diff options
Diffstat (limited to 'vendor/symfony/polyfill-mbstring/Mbstring.php')
| -rw-r--r-- | vendor/symfony/polyfill-mbstring/Mbstring.php | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/vendor/symfony/polyfill-mbstring/Mbstring.php b/vendor/symfony/polyfill-mbstring/Mbstring.php new file mode 100644 index 00000000..97e8c9b4 --- /dev/null +++ b/vendor/symfony/polyfill-mbstring/Mbstring.php @@ -0,0 +1,664 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Polyfill\Mbstring; + +/** + * Partial mbstring implementation in PHP, iconv based, UTF-8 centric. + * + * Implemented: + * - mb_chr - Returns a specific character from its Unicode code point + * - mb_convert_encoding - Convert character encoding + * - mb_convert_variables - Convert character code in variable(s) + * - mb_decode_mimeheader - Decode string in MIME header field + * - mb_encode_mimeheader - Encode string for MIME header XXX NATIVE IMPLEMENTATION IS REALLY BUGGED + * - mb_convert_case - Perform case folding on a string + * - mb_get_info - Get internal settings of mbstring + * - mb_http_input - Detect HTTP input character encoding + * - mb_http_output - Set/Get HTTP output character encoding + * - mb_internal_encoding - Set/Get internal character encoding + * - mb_list_encodings - Returns an array of all supported encodings + * - mb_ord - Returns the Unicode code point of a character + * - mb_output_handler - Callback function converts character encoding in output buffer + * - mb_scrub - Replaces ill-formed byte sequences with substitute characters + * - mb_strlen - Get string length + * - mb_strpos - Find position of first occurrence of string in a string + * - mb_strrpos - Find position of last occurrence of a string in a string + * - mb_strtolower - Make a string lowercase + * - mb_strtoupper - Make a string uppercase + * - mb_substitute_character - Set/Get substitution character + * - mb_substr - Get part of string + * - mb_stripos - Finds position of first occurrence of a string within another, case insensitive + * - mb_stristr - Finds first occurrence of a string within another, case insensitive + * - mb_strrchr - Finds the last occurrence of a character in a string within another + * - mb_strrichr - Finds the last occurrence of a character in a string within another, case insensitive + * - mb_strripos - Finds position of last occurrence of a string within another, case insensitive + * - mb_strstr - Finds first occurrence of a string within anothers + * - mb_strwidth - Return width of string + * - mb_substr_count - Count the number of substring occurrences + * + * Not implemented: + * - mb_convert_kana - Convert "kana" one from another ("zen-kaku", "han-kaku" and more) + * - mb_decode_numericentity - Decode HTML numeric string reference to character + * - mb_encode_numericentity - Encode character to HTML numeric string reference + * - mb_ereg_* - Regular expression with multibyte support + * - mb_parse_str - Parse GET/POST/COOKIE data and set global variable + * - mb_preferred_mime_name - Get MIME charset string + * - mb_regex_encoding - Returns current encoding for multibyte regex as string + * - mb_regex_set_options - Set/Get the default options for mbregex functions + * - mb_send_mail - Send encoded mail + * - mb_split - Split multibyte string using regular expression + * - mb_strcut - Get part of string + * - mb_strimwidth - Get truncated string with specified width + * + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +final class Mbstring +{ + const MB_CASE_FOLD = PHP_INT_MAX; + + private static $encodingList = array('ASCII', 'UTF-8'); + private static $language = 'neutral'; + private static $internalEncoding = 'UTF-8'; + private static $caseFold = array( + array('µ','ſ',"\xCD\x85",'ς',"\xCF\x90","\xCF\x91","\xCF\x95","\xCF\x96","\xCF\xB0","\xCF\xB1","\xCF\xB5","\xE1\xBA\x9B","\xE1\xBE\xBE"), + array('μ','s','ι', 'σ','β', 'θ', 'φ', 'π', 'κ', 'ρ', 'ε', "\xE1\xB9\xA1",'ι'), + ); + + public static function mb_convert_encoding($s, $toEncoding, $fromEncoding = null) + { + if (is_array($fromEncoding) || false !== strpos($fromEncoding, ',')) { + $fromEncoding = self::mb_detect_encoding($s, $fromEncoding); + } else { + $fromEncoding = self::getEncoding($fromEncoding); + } + + $toEncoding = self::getEncoding($toEncoding); + + if ('BASE64' === $fromEncoding) { + $s = base64_decode($s); + $fromEncoding = $toEncoding; + } + + if ('BASE64' === $toEncoding) { + return base64_encode($s); + } + + if ('HTML-ENTITIES' === $toEncoding || 'HTML' === $toEncoding) { + if ('HTML-ENTITIES' === $fromEncoding || 'HTML' === $fromEncoding) { + $fromEncoding = 'Windows-1252'; + } + if ('UTF-8' !== $fromEncoding) { + $s = iconv($fromEncoding, 'UTF-8//IGNORE', $s); + } + + return preg_replace_callback('/[\x80-\xFF]+/', array(__CLASS__, 'html_encoding_callback'), $s); + } + + if ('HTML-ENTITIES' === $fromEncoding) { + $s = html_entity_decode($s, ENT_COMPAT, 'UTF-8'); + $fromEncoding = 'UTF-8'; + } + + return iconv($fromEncoding, $toEncoding.'//IGNORE', $s); + } + + public static function mb_convert_variables($toEncoding, $fromEncoding, &$a = null, &$b = null, &$c = null, &$d = null, &$e = null, &$f = null) + { + $vars = array(&$a, &$b, &$c, &$d, &$e, &$f); + + $ok = true; + array_walk_recursive($vars, function (&$v) use (&$ok, $toEncoding, $fromEncoding) { + if (false === $v = Mbstring::mb_convert_encoding($v, $toEncoding, $fromEncoding)) { + $ok = false; + } + }); + + return $ok ? $fromEncoding : false; + } + + public static function mb_decode_mimeheader($s) + { + return iconv_mime_decode($s, 2, self::$internalEncoding); + } + + public static function mb_encode_mimeheader($s, $charset = null, $transferEncoding = null, $linefeed = null, $indent = null) + { + trigger_error('mb_encode_mimeheader() is bugged. Please use iconv_mime_encode() instead', E_USER_WARNING); + } + + public static function mb_convert_case($s, $mode, $encoding = null) + { + if ('' === $s .= '') { + return ''; + } + + $encoding = self::getEncoding($encoding); + + if ('UTF-8' === $encoding) { + $encoding = null; + if (!preg_match('//u', $s)) { + $s = @iconv('UTF-8', 'UTF-8//IGNORE', $s); + } + } else { + $s = iconv($encoding, 'UTF-8//IGNORE', $s); + } + + if (MB_CASE_TITLE == $mode) { + $s = preg_replace_callback('/\b\p{Ll}/u', array(__CLASS__, 'title_case_upper'), $s); + $s = preg_replace_callback('/\B[\p{Lu}\p{Lt}]+/u', array(__CLASS__, 'title_case_lower'), $s); + } else { + if (MB_CASE_UPPER == $mode) { + static $upper = null; + if (null === $upper) { + $upper = self::getData('upperCase'); + } + $map = $upper; + } else { + if (self::MB_CASE_FOLD === $mode) { + $s = str_replace(self::$caseFold[0], self::$caseFold[1], $s); + } + + static $lower = null; + if (null === $lower) { + $lower = self::getData('lowerCase'); + } + $map = $lower; + } + + static $ulenMask = array("\xC0" => 2, "\xD0" => 2, "\xE0" => 3, "\xF0" => 4); + + $i = 0; + $len = strlen($s); + + while ($i < $len) { + $ulen = $s[$i] < "\x80" ? 1 : $ulenMask[$s[$i] & "\xF0"]; + $uchr = substr($s, $i, $ulen); + $i += $ulen; + + if (isset($map[$uchr])) { + $uchr = $map[$uchr]; + $nlen = strlen($uchr); + + if ($nlen == $ulen) { + $nlen = $i; + do { + $s[--$nlen] = $uchr[--$ulen]; + } while ($ulen); + } else { + $s = substr_replace($s, $uchr, $i - $ulen, $ulen); + $len += $nlen - $ulen; + $i += $nlen - $ulen; + } + } + } + } + + if (null === $encoding) { + return $s; + } + + return iconv('UTF-8', $encoding.'//IGNORE', $s); + } + + public static function mb_internal_encoding($encoding = null) + { + if (null === $encoding) { + return self::$internalEncoding; + } + + $encoding = self::getEncoding($encoding); + + if ('UTF-8' === $encoding || false !== @iconv($encoding, $encoding, ' ')) { + self::$internalEncoding = $encoding; + + return true; + } + + return false; + } + + public static function mb_language($lang = null) + { + if (null === $lang) { + return self::$language; + } + + switch ($lang = strtolower($lang)) { + case 'uni': + case 'neutral': + self::$language = $lang; + + return true; + } + + return false; + } + + public static function mb_list_encodings() + { + return array('UTF-8'); + } + + public static function mb_encoding_aliases($encoding) + { + switch (strtoupper($encoding)) { + case 'UTF8': + case 'UTF-8': + return array('utf8'); + } + + return false; + } + + public static function mb_check_encoding($var = null, $encoding = null) + { + if (null === $encoding) { + if (null === $var) { + return false; + } + $encoding = self::$internalEncoding; + } + + return self::mb_detect_encoding($var, array($encoding)) || false !== @iconv($encoding, $encoding, $var); + } + + public static function mb_detect_encoding($str, $encodingList = null, $strict = false) + { + if (null === $encodingList) { + $encodingList = self::$encodingList; + } else { + if (!is_array($encodingList)) { + $encodingList = array_map('trim', explode(',', $encodingList)); + } + $encodingList = array_map('strtoupper', $encodingList); + } + + foreach ($encodingList as $enc) { + switch ($enc) { + case 'ASCII': + if (!preg_match('/[\x80-\xFF]/', $str)) { + return $enc; + } + break; + + case 'UTF8': + case 'UTF-8': + if (preg_match('//u', $str)) { + return 'UTF-8'; + } + break; + + default: + if (0 === strncmp($enc, 'ISO-8859-', 9)) { + return $enc; + } + } + } + + return false; + } + + public static function mb_detect_order($encodingList = null) + { + if (null === $encodingList) { + return self::$encodingList; + } + + if (!is_array($encodingList)) { + $encodingList = array_map('trim', explode(',', $encodingList)); + } + $encodingList = array_map('strtoupper', $encodingList); + + foreach ($encodingList as $enc) { + switch ($enc) { + default: + if (strncmp($enc, 'ISO-8859-', 9)) { + return false; + } + case 'ASCII': + case 'UTF8': + case 'UTF-8': + } + } + + self::$encodingList = $encodingList; + + return true; + } + + public static function mb_strlen($s, $encoding = null) + { + $encoding = self::getEncoding($encoding); + if ('CP850' === $encoding || 'ASCII' === $encoding) { + return strlen($s); + } + + return @iconv_strlen($s, $encoding); + } + + public static function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) + { + $encoding = self::getEncoding($encoding); + if ('CP850' === $encoding || 'ASCII' === $encoding) { + return strpos($haystack, $needle, $offset); + } + + if ('' === $needle .= '') { + trigger_error(__METHOD__.': Empty delimiter', E_USER_WARNING); + + return false; + } + + return iconv_strpos($haystack, $needle, $offset, $encoding); + } + + public static function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) + { + $encoding = self::getEncoding($encoding); + if ('CP850' === $encoding || 'ASCII' === $encoding) { + return strrpos($haystack, $needle, $offset); + } + + if ($offset != (int) $offset) { + $offset = 0; + } elseif ($offset = (int) $offset) { + if ($offset < 0) { + $haystack = self::mb_substr($haystack, 0, $offset, $encoding); + $offset = 0; + } else { + $haystack = self::mb_substr($haystack, $offset, 2147483647, $encoding); + } + } + + $pos = iconv_strrpos($haystack, $needle, $encoding); + + return false !== $pos ? $offset + $pos : false; + } + + public static function mb_strtolower($s, $encoding = null) + { + return self::mb_convert_case($s, MB_CASE_LOWER, $encoding); + } + + public static function mb_strtoupper($s, $encoding = null) + { + return self::mb_convert_case($s, MB_CASE_UPPER, $encoding); + } + + public static function mb_substitute_character($c = null) + { + if (0 === strcasecmp($c, 'none')) { + return true; + } + + return null !== $c ? false : 'none'; + } + + public static function mb_substr($s, $start, $length = null, $encoding = null) + { + $encoding = self::getEncoding($encoding); + if ('CP850' === $encoding || 'ASCII' === $encoding) { + return substr($s, $start, null === $length ? 2147483647 : $length); + } + + if ($start < 0) { + $start = iconv_strlen($s, $encoding) + $start; + if ($start < 0) { + $start = 0; + } + } + + if (null === $length) { + $length = 2147483647; + } elseif ($length < 0) { + $length = iconv_strlen($s, $encoding) + $length - $start; + if ($length < 0) { + return ''; + } + } + + return iconv_substr($s, $start, $length, $encoding).''; + } + + public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) + { + $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); + $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); + + return self::mb_strpos($haystack, $needle, $offset, $encoding); + } + + public static function mb_stristr($haystack, $needle, $part = false, $encoding = null) + { + $pos = self::mb_stripos($haystack, $needle, 0, $encoding); + + return self::getSubpart($pos, $part, $haystack, $encoding); + } + + public static function mb_strrchr($haystack, $needle, $part = false, $encoding = null) + { + $encoding = self::getEncoding($encoding); + if ('CP850' === $encoding || 'ASCII' === $encoding) { + return strrchr($haystack, $needle, $part); + } + $needle = self::mb_substr($needle, 0, 1, $encoding); + $pos = iconv_strrpos($haystack, $needle, $encoding); + + return self::getSubpart($pos, $part, $haystack, $encoding); + } + + public static function mb_strrichr($haystack, $needle, $part = false, $encoding = null) + { + $needle = self::mb_substr($needle, 0, 1, $encoding); + $pos = self::mb_strripos($haystack, $needle, $encoding); + + return self::getSubpart($pos, $part, $haystack, $encoding); + } + + public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) + { + $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding); + $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding); + + return self::mb_strrpos($haystack, $needle, $offset, $encoding); + } + + public static function mb_strstr($haystack, $needle, $part = false, $encoding = null) + { + $pos = strpos($haystack, $needle); + if (false === $pos) { + return false; + } + if ($part) { + return substr($haystack, 0, $pos); + } + + return substr($haystack, $pos); + } + + public static function mb_get_info($type = 'all') + { + $info = array( + 'internal_encoding' => self::$internalEncoding, + 'http_output' => 'pass', + 'http_output_conv_mimetypes' => '^(text/|application/xhtml\+xml)', + 'func_overload' => 0, + 'func_overload_list' => 'no overload', + 'mail_charset' => 'UTF-8', + 'mail_header_encoding' => 'BASE64', + 'mail_body_encoding' => 'BASE64', + 'illegal_chars' => 0, + 'encoding_translation' => 'Off', + 'language' => self::$language, + 'detect_order' => self::$encodingList, + 'substitute_character' => 'none', + 'strict_detection' => 'Off', + ); + + if ('all' === $type) { + return $info; + } + if (isset($info[$type])) { + return $info[$type]; + } + + return false; + } + + public static function mb_http_input($type = '') + { + return false; + } + + public static function mb_http_output($encoding = null) + { + return null !== $encoding ? 'pass' === $encoding : 'pass'; + } + + public static function mb_strwidth($s, $encoding = null) + { + $encoding = self::getEncoding($encoding); + + if ('UTF-8' !== $encoding) { + $s = iconv($encoding, 'UTF-8//IGNORE', $s); + } + + $s = preg_replace('/[\x{1100}-\x{115F}\x{2329}\x{232A}\x{2E80}-\x{303E}\x{3040}-\x{A4CF}\x{AC00}-\x{D7A3}\x{F900}-\x{FAFF}\x{FE10}-\x{FE19}\x{FE30}-\x{FE6F}\x{FF00}-\x{FF60}\x{FFE0}-\x{FFE6}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}]/u', '', $s, -1, $wide); + + return ($wide << 1) + iconv_strlen($s, 'UTF-8'); + } + + public static function mb_substr_count($haystack, $needle, $encoding = null) + { + return substr_count($haystack, $needle); + } + + public static function mb_output_handler($contents, $status) + { + return $contents; + } + + public static function mb_chr($code, $encoding = null) + { + if (0x80 > $code %= 0x200000) { + $s = chr($code); + } elseif (0x800 > $code) { + $s = chr(0xC0 | $code >> 6).chr(0x80 | $code & 0x3F); + } elseif (0x10000 > $code) { + $s = chr(0xE0 | $code >> 12).chr(0x80 | $code >> 6 & 0x3F).chr(0x80 | $code & 0x3F); + } else { + $s = chr(0xF0 | $code >> 18).chr(0x80 | $code >> 12 & 0x3F).chr(0x80 | $code >> 6 & 0x3F).chr(0x80 | $code & 0x3F); + } + + if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { + $s = mb_convert_encoding($s, $encoding, 'UTF-8'); + } + + return $s; + } + + public static function mb_ord($s, $encoding = null) + { + if ('UTF-8' !== $encoding = self::getEncoding($encoding)) { + $s = mb_convert_encoding($s, 'UTF-8', $encoding); + } + + $code = ($s = unpack('C*', substr($s, 0, 4))) ? $s[1] : 0; + if (0xF0 <= $code) { + return (($code - 0xF0) << 18) + (($s[2] - 0x80) << 12) + (($s[3] - 0x80) << 6) + $s[4] - 0x80; + } + if (0xE0 <= $code) { + return (($code - 0xE0) << 12) + (($s[2] - 0x80) << 6) + $s[3] - 0x80; + } + if (0xC0 <= $code) { + return (($code - 0xC0) << 6) + $s[2] - 0x80; + } + + return $code; + } + + private static function getSubpart($pos, $part, $haystack, $encoding) + { + if (false === $pos) { + return false; + } + if ($part) { + return self::mb_substr($haystack, 0, $pos, $encoding); + } + + return self::mb_substr($haystack, $pos, null, $encoding); + } + + private static function html_encoding_callback($m) + { + $i = 1; + $entities = ''; + $m = unpack('C*', htmlentities($m[0], ENT_COMPAT, 'UTF-8')); + + while (isset($m[$i])) { + if (0x80 > $m[$i]) { + $entities .= chr($m[$i++]); + continue; + } + if (0xF0 <= $m[$i]) { + $c = (($m[$i++] - 0xF0) << 18) + (($m[$i++] - 0x80) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; + } elseif (0xE0 <= $m[$i]) { + $c = (($m[$i++] - 0xE0) << 12) + (($m[$i++] - 0x80) << 6) + $m[$i++] - 0x80; + } else { + $c = (($m[$i++] - 0xC0) << 6) + $m[$i++] - 0x80; + } + + $entities .= '&#'.$c.';'; + } + + return $entities; + } + + private static function title_case_lower($s) + { + return self::mb_convert_case($s[0], MB_CASE_LOWER, 'UTF-8'); + } + + private static function title_case_upper($s) + { + return self::mb_convert_case($s[0], MB_CASE_UPPER, 'UTF-8'); + } + + private static function getData($file) + { + if (file_exists($file = __DIR__.'/Resources/unidata/'.$file.'.php')) { + return require $file; + } + + return false; + } + + private static function getEncoding($encoding) + { + if (null === $encoding) { + return self::$internalEncoding; + } + + $encoding = strtoupper($encoding); + + if ('8BIT' === $encoding || 'BINARY' === $encoding) { + return 'CP850'; + } + if ('UTF8' === $encoding) { + return 'UTF-8'; + } + + return $encoding; + } +} |