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| | | | Copyright (C) 2005-2012, The Roundcube Dev Team | |
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| | | | Copyright (C) 2011-2012, Kolab Systems AG | |
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| | | | Copyright (C) 2000 Edmund Grimley Evans <edmundo@rano.org> | |
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| | | | Licensed under the GNU GPL | |
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| | | | | |
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| | | | Licensed under the GNU General Public License version 3 or | |
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| | | | any later version with exceptions for skins & plugins. | |
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| | | | See the README file for a full license statement. | |
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| | | | | |
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| | | | PURPOSE: | |
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| | | | Provide charset conversion functionality | |
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| | |
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| | | * @param int Level of the error |
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| | | * @param string Error message |
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| | | */ |
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| | | public function error_handler($errno, $errstr) |
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| | | public static function error_handler($errno, $errstr) |
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| | | { |
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| | | throw new ErrorException($errstr, 0, $errno); |
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| | | } |
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| | |
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| | | * Sometimes charset string is malformed, there are also charset aliases |
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| | | * but we need strict names for charset conversion (specially utf8 class) |
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| | | * |
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| | | * @param string Input charset name |
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| | | * @param string $input Input charset name |
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| | | * |
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| | | * @return string The validated charset name |
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| | | */ |
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| | |
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| | | static $mbstring_list = null; |
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| | | static $conv = null; |
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| | | |
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| | | $to = empty($to) ? strtoupper(RCMAIL_CHARSET) : self::parse($to); |
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| | | $to = empty($to) ? strtoupper(RCMAIL_CHARSET) : $to; |
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| | | $from = self::parse($from); |
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| | | |
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| | | // It is a common case when UTF-16 charset is used with US-ASCII content (#1488654) |
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| | | // In that case we can just skip the conversion (use UTF-8) |
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| | | if ($from == 'UTF-16' && !preg_match('/[^\x00-\x7F]/', $str)) { |
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| | | $from = 'UTF-8'; |
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| | | } |
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| | | |
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| | | if ($from == $to || empty($str) || empty($from)) { |
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| | | return $str; |
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| | |
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| | | if ($from == 'UTF-8') { |
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| | | // @TODO: we need a function for UTF-7 (RFC2152) conversion |
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| | | if ($to == 'UTF7-IMAP' || $to == 'UTF-7') { |
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| | | if ($_str = utf8_to_utf7imap($str)) { |
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| | | if ($_str = self::utf8_to_utf7imap($str)) { |
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| | | return $_str; |
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| | | } |
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| | | } |
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