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-rw-r--r--program/include/rcube_shared.inc117
1 files changed, 0 insertions, 117 deletions
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 6767c93e7..936e8959a 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -419,123 +419,6 @@ function rc_image_content_type($data)
/**
- * A method to guess encoding of a string.
- *
- * @param string $string String.
- * @param string $failover Default result for failover.
- *
- * @return string
- */
-function rc_detect_encoding($string, $failover='')
-{
- if (!function_exists('mb_detect_encoding')) {
- return $failover;
- }
-
- // FIXME: the order is important, because sometimes
- // iso string is detected as euc-jp and etc.
- $enc = array(
- 'UTF-8', 'SJIS', 'BIG5', 'GB2312',
- 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
- 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
- 'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
- 'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R',
- 'ISO-2022-KR', 'ISO-2022-JP'
- );
-
- $result = mb_detect_encoding($string, join(',', $enc));
-
- return $result ? $result : $failover;
-}
-
-/**
- * Removes non-unicode characters from input
- *
- * @param mixed $input String or array.
- * @return string
- */
-function rc_utf8_clean($input)
-{
- // handle input of type array
- if (is_array($input)) {
- foreach ($input as $idx => $val)
- $input[$idx] = rc_utf8_clean($val);
- return $input;
- }
-
- if (!is_string($input) || $input == '')
- return $input;
-
- // iconv/mbstring are much faster (especially with long strings)
- if (function_exists('mb_convert_encoding') && ($res = mb_convert_encoding($input, 'UTF-8', 'UTF-8')) !== false)
- return $res;
-
- if (function_exists('iconv') && ($res = @iconv('UTF-8', 'UTF-8//IGNORE', $input)) !== false)
- return $res;
-
- $regexp = '/^('.
-// '[\x00-\x7F]'. // UTF8-1
- '|[\xC2-\xDF][\x80-\xBF]'. // UTF8-2
- '|\xE0[\xA0-\xBF][\x80-\xBF]'. // UTF8-3
- '|[\xE1-\xEC][\x80-\xBF][\x80-\xBF]'. // UTF8-3
- '|\xED[\x80-\x9F][\x80-\xBF]'. // UTF8-3
- '|[\xEE-\xEF][\x80-\xBF][\x80-\xBF]'. // UTF8-3
- '|\xF0[\x90-\xBF][\x80-\xBF][\x80-\xBF]'. // UTF8-4
- '|[\xF1-\xF3][\x80-\xBF][\x80-\xBF][\x80-\xBF]'.// UTF8-4
- '|\xF4[\x80-\x8F][\x80-\xBF][\x80-\xBF]'. // UTF8-4
- ')$/';
-
- $seq = '';
- $out = '';
-
- for ($i = 0, $len = strlen($input); $i < $len; $i++) {
- $chr = $input[$i];
- $ord = ord($chr);
- // 1-byte character
- if ($ord <= 0x7F) {
- if ($seq)
- $out .= preg_match($regexp, $seq) ? $seq : '';
- $seq = '';
- $out .= $chr;
- // first (or second) byte of multibyte sequence
- } else if ($ord >= 0xC0) {
- if (strlen($seq)>1) {
- $out .= preg_match($regexp, $seq) ? $seq : '';
- $seq = '';
- } else if ($seq && ord($seq) < 0xC0) {
- $seq = '';
- }
- $seq .= $chr;
- // next byte of multibyte sequence
- } else if ($seq) {
- $seq .= $chr;
- }
- }
-
- if ($seq)
- $out .= preg_match($regexp, $seq) ? $seq : '';
-
- return $out;
-}
-
-
-/**
- * Convert a variable into a javascript object notation
- *
- * @param mixed Input value
- * @return string Serialized JSON string
- */
-function json_serialize($input)
-{
- $input = rc_utf8_clean($input);
-
- // sometimes even using rc_utf8_clean() the input contains invalid UTF-8 sequences
- // that's why we have @ here
- return @json_encode($input);
-}
-
-
-/**
* Explode quoted string
*
* @param string Delimiter expression string for preg_match()