1161 lines
No EOL
38 KiB
PHP
1161 lines
No EOL
38 KiB
PHP
<?php
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/**
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* SquirrelMail internationalization functions
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*
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* Copyright (c) 1999-2004 The SquirrelMail Project Team
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* Licensed under the GNU GPL. For full terms see the file COPYING.
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*
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* This file contains variuos functions that are needed to do
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* internationalization of SquirrelMail.
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*
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* Internally the output character set is used. Other characters are
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* encoded using Unicode entities according to HTML 4.0.
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*
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* @version $Id$
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* @package squirrelmail
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* @subpackage i18n
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*/
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/** Everything uses global.php... */
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require_once(SM_PATH . 'functions/global.php');
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/**
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* Gettext bindtextdomain wrapper.
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*
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* Wrapper solves differences between php versions in order to provide
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* ngettext support. Should be used if translation uses ngettext
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* functions.
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* @since 1.5.1
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* @param string $domain gettext domain name
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* @param string $dir directory that contains all translations
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* @return string path to translation directory
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*/
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function sq_bindtextdomain($domain,$dir) {
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global $l10n, $gettext_flags, $sm_notAlias;
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if ($gettext_flags==7) {
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// gettext extension without ngettext
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if (substr($dir, -1) != '/') $dir .= '/';
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$mofile=$dir . $sm_notAlias . '/LC_MESSAGES/' . $domain . '.mo';
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$input = new FileReader($mofile);
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$l10n[$domain] = new gettext_reader($input);
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}
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$dir=bindtextdomain($domain,$dir);
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return $dir;
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}
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/**
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* Gettext textdomain wrapper.
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* Makes sure that gettext_domain global is modified.
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* @since 1.5.1
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* @param string $name gettext domain name
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* @return string gettext domain name
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*/
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function sq_textdomain($domain) {
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global $gettext_domain;
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$gettext_domain=textdomain($domain);
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return $gettext_domain;
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}
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/**
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* Converts string from given charset to charset, that can be displayed by user translation.
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*
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* Function by default returns html encoded strings, if translation uses different encoding.
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* If Japanese translation is used - function returns string converted to euc-jp
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* If iconv or recode functions are enabled and translation uses utf-8 - function returns utf-8 encoded string.
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* If $charset is not supported - function returns unconverted string.
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*
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* sanitizing of html tags is also done by this function.
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*
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* @param string $charset
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* @param string $string Text to be decoded
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* @return string decoded string
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*/
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function charset_decode ($charset, $string) {
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global $languages, $squirrelmail_language, $default_charset;
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global $use_php_recode, $use_php_iconv, $aggressive_decoding;
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if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
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function_exists($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode')) {
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$string = call_user_func($languages[$squirrelmail_language]['XTRA_CODE'] . '_decode', $string);
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}
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$charset = strtolower($charset);
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set_my_charset();
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// Variables that allow to use functions without function_exist() calls
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if (! isset($use_php_recode) || $use_php_recode=="" ) {
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$use_php_recode=false; }
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if (! isset($use_php_iconv) || $use_php_iconv=="" ) {
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$use_php_iconv=false; }
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// Don't do conversion if charset is the same.
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if ( $charset == strtolower($default_charset) )
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return htmlspecialchars($string);
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// catch iso-8859-8-i thing
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if ( $charset == "iso-8859-8-i" )
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$charset = "iso-8859-8";
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/*
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* Recode converts html special characters automatically if you use
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* 'charset..html' decoding. There is no documented way to put -d option
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* into php recode function call.
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*/
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if ( $use_php_recode ) {
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if ( $default_charset == "utf-8" ) {
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// other charsets can be converted to utf-8 without loss.
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// and output string is smaller
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$string = recode_string($charset . "..utf-8",$string);
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return htmlspecialchars($string);
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} else {
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$string = recode_string($charset . "..html",$string);
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// recode does not convert single quote, htmlspecialchars does.
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$string = str_replace("'", ''', $string);
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return $string;
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}
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}
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// iconv functions does not have html target and can be used only with utf-8
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if ( $use_php_iconv && $default_charset=='utf-8') {
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$string = iconv($charset,$default_charset,$string);
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return htmlspecialchars($string);
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}
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// If we don't use recode and iconv, we'll do it old way.
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/* All HTML special characters are 7 bit and can be replaced first */
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$string = htmlspecialchars ($string);
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/* controls cpu and memory intensive decoding cycles */
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if (! isset($aggressive_decoding) || $aggressive_decoding=="" ) {
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$aggressive_decoding=false; }
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$decode=fixcharset($charset);
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$decodefile=SM_PATH . 'functions/decode/' . $decode . '.php';
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if (file_exists($decodefile)) {
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include_once($decodefile);
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$ret = call_user_func('charset_decode_'.$decode, $string);
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} else {
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$ret = $string;
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}
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return( $ret );
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}
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/**
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* Converts html string to given charset
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* @since 1.5.1
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* @param string $string
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* @param string $charset
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* @param boolean $htmlencode keep htmlspecialchars encoding
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* @param string
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*/
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function charset_encode($string,$charset,$htmlencode=true) {
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global $default_charset;
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// Undo html special chars
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if (! $htmlencode ) {
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$string = str_replace(array('&','>','<','"'),array('&','>','<','"'),$string);
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}
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$encode=fixcharset($charset);
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$encodefile=SM_PATH . 'functions/encode/' . $encode . '.php';
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if (file_exists($encodefile)) {
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include_once($encodefile);
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$ret = call_user_func('charset_encode_'.$encode, $string);
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} else {
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include_once(SM_PATH . 'functions/encode/us_ascii.php');
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$ret = charset_encode_us_ascii($string);
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}
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return( $ret );
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}
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/**
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* Combined decoding and encoding functions
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*
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* If conversion is done to charset different that utf-8, unsupported symbols
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* will be replaced with question marks.
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* @since 1.5.1
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* @param string $in_charset initial charset
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* @param string $string string that has to be converted
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* @param string $out_charset final charset
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* @param boolean $htmlencode keep htmlspecialchars encoding
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* @return string converted string
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*/
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function charset_convert($in_charset,$string,$out_charset,$htmlencode=true) {
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$string=charset_decode($in_charset,$string);
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$string=charset_encode($string,$out_charset,$htmlencode);
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return $string;
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}
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/**
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* Makes charset name suitable for decoding cycles
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*
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* @since 1.5.0
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* @param string $charset Name of charset
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* @return string $charset Adjusted name of charset
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*/
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function fixcharset($charset) {
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// minus removed from function names
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$charset=str_replace('-','_',$charset);
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// windows-125x and cp125x charsets
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$charset=str_replace('windows_','cp',$charset);
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// ibm > cp
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$charset=str_replace('ibm','cp',$charset);
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// iso-8859-8-i -> iso-8859-8
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// use same cycle until I'll find differences
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$charset=str_replace('iso_8859_8_i','iso_8859_8',$charset);
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return $charset;
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}
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/**
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* Set up the language to be output
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* if $do_search is true, then scan the browser information
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* for a possible language that we know
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*
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* Function sets system locale environment (LC_ALL, LANG, LANGUAGE),
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* gettext translation bindings and html header information.
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*
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* Function returns error codes, if there is some fatal error.
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* 0 = no error,
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* 1 = mbstring support is not present,
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* 2 = mbstring support is not present, user's translation reverted to en_US.
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*
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* @param string $sm_language translation used by user's interface
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* @param bool $do_search use browser's preferred language detection functions. Defaults to false.
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* @param bool $default set $sm_language to $squirrelmail_default_language if language detection fails or language is not set. Defaults to false.
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* @return int function execution error codes.
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*/
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function set_up_language($sm_language, $do_search = false, $default = false) {
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static $SetupAlready = 0;
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global $use_gettext, $languages,
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$squirrelmail_language, $squirrelmail_default_language, $default_charset,
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$sm_notAlias, $username, $data_dir;
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if ($SetupAlready) {
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return;
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}
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$SetupAlready = TRUE;
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sqgetGlobalVar('HTTP_ACCEPT_LANGUAGE', $accept_lang, SQ_SERVER);
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if ($do_search && ! $sm_language && isset($accept_lang)) {
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$sm_language = substr($accept_lang, 0, 2);
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}
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if ((!$sm_language||$default) && isset($squirrelmail_default_language)) {
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$squirrelmail_language = $squirrelmail_default_language;
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$sm_language = $squirrelmail_default_language;
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}
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$sm_notAlias = $sm_language;
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// Catching removed translation
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// System reverts to English translation if user prefs contain translation
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// that is not available in $languages array
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if (!isset($languages[$sm_notAlias])) {
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$sm_notAlias="en_US";
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}
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while (isset($languages[$sm_notAlias]['ALIAS'])) {
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$sm_notAlias = $languages[$sm_notAlias]['ALIAS'];
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}
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if ( isset($sm_language) &&
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$use_gettext &&
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$sm_language != '' &&
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isset($languages[$sm_notAlias]['CHARSET']) ) {
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sq_bindtextdomain( 'squirrelmail', SM_PATH . 'locale/' );
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sq_textdomain( 'squirrelmail' );
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if (function_exists('bind_textdomain_codeset')) {
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if ($sm_notAlias == 'ja_JP') {
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bind_textdomain_codeset ("squirrelmail", 'EUC-JP');
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} else {
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bind_textdomain_codeset ("squirrelmail", $languages[$sm_notAlias]['CHARSET'] );
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}
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}
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if (isset($languages[$sm_notAlias]['LOCALE'])){
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$longlocale=$languages[$sm_notAlias]['LOCALE'];
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} else {
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$longlocale=$sm_notAlias;
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}
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if ( !ini_get('safe_mode') &&
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getenv( 'LC_ALL' ) != $longlocale ) {
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putenv( "LC_ALL=$longlocale" );
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putenv( "LANG=$longlocale" );
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putenv( "LANGUAGE=$longlocale" );
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putenv( "LC_NUMERIC=C" );
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if ($sm_notAlias=='tr_TR') putenv( "LC_CTYPE=C" );
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}
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setlocale(LC_ALL, $longlocale);
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// Workaround for plugins that use numbers with floating point
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// It might be removed if plugins use correct decimal delimiters
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// according to locale settings.
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setlocale(LC_NUMERIC, 'C');
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// Workaround for specific Turkish strtolower/strtoupper rules.
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// Many functions expect English conversion rules.
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if ($sm_notAlias=='tr_TR') setlocale(LC_CTYPE,'C');
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// Set text direction/alignment variables
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if (isset($languages[$sm_notAlias]['DIR']) &&
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$languages[$sm_notAlias]['DIR'] == 'rtl') {
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/**
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* Text direction
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* @global string $text_direction
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*/
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$text_direction='rtl';
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/**
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* Left alignment
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* @global string $left_align
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*/
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$left_align='right';
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/**
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* Right alignment
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* @global string $right_align
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*/
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$right_align='left';
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} else {
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$text_direction='ltr';
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$left_align='left';
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$right_align='right';
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}
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$squirrelmail_language = $sm_notAlias;
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if ($squirrelmail_language == 'ja_JP') {
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header ('Content-Type: text/html; charset=EUC-JP');
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if (!function_exists('mb_internal_encoding')) {
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// Error messages can't be displayed here
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$error = 1;
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// Revert to English if possible.
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if (function_exists('setPref') && $username!='' && $data_dir!="") {
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setPref($data_dir, $username, 'language', "en_US");
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$error = 2;
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}
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// stop further execution in order not to get php errors on mb_internal_encoding().
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return $error;
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}
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if (function_exists('mb_language')) {
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mb_language('Japanese');
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}
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mb_internal_encoding('EUC-JP');
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mb_http_output('pass');
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} elseif ($squirrelmail_language == 'en_US') {
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header( 'Content-Type: text/html; charset=' . $default_charset );
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} else {
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header( 'Content-Type: text/html; charset=' . $languages[$sm_notAlias]['CHARSET'] );
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}
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}
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return 0;
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}
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/**
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* Sets default_charset variable according to the one that is used by user's translations.
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*
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* Function changes global $default_charset variable in order to be sure, that it
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* contains charset used by user's translation. Sanity of $squirrelmail_default_language
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* and $default_charset combination provided in SquirrelMail config is also tested.
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*
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* There can be a $default_charset setting in the
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* config.php file, but the user may have a different language
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* selected for a user interface. This function checks the
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* language selected by the user and tags the outgoing messages
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* with the appropriate charset corresponding to the language
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* selection. This is "more right" (tm), than just stamping the
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* message blindly with the system-wide $default_charset.
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*/
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function set_my_charset(){
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global $data_dir, $username, $default_charset, $languages, $squirrelmail_default_language;
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$my_language = getPref($data_dir, $username, 'language');
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if (!$my_language) {
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$my_language = $squirrelmail_default_language ;
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}
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// Catch removed translation
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if (!isset($languages[$my_language])) {
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$my_language="en_US";
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}
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while (isset($languages[$my_language]['ALIAS'])) {
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$my_language = $languages[$my_language]['ALIAS'];
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}
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$my_charset = $languages[$my_language]['CHARSET'];
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if ($my_language!='en_US') {
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$default_charset = $my_charset;
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}
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}
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/**************************
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* Japanese extra functions
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**************************/
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/**
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* Japanese decoding function
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*
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* converts string to euc-jp, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
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* charset. Needs mbstring support in php.
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* @param string $ret text, that has to be converted
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* @return string converted string
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* @since 1.5.1
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*/
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function japanese_xtra_decode($ret) {
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if (function_exists('mb_detect_encoding')) {
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$detect_encoding = @mb_detect_encoding($ret);
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if ($detect_encoding == 'JIS' ||
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$detect_encoding == 'EUC-JP' ||
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$detect_encoding == 'SJIS' ||
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$detect_encoding == 'UTF-8') {
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$ret = mb_convert_kana(mb_convert_encoding($ret, 'EUC-JP', 'AUTO'), "KV");
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}
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}
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return $ret;
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}
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/**
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* Japanese encoding function
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*
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* converts string to jis, if string uses JIS, EUC-JP, ShiftJIS or UTF-8
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* charset. Needs mbstring support in php.
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* @param string $ret text, that has to be converted
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* @return string converted text
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* @since 1.5.1
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*/
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function japanese_xtra_encode($ret) {
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if (function_exists('mb_detect_encoding')) {
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$detect_encoding = @mb_detect_encoding($ret);
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if ($detect_encoding == 'JIS' ||
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$detect_encoding == 'EUC-JP' ||
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$detect_encoding == 'SJIS' ||
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$detect_encoding == 'UTF-8') {
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$ret = mb_convert_encoding(mb_convert_kana($ret, "KV"), 'JIS', 'AUTO');
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}
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}
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return $ret;
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}
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/**
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* Japanese header encoding function
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*
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* creates base64 encoded header in iso-2022-jp charset
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* @param string $ret text, that has to be converted
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* @return string mime base64 encoded string
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* @since 1.5.1
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*/
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function japanese_xtra_encodeheader($ret) {
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if (function_exists('mb_detect_encoding')) {
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$result = '';
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if (strlen($ret) > 0) {
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$tmpstr = mb_substr($ret, 0, 1);
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$prevcsize = strlen($tmpstr);
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for ($i = 1; $i < mb_strlen($ret); $i++) {
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$tmp = mb_substr($ret, $i, 1);
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if (strlen($tmp) == $prevcsize) {
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$tmpstr .= $tmp;
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} else {
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if ($prevcsize == 1) {
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$result .= $tmpstr;
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} else {
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$result .= str_replace(' ', '',
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mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
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}
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$tmpstr = $tmp;
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$prevcsize = strlen($tmp);
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}
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}
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if (strlen($tmpstr)) {
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if (strlen(mb_substr($tmpstr, 0, 1)) == 1)
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$result .= $tmpstr;
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else
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$result .= str_replace(' ', '',
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mb_encode_mimeheader($tmpstr,'iso-2022-jp','B',''));
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}
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}
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$ret = $result;
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}
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return $ret;
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}
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/**
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* Japanese header decoding function
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*
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* return human readable string from mime header. string is returned in euc-jp
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* charset.
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* @param string $ret header string
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* @return string decoded header string
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* @since 1.5.1
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*/
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function japanese_xtra_decodeheader($ret) {
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if (function_exists('mb_detect_encoding')) {
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$ret = str_replace("\t", "", $ret);
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if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', $ret))
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$ret = @mb_decode_mimeheader($ret);
|
|
$ret = @mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Japanese downloaded filename processing function
|
|
*
|
|
* Returns shift-jis or euc-jp encoded file name
|
|
* @param string $ret string
|
|
* @param string $useragent browser
|
|
* @return string converted string
|
|
* @since 1.5.1
|
|
*/
|
|
function japanese_xtra_downloadfilename($ret,$useragent) {
|
|
if (function_exists('mb_detect_encoding')) {
|
|
if (strstr($useragent, 'Windows') !== false ||
|
|
strstr($useragent, 'Mac_') !== false) {
|
|
$ret = mb_convert_encoding($ret, 'SJIS', 'AUTO');
|
|
} else {
|
|
$ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
|
|
}
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Japanese wordwrap function
|
|
*
|
|
* wraps text at set number of symbols
|
|
* @param string $ret text
|
|
* @param integer $wrap number of symbols per line
|
|
* @return string wrapped text
|
|
* @since 1.5.1
|
|
*/
|
|
function japanese_xtra_wordwrap($ret,$wrap) {
|
|
if (function_exists('mb_detect_encoding')) {
|
|
$no_begin = "\x21\x25\x29\x2c\x2e\x3a\x3b\x3f\x5d\x7d\xa1\xf1\xa1\xeb\xa1" .
|
|
"\xc7\xa1\xc9\xa2\xf3\xa1\xec\xa1\xed\xa1\xee\xa1\xa2\xa1\xa3\xa1\xb9" .
|
|
"\xa1\xd3\xa1\xd5\xa1\xd7\xa1\xd9\xa1\xdb\xa1\xcd\xa4\xa1\xa4\xa3\xa4" .
|
|
"\xa5\xa4\xa7\xa4\xa9\xa4\xc3\xa4\xe3\xa4\xe5\xa4\xe7\xa4\xee\xa1\xab" .
|
|
"\xa1\xac\xa1\xb5\xa1\xb6\xa5\xa1\xa5\xa3\xa5\xa5\xa5\xa7\xa5\xa9\xa5" .
|
|
"\xc3\xa5\xe3\xa5\xe5\xa5\xe7\xa5\xee\xa5\xf5\xa5\xf6\xa1\xa6\xa1\xbc" .
|
|
"\xa1\xb3\xa1\xb4\xa1\xaa\xa1\xf3\xa1\xcb\xa1\xa4\xa1\xa5\xa1\xa7\xa1" .
|
|
"\xa8\xa1\xa9\xa1\xcf\xa1\xd1";
|
|
$no_end = "\x5c\x24\x28\x5b\x7b\xa1\xf2\x5c\xa1\xc6\xa1\xc8\xa1\xd2\xa1" .
|
|
"\xd4\xa1\xd6\xa1\xd8\xa1\xda\xa1\xcc\xa1\xf0\xa1\xca\xa1\xce\xa1\xd0\xa1\xef";
|
|
|
|
if (strlen($ret) >= $wrap &&
|
|
substr($ret, 0, 1) != '>' &&
|
|
strpos($ret, 'http://') === FALSE &&
|
|
strpos($ret, 'https://') === FALSE &&
|
|
strpos($ret, 'ftp://') === FALSE) {
|
|
|
|
$ret = mb_convert_kana($ret, "KV");
|
|
|
|
$line_new = '';
|
|
$ptr = 0;
|
|
|
|
while ($ptr < strlen($ret) - 1) {
|
|
$l = mb_strcut($ret, $ptr, $wrap);
|
|
$ptr += strlen($l);
|
|
$tmp = $l;
|
|
|
|
$l = mb_strcut($ret, $ptr, 2);
|
|
while (strlen($l) != 0 && mb_strpos($no_begin, $l) !== FALSE ) {
|
|
$tmp .= $l;
|
|
$ptr += strlen($l);
|
|
$l = mb_strcut($ret, $ptr, 1);
|
|
}
|
|
$line_new .= $tmp;
|
|
if ($ptr < strlen($ret) - 1)
|
|
$line_new .= "\n";
|
|
}
|
|
$ret = $line_new;
|
|
}
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Japanese imap folder name encoding function
|
|
*
|
|
* converts folder name from euc-jp to utf7-imap
|
|
* @param string $ret folder name
|
|
* @return string converted folder name
|
|
* @since 1.5.1
|
|
*/
|
|
function japanese_xtra_utf7_imap_encode($ret){
|
|
if (function_exists('mb_detect_encoding')) {
|
|
$ret = mb_convert_encoding($ret, 'UTF7-IMAP', 'EUC-JP');
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Japanese imap folder name decoding function
|
|
*
|
|
* converts folder name from utf7-imap to euc-jp.
|
|
* @param string $ret folder name in utf7-imap
|
|
* @return string converted folder name
|
|
* @since 1.5.1
|
|
*/
|
|
function japanese_xtra_utf7_imap_decode($ret) {
|
|
if (function_exists('mb_detect_encoding')) {
|
|
$ret = mb_convert_encoding($ret, 'EUC-JP', 'UTF7-IMAP');
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Japanese string trimming function
|
|
*
|
|
* trims string to defined number of symbols
|
|
* @param string $ret string
|
|
* @param integer $width number of symbols
|
|
* @return string trimmed string
|
|
* @since 1.5.1
|
|
*/
|
|
function japanese_xtra_strimwidth($ret,$width) {
|
|
if (function_exists('mb_detect_encoding')) {
|
|
$ret = mb_strimwidth($ret, 0, $width, '...');
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/********************************
|
|
* Korean charset extra functions
|
|
********************************/
|
|
|
|
/**
|
|
* Korean downloaded filename processing functions
|
|
*
|
|
* @param string default return value
|
|
* @return string
|
|
* @since 1.5.1
|
|
*/
|
|
function korean_xtra_downloadfilename($ret) {
|
|
$ret = str_replace("\x0D\x0A", '', $ret); /* Hanmail's CR/LF Clear */
|
|
for ($i=0;$i<strlen($ret);$i++) {
|
|
if ($ret[$i] >= "\xA1" && $ret[$i] <= "\xFE") { /* 0xA1 - 0XFE are Valid */
|
|
$i++;
|
|
continue;
|
|
} else if (($ret[$i] >= 'a' && $ret[$i] <= 'z') || /* From Original ereg_replace in download.php */
|
|
($ret[$i] >= 'A' && $ret[$i] <= 'Z') ||
|
|
($ret[$i] == '.') || ($ret[$i] == '-')) {
|
|
continue;
|
|
} else {
|
|
$ret[$i] = '_';
|
|
}
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Replaces non-braking spaces inserted by some browsers with regular space
|
|
*
|
|
* This function can be used to replace non-braking space symbols
|
|
* that are inserted in forms by some browsers instead of normal
|
|
* space symbol.
|
|
*
|
|
* @param string $string Text that needs to be cleaned
|
|
* @param string $charset Charset used in text
|
|
* @return string Cleaned text
|
|
*/
|
|
function cleanup_nbsp($string,$charset) {
|
|
|
|
// reduce number of case statements
|
|
if (stristr('iso-8859-',substr($charset,0,9))){
|
|
$output_charset="iso-8859-x";
|
|
}
|
|
if (stristr('windows-125',substr($charset,0,11))){
|
|
$output_charset="cp125x";
|
|
}
|
|
if (stristr('koi8',substr($charset,0,4))){
|
|
$output_charset="koi8-x";
|
|
}
|
|
if (! isset($output_charset)){
|
|
$output_charset=strtolower($charset);
|
|
}
|
|
|
|
// where is non-braking space symbol
|
|
switch($output_charset):
|
|
case "iso-8859-x":
|
|
case "cp125x":
|
|
case "iso-2022-jp":
|
|
$nbsp="\xA0";
|
|
break;
|
|
case "koi8-x":
|
|
$nbsp="\x9A";
|
|
break;
|
|
case "utf-8":
|
|
$nbsp="\xC2\xA0";
|
|
break;
|
|
default:
|
|
// don't change string if charset is unmatched
|
|
return $string;
|
|
endswitch;
|
|
|
|
// return space instead of non-braking space.
|
|
return str_replace($nbsp,' ',$string);
|
|
}
|
|
|
|
/**
|
|
* Function informs if it is safe to convert given charset to the one that is used by user.
|
|
*
|
|
* It is safe to use conversion only if user uses utf-8 encoding and when
|
|
* converted charset is similar to the one that is used by user.
|
|
*
|
|
* @param string $input_charset Charset of text that needs to be converted
|
|
* @return bool is it possible to convert to user's charset
|
|
*/
|
|
function is_conversion_safe($input_charset) {
|
|
global $languages, $sm_notAlias, $default_charset, $lossy_encoding;
|
|
|
|
if (isset($lossy_encoding) && $lossy_encoding )
|
|
return true;
|
|
|
|
// convert to lower case
|
|
$input_charset = strtolower($input_charset);
|
|
|
|
// Is user's locale Unicode based ?
|
|
if ( $default_charset == "utf-8" ) {
|
|
return true;
|
|
}
|
|
|
|
// Charsets that are similar
|
|
switch ($default_charset):
|
|
case "windows-1251":
|
|
if ( $input_charset == "iso-8859-5" ||
|
|
$input_charset == "koi8-r" ||
|
|
$input_charset == "koi8-u" ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
case "windows-1257":
|
|
if ( $input_charset == "iso-8859-13" ||
|
|
$input_charset == "iso-8859-4" ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
case "iso-8859-4":
|
|
if ( $input_charset == "iso-8859-13" ||
|
|
$input_charset == "windows-1257" ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
case "iso-8859-5":
|
|
if ( $input_charset == "windows-1251" ||
|
|
$input_charset == "koi8-r" ||
|
|
$input_charset == "koi8-u" ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
case "iso-8859-13":
|
|
if ( $input_charset == "iso-8859-4" ||
|
|
$input_charset == "windows-1257" ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
case "koi8-r":
|
|
if ( $input_charset == "windows-1251" ||
|
|
$input_charset == "iso-8859-5" ||
|
|
$input_charset == "koi8-u" ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
case "koi8-u":
|
|
if ( $input_charset == "windows-1251" ||
|
|
$input_charset == "iso-8859-5" ||
|
|
$input_charset == "koi8-r" ) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
default:
|
|
return false;
|
|
endswitch;
|
|
}
|
|
|
|
|
|
/* ------------------------------ main --------------------------- */
|
|
|
|
global $squirrelmail_language, $languages, $use_gettext;
|
|
|
|
if (! isset($squirrelmail_language)) {
|
|
$squirrelmail_language = '';
|
|
}
|
|
|
|
/**
|
|
* Array specifies the available translations.
|
|
*
|
|
* Structure of array:
|
|
* $languages['language']['variable'] = 'value'
|
|
*
|
|
* Possible 'variable' names:
|
|
* NAME - Translation name in English
|
|
* CHARSET - Encoding used by translation
|
|
* ALIAS - used when 'language' is only short name and 'value' should provide long language name
|
|
* ALTNAME - Native translation name. Any 8bit symbols must be html encoded.
|
|
* LOCALE - Full locale name (in xx_XX.charset format)
|
|
* DIR - Text direction. Used to define Right-to-Left languages. Possible values 'rtl' or 'ltr'. If undefined - defaults to 'ltr'
|
|
* XTRA_CODE - translation uses special functions. See doc/i18n.txt
|
|
*
|
|
* Each 'language' definition requires NAME+CHARSET or ALIAS variables.
|
|
*
|
|
* @name $languages
|
|
* @global array $languages
|
|
*/
|
|
$languages['bg_BG']['NAME'] = 'Bulgarian';
|
|
$languages['bg_BG']['ALTNAME'] = 'Български';
|
|
$languages['bg_BG']['CHARSET'] = 'windows-1251';
|
|
$languages['bg_BG']['LOCALE'] = 'bg_BG.CP1251';
|
|
$languages['bg']['ALIAS'] = 'bg_BG';
|
|
|
|
$languages['bn_IN']['NAME'] = 'Bengali';
|
|
$languages['bn_IN']['CHARSET'] = 'utf-8';
|
|
$languages['bn_IN']['LOCALE'] = 'bn_IN.UTF-8';
|
|
$languages['bn']['ALIAS'] = 'bn_IN';
|
|
|
|
$languages['ca_ES']['NAME'] = 'Catalan';
|
|
$languages['ca_ES']['CHARSET'] = 'iso-8859-1';
|
|
$languages['ca_ES']['LOCALE'] = 'ca_ES.ISO8859-1';
|
|
$languages['ca']['ALIAS'] = 'ca_ES';
|
|
|
|
$languages['cs_CZ']['NAME'] = 'Czech';
|
|
$languages['cs_CZ']['ALTNAME'] = 'Čeština';
|
|
$languages['cs_CZ']['CHARSET'] = 'iso-8859-2';
|
|
$languages['cs_CZ']['LOCALE'] = 'cs_CZ.ISO8859-2';
|
|
$languages['cs']['ALIAS'] = 'cs_CZ';
|
|
|
|
$languages['cy_GB']['NAME'] = 'Welsh';
|
|
$languages['cy_GB']['ALTNAME'] = 'Cymraeg';
|
|
$languages['cy_GB']['CHARSET'] = 'iso-8859-1';
|
|
$languages['cy_GB']['LOCALE'] = 'cy_GB.ISO8859-1';
|
|
$languages['cy']['ALIAS'] = 'cy_GB';
|
|
|
|
// Danish locale is da_DK.
|
|
$languages['da_DK']['NAME'] = 'Danish';
|
|
$languages['da_DK']['ALTNAME'] = 'Dansk';
|
|
$languages['da_DK']['CHARSET'] = 'iso-8859-1';
|
|
$languages['da_DK']['LOCALE'] = 'da_DK.ISO8859-1';
|
|
$languages['da']['ALIAS'] = 'da_DK';
|
|
|
|
$languages['de_DE']['NAME'] = 'German';
|
|
$languages['de_DE']['ALTNAME'] = 'Deutsch';
|
|
$languages['de_DE']['CHARSET'] = 'iso-8859-1';
|
|
$languages['de_DE']['LOCALE'] = 'de_DE.ISO8859-1';
|
|
$languages['de']['ALIAS'] = 'de_DE';
|
|
|
|
$languages['el_GR']['NAME'] = 'Greek';
|
|
$languages['el_GR']['ALTNAME'] = 'Ελληνικά';
|
|
$languages['el_GR']['CHARSET'] = 'iso-8859-7';
|
|
$languages['el_GR']['LOCALE'] = 'el_GR.ISO8859-7';
|
|
$languages['el']['ALIAS'] = 'el_GR';
|
|
|
|
$languages['en_GB']['NAME'] = 'British';
|
|
$languages['en_GB']['CHARSET'] = 'iso-8859-15';
|
|
$languages['en_GB']['LOCALE'] = 'en_GB.ISO8859-15';
|
|
|
|
$languages['en_US']['NAME'] = 'English';
|
|
$languages['en_US']['CHARSET'] = 'iso-8859-1';
|
|
$languages['en_US']['LOCALE'] = 'en_US.ISO8859-1';
|
|
$languages['en']['ALIAS'] = 'en_US';
|
|
|
|
$languages['es_ES']['NAME'] = 'Spanish';
|
|
$languages['es_ES']['ALTNAME'] = 'Español';
|
|
$languages['es_ES']['CHARSET'] = 'iso-8859-1';
|
|
$languages['es_ES']['LOCALE'] = 'es_ES.ISO8859-1';
|
|
$languages['es']['ALIAS'] = 'es_ES';
|
|
|
|
$languages['et_EE']['NAME'] = 'Estonian';
|
|
$languages['et_EE']['CHARSET'] = 'iso-8859-15';
|
|
$languages['et_EE']['LOCALE'] = 'et_EE.ISO8859-15';
|
|
$languages['et']['ALIAS'] = 'et_EE';
|
|
|
|
$languages['eu_ES']['NAME'] = 'Basque';
|
|
$languages['eu_ES']['CHARSET'] = 'iso-8859-1';
|
|
$languages['eu_ES']['LOCALE'] = 'eu_ES.ISO8859-1';
|
|
$languages['eu']['ALIAS'] = 'eu_ES';
|
|
|
|
$languages['fo_FO']['NAME'] = 'Faroese';
|
|
$languages['fo_FO']['CHARSET'] = 'iso-8859-1';
|
|
$languages['fo_FO']['LOCALE'] = 'fo_FO.ISO8859-1';
|
|
$languages['fo']['ALIAS'] = 'fo_FO';
|
|
|
|
$languages['fi_FI']['NAME'] = 'Finnish';
|
|
$languages['fi_FI']['ALTNAME'] = 'Suomi';
|
|
$languages['fi_FI']['CHARSET'] = 'iso-8859-1';
|
|
$languages['fi_FI']['LOCALE'] = 'fi_FI.ISO8859-1';
|
|
$languages['fi']['ALIAS'] = 'fi_FI';
|
|
|
|
$languages['fr_FR']['NAME'] = 'French';
|
|
$languages['fr_FR']['ALTNAME'] = 'Français';
|
|
$languages['fr_FR']['CHARSET'] = 'iso-8859-1';
|
|
$languages['fr_FR']['LOCALE'] = 'fr_FR.ISO8859-1';
|
|
$languages['fr']['ALIAS'] = 'fr_FR';
|
|
|
|
$languages['hr_HR']['NAME'] = 'Croatian';
|
|
$languages['hr_HR']['CHARSET'] = 'iso-8859-2';
|
|
$languages['hr_HR']['LOCALE'] = 'hr_HR.ISO8859-2';
|
|
$languages['hr']['ALIAS'] = 'hr_HR';
|
|
|
|
$languages['hu_HU']['NAME'] = 'Hungarian';
|
|
$languages['hu_HU']['ALTNAME'] = 'Magyar';
|
|
$languages['hu_HU']['CHARSET'] = 'iso-8859-2';
|
|
$languages['hu_HU']['LOCALE'] = 'hu_HU.ISO8859-2';
|
|
$languages['hu']['ALIAS'] = 'hu_HU';
|
|
|
|
$languages['id_ID']['NAME'] = 'Indonesian';
|
|
$languages['id_ID']['ALTNAME'] = 'Bahasa Indonesia';
|
|
$languages['id_ID']['CHARSET'] = 'iso-8859-1';
|
|
$languages['id_ID']['LOCALE'] = 'id_ID.ISO8859-1';
|
|
$languages['id']['ALIAS'] = 'id_ID';
|
|
|
|
$languages['is_IS']['NAME'] = 'Icelandic';
|
|
$languages['is_IS']['ALTNAME'] = 'Íslenska';
|
|
$languages['is_IS']['CHARSET'] = 'iso-8859-1';
|
|
$languages['is_IS']['LOCALE'] = 'is_IS.ISO8859-1';
|
|
$languages['is']['ALIAS'] = 'is_IS';
|
|
|
|
$languages['it_IT']['NAME'] = 'Italian';
|
|
$languages['it_IT']['CHARSET'] = 'iso-8859-1';
|
|
$languages['it_IT']['LOCALE'] = 'it_IT.ISO8859-1';
|
|
$languages['it']['ALIAS'] = 'it_IT';
|
|
|
|
$languages['ja_JP']['NAME'] = 'Japanese';
|
|
$languages['ja_JP']['ALTNAME'] = '日本語';
|
|
$languages['ja_JP']['CHARSET'] = 'iso-2022-jp';
|
|
$languages['ja_JP']['LOCALE'] = 'ja_JP.EUC-JP';
|
|
$languages['ja_JP']['XTRA_CODE'] = 'japanese_xtra';
|
|
$languages['ja']['ALIAS'] = 'ja_JP';
|
|
|
|
$languages['ko_KR']['NAME'] = 'Korean';
|
|
$languages['ko_KR']['CHARSET'] = 'euc-KR';
|
|
$languages['ko_KR']['LOCALE'] = 'ko_KR.EUC-KR';
|
|
$languages['ko_KR']['XTRA_CODE'] = 'korean_xtra';
|
|
$languages['ko']['ALIAS'] = 'ko_KR';
|
|
|
|
$languages['lt_LT']['NAME'] = 'Lithuanian';
|
|
$languages['lt_LT']['ALTNAME'] = 'Lietuvių';
|
|
$languages['lt_LT']['CHARSET'] = 'utf-8';
|
|
$languages['lt_LT']['LOCALE'] = 'lt_LT.UTF-8';
|
|
$languages['lt']['ALIAS'] = 'lt_LT';
|
|
|
|
$languages['nl_NL']['NAME'] = 'Dutch';
|
|
$languages['nl_NL']['ALTNAME'] = 'Nederlands';
|
|
$languages['nl_NL']['CHARSET'] = 'iso-8859-1';
|
|
$languages['nl_NL']['LOCALE'] = 'nl_NL.ISO8859-1';
|
|
$languages['nl']['ALIAS'] = 'nl_NL';
|
|
|
|
$languages['ms_MY']['NAME'] = 'Malay';
|
|
$languages['ms_MY']['ALTNAME'] = 'Bahasa Melayu';
|
|
$languages['ms_MY']['CHARSET'] = 'iso-8859-1';
|
|
$languages['ms_MY']['LOCALE'] = 'ms_MY.ISO8859-1';
|
|
$languages['my']['ALIAS'] = 'ms_MY';
|
|
|
|
$languages['nb_NO']['NAME'] = 'Norwegian (Bokmål)';
|
|
$languages['nb_NO']['ALTNAME'] = 'Norsk (Bokmål)';
|
|
$languages['nb_NO']['CHARSET'] = 'iso-8859-1';
|
|
$languages['nb_NO']['LOCALE'] = 'nb_NO.ISO8859-1';
|
|
$languages['nb']['ALIAS'] = 'nb_NO';
|
|
|
|
$languages['nn_NO']['NAME'] = 'Norwegian (Nynorsk)';
|
|
$languages['nn_NO']['ALTNAME'] = 'Norsk (Nynorsk)';
|
|
$languages['nn_NO']['CHARSET'] = 'iso-8859-1';
|
|
$languages['nn_NO']['LOCALE'] = 'nn_NO.ISO8859-1';
|
|
|
|
$languages['pl_PL']['NAME'] = 'Polish';
|
|
$languages['pl_PL']['ALTNAME'] = 'Polski';
|
|
$languages['pl_PL']['CHARSET'] = 'iso-8859-2';
|
|
$languages['pl_PL']['LOCALE'] = 'pl_PL.ISO8859-2';
|
|
$languages['pl']['ALIAS'] = 'pl_PL';
|
|
|
|
$languages['pt_PT']['NAME'] = 'Portuguese (Portugal)';
|
|
$languages['pt_PT']['CHARSET'] = 'iso-8859-1';
|
|
$languages['pt_PT']['LOCALE'] = 'pt_PT.ISO8859-1';
|
|
$languages['pt']['ALIAS'] = 'pt_PT';
|
|
|
|
$languages['pt_BR']['NAME'] = 'Portuguese (Brazil)';
|
|
$languages['pt_BR']['ALTNAME'] = 'Português do Brasil';
|
|
$languages['pt_BR']['CHARSET'] = 'iso-8859-1';
|
|
$languages['pt_BR']['LOCALE'] = 'pt_BR.ISO8859-1';
|
|
|
|
$languages['ro_RO']['NAME'] = 'Romanian';
|
|
$languages['ro_RO']['ALTNAME'] = 'Română';
|
|
$languages['ro_RO']['CHARSET'] = 'iso-8859-2';
|
|
$languages['ro_RO']['LOCALE'] = 'ro_RO.ISO8859-2';
|
|
$languages['ro']['ALIAS'] = 'ro_RO';
|
|
|
|
$languages['ru_RU']['NAME'] = 'Russian';
|
|
$languages['ru_RU']['ALTNAME'] = 'Русский';
|
|
$languages['ru_RU']['CHARSET'] = 'utf-8';
|
|
$languages['ru_RU']['LOCALE'] = 'ru_RU.UTF-8';
|
|
$languages['ru']['ALIAS'] = 'ru_RU';
|
|
|
|
$languages['sk_SK']['NAME'] = 'Slovak';
|
|
$languages['sk_SK']['CHARSET'] = 'iso-8859-2';
|
|
$languages['sk_SK']['LOCALE'] = 'sk_SK.ISO8859-2';
|
|
$languages['sk']['ALIAS'] = 'sk_SK';
|
|
|
|
$languages['sl_SI']['NAME'] = 'Slovenian';
|
|
$languages['sl_SI']['ALTNAME'] = 'Slovenščina';
|
|
$languages['sl_SI']['CHARSET'] = 'iso-8859-2';
|
|
$languages['sl_SI']['LOCALE'] = 'sl_SI.ISO8859-2';
|
|
$languages['sl']['ALIAS'] = 'sl_SI';
|
|
|
|
$languages['sr_YU']['NAME'] = 'Serbian';
|
|
$languages['sr_YU']['ALTNAME'] = 'Srpski';
|
|
$languages['sr_YU']['CHARSET'] = 'iso-8859-2';
|
|
$languages['sr_YU']['LOCALE'] = 'sr_YU.ISO8859-2';
|
|
$languages['sr']['ALIAS'] = 'sr_YU';
|
|
|
|
$languages['sv_SE']['NAME'] = 'Swedish';
|
|
$languages['sv_SE']['ALTNAME'] = 'Svenska';
|
|
$languages['sv_SE']['CHARSET'] = 'iso-8859-1';
|
|
$languages['sv_SE']['LOCALE'] = 'sv_SE.ISO8859-1';
|
|
$languages['sv']['ALIAS'] = 'sv_SE';
|
|
|
|
$languages['th_TH']['NAME'] = 'Thai';
|
|
$languages['th_TH']['CHARSET'] = 'tis-620';
|
|
$languages['th_TH']['LOCALE'] = 'th_TH.TIS-620';
|
|
$languages['th']['ALIAS'] = 'th_TH';
|
|
|
|
$languages['tl_PH']['NAME'] = 'Tagalog';
|
|
$languages['tl_PH']['CHARSET'] = 'iso-8859-1';
|
|
$languages['tl_PH']['LOCALE'] = 'tl_PH.ISO8859-1';
|
|
$languages['tl']['ALIAS'] = 'tl_PH';
|
|
|
|
$languages['tr_TR']['NAME'] = 'Turkish';
|
|
$languages['tr_TR']['CHARSET'] = 'iso-8859-9';
|
|
$languages['tr_TR']['LOCALE'] = 'tr_TR.ISO8859-9';
|
|
$languages['tr']['ALIAS'] = 'tr_TR';
|
|
|
|
$languages['zh_TW']['NAME'] = 'Chinese Trad';
|
|
$languages['zh_TW']['CHARSET'] = 'big5';
|
|
$languages['zh_TW']['LOCALE'] = 'zh_TW.BIG5';
|
|
$languages['tw']['ALIAS'] = 'zh_TW';
|
|
|
|
$languages['zh_CN']['NAME'] = 'Chinese Simp';
|
|
$languages['zh_CN']['CHARSET'] = 'gb2312';
|
|
$languages['zh_CN']['LOCALE'] = 'zh_CN.GB2312';
|
|
$languages['cn']['ALIAS'] = 'zh_CN';
|
|
|
|
$languages['uk_UA']['NAME'] = 'Ukrainian';
|
|
$languages['uk_UA']['CHARSET'] = 'koi8-u';
|
|
$languages['uk_UA']['LOCALE'] = 'uk_UA.KOI8-U';
|
|
$languages['uk']['ALIAS'] = 'uk_UA';
|
|
|
|
$languages['ru_UA']['NAME'] = 'Russian (Ukrainian)';
|
|
$languages['ru_UA']['CHARSET'] = 'koi8-r';
|
|
$languages['ru_UA']['LOCALE'] = 'ru_UA.KOI8-R';
|
|
|
|
/*
|
|
$languages['vi_VN']['NAME'] = 'Vietnamese';
|
|
$languages['vi_VN']['CHARSET'] = 'utf-8';
|
|
$languages['vi']['ALIAS'] = 'vi_VN';
|
|
*/
|
|
|
|
// Right to left languages
|
|
$languages['ar']['NAME'] = 'Arabic';
|
|
$languages['ar']['CHARSET'] = 'windows-1256';
|
|
$languages['ar']['DIR'] = 'rtl';
|
|
|
|
$languages['fa_IR']['NAME'] = 'Farsi';
|
|
$languages['fa_IR']['CHARSET'] = 'utf-8';
|
|
$languages['fa_IR']['DIR'] = 'rtl';
|
|
$languages['fa_IR']['LOCALE'] = 'fa_IR.UTF-8';
|
|
$languages['fa']['ALIAS'] = 'fa_IR';
|
|
|
|
$languages['he_IL']['NAME'] = 'Hebrew';
|
|
$languages['he_IL']['CHARSET'] = 'windows-1255';
|
|
$languages['he_IL']['LOCALE'] = 'he_IL.CP1255';
|
|
$languages['he_IL']['DIR'] = 'rtl';
|
|
$languages['he']['ALIAS'] = 'he_IL';
|
|
|
|
$languages['ug']['NAME'] = 'Uighur';
|
|
$languages['ug']['CHARSET'] = 'utf-8';
|
|
$languages['ug']['DIR'] = 'rtl';
|
|
|
|
/* 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 (function_exists('ngettext')) {
|
|
$gettext_flags += 8;
|
|
}
|
|
|
|
/* If gettext is fully loaded, cool */
|
|
if ($gettext_flags == 15) {
|
|
$use_gettext = true;
|
|
}
|
|
|
|
/* If ngettext support is missing, load it */
|
|
elseif ($gettext_flags == 7) {
|
|
$use_gettext = true;
|
|
// load internal ngettext functions
|
|
include_once(SM_PATH . 'class/l10n.class.php');
|
|
include_once(SM_PATH . 'functions/ngettext.php');
|
|
}
|
|
|
|
/* If we can fake gettext, try that */
|
|
elseif ($gettext_flags == 0) {
|
|
$use_gettext = true;
|
|
include_once(SM_PATH . 'functions/gettext.php');
|
|
} else {
|
|
/* Uh-ho. A weird install */
|
|
if (! $gettext_flags & 1) {
|
|
/**
|
|
* Function is used as replacement in broken installs
|
|
* @ignore
|
|
*/
|
|
function _($str) {
|
|
return $str;
|
|
}
|
|
}
|
|
if (! $gettext_flags & 2) {
|
|
/**
|
|
* Function is used as replacement in broken installs
|
|
* @ignore
|
|
*/
|
|
function bindtextdomain() {
|
|
return;
|
|
}
|
|
}
|
|
if (! $gettext_flags & 4) {
|
|
/**
|
|
* Function is used as replacemet in broken installs
|
|
* @ignore
|
|
*/
|
|
function textdomain() {
|
|
return;
|
|
}
|
|
}
|
|
if (! $gettext_flags & 8) {
|
|
/**
|
|
* Function is used as replacemet in broken installs
|
|
* @ignore
|
|
*/
|
|
function ngettext($str,$str2,$number) {
|
|
if ($number>1) {
|
|
return $str2;
|
|
} else {
|
|
return $str;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
?>
|