| | |
| | | * |
| | | * @return string The validated charset name |
| | | */ |
| | | public static function parse($input) |
| | | public static function parse_charset($input) |
| | | { |
| | | static $charsets = array(); |
| | | $charset = strtoupper($input); |
| | |
| | | public static function convert($str, $from, $to = null) |
| | | { |
| | | static $iconv_options = null; |
| | | static $mbstring_loaded = null; |
| | | static $mbstring_list = null; |
| | | static $conv = null; |
| | | |
| | | $to = empty($to) ? strtoupper(RCMAIL_CHARSET) : self::parse($to); |
| | | $from = self::parse($from); |
| | | $to = empty($to) ? strtoupper(RCMAIL_CHARSET) : self::parse_charset($to); |
| | | $from = self::parse_charset($from); |
| | | |
| | | if ($from == $to || empty($str) || empty($from)) { |
| | | return $str; |
| | | } |
| | | |
| | | // convert charset using iconv module |
| | | if (function_exists('iconv') && $from != 'UTF7-IMAP' && $to != 'UTF7-IMAP') { |
| | | if ($iconv_options === null) { |
| | | if ($iconv_options === null) { |
| | | if (function_exists('iconv')) { |
| | | // ignore characters not available in output charset |
| | | $iconv_options = '//IGNORE'; |
| | | if (iconv('', $iconv_options, '') === false) { |
| | |
| | | $iconv_options = ''; |
| | | } |
| | | } |
| | | } |
| | | |
| | | // convert charset using iconv module |
| | | if ($iconv_options !== null && $from != 'UTF7-IMAP' && $to != 'UTF7-IMAP') { |
| | | // throw an exception if iconv reports an illegal character in input |
| | | // it means that input string has been truncated |
| | | set_error_handler(array('rcube_charset', 'error_handler'), E_NOTICE); |
| | |
| | | } |
| | | } |
| | | |
| | | if ($mbstring_loaded === null) { |
| | | $mbstring_loaded = extension_loaded('mbstring'); |
| | | } |
| | | |
| | | // convert charset using mbstring module |
| | | if ($mbstring_loaded) { |
| | | $aliases['WINDOWS-1257'] = 'ISO-8859-13'; |
| | | |
| | | if ($mbstring_list === null) { |
| | | if ($mbstring_list === null) { |
| | | if (extension_loaded('mbstring')) { |
| | | $mbstring_list = mb_list_encodings(); |
| | | $mbstring_list = array_map('strtoupper', $mbstring_list); |
| | | } |
| | | } |
| | | |
| | | // convert charset using mbstring module |
| | | if ($mbstring_list !== null) { |
| | | $aliases['WINDOWS-1257'] = 'ISO-8859-13'; |
| | | |
| | | $mb_from = $aliases[$from] ? $aliases[$from] : $from; |
| | | $mb_to = $aliases[$to] ? $aliases[$to] : $to; |