] = 'hr_HR';
972 $languages['hu_HU']['NAME'] = 'Hungarian';
973 $languages['hu_HU']['ALTNAME'] = 'Magyar';
974 $languages['hu_HU']['CHARSET'] = 'iso-8859-2';
975 $languages['hu_HU']['LOCALE'] = array('hu_HU.ISO8859-2','hu_HU.ISO-8859-2','hu_HU');
976 $languages['hu']['ALIAS'] = 'hu_HU';
978 $languages['id_ID']['NAME'] = 'Indonesian';
979 $languages['id_ID']['ALTNAME'] = 'Bahasa Indonesia';
980 $languages['id_ID']['CHARSET'] = 'iso-8859-1';
981 $languages['id_ID']['LOCALE'] = array('id_ID.ISO8859-1','id_ID.ISO-8859-1','id_ID');
982 $languages['id']['ALIAS'] = 'id_ID';
984 $languages['is_IS']['NAME'] = 'Icelandic';
985 $languages['is_IS']['ALTNAME'] = 'Íslenska';
986 $languages['is_IS']['CHARSET'] = 'iso-8859-1';
987 $languages['is_IS']['LOCALE'] = array('is_IS.ISO8859-1','is_IS.ISO-8859-1','is_IS');
988 $languages['is']['ALIAS'] = 'is_IS';
990 $languages['it_IT']['NAME'] = 'Italian';
991 $languages['it_IT']['CHARSET'] = 'iso-8859-1';
992 $languages['it_IT']['LOCALE'] = array('it_IT.ISO8859-1','it_IT.ISO-8859-1','it_IT');
993 $languages['it']['ALIAS'] = 'it_IT';
995 $languages['ja_JP']['NAME'] = 'Japanese';
996 $languages['ja_JP']['ALTNAME'] = '日本語';
997 $languages['ja_JP']['CHARSET'] = 'iso-2022-jp';
998 $languages['ja_JP']['LOCALE'] = 'ja_JP.EUC-JP';
999 $languages['ja_JP']['XTRA_CODE'] = 'japanese_xtra';
1000 $languages['ja']['ALIAS'] = 'ja_JP';
1002 $languages['ko_KR']['NAME'] = 'Korean';
1003 $languages['ko_KR']['CHARSET'] = 'euc-KR';
1004 $languages['ko_KR']['LOCALE'] = 'ko_KR.EUC-KR';
1005 $languages['ko_KR']['XTRA_CODE'] = 'korean_xtra';
1006 $languages['ko']['ALIAS'] = 'ko_KR';
1008 $languages['lt_LT']['NAME'] = 'Lithuanian';
1009 $languages['lt_LT']['ALTNAME'] = 'Lietuvių';
1010 $languages['lt_LT']['CHARSET'] = 'utf-8';
1011 $languages['lt_LT']['LOCALE'] = 'lt_LT.UTF-8';
1012 $languages['lt']['ALIAS'] = 'lt_LT';
1014 $languages['nl_NL']['NAME'] = 'Dutch';
1015 $languages['nl_NL']['ALTNAME'] = 'Nederlands';
1016 $languages['nl_NL']['CHARSET'] = 'iso-8859-1';
1017 $languages['nl_NL']['LOCALE'] = array('nl_NL.ISO8859-1','nl_NL.ISO-8859-1','nl_NL');
1018 $languages['nl']['ALIAS'] = 'nl_NL';
1020 $languages['ms_MY']['NAME'] = 'Malay';
1021 $languages['ms_MY']['ALTNAME'] = 'Bahasa Melayu';
1022 $languages['ms_MY']['CHARSET'] = 'iso-8859-1';
1023 $languages['ms_MY']['LOCALE'] = array('ms_MY.ISO8859-1','ms_MY.ISO-8859-1','ms_MY');
1024 $languages['my']['ALIAS'] = 'ms_MY';
1026 $languages['nb_NO']['NAME'] = 'Norwegian (Bokmål)';
1027 $languages['nb_NO']['ALTNAME'] = 'Norsk (Bokmål)';
1028 $languages['nb_NO']['CHARSET'] = 'iso-8859-1';
1029 $languages['nb_NO']['LOCALE'] = array('nb_NO.ISO8859-1','nb_NO.ISO-8859-1','nb_NO');
1030 $languages['nb']['ALIAS'] = 'nb_NO';
1032 $languages['nn_NO']['NAME'] = 'Norwegian (Nynorsk)';
1033 $languages['nn_NO']['ALTNAME'] = 'Norsk (Nynorsk)';
1034 $languages['nn_NO']['CHARSET'] = 'iso-8859-1';
1035 $languages['nn_NO']['LOCALE'] = array('nn_NO.ISO8859-1','nn_NO.ISO-8859-1','nn_NO');
1037 $languages['pl_PL']['NAME'] = 'Polish';
1038 $languages['pl_PL']['ALTNAME'] = 'Polski';
1039 $languages['pl_PL']['CHARSET'] = 'iso-8859-2';
1040 $languages['pl_PL']['LOCALE'] = array('pl_PL.ISO8859-2','pl_PL.ISO-8859-2','pl_PL');
1041 $languages['pl']['ALIAS'] = 'pl_PL';
1043 $languages['pt_PT']['NAME'] = 'Portuguese (Portugal)';
1044 $languages['pt_PT']['CHARSET'] = 'iso-8859-1';
1045 $languages['pt_PT']['LOCALE'] = array('pt_PT.ISO8859-1','pt_PT.ISO-8859-1','pt_PT');
1046 $languages['pt']['ALIAS'] = 'pt_PT';
1048 $languages['pt_BR']['NAME'] = 'Portuguese (Brazil)';
1049 $languages['pt_BR']['ALTNAME'] = 'Português do Brasil';
1050 $languages['pt_BR']['CHARSET'] = 'iso-8859-1';
1051 $languages['pt_BR']['LOCALE'] = array('pt_BR.ISO8859-1','pt_BR.ISO-8859-1','pt_BR');
1053 $languages['ro_RO']['NAME'] = 'Romanian';
1054 $languages['ro_RO']['ALTNAME'] = 'Română';
1055 $languages['ro_RO']['CHARSET'] = 'iso-8859-2';
1056 $languages['ro_RO']['LOCALE'] = array('ro_RO.ISO8859-2','ro_RO.ISO-8859-2','ro_RO');
1057 $languages['ro']['ALIAS'] = 'ro_RO';
1059 $languages['ru_RU']['NAME'] = 'Russian';
1060 $languages['ru_RU']['ALTNAME'] = 'Русский';
1061 $languages['ru_RU']['CHARSET'] = 'utf-8';
1062 $languages['ru_RU']['LOCALE'] = 'ru_RU.UTF-8';
1063 $languages['ru']['ALIAS'] = 'ru_RU';
1065 $languages['sk_SK']['NAME'] = 'Slovak';
1066 $languages['sk_SK']['CHARSET'] = 'iso-8859-2';
1067 $languages['sk_SK']['LOCALE'] = array('sk_SK.ISO8859-2','sk_SK.ISO-8859-2','sk_SK');
1068 $languages['sk']['ALIAS'] = 'sk_SK';
1070 $languages['sl_SI']['NAME'] = 'Slovenian';
1071 $languages['sl_SI']['ALTNAME'] = 'Slovenščina';
1072 $languages['sl_SI']['CHARSET'] = 'iso-8859-2';
1073 $languages['sl_SI']['LOCALE'] = array('sl_SI.ISO8859-2','sl_SI.ISO-8859-2','sl_SI');
1074 $languages['sl']['ALIAS'] = 'sl_SI';
1076 $languages['sr_YU']['NAME'] = 'Serbian';
1077 $languages['sr_YU']['ALTNAME'] = 'Srpski';
1078 $languages['sr_YU']['CHARSET'] = 'iso-8859-2';
1079 $languages['sr_YU']['LOCALE'] = array('sr_YU.ISO8859-2','sr_YU.ISO-8859-2','sr_YU');
1080 $languages['sr']['ALIAS'] = 'sr_YU';
1082 $languages['sv_SE']['NAME'] = 'Swedish';
1083 $languages['sv_SE']['ALTNAME'] = 'Svenska';
1084 $languages['sv_SE']['CHARSET'] = 'iso-8859-1';
1085 $languages['sv_SE']['LOCALE'] = array('sv_SE.ISO8859-1','sv_SE.ISO-8859-1','sv_SE');
1086 $languages['sv']['ALIAS'] = 'sv_SE';
1088 $languages['th_TH']['NAME'] = 'Thai';
1089 $languages['th_TH']['CHARSET'] = 'tis-620';
1090 $languages['th_TH']['LOCALE'] = 'th_TH.TIS-620';
1091 $languages['th']['ALIAS'] = 'th_TH';
1093 $languages['tl_PH']['NAME'] = 'Tagalog';
1094 $languages['tl_PH']['CHARSET'] = 'iso-8859-1';
1095 $languages['tl_PH']['LOCALE'] = array('tl_PH.ISO8859-1','tl_PH.ISO-8859-1','tl_PH');
1096 $languages['tl']['ALIAS'] = 'tl_PH';
1098 $languages['tr_TR']['NAME'] = 'Turkish';
1099 $languages['tr_TR']['CHARSET'] = 'iso-8859-9';
1100 $languages['tr_TR']['LOCALE'] = array('tr_TR.ISO8859-9','tr_TR.ISO-8859-9','tr_TR');
1101 $languages['tr']['ALIAS'] = 'tr_TR';
1103 $languages['zh_TW']['NAME'] = 'Chinese Trad';
1104 $languages['zh_TW']['CHARSET'] = 'big5';
1105 $languages['zh_TW']['LOCALE'] = 'zh_TW.BIG5';
1106 $languages['tw']['ALIAS'] = 'zh_TW';
1108 $languages['zh_CN']['NAME'] = 'Chinese Simp';
1109 $languages['zh_CN']['CHARSET'] = 'gb2312';
1110 $languages['zh_CN']['LOCALE'] = 'zh_CN.GB2312';
1111 $languages['cn']['ALIAS'] = 'zh_CN';
1113 $languages['uk_UA']['NAME'] = 'Ukrainian';
1114 $languages['uk_UA']['CHARSET'] = 'koi8-u';
1115 $languages['uk_UA']['LOCALE'] = 'uk_UA.KOI8-U';
1116 $languages['uk']['ALIAS'] = 'uk_UA';
1118 $languages['ru_UA']['NAME'] = 'Russian (Ukrainian)';
1119 $languages['ru_UA']['CHARSET'] = 'koi8-r';
1120 $languages['ru_UA']['LOCALE'] = 'ru_UA.KOI8-R';
1123 $languages['vi_VN']['NAME'] = 'Vietnamese';
1124 $languages['vi_VN']['CHARSET'] = 'utf-8';
1125 $languages['vi']['ALIAS'] = 'vi_VN';
1128 // Right to left languages
1129 $languages['ar']['NAME'] = 'Arabic';
1130 $languages['ar']['CHARSET'] = 'windows-1256';
1131 $languages['ar']['DIR'] = 'rtl';
1133 $languages['fa_IR']['NAME'] = 'Farsi';
1134 $languages['fa_IR']['CHARSET'] = 'utf-8';
1135 $languages['fa_IR']['DIR'] = 'rtl';
1136 $languages['fa_IR']['LOCALE'] = 'fa_IR.UTF-8';
1137 $languages['fa']['ALIAS'] = 'fa_IR';
1139 $languages['he_IL']['NAME'] = 'Hebrew';
1140 $languages['he_IL']['CHARSET'] = 'windows-1255';
1141 $languages['he_IL']['LOCALE'] = 'he_IL.CP1255';
1142 $languages['he_IL']['DIR'] = 'rtl';
1143 $languages['he']['ALIAS'] = 'he_IL';
1145 $languages['ug']['NAME'] = 'Uighur';
1146 $languages['ug']['CHARSET'] = 'utf-8';
1147 $languages['ug']['DIR'] = 'rtl';
1149 /* Detect whether gettext is installed. */
1151 if (function_exists('_')) {
1152 $gettext_flags +
= 1;
1154 if (function_exists('bindtextdomain')) {
1155 $gettext_flags +
= 2;
1157 if (function_exists('textdomain')) {
1158 $gettext_flags +
= 4;
1160 if (function_exists('ngettext')) {
1161 $gettext_flags +
= 8;
1164 /* If gettext is fully loaded, cool */
1165 if ($gettext_flags == 15) {
1166 $use_gettext = true;
1169 /* If ngettext support is missing, load it */
1170 elseif ($gettext_flags == 7) {
1171 $use_gettext = true;
1172 // load internal ngettext functions
1173 include_once(SM_PATH
. 'class/l10n.class.php');
1174 include_once(SM_PATH
. 'functions/ngettext.php');
1177 /* If we can fake gettext, try that */
1178 elseif ($gettext_flags == 0) {
1179 $use_gettext = true;
1180 include_once(SM_PATH
. 'functions/gettext.php');
1182 /* Uh-ho. A weird install */
1183 if (! $gettext_flags & 1) {
1185 * Function is used as replacement in broken installs
1192 if (! $gettext_flags & 2) {
1194 * Function is used as replacement in broken installs
1197 function bindtextdomain() {
1201 if (! $gettext_flags & 4) {
1203 * Function is used as replacemet in broken installs
1206 function textdomain() {
1210 if (! $gettext_flags & 8) {
1212 * Function is used as replacemet in broken installs
1215 function ngettext($str,$str2,$number) {