- * i18n.php
- *
- * Copyright (c) 1999-2003 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
- * This file contains variuos functions that are needed to do
- * internationalization of SquirrelMail.
- *
- * Internally the output character set is used. Other characters are
- * encoded using Unicode entities according to HTML 4.0.
- *
- * $Id$
- */
-
-require_once(SM_PATH . 'functions/global.php');
-
-/* Decodes a string to the internal encoding from the given charset */
-function charset_decode ($charset, $string) {
- global $languages, $squirrelmail_language;
-
- if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
- function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
- $string = $languages[$squirrelmail_language]['XTRA_CODE']('decode', $string);
- }
-
- /* All HTML special characters are 7 bit and can be replaced first */
-
- $string = htmlspecialchars ($string);
-
- $charset = strtolower($charset);
-
- set_my_charset() ;
-
- /* controls cpu and memory intensive decoding cycles */
- $agresive_decoding = false;
-
- if (ereg('iso-8859-([[:digit:]]+)', $charset, $res)) {
- if ($res[1] == '1') {
- include_once(SM_PATH . 'functions/decode/iso8859-1.php');
- $ret = charset_decode_iso8859_1 ($string);
- } else if ($res[1] == '2') {
- include_once(SM_PATH . 'functions/decode/iso8859-2.php');
- $ret = charset_decode_iso8859_2 ($string);
- } else if ($res[1] == '3') {
- include_once(SM_PATH . 'functions/decode/iso8859-3.php');
- $ret = charset_decode_iso8859_3 ($string);
- } else if ($res[1] == '4') {
- include_once(SM_PATH . 'functions/decode/iso8859-4.php');
- $ret = charset_decode_iso8859_4 ($string);
- } else if ($res[1] == '5') {
- include_once(SM_PATH . 'functions/decode/iso8859-5.php');
- $ret = charset_decode_iso8859_5 ($string);
- } else if ($res[1] == '6') {
- include_once(SM_PATH . 'functions/decode/iso8859-6.php');
- $ret = charset_decode_iso8859_6 ($string);
- } else if ($res[1] == '7') {
- include_once(SM_PATH . 'functions/decode/iso8859-7.php');
- $ret = charset_decode_iso8859_7 ($string);
- } else if ($res[1] == '8') {
- include_once(SM_PATH . 'functions/decode/iso8859-8.php');
- $ret = charset_decode_iso8859_8 ($string);
- } else if ($res[1] == '9') {
- include_once(SM_PATH . 'functions/decode/iso8859-9.php');
- $ret = charset_decode_iso8859_9 ($string);
- } else if ($res[1] == '10') {
- include_once(SM_PATH . 'functions/decode/iso8859-10.php');
- $ret = charset_decode_iso8859_10 ($string);
- } else if ($res[1] == '11') {
- include_once(SM_PATH . 'functions/decode/iso8859-11.php');
- $ret = charset_decode_iso8859_11 ($string);
- } else if ($res[1] == '13') {
- include_once(SM_PATH . 'functions/decode/iso8859-13.php');
- $ret = charset_decode_iso8859_13 ($string);
- } else if ($res[1] == '14') {
- include_once(SM_PATH . 'functions/decode/iso8859-14.php');
- $ret = charset_decode_iso8859_14 ($string);
- } else if ($res[1] == '15') {
- include_once(SM_PATH . 'functions/decode/iso8859-15.php');
- $ret = charset_decode_iso8859_15 ($string);
- } else if ($res[1] == '16') {
- include_once(SM_PATH . 'functions/decode/iso8859-16.php');
- $ret = charset_decode_iso8859_16 ($string);
- } else {
- $ret = charset_decode_iso_8859_default ($string);
- }
- } else if ($charset == 'ns_4551-1') {
- $ret = charset_decode_ns_4551_1 ($string);
- } else if ($charset == 'koi8-r') {
- include_once(SM_PATH . 'functions/decode/koi8-r.php');
- $ret = charset_decode_koi8r ($string);
- } else if ($charset == 'koi8-u') {
- include_once(SM_PATH . 'functions/decode/koi8-u.php');
- $ret = charset_decode_koi8u ($string);
- } else if ($charset == 'windows-1250') {
- include_once(SM_PATH . 'functions/decode/cp1250.php');
- $ret = charset_decode_cp1250 ($string);
- } else if ($charset == 'windows-1251') {
- include_once(SM_PATH . 'functions/decode/cp1251.php');
- $ret = charset_decode_cp1251 ($string);
- } else if ($charset == 'windows-1252') {
- include_once(SM_PATH . 'functions/decode/cp1252.php');
- $ret = charset_decode_cp1252 ($string);
- } else if ($charset == 'windows-1253') {
- include_once(SM_PATH . 'functions/decode/cp1253.php');
- $ret = charset_decode_cp1253 ($string);
- } else if ($charset == 'windows-1254') {
- include_once(SM_PATH . 'functions/decode/cp1254.php');
- $ret = charset_decode_cp1254 ($string);
- } else if ($charset == 'windows-1255') {
- include_once(SM_PATH . 'functions/decode/cp1255.php');
- $ret = charset_decode_cp1255 ($string);
- } else if ($charset == 'windows-1256') {
- include_once(SM_PATH . 'functions/decode/cp1256.php');
- $ret = charset_decode_cp1256 ($string);
- } else if ($charset == 'windows-1257') {
- include_once(SM_PATH . 'functions/decode/cp1257.php');
- $ret = charset_decode_cp1257 ($string);
- } else if ($charset == 'windows-1258') {
- include_once(SM_PATH . 'functions/decode/cp1258.php');
- $ret = charset_decode_cp1258 ($string);
- } else if ($charset == 'big5' and $agresive_decoding ) {
- include_once(SM_PATH . 'functions/decode/big5.php');
- $ret = charset_decode_big5 ($string);
- } else if ($charset == 'gb2312' and $agresive_decoding ) {
- include_once(SM_PATH . 'functions/decode/gb2312.php');
- $ret = charset_decode_gb2312 ($string);
- } else if ($charset == 'utf-8') {
- include_once(SM_PATH . 'functions/decode/utf-8.php');
- $ret = charset_decode_utf8 ($string);
- } else {
- $ret = $string;
- }
- return( $ret );
-}
-
-
-/* Remove all 8 bit characters from all other ISO-8859 character sets */
-function charset_decode_iso_8859_default ($string) {
- return (strtr($string, "\240\241\242\243\244\245\246\247".
- "\250\251\252\253\254\255\256\257".
- "\260\261\262\263\264\265\266\267".
- "\270\271\272\273\274\275\276\277".
- "\300\301\302\303\304\305\306\307".
- "\310\311\312\313\314\315\316\317".
- "\320\321\322\323\324\325\326\327".
- "\330\331\332\333\334\335\336\337".
- "\340\341\342\343\344\345\346\347".
- "\350\351\352\353\354\355\356\357".
- "\360\361\362\363\364\365\366\367".
- "\370\371\372\373\374\375\376\377",
- "????????????????????????????????????????".
- "????????????????????????????????????????".
- "????????????????????????????????????????".
- "????????"));
-
-}
-
-/*
- * This is the same as ISO-646-NO and is used by some
- * Microsoft programs when sending Norwegian characters
- */
-function charset_decode_ns_4551_1 ($string) {
- /*
- * These characters are:
- * Latin capital letter AE
- * Latin capital letter O with stroke
- * Latin capital letter A with ring above
- * and the same as small letters
- */
- return strtr ($string, "[\\]{|}", "ÆØÅæøå");
-}
-
-
-/*
- * Set up the language to be output
- * if $do_search is true, then scan the browser information
- * for a possible language that we know
- */
-function set_up_language($sm_language, $do_search = false, $default = false) {
-
- static $SetupAlready = 0;
- global $use_gettext, $languages,
- $squirrelmail_language, $squirrelmail_default_language,
- $sm_notAlias;
-
- if ($SetupAlready) {
- return;
- }
-
- $SetupAlready = TRUE;
- sqgetGlobalVar('HTTP_ACCEPT_LANGUAGE', $accept_lang, SQ_SERVER);
-
- if ($do_search && ! $sm_language && isset($accept_lang)) {
- $sm_language = substr($accept_lang, 0, 2);
- }
-
- if ((!$sm_language||$default) && isset($squirrelmail_default_language)) {
- $squirrelmail_language = $squirrelmail_default_language;
- $sm_language = $squirrelmail_default_language;
- }
- $sm_notAlias = $sm_language;
- while (isset($languages[$sm_notAlias]['ALIAS'])) {
- $sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
- }
-
- if ( isset($sm_language) &&
- $use_gettext &&
- $sm_language != '' &&
- isset($languages[$sm_notAlias]['CHARSET']) ) {
- bindtextdomain( 'squirrelmail', SM_PATH . 'locale/' );
- textdomain( 'squirrelmail' );
- if (function_exists('bind_textdomain_codeset')) {
- bind_textdomain_codeset ("squirrelmail", $languages[$sm_notAlias]['CHARSET'] );
- }
- if (isset($languages[$sm_notAlias]['LOCALE'])){
- $longlocale=$languages[$sm_notAlias]['LOCALE'];
- } else {
- $longlocale=$sm_notAlias;
- }
- if ( !ini_get('safe_mode') &&
- getenv( 'LC_ALL' ) != $longlocale ) {
- putenv( "LC_ALL=$longlocale" );
- putenv( "LANG=$longlocale" );
- putenv( "LANGUAGE=$longlocale" );
- }
- setlocale(LC_ALL, $longlocale);
- $squirrelmail_language = $sm_notAlias;
- if ($squirrelmail_language == 'ja_JP' && function_exists('mb_detect_encoding') ) {
- header ('Content-Type: text/html; charset=EUC-JP');
- if (!function_exists('mb_internal_encoding')) {
- echo _("You need to have php4 installed with the multibyte string function enabled (using configure option --enable-mbstring).");
- }
- if (function_exists('mb_language')) {
- mb_language('Japanese');
- }
- mb_internal_encoding('EUC-JP');
- mb_http_output('pass');
- } else {
- header( 'Content-Type: text/html; charset=' . $languages[$sm_notAlias]['CHARSET'] );
- }
-}
-}
-
-function set_my_charset(){
-
- /*
- * There can be a $default_charset setting in the
- * config.php file, but the user may have a different language
- * selected for a user interface. This function checks the
- * language selected by the user and tags the outgoing messages
- * with the appropriate charset corresponding to the language
- * selection. This is "more right" (tm), than just stamping the
- * message blindly with the system-wide $default_charset.
- */
- global $data_dir, $username, $default_charset, $languages, $squirrelmail_default_language;
-
- $my_language = getPref($data_dir, $username, 'language');
- if (!$my_language) {
- $my_language = $squirrelmail_default_language ;
- }
- while (isset($languages[$my_language]['ALIAS'])) {
- $my_language = $languages[$my_language]['ALIAS'];
- }
- $my_charset = $languages[$my_language]['CHARSET'];
- if ($my_charset) {
- $default_charset = $my_charset;
- }
-}
-
-/* ------------------------------ main --------------------------- */
-
-global $squirrelmail_language, $languages, $use_gettext;
-
-if (! isset($squirrelmail_language)) {
- $squirrelmail_language = '';
-}
-
-/* This array specifies the available languages. */
-
-if ( file_exists( SM_PATH . 'locale/ca_ES') ) {
- // The glibc locale is ca_ES.
- $languages['ca_ES']['NAME'] = 'Catalan';
- $languages['ca_ES']['CHARSET'] = 'iso-8859-1';
- $languages['ca']['ALIAS'] = 'ca_ES';
-}
-
-if ( file_exists( SM_PATH . 'locale/cs_CZ') ) {
- $languages['cs_CZ']['NAME'] = 'Czech';
- $languages['cs_CZ']['CHARSET'] = 'iso-8859-2';
- $languages['cs']['ALIAS'] = 'cs_CZ';
-}
-
-if ( file_exists( SM_PATH . 'locale/da_DK') ) {
- // Danish locale is da_DK.
- $languages['da_DK']['NAME'] = 'Danish';
- $languages['da_DK']['CHARSET'] = 'iso-8859-1';
- $languages['da']['ALIAS'] = 'da_DK';
-}
-
-if ( file_exists( SM_PATH . 'locale/de_DE') ) {
- $languages['de_DE']['NAME'] = 'Deutsch';
- $languages['de_DE']['CHARSET'] = 'iso-8859-1';
- $languages['de']['ALIAS'] = 'de_DE';
-}
-
-// There is no en_EN! There is en_US, en_BR, en_AU, and so forth,
-// but who cares about !US, right? Right? :)
-
-if ( file_exists( SM_PATH . 'locale/el_GR') ) {
- $languages['el_GR']['NAME'] = 'Greek';
- $languages['el_GR']['CHARSET'] = 'iso-8859-7';
- $languages['el']['ALIAS'] = 'el_GR';
-}
-
-$languages['en_US']['NAME'] = 'English';
-$languages['en_US']['CHARSET'] = 'iso-8859-1';
-$languages['en']['ALIAS'] = 'en_US';
-
-if ( file_exists( SM_PATH . 'locale/es_ES') ) {
- $languages['es_ES']['NAME'] = 'Spanish';
- $languages['es_ES']['CHARSET'] = 'iso-8859-1';
- $languages['es']['ALIAS'] = 'es_ES';
-}
-if ( file_exists( SM_PATH . 'locale/et_EE') ) {
- $languages['et_EE']['NAME'] = 'Estonian';
- $languages['et_EE']['CHARSET'] = 'iso-8859-15';
- $languages['et']['ALIAS'] = 'et_EE';
-}
-if ( file_exists( SM_PATH . 'locale/fo_FO') ) {
- $languages['fo_FO']['NAME'] = 'Faroese';
- $languages['fo_FO']['CHARSET'] = 'iso-8859-1';
- $languages['fo']['ALIAS'] = 'fo_FO';
-}
-if ( file_exists( SM_PATH . 'locale/fi_FI') ) {
- $languages['fi_FI']['NAME'] = 'Finnish';
- $languages['fi_FI']['CHARSET'] = 'iso-8859-1';
- $languages['fi']['ALIAS'] = 'fi_FI';
-}
-if ( file_exists( SM_PATH . 'locale/fr_FR') ) {
- $languages['fr_FR']['NAME'] = 'French';
- $languages['fr_FR']['CHARSET'] = 'iso-8859-1';
- $languages['fr']['ALIAS'] = 'fr_FR';
-}
-if ( file_exists( SM_PATH . 'locale/hr_HR') ) {
- $languages['hr_HR']['NAME'] = 'Croatian';
- $languages['hr_HR']['CHARSET'] = 'iso-8859-2';
- $languages['hr']['ALIAS'] = 'hr_HR';
-}
-if ( file_exists( SM_PATH . 'locale/hu_HU') ) {
- $languages['hu_HU']['NAME'] = 'Hungarian';
- $languages['hu_HU']['CHARSET'] = 'iso-8859-2';
- $languages['hu']['ALIAS'] = 'hu_HU';
-}
-if ( file_exists( SM_PATH . 'locale/id_ID') ) {
- $languages['id_ID']['NAME'] = 'Bahasa Indonesia';
- $languages['id_ID']['CHARSET'] = 'iso-8859-1';
- $languages['id']['ALIAS'] = 'id_ID';
-}
-if ( file_exists( SM_PATH . 'locale/is_IS') ) {
- $languages['is_IS']['NAME'] = 'Icelandic';
- $languages['is_IS']['CHARSET'] = 'iso-8859-1';
- $languages['is']['ALIAS'] = 'is_IS';
-}
-if ( file_exists( SM_PATH . 'locale/it_IT') ) {
- $languages['it_IT']['NAME'] = 'Italian';
- $languages['it_IT']['CHARSET'] = 'iso-8859-1';
- $languages['it']['ALIAS'] = 'it_IT';
-}
-if ( file_exists( SM_PATH . 'locale/ja_JP') ) {
- $languages['ja_JP']['NAME'] = 'Japanese';
- $languages['ja_JP']['CHARSET'] = 'iso-2022-jp';
- $languages['ja_JP']['XTRA_CODE'] = 'japanese_charset_xtra';
- $languages['ja']['ALIAS'] = 'ja_JP';
-}
-if ( file_exists( SM_PATH . 'locale/ko_KR') ) {
- $languages['ko_KR']['NAME'] = 'Korean';
- $languages['ko_KR']['CHARSET'] = 'euc-KR';
- $languages['ko_KR']['XTRA_CODE'] = 'korean_charset_xtra';
- $languages['ko']['ALIAS'] = 'ko_KR';
-}
-if ( file_exists( SM_PATH . 'locale/nl_NL') ) {
- $languages['nl_NL']['NAME'] = 'Dutch';
- $languages['nl_NL']['CHARSET'] = 'iso-8859-1';
- $languages['nl']['ALIAS'] = 'nl_NL';
-}
-if ( file_exists( SM_PATH . 'locale/no_NO') ) {
- $languages['no_NO']['NAME'] = 'Norwegian (Bokmål)';
- $languages['no_NO']['CHARSET'] = 'iso-8859-1';
- $languages['no']['ALIAS'] = 'no_NO';
-}
-if ( file_exists( SM_PATH . 'locale/nn_NO') ) {
- $languages['nn_NO']['NAME'] = 'Norwegian (Nynorsk)';
- $languages['nn_NO']['CHARSET'] = 'iso-8859-1';
-}
-if ( file_exists( SM_PATH . 'locale/pl_PL') ) {
- $languages['pl_PL']['NAME'] = 'Polish';
- $languages['pl_PL']['CHARSET'] = 'iso-8859-2';
- $languages['pl']['ALIAS'] = 'pl_PL';
-}
-if ( file_exists( SM_PATH . 'locale/pt_PT') ) {
- $languages['pt_PT']['NAME'] = 'Portuguese (Portugal)';
- $languages['pt_PT']['CHARSET'] = 'iso-8859-1';
- $languages['pt']['ALIAS'] = 'pt_PT';
-}
-if ( file_exists( SM_PATH . 'locale/pt_BR') ) {
- $languages['pt_BR']['NAME'] = 'Portuguese (Brazil)';
- $languages['pt_BR']['CHARSET'] = 'iso-8859-1';
-}
-if ( file_exists( SM_PATH . 'locale/ru_RU') ) {
- $languages['ru_RU']['NAME'] = 'Russian';
- $languages['ru_RU']['CHARSET'] = 'koi8-r';
- $languages['ru_RU']['LOCALE'] = 'ru_RU.KOI8-R';
- $languages['ru']['ALIAS'] = 'ru_RU';
-}
-if ( file_exists( SM_PATH . 'locale/sr_YU') ) {
- $languages['sr_YU']['NAME'] = 'Serbian';
- $languages['sr_YU']['CHARSET'] = 'iso-8859-2';
- $languages['sr']['ALIAS'] = 'sr_YU';
-}
-if ( file_exists( SM_PATH . 'locale/sv_SE') ) {
- $languages['sv_SE']['NAME'] = 'Swedish';
- $languages['sv_SE']['CHARSET'] = 'iso-8859-1';
- $languages['sv']['ALIAS'] = 'sv_SE';
-}
-if ( file_exists( SM_PATH . 'locale/tr_TR') ) {
- $languages['tr_TR']['NAME'] = 'Turkish';
- $languages['tr_TR']['CHARSET'] = 'iso-8859-9';
- $languages['tr']['ALIAS'] = 'tr_TR';
-}
-if ( file_exists( SM_PATH . 'locale/zh_TW') ) {
- $languages['zh_TW']['NAME'] = 'Chinese Trad';
- $languages['zh_TW']['CHARSET'] = 'big5';
- $languages['tw']['ALIAS'] = 'zh_TW';
-}
-if ( file_exists( SM_PATH . 'locale/zh_CN') ) {
- $languages['zh_CN']['NAME'] = 'Chinese Simp';
- $languages['zh_CN']['CHARSET'] = 'gb2312';
- $languages['cn']['ALIAS'] = 'zh_CN';
-}
-if ( file_exists( SM_PATH . 'locale/sk_SK') ) {
- $languages['sk_SK']['NAME'] = 'Slovak';
- $languages['sk_SK']['CHARSET'] = 'iso-8859-2';
- $languages['sk']['ALIAS'] = 'sk_SK';
-}
-if ( file_exists( SM_PATH . 'locale/ro_RO') ) {
- $languages['ro_RO']['NAME'] = 'Romanian';
- $languages['ro_RO']['CHARSET'] = 'iso-8859-2';
- $languages['ro']['ALIAS'] = 'ro_RO';
-}
-if ( file_exists( SM_PATH . 'locale/th_TH') ) {
- $languages['th_TH']['NAME'] = 'Thai';
- $languages['th_TH']['CHARSET'] = 'tis-620';
- $languages['th']['ALIAS'] = 'th_TH';
-}
-if ( file_exists( SM_PATH . 'locale/lt_LT') ) {
- $languages['lt_LT']['NAME'] = 'Lithuanian';
- $languages['lt_LT']['CHARSET'] = 'iso-8859-4';
- $languages['lt_LT']['LOCALE'] = 'lt_LT.ISO-8859-4';
- $languages['lt']['ALIAS'] = 'lt_LT';
-}
-if ( file_exists( SM_PATH . 'locale/sl_SI') ) {
- $languages['sl_SI']['NAME'] = 'Slovenian';
- $languages['sl_SI']['CHARSET'] = 'iso-8859-2';
- $languages['sl']['ALIAS'] = 'sl_SI';
-}
-if ( file_exists( SM_PATH . 'locale/bg_BG') ) {
- $languages['bg_BG']['NAME'] = 'Bulgarian';
- $languages['bg_BG']['CHARSET'] = 'windows-1251';
- $languages['bg']['ALIAS'] = 'bg_BG';
-}
-if ( file_exists( SM_PATH . 'locale/uk_UA') ) {
- $languages['uk_UA']['NAME'] = 'Ukrainian';
- $languages['uk_UA']['CHARSET'] = 'koi8-u';
- $languages['uk']['ALIAS'] = 'uk_UA';
-}
-if ( file_exists( SM_PATH . 'locale/cy_GB') ) {
- $languages['cy_GB']['NAME'] = 'Welsh';
- $languages['cy_GB']['CHARSET'] = 'iso-8859-1';
- $languages['cy']['ALIAS'] = 'cy_GB';
-}
-if ( file_exists( SM_PATH . 'locale/vi_VN') ) {
- $languages['vi_VN']['NAME'] = 'Vietnamese';
- $languages['vi_VN']['CHARSET'] = 'utf-8';
- $languages['vi']['ALIAS'] = 'vi_VN';
-}
-// Right to left languages
-if ( file_exists( SM_PATH . 'locale/ar') ) {
- $languages['ar']['NAME'] = 'Arabic';
- $languages['ar']['CHARSET'] = 'windows-1256';
- $languages['ar']['DIR'] = 'rtl';
-}
-if ( file_exists( SM_PATH . 'locale/he_IL') ) {
- $languages['he_IL']['NAME'] = 'Hebrew';
- $languages['he_IL']['CHARSET'] = 'windows-1255';
- $languages['he_IL']['DIR'] = 'rtl';
- $languages['he']['ALIAS'] = 'he_IL';
-}
-
-/* Detect whether gettext is installed. */
-$gettext_flags = 0;
-if (function_exists('_')) {
- $gettext_flags += 1;
-}
-if (function_exists('bindtextdomain')) {
- $gettext_flags += 2;
-}
-if (function_exists('textdomain')) {
- $gettext_flags += 4;
-}
-
-/* If gettext is fully loaded, cool */
-if ($gettext_flags == 7) {
- $use_gettext = true;
-}
-/* If we can fake gettext, try that */
-elseif ($gettext_flags == 0) {
- $use_gettext = true;
- include_once(SM_PATH . 'functions/gettext.php');
-} else {
- /* Uh-ho. A weird install */
- if (! $gettext_flags & 1) {
- function _($str) {
- return $str;
- }
- }
- if (! $gettext_flags & 2) {
- function bindtextdomain() {
- return;
- }
- }
- if (! $gettext_flags & 4) {
- function textdomain() {
- return;
- }
- }
-}
-
-
-/*
- * Japanese charset extra function