punycode update
This commit is contained in:
dennydai
parent
169e250bd1
commit
8b619fc0f9
@ -1,180 +1,9 @@
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<?php
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PluginSet("Punycode Encode & Decode.");
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class Punycode
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{
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private static $DECODE_TABLE = array(
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'a' => 0, 'b' => 1, 'c' => 2, 'd' => 3, 'e' => 4, 'f' => 5,
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'g' => 6, 'h' => 7, 'i' => 8, 'j' => 9, 'k' => 10, 'l' => 11,
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'm' => 12, 'n' => 13, 'o' => 14, 'p' => 15, 'q' => 16, 'r' => 17,
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's' => 18, 't' => 19, 'u' => 20, 'v' => 21, 'w' => 22, 'x' => 23,
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'y' => 24, 'z' => 25, '0' => 26, '1' => 27, '2' => 28, '3' => 29,
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'4' => 30, '5' => 31, '6' => 32, '7' => 33, '8' => 34, '9' => 35
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);
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private static $ENCODE_TABLE = array(
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'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
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'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
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'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'
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);
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const BASE = 36;
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const TMIN = 1;
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const TMAX = 26;
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const SKEW = 38;
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const DAMP = 700;
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const INITIAL_BIAS = 72;
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const INITIAL_N = 0x80;
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const DELIMITER = '-';
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const PREFIX = 'xn--';
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const SUFFIX = '';
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private static $OPTIONS = array(
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'charset' => 'UTF-8'
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);
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public static function set_options($options)
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{
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self::$OPTIONS = array_merge(self::$OPTIONS, (array)$options);
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if (idn_to_ascii($plugin_text)) {
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$msg = "UTF-8: ".idn_to_ascii($plugin_text);
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}else {
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$msg = "Punnycode: ".idn_to_utf8($plugin_text);
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}
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private static function adapt($delta, $numpoints, $firsttime)
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{
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$delta = (int)($firsttime ? $delta / self::DAMP : $delta / 2);
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$delta += (int)($delta / $numpoints);
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$k = 0;
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while ($delta > (((self::BASE - self::TMIN) * self::TMAX) / 2)) {
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$delta = (int)($delta / (self::BASE - self::TMIN));
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$k += self::BASE;
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}
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return $k + (int)((self::BASE - self::TMIN + 1) * $delta / ($delta + self::SKEW));
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}
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private static function string_from_charcode($charcode)
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{
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return mb_convert_encoding('&#'.$charcode.';', self::$OPTIONS['charset'], 'HTML-ENTITIES');
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}
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private static function charcode_from_string( $string )
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{
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return (int)preg_replace('/^.*?([0-9]+).*$/', '$1', mb_convert_encoding($string, 'HTML-ENTITIES', self::$OPTIONS['charset']));
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}
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public static function urldecode($url)
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{
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return self::urlendecode($url, 'decode');
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}
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public static function urlencode($url)
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{
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return self::urlendecode($url, 'encode');
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}
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private static function urlendecode($url, $func)
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{
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$uri = parse_url($url);
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if (!empty($uri['host'])) {
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foreach (array_unique((array)explode('.', $uri['host'])) as $var) {
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if (($encoded = self::$func($var)) != $var) {
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$url = str_replace($var, $encoded, $url);
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}
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}
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}
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return $url;
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}
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public static function decode($input)
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{
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if (preg_match('/^'. self::PREFIX .'/', $input)) {
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return self::_decode(substr($input, strlen(self::PREFIX)));
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}
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return $input;
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}
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public static function encode($input)
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{
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if (preg_match('/[^\x00-\x7f]/', $input)) {
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return self::PREFIX . self::_encode($input);
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}
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return $input;
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}
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public static function _decode($input)
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{
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$n = self::INITIAL_N;
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$bias = self::INITIAL_BIAS;
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$i = 0;
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$output = null;
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if ($pos = (int)strrpos($input, self::DELIMITER)) {
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$output = substr($input, 0, $pos++);
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}
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$ilen = strlen($input);
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$olen = strlen($output);
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while ($pos < $ilen) {
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$oldi = $i;
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$w = 1;
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$k = 0;
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while ($k += self::BASE) {
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$i += ($digit = self::$DECODE_TABLE[ $input[$pos++] ]) * $w;
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$t = $k <= $bias ? self::TMIN : ($k >= $bias + self::TMAX ? self::TMAX : $k - $bias);
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if ($digit < $t) {
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break;
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}
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$w *= self::BASE - $t;
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}
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$bias = self::adapt($i - $oldi, ++$olen, $oldi == 0);
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$n += (int)($i / $olen);
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$i %= $olen;
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$output = mb_substr($output, 0, $i, self::$OPTIONS['charset']) . self::string_from_charcode($n) . mb_substr($output, $i, $olen - $i, self::$OPTIONS['charset']);
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++$i;
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}
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return $output;
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}
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public static function _encode($input)
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{
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$n = self::INITIAL_N;
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$bias = self::INITIAL_BIAS;
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$delta = 0;
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$output = null;
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$ilen = mb_strlen($input, self::$OPTIONS['charset']);
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$non_basic_codepoints = array();
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$codepoints = array();
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for ($b = 0; $b < $ilen; ++$b) {
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if (($code = ord($char = mb_substr($input, $b, 1, self::$OPTIONS['charset']))) < $n) {
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$output .= $char;
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} else if (!in_array($code = self::charcode_from_string($char), $non_basic_codepoints)) {
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$non_basic_codepoints[] = $code;
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}
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$codepoints[] = $code;
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}
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if (($b = strlen($output)) == $ilen) {
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return $output;
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}
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if ($h = $b) {
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$output .= self::DELIMITER;
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}
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$j = 0;
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sort($non_basic_codepoints);
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while ($h < $ilen) {
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$m = $non_basic_codepoints[$j++];
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$delta += ($m - $n) * ($h + 1);
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$n = $m;
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foreach ($codepoints as $c) {
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if ($c < $n) {
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++$delta;
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} else if ($c == $n) {
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$q = $delta;
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$k = 0;
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while ($k += self::BASE) {
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$t = $k <= $bias ? self::TMIN : ($k >= $bias + self::TMAX ? self::TMAX : $k - $bias);
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if ($q < $t) {
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break;
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}
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$output .= self::$ENCODE_TABLE[$t + (($q - $t) % (self::BASE - $t))];
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$q = (int)(($q - $t) / (self::BASE - $t));
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}
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$output .= self::$ENCODE_TABLE[$q];
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$bias = self::adapt($delta, $h + 1, $h == $b);
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$delta = 0;
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++$h;
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}
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}
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++$delta;
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++$n;
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}
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return $output;
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}
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}
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$Punycode = new Punycode();
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$msg = "UTF-8: ".$Punycode->decode($plugin_text)."\nPunnycode: ".$Punycode->encode($plugin_text);
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$BOT->msg($plugin_sendto, $msg);
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?>
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