wp/wp-includes/SimplePie/Misc.php
changeset 0 d970ebf37754
child 16 a86126ab1dd4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/SimplePie/Misc.php	Wed Nov 06 03:21:17 2013 +0000
@@ -0,0 +1,2247 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 	* Redistributions of source code must retain the above copyright notice, this list of
+ * 	  conditions and the following disclaimer.
+ *
+ * 	* Redistributions in binary form must reproduce the above copyright notice, this list
+ * 	  of conditions and the following disclaimer in the documentation and/or other materials
+ * 	  provided with the distribution.
+ *
+ * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * 	  to endorse or promote products derived from this software without specific prior
+ * 	  written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3.1
+ * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+/**
+ * Miscellanous utilities
+ *
+ * @package SimplePie
+ */
+class SimplePie_Misc
+{
+	public static function time_hms($seconds)
+	{
+		$time = '';
+
+		$hours = floor($seconds / 3600);
+		$remainder = $seconds % 3600;
+		if ($hours > 0)
+		{
+			$time .= $hours.':';
+		}
+
+		$minutes = floor($remainder / 60);
+		$seconds = $remainder % 60;
+		if ($minutes < 10 && $hours > 0)
+		{
+			$minutes = '0' . $minutes;
+		}
+		if ($seconds < 10)
+		{
+			$seconds = '0' . $seconds;
+		}
+
+		$time .= $minutes.':';
+		$time .= $seconds;
+
+		return $time;
+	}
+
+	public static function absolutize_url($relative, $base)
+	{
+		$iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative);
+		if ($iri === false)
+		{
+			return false;
+		}
+		return $iri->get_uri();
+	}
+
+	/**
+	 * Get a HTML/XML element from a HTML string
+	 *
+	 * @deprecated Use DOMDocument instead (parsing HTML with regex is bad!)
+	 * @param string $realname Element name (including namespace prefix if applicable)
+	 * @param string $string HTML document
+	 * @return array
+	 */
+	public static function get_element($realname, $string)
+	{
+		$return = array();
+		$name = preg_quote($realname, '/');
+		if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE))
+		{
+			for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++)
+			{
+				$return[$i]['tag'] = $realname;
+				$return[$i]['full'] = $matches[$i][0][0];
+				$return[$i]['offset'] = $matches[$i][0][1];
+				if (strlen($matches[$i][3][0]) <= 2)
+				{
+					$return[$i]['self_closing'] = true;
+				}
+				else
+				{
+					$return[$i]['self_closing'] = false;
+					$return[$i]['content'] = $matches[$i][4][0];
+				}
+				$return[$i]['attribs'] = array();
+				if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER))
+				{
+					for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++)
+					{
+						if (count($attribs[$j]) === 2)
+						{
+							$attribs[$j][2] = $attribs[$j][1];
+						}
+						$return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]));
+					}
+				}
+			}
+		}
+		return $return;
+	}
+
+	public static function element_implode($element)
+	{
+		$full = "<$element[tag]";
+		foreach ($element['attribs'] as $key => $value)
+		{
+			$key = strtolower($key);
+			$full .= " $key=\"" . htmlspecialchars($value['data']) . '"';
+		}
+		if ($element['self_closing'])
+		{
+			$full .= ' />';
+		}
+		else
+		{
+			$full .= ">$element[content]</$element[tag]>";
+		}
+		return $full;
+	}
+
+	public static function error($message, $level, $file, $line)
+	{
+		if ((ini_get('error_reporting') & $level) > 0)
+		{
+			switch ($level)
+			{
+				case E_USER_ERROR:
+					$note = 'PHP Error';
+					break;
+				case E_USER_WARNING:
+					$note = 'PHP Warning';
+					break;
+				case E_USER_NOTICE:
+					$note = 'PHP Notice';
+					break;
+				default:
+					$note = 'Unknown Error';
+					break;
+			}
+
+			$log_error = true;
+			if (!function_exists('error_log'))
+			{
+				$log_error = false;
+			}
+
+			$log_file = @ini_get('error_log');
+			if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file))
+			{
+				$log_error = false;
+			}
+
+			if ($log_error)
+			{
+				@error_log("$note: $message in $file on line $line", 0);
+			}
+		}
+
+		return $message;
+	}
+
+	public static function fix_protocol($url, $http = 1)
+	{
+		$url = SimplePie_Misc::normalize_url($url);
+		$parsed = SimplePie_Misc::parse_url($url);
+		if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https')
+		{
+			return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http);
+		}
+
+		if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url))
+		{
+			return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http);
+		}
+
+		if ($http === 2 && $parsed['scheme'] !== '')
+		{
+			return "feed:$url";
+		}
+		elseif ($http === 3 && strtolower($parsed['scheme']) === 'http')
+		{
+			return substr_replace($url, 'podcast', 0, 4);
+		}
+		elseif ($http === 4 && strtolower($parsed['scheme']) === 'http')
+		{
+			return substr_replace($url, 'itpc', 0, 4);
+		}
+		else
+		{
+			return $url;
+		}
+	}
+
+	public static function parse_url($url)
+	{
+		$iri = new SimplePie_IRI($url);
+		return array(
+			'scheme' => (string) $iri->scheme,
+			'authority' => (string) $iri->authority,
+			'path' => (string) $iri->path,
+			'query' => (string) $iri->query,
+			'fragment' => (string) $iri->fragment
+		);
+	}
+
+	public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '')
+	{
+		$iri = new SimplePie_IRI('');
+		$iri->scheme = $scheme;
+		$iri->authority = $authority;
+		$iri->path = $path;
+		$iri->query = $query;
+		$iri->fragment = $fragment;
+		return $iri->get_uri();
+	}
+
+	public static function normalize_url($url)
+	{
+		$iri = new SimplePie_IRI($url);
+		return $iri->get_uri();
+	}
+
+	public static function percent_encoding_normalization($match)
+	{
+		$integer = hexdec($match[1]);
+		if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E)
+		{
+			return chr($integer);
+		}
+		else
+		{
+			return strtoupper($match[0]);
+		}
+	}
+
+	/**
+	 * Converts a Windows-1252 encoded string to a UTF-8 encoded string
+	 *
+	 * @static
+	 * @param string $string Windows-1252 encoded string
+	 * @return string UTF-8 encoded string
+	 */
+	public static function windows_1252_to_utf8($string)
+	{
+		static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF");
+
+		return strtr($string, $convert_table);
+	}
+
+	/**
+	 * Change a string from one encoding to another
+	 *
+	 * @param string $data Raw data in $input encoding
+	 * @param string $input Encoding of $data
+	 * @param string $output Encoding you want
+	 * @return string|boolean False if we can't convert it
+	 */
+	public static function change_encoding($data, $input, $output)
+	{
+		$input = SimplePie_Misc::encoding($input);
+		$output = SimplePie_Misc::encoding($output);
+
+		// We fail to fail on non US-ASCII bytes
+		if ($input === 'US-ASCII')
+		{
+			static $non_ascii_octects = '';
+			if (!$non_ascii_octects)
+			{
+				for ($i = 0x80; $i <= 0xFF; $i++)
+				{
+					$non_ascii_octects .= chr($i);
+				}
+			}
+			$data = substr($data, 0, strcspn($data, $non_ascii_octects));
+		}
+
+		// This is first, as behaviour of this is completely predictable
+		if ($input === 'windows-1252' && $output === 'UTF-8')
+		{
+			return SimplePie_Misc::windows_1252_to_utf8($data);
+		}
+		// This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported).
+		elseif (function_exists('mb_convert_encoding') && ($return = SimplePie_Misc::change_encoding_mbstring($data, $input, $output)))
+		{
+			return $return;
+ 		}
+		// This is last, as behaviour of this varies with OS userland and PHP version
+		elseif (function_exists('iconv') && ($return = SimplePie_Misc::change_encoding_iconv($data, $input, $output)))
+		{
+			return $return;
+		}
+		// If we can't do anything, just fail
+		else
+		{
+			return false;
+		}
+	}
+
+	protected static function change_encoding_mbstring($data, $input, $output)
+	{
+		if ($input === 'windows-949')
+		{
+			$input = 'EUC-KR';
+		}
+		if ($output === 'windows-949')
+		{
+			$output = 'EUC-KR';
+		}
+		if ($input === 'Windows-31J')
+		{
+			$input = 'SJIS';
+		}
+		if ($output === 'Windows-31J')
+		{
+			$output = 'SJIS';
+		}
+
+		// Check that the encoding is supported
+		if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80")
+		{
+			return false;
+		}
+		if (!in_array($input, mb_list_encodings()))
+		{
+			return false;
+		}
+
+		// Let's do some conversion
+		if ($return = @mb_convert_encoding($data, $output, $input))
+		{
+			return $return;
+		}
+
+		return false;
+	}
+
+	protected static function change_encoding_iconv($data, $input, $output)
+	{
+		return @iconv($input, $output, $data);
+	}
+
+	/**
+	 * Normalize an encoding name
+	 *
+	 * This is automatically generated by create.php
+	 *
+	 * To generate it, run `php create.php` on the command line, and copy the
+	 * output to replace this function.
+	 *
+	 * @param string $charset Character set to standardise
+	 * @return string Standardised name
+	 */
+	public static function encoding($charset)
+	{
+		// Normalization from UTS #22
+		switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset)))
+		{
+			case 'adobestandardencoding':
+			case 'csadobestandardencoding':
+				return 'Adobe-Standard-Encoding';
+
+			case 'adobesymbolencoding':
+			case 'cshppsmath':
+				return 'Adobe-Symbol-Encoding';
+
+			case 'ami1251':
+			case 'amiga1251':
+				return 'Amiga-1251';
+
+			case 'ansix31101983':
+			case 'csat5001983':
+			case 'csiso99naplps':
+			case 'isoir99':
+			case 'naplps':
+				return 'ANSI_X3.110-1983';
+
+			case 'arabic7':
+			case 'asmo449':
+			case 'csiso89asmo449':
+			case 'iso9036':
+			case 'isoir89':
+				return 'ASMO_449';
+
+			case 'big5':
+			case 'csbig5':
+				return 'Big5';
+
+			case 'big5hkscs':
+				return 'Big5-HKSCS';
+
+			case 'bocu1':
+			case 'csbocu1':
+				return 'BOCU-1';
+
+			case 'brf':
+			case 'csbrf':
+				return 'BRF';
+
+			case 'bs4730':
+			case 'csiso4unitedkingdom':
+			case 'gb':
+			case 'iso646gb':
+			case 'isoir4':
+			case 'uk':
+				return 'BS_4730';
+
+			case 'bsviewdata':
+			case 'csiso47bsviewdata':
+			case 'isoir47':
+				return 'BS_viewdata';
+
+			case 'cesu8':
+			case 'cscesu8':
+				return 'CESU-8';
+
+			case 'ca':
+			case 'csa71':
+			case 'csaz243419851':
+			case 'csiso121canadian1':
+			case 'iso646ca':
+			case 'isoir121':
+				return 'CSA_Z243.4-1985-1';
+
+			case 'csa72':
+			case 'csaz243419852':
+			case 'csiso122canadian2':
+			case 'iso646ca2':
+			case 'isoir122':
+				return 'CSA_Z243.4-1985-2';
+
+			case 'csaz24341985gr':
+			case 'csiso123csaz24341985gr':
+			case 'isoir123':
+				return 'CSA_Z243.4-1985-gr';
+
+			case 'csiso139csn369103':
+			case 'csn369103':
+			case 'isoir139':
+				return 'CSN_369103';
+
+			case 'csdecmcs':
+			case 'dec':
+			case 'decmcs':
+				return 'DEC-MCS';
+
+			case 'csiso21german':
+			case 'de':
+			case 'din66003':
+			case 'iso646de':
+			case 'isoir21':
+				return 'DIN_66003';
+
+			case 'csdkus':
+			case 'dkus':
+				return 'dk-us';
+
+			case 'csiso646danish':
+			case 'dk':
+			case 'ds2089':
+			case 'iso646dk':
+				return 'DS_2089';
+
+			case 'csibmebcdicatde':
+			case 'ebcdicatde':
+				return 'EBCDIC-AT-DE';
+
+			case 'csebcdicatdea':
+			case 'ebcdicatdea':
+				return 'EBCDIC-AT-DE-A';
+
+			case 'csebcdiccafr':
+			case 'ebcdiccafr':
+				return 'EBCDIC-CA-FR';
+
+			case 'csebcdicdkno':
+			case 'ebcdicdkno':
+				return 'EBCDIC-DK-NO';
+
+			case 'csebcdicdknoa':
+			case 'ebcdicdknoa':
+				return 'EBCDIC-DK-NO-A';
+
+			case 'csebcdices':
+			case 'ebcdices':
+				return 'EBCDIC-ES';
+
+			case 'csebcdicesa':
+			case 'ebcdicesa':
+				return 'EBCDIC-ES-A';
+
+			case 'csebcdicess':
+			case 'ebcdicess':
+				return 'EBCDIC-ES-S';
+
+			case 'csebcdicfise':
+			case 'ebcdicfise':
+				return 'EBCDIC-FI-SE';
+
+			case 'csebcdicfisea':
+			case 'ebcdicfisea':
+				return 'EBCDIC-FI-SE-A';
+
+			case 'csebcdicfr':
+			case 'ebcdicfr':
+				return 'EBCDIC-FR';
+
+			case 'csebcdicit':
+			case 'ebcdicit':
+				return 'EBCDIC-IT';
+
+			case 'csebcdicpt':
+			case 'ebcdicpt':
+				return 'EBCDIC-PT';
+
+			case 'csebcdicuk':
+			case 'ebcdicuk':
+				return 'EBCDIC-UK';
+
+			case 'csebcdicus':
+			case 'ebcdicus':
+				return 'EBCDIC-US';
+
+			case 'csiso111ecmacyrillic':
+			case 'ecmacyrillic':
+			case 'isoir111':
+			case 'koi8e':
+				return 'ECMA-cyrillic';
+
+			case 'csiso17spanish':
+			case 'es':
+			case 'iso646es':
+			case 'isoir17':
+				return 'ES';
+
+			case 'csiso85spanish2':
+			case 'es2':
+			case 'iso646es2':
+			case 'isoir85':
+				return 'ES2';
+
+			case 'cseucpkdfmtjapanese':
+			case 'eucjp':
+			case 'extendedunixcodepackedformatforjapanese':
+				return 'EUC-JP';
+
+			case 'cseucfixwidjapanese':
+			case 'extendedunixcodefixedwidthforjapanese':
+				return 'Extended_UNIX_Code_Fixed_Width_for_Japanese';
+
+			case 'gb18030':
+				return 'GB18030';
+
+			case 'chinese':
+			case 'cp936':
+			case 'csgb2312':
+			case 'csiso58gb231280':
+			case 'gb2312':
+			case 'gb231280':
+			case 'gbk':
+			case 'isoir58':
+			case 'ms936':
+			case 'windows936':
+				return 'GBK';
+
+			case 'cn':
+			case 'csiso57gb1988':
+			case 'gb198880':
+			case 'iso646cn':
+			case 'isoir57':
+				return 'GB_1988-80';
+
+			case 'csiso153gost1976874':
+			case 'gost1976874':
+			case 'isoir153':
+			case 'stsev35888':
+				return 'GOST_19768-74';
+
+			case 'csiso150':
+			case 'csiso150greekccitt':
+			case 'greekccitt':
+			case 'isoir150':
+				return 'greek-ccitt';
+
+			case 'csiso88greek7':
+			case 'greek7':
+			case 'isoir88':
+				return 'greek7';
+
+			case 'csiso18greek7old':
+			case 'greek7old':
+			case 'isoir18':
+				return 'greek7-old';
+
+			case 'cshpdesktop':
+			case 'hpdesktop':
+				return 'HP-DeskTop';
+
+			case 'cshplegal':
+			case 'hplegal':
+				return 'HP-Legal';
+
+			case 'cshpmath8':
+			case 'hpmath8':
+				return 'HP-Math8';
+
+			case 'cshppifont':
+			case 'hppifont':
+				return 'HP-Pi-font';
+
+			case 'cshproman8':
+			case 'hproman8':
+			case 'r8':
+			case 'roman8':
+				return 'hp-roman8';
+
+			case 'hzgb2312':
+				return 'HZ-GB-2312';
+
+			case 'csibmsymbols':
+			case 'ibmsymbols':
+				return 'IBM-Symbols';
+
+			case 'csibmthai':
+			case 'ibmthai':
+				return 'IBM-Thai';
+
+			case 'cp37':
+			case 'csibm37':
+			case 'ebcdiccpca':
+			case 'ebcdiccpnl':
+			case 'ebcdiccpus':
+			case 'ebcdiccpwt':
+			case 'ibm37':
+				return 'IBM037';
+
+			case 'cp38':
+			case 'csibm38':
+			case 'ebcdicint':
+			case 'ibm38':
+				return 'IBM038';
+
+			case 'cp273':
+			case 'csibm273':
+			case 'ibm273':
+				return 'IBM273';
+
+			case 'cp274':
+			case 'csibm274':
+			case 'ebcdicbe':
+			case 'ibm274':
+				return 'IBM274';
+
+			case 'cp275':
+			case 'csibm275':
+			case 'ebcdicbr':
+			case 'ibm275':
+				return 'IBM275';
+
+			case 'csibm277':
+			case 'ebcdiccpdk':
+			case 'ebcdiccpno':
+			case 'ibm277':
+				return 'IBM277';
+
+			case 'cp278':
+			case 'csibm278':
+			case 'ebcdiccpfi':
+			case 'ebcdiccpse':
+			case 'ibm278':
+				return 'IBM278';
+
+			case 'cp280':
+			case 'csibm280':
+			case 'ebcdiccpit':
+			case 'ibm280':
+				return 'IBM280';
+
+			case 'cp281':
+			case 'csibm281':
+			case 'ebcdicjpe':
+			case 'ibm281':
+				return 'IBM281';
+
+			case 'cp284':
+			case 'csibm284':
+			case 'ebcdiccpes':
+			case 'ibm284':
+				return 'IBM284';
+
+			case 'cp285':
+			case 'csibm285':
+			case 'ebcdiccpgb':
+			case 'ibm285':
+				return 'IBM285';
+
+			case 'cp290':
+			case 'csibm290':
+			case 'ebcdicjpkana':
+			case 'ibm290':
+				return 'IBM290';
+
+			case 'cp297':
+			case 'csibm297':
+			case 'ebcdiccpfr':
+			case 'ibm297':
+				return 'IBM297';
+
+			case 'cp420':
+			case 'csibm420':
+			case 'ebcdiccpar1':
+			case 'ibm420':
+				return 'IBM420';
+
+			case 'cp423':
+			case 'csibm423':
+			case 'ebcdiccpgr':
+			case 'ibm423':
+				return 'IBM423';
+
+			case 'cp424':
+			case 'csibm424':
+			case 'ebcdiccphe':
+			case 'ibm424':
+				return 'IBM424';
+
+			case '437':
+			case 'cp437':
+			case 'cspc8codepage437':
+			case 'ibm437':
+				return 'IBM437';
+
+			case 'cp500':
+			case 'csibm500':
+			case 'ebcdiccpbe':
+			case 'ebcdiccpch':
+			case 'ibm500':
+				return 'IBM500';
+
+			case 'cp775':
+			case 'cspc775baltic':
+			case 'ibm775':
+				return 'IBM775';
+
+			case '850':
+			case 'cp850':
+			case 'cspc850multilingual':
+			case 'ibm850':
+				return 'IBM850';
+
+			case '851':
+			case 'cp851':
+			case 'csibm851':
+			case 'ibm851':
+				return 'IBM851';
+
+			case '852':
+			case 'cp852':
+			case 'cspcp852':
+			case 'ibm852':
+				return 'IBM852';
+
+			case '855':
+			case 'cp855':
+			case 'csibm855':
+			case 'ibm855':
+				return 'IBM855';
+
+			case '857':
+			case 'cp857':
+			case 'csibm857':
+			case 'ibm857':
+				return 'IBM857';
+
+			case 'ccsid858':
+			case 'cp858':
+			case 'ibm858':
+			case 'pcmultilingual850euro':
+				return 'IBM00858';
+
+			case '860':
+			case 'cp860':
+			case 'csibm860':
+			case 'ibm860':
+				return 'IBM860';
+
+			case '861':
+			case 'cp861':
+			case 'cpis':
+			case 'csibm861':
+			case 'ibm861':
+				return 'IBM861';
+
+			case '862':
+			case 'cp862':
+			case 'cspc862latinhebrew':
+			case 'ibm862':
+				return 'IBM862';
+
+			case '863':
+			case 'cp863':
+			case 'csibm863':
+			case 'ibm863':
+				return 'IBM863';
+
+			case 'cp864':
+			case 'csibm864':
+			case 'ibm864':
+				return 'IBM864';
+
+			case '865':
+			case 'cp865':
+			case 'csibm865':
+			case 'ibm865':
+				return 'IBM865';
+
+			case '866':
+			case 'cp866':
+			case 'csibm866':
+			case 'ibm866':
+				return 'IBM866';
+
+			case 'cp868':
+			case 'cpar':
+			case 'csibm868':
+			case 'ibm868':
+				return 'IBM868';
+
+			case '869':
+			case 'cp869':
+			case 'cpgr':
+			case 'csibm869':
+			case 'ibm869':
+				return 'IBM869';
+
+			case 'cp870':
+			case 'csibm870':
+			case 'ebcdiccproece':
+			case 'ebcdiccpyu':
+			case 'ibm870':
+				return 'IBM870';
+
+			case 'cp871':
+			case 'csibm871':
+			case 'ebcdiccpis':
+			case 'ibm871':
+				return 'IBM871';
+
+			case 'cp880':
+			case 'csibm880':
+			case 'ebcdiccyrillic':
+			case 'ibm880':
+				return 'IBM880';
+
+			case 'cp891':
+			case 'csibm891':
+			case 'ibm891':
+				return 'IBM891';
+
+			case 'cp903':
+			case 'csibm903':
+			case 'ibm903':
+				return 'IBM903';
+
+			case '904':
+			case 'cp904':
+			case 'csibbm904':
+			case 'ibm904':
+				return 'IBM904';
+
+			case 'cp905':
+			case 'csibm905':
+			case 'ebcdiccptr':
+			case 'ibm905':
+				return 'IBM905';
+
+			case 'cp918':
+			case 'csibm918':
+			case 'ebcdiccpar2':
+			case 'ibm918':
+				return 'IBM918';
+
+			case 'ccsid924':
+			case 'cp924':
+			case 'ebcdiclatin9euro':
+			case 'ibm924':
+				return 'IBM00924';
+
+			case 'cp1026':
+			case 'csibm1026':
+			case 'ibm1026':
+				return 'IBM1026';
+
+			case 'ibm1047':
+				return 'IBM1047';
+
+			case 'ccsid1140':
+			case 'cp1140':
+			case 'ebcdicus37euro':
+			case 'ibm1140':
+				return 'IBM01140';
+
+			case 'ccsid1141':
+			case 'cp1141':
+			case 'ebcdicde273euro':
+			case 'ibm1141':
+				return 'IBM01141';
+
+			case 'ccsid1142':
+			case 'cp1142':
+			case 'ebcdicdk277euro':
+			case 'ebcdicno277euro':
+			case 'ibm1142':
+				return 'IBM01142';
+
+			case 'ccsid1143':
+			case 'cp1143':
+			case 'ebcdicfi278euro':
+			case 'ebcdicse278euro':
+			case 'ibm1143':
+				return 'IBM01143';
+
+			case 'ccsid1144':
+			case 'cp1144':
+			case 'ebcdicit280euro':
+			case 'ibm1144':
+				return 'IBM01144';
+
+			case 'ccsid1145':
+			case 'cp1145':
+			case 'ebcdices284euro':
+			case 'ibm1145':
+				return 'IBM01145';
+
+			case 'ccsid1146':
+			case 'cp1146':
+			case 'ebcdicgb285euro':
+			case 'ibm1146':
+				return 'IBM01146';
+
+			case 'ccsid1147':
+			case 'cp1147':
+			case 'ebcdicfr297euro':
+			case 'ibm1147':
+				return 'IBM01147';
+
+			case 'ccsid1148':
+			case 'cp1148':
+			case 'ebcdicinternational500euro':
+			case 'ibm1148':
+				return 'IBM01148';
+
+			case 'ccsid1149':
+			case 'cp1149':
+			case 'ebcdicis871euro':
+			case 'ibm1149':
+				return 'IBM01149';
+
+			case 'csiso143iecp271':
+			case 'iecp271':
+			case 'isoir143':
+				return 'IEC_P27-1';
+
+			case 'csiso49inis':
+			case 'inis':
+			case 'isoir49':
+				return 'INIS';
+
+			case 'csiso50inis8':
+			case 'inis8':
+			case 'isoir50':
+				return 'INIS-8';
+
+			case 'csiso51iniscyrillic':
+			case 'iniscyrillic':
+			case 'isoir51':
+				return 'INIS-cyrillic';
+
+			case 'csinvariant':
+			case 'invariant':
+				return 'INVARIANT';
+
+			case 'iso2022cn':
+				return 'ISO-2022-CN';
+
+			case 'iso2022cnext':
+				return 'ISO-2022-CN-EXT';
+
+			case 'csiso2022jp':
+			case 'iso2022jp':
+				return 'ISO-2022-JP';
+
+			case 'csiso2022jp2':
+			case 'iso2022jp2':
+				return 'ISO-2022-JP-2';
+
+			case 'csiso2022kr':
+			case 'iso2022kr':
+				return 'ISO-2022-KR';
+
+			case 'cswindows30latin1':
+			case 'iso88591windows30latin1':
+				return 'ISO-8859-1-Windows-3.0-Latin-1';
+
+			case 'cswindows31latin1':
+			case 'iso88591windows31latin1':
+				return 'ISO-8859-1-Windows-3.1-Latin-1';
+
+			case 'csisolatin2':
+			case 'iso88592':
+			case 'iso885921987':
+			case 'isoir101':
+			case 'l2':
+			case 'latin2':
+				return 'ISO-8859-2';
+
+			case 'cswindows31latin2':
+			case 'iso88592windowslatin2':
+				return 'ISO-8859-2-Windows-Latin-2';
+
+			case 'csisolatin3':
+			case 'iso88593':
+			case 'iso885931988':
+			case 'isoir109':
+			case 'l3':
+			case 'latin3':
+				return 'ISO-8859-3';
+
+			case 'csisolatin4':
+			case 'iso88594':
+			case 'iso885941988':
+			case 'isoir110':
+			case 'l4':
+			case 'latin4':
+				return 'ISO-8859-4';
+
+			case 'csisolatincyrillic':
+			case 'cyrillic':
+			case 'iso88595':
+			case 'iso885951988':
+			case 'isoir144':
+				return 'ISO-8859-5';
+
+			case 'arabic':
+			case 'asmo708':
+			case 'csisolatinarabic':
+			case 'ecma114':
+			case 'iso88596':
+			case 'iso885961987':
+			case 'isoir127':
+				return 'ISO-8859-6';
+
+			case 'csiso88596e':
+			case 'iso88596e':
+				return 'ISO-8859-6-E';
+
+			case 'csiso88596i':
+			case 'iso88596i':
+				return 'ISO-8859-6-I';
+
+			case 'csisolatingreek':
+			case 'ecma118':
+			case 'elot928':
+			case 'greek':
+			case 'greek8':
+			case 'iso88597':
+			case 'iso885971987':
+			case 'isoir126':
+				return 'ISO-8859-7';
+
+			case 'csisolatinhebrew':
+			case 'hebrew':
+			case 'iso88598':
+			case 'iso885981988':
+			case 'isoir138':
+				return 'ISO-8859-8';
+
+			case 'csiso88598e':
+			case 'iso88598e':
+				return 'ISO-8859-8-E';
+
+			case 'csiso88598i':
+			case 'iso88598i':
+				return 'ISO-8859-8-I';
+
+			case 'cswindows31latin5':
+			case 'iso88599windowslatin5':
+				return 'ISO-8859-9-Windows-Latin-5';
+
+			case 'csisolatin6':
+			case 'iso885910':
+			case 'iso8859101992':
+			case 'isoir157':
+			case 'l6':
+			case 'latin6':
+				return 'ISO-8859-10';
+
+			case 'iso885913':
+				return 'ISO-8859-13';
+
+			case 'iso885914':
+			case 'iso8859141998':
+			case 'isoceltic':
+			case 'isoir199':
+			case 'l8':
+			case 'latin8':
+				return 'ISO-8859-14';
+
+			case 'iso885915':
+			case 'latin9':
+				return 'ISO-8859-15';
+
+			case 'iso885916':
+			case 'iso8859162001':
+			case 'isoir226':
+			case 'l10':
+			case 'latin10':
+				return 'ISO-8859-16';
+
+			case 'iso10646j1':
+				return 'ISO-10646-J-1';
+
+			case 'csunicode':
+			case 'iso10646ucs2':
+				return 'ISO-10646-UCS-2';
+
+			case 'csucs4':
+			case 'iso10646ucs4':
+				return 'ISO-10646-UCS-4';
+
+			case 'csunicodeascii':
+			case 'iso10646ucsbasic':
+				return 'ISO-10646-UCS-Basic';
+
+			case 'csunicodelatin1':
+			case 'iso10646':
+			case 'iso10646unicodelatin1':
+				return 'ISO-10646-Unicode-Latin1';
+
+			case 'csiso10646utf1':
+			case 'iso10646utf1':
+				return 'ISO-10646-UTF-1';
+
+			case 'csiso115481':
+			case 'iso115481':
+			case 'isotr115481':
+				return 'ISO-11548-1';
+
+			case 'csiso90':
+			case 'isoir90':
+				return 'iso-ir-90';
+
+			case 'csunicodeibm1261':
+			case 'isounicodeibm1261':
+				return 'ISO-Unicode-IBM-1261';
+
+			case 'csunicodeibm1264':
+			case 'isounicodeibm1264':
+				return 'ISO-Unicode-IBM-1264';
+
+			case 'csunicodeibm1265':
+			case 'isounicodeibm1265':
+				return 'ISO-Unicode-IBM-1265';
+
+			case 'csunicodeibm1268':
+			case 'isounicodeibm1268':
+				return 'ISO-Unicode-IBM-1268';
+
+			case 'csunicodeibm1276':
+			case 'isounicodeibm1276':
+				return 'ISO-Unicode-IBM-1276';
+
+			case 'csiso646basic1983':
+			case 'iso646basic1983':
+			case 'ref':
+				return 'ISO_646.basic:1983';
+
+			case 'csiso2intlrefversion':
+			case 'irv':
+			case 'iso646irv1983':
+			case 'isoir2':
+				return 'ISO_646.irv:1983';
+
+			case 'csiso2033':
+			case 'e13b':
+			case 'iso20331983':
+			case 'isoir98':
+				return 'ISO_2033-1983';
+
+			case 'csiso5427cyrillic':
+			case 'iso5427':
+			case 'isoir37':
+				return 'ISO_5427';
+
+			case 'iso5427cyrillic1981':
+			case 'iso54271981':
+			case 'isoir54':
+				return 'ISO_5427:1981';
+
+			case 'csiso5428greek':
+			case 'iso54281980':
+			case 'isoir55':
+				return 'ISO_5428:1980';
+
+			case 'csiso6937add':
+			case 'iso6937225':
+			case 'isoir152':
+				return 'ISO_6937-2-25';
+
+			case 'csisotextcomm':
+			case 'iso69372add':
+			case 'isoir142':
+				return 'ISO_6937-2-add';
+
+			case 'csiso8859supp':
+			case 'iso8859supp':
+			case 'isoir154':
+			case 'latin125':
+				return 'ISO_8859-supp';
+
+			case 'csiso10367box':
+			case 'iso10367box':
+			case 'isoir155':
+				return 'ISO_10367-box';
+
+			case 'csiso15italian':
+			case 'iso646it':
+			case 'isoir15':
+			case 'it':
+				return 'IT';
+
+			case 'csiso13jisc6220jp':
+			case 'isoir13':
+			case 'jisc62201969':
+			case 'jisc62201969jp':
+			case 'katakana':
+			case 'x2017':
+				return 'JIS_C6220-1969-jp';
+
+			case 'csiso14jisc6220ro':
+			case 'iso646jp':
+			case 'isoir14':
+			case 'jisc62201969ro':
+			case 'jp':
+				return 'JIS_C6220-1969-ro';
+
+			case 'csiso42jisc62261978':
+			case 'isoir42':
+			case 'jisc62261978':
+				return 'JIS_C6226-1978';
+
+			case 'csiso87jisx208':
+			case 'isoir87':
+			case 'jisc62261983':
+			case 'jisx2081983':
+			case 'x208':
+				return 'JIS_C6226-1983';
+
+			case 'csiso91jisc62291984a':
+			case 'isoir91':
+			case 'jisc62291984a':
+			case 'jpocra':
+				return 'JIS_C6229-1984-a';
+
+			case 'csiso92jisc62991984b':
+			case 'iso646jpocrb':
+			case 'isoir92':
+			case 'jisc62291984b':
+			case 'jpocrb':
+				return 'JIS_C6229-1984-b';
+
+			case 'csiso93jis62291984badd':
+			case 'isoir93':
+			case 'jisc62291984badd':
+			case 'jpocrbadd':
+				return 'JIS_C6229-1984-b-add';
+
+			case 'csiso94jis62291984hand':
+			case 'isoir94':
+			case 'jisc62291984hand':
+			case 'jpocrhand':
+				return 'JIS_C6229-1984-hand';
+
+			case 'csiso95jis62291984handadd':
+			case 'isoir95':
+			case 'jisc62291984handadd':
+			case 'jpocrhandadd':
+				return 'JIS_C6229-1984-hand-add';
+
+			case 'csiso96jisc62291984kana':
+			case 'isoir96':
+			case 'jisc62291984kana':
+				return 'JIS_C6229-1984-kana';
+
+			case 'csjisencoding':
+			case 'jisencoding':
+				return 'JIS_Encoding';
+
+			case 'cshalfwidthkatakana':
+			case 'jisx201':
+			case 'x201':
+				return 'JIS_X0201';
+
+			case 'csiso159jisx2121990':
+			case 'isoir159':
+			case 'jisx2121990':
+			case 'x212':
+				return 'JIS_X0212-1990';
+
+			case 'csiso141jusib1002':
+			case 'iso646yu':
+			case 'isoir141':
+			case 'js':
+			case 'jusib1002':
+			case 'yu':
+				return 'JUS_I.B1.002';
+
+			case 'csiso147macedonian':
+			case 'isoir147':
+			case 'jusib1003mac':
+			case 'macedonian':
+				return 'JUS_I.B1.003-mac';
+
+			case 'csiso146serbian':
+			case 'isoir146':
+			case 'jusib1003serb':
+			case 'serbian':
+				return 'JUS_I.B1.003-serb';
+
+			case 'koi7switched':
+				return 'KOI7-switched';
+
+			case 'cskoi8r':
+			case 'koi8r':
+				return 'KOI8-R';
+
+			case 'koi8u':
+				return 'KOI8-U';
+
+			case 'csksc5636':
+			case 'iso646kr':
+			case 'ksc5636':
+				return 'KSC5636';
+
+			case 'cskz1048':
+			case 'kz1048':
+			case 'rk1048':
+			case 'strk10482002':
+				return 'KZ-1048';
+
+			case 'csiso19latingreek':
+			case 'isoir19':
+			case 'latingreek':
+				return 'latin-greek';
+
+			case 'csiso27latingreek1':
+			case 'isoir27':
+			case 'latingreek1':
+				return 'Latin-greek-1';
+
+			case 'csiso158lap':
+			case 'isoir158':
+			case 'lap':
+			case 'latinlap':
+				return 'latin-lap';
+
+			case 'csmacintosh':
+			case 'mac':
+			case 'macintosh':
+				return 'macintosh';
+
+			case 'csmicrosoftpublishing':
+			case 'microsoftpublishing':
+				return 'Microsoft-Publishing';
+
+			case 'csmnem':
+			case 'mnem':
+				return 'MNEM';
+
+			case 'csmnemonic':
+			case 'mnemonic':
+				return 'MNEMONIC';
+
+			case 'csiso86hungarian':
+			case 'hu':
+			case 'iso646hu':
+			case 'isoir86':
+			case 'msz77953':
+				return 'MSZ_7795.3';
+
+			case 'csnatsdano':
+			case 'isoir91':
+			case 'natsdano':
+				return 'NATS-DANO';
+
+			case 'csnatsdanoadd':
+			case 'isoir92':
+			case 'natsdanoadd':
+				return 'NATS-DANO-ADD';
+
+			case 'csnatssefi':
+			case 'isoir81':
+			case 'natssefi':
+				return 'NATS-SEFI';
+
+			case 'csnatssefiadd':
+			case 'isoir82':
+			case 'natssefiadd':
+				return 'NATS-SEFI-ADD';
+
+			case 'csiso151cuba':
+			case 'cuba':
+			case 'iso646cu':
+			case 'isoir151':
+			case 'ncnc1081':
+				return 'NC_NC00-10:81';
+
+			case 'csiso69french':
+			case 'fr':
+			case 'iso646fr':
+			case 'isoir69':
+			case 'nfz62010':
+				return 'NF_Z_62-010';
+
+			case 'csiso25french':
+			case 'iso646fr1':
+			case 'isoir25':
+			case 'nfz620101973':
+				return 'NF_Z_62-010_(1973)';
+
+			case 'csiso60danishnorwegian':
+			case 'csiso60norwegian1':
+			case 'iso646no':
+			case 'isoir60':
+			case 'no':
+			case 'ns45511':
+				return 'NS_4551-1';
+
+			case 'csiso61norwegian2':
+			case 'iso646no2':
+			case 'isoir61':
+			case 'no2':
+			case 'ns45512':
+				return 'NS_4551-2';
+
+			case 'osdebcdicdf3irv':
+				return 'OSD_EBCDIC_DF03_IRV';
+
+			case 'osdebcdicdf41':
+				return 'OSD_EBCDIC_DF04_1';
+
+			case 'osdebcdicdf415':
+				return 'OSD_EBCDIC_DF04_15';
+
+			case 'cspc8danishnorwegian':
+			case 'pc8danishnorwegian':
+				return 'PC8-Danish-Norwegian';
+
+			case 'cspc8turkish':
+			case 'pc8turkish':
+				return 'PC8-Turkish';
+
+			case 'csiso16portuguese':
+			case 'iso646pt':
+			case 'isoir16':
+			case 'pt':
+				return 'PT';
+
+			case 'csiso84portuguese2':
+			case 'iso646pt2':
+			case 'isoir84':
+			case 'pt2':
+				return 'PT2';
+
+			case 'cp154':
+			case 'csptcp154':
+			case 'cyrillicasian':
+			case 'pt154':
+			case 'ptcp154':
+				return 'PTCP154';
+
+			case 'scsu':
+				return 'SCSU';
+
+			case 'csiso10swedish':
+			case 'fi':
+			case 'iso646fi':
+			case 'iso646se':
+			case 'isoir10':
+			case 'se':
+			case 'sen850200b':
+				return 'SEN_850200_B';
+
+			case 'csiso11swedishfornames':
+			case 'iso646se2':
+			case 'isoir11':
+			case 'se2':
+			case 'sen850200c':
+				return 'SEN_850200_C';
+
+			case 'csiso102t617bit':
+			case 'isoir102':
+			case 't617bit':
+				return 'T.61-7bit';
+
+			case 'csiso103t618bit':
+			case 'isoir103':
+			case 't61':
+			case 't618bit':
+				return 'T.61-8bit';
+
+			case 'csiso128t101g2':
+			case 'isoir128':
+			case 't101g2':
+				return 'T.101-G2';
+
+			case 'cstscii':
+			case 'tscii':
+				return 'TSCII';
+
+			case 'csunicode11':
+			case 'unicode11':
+				return 'UNICODE-1-1';
+
+			case 'csunicode11utf7':
+			case 'unicode11utf7':
+				return 'UNICODE-1-1-UTF-7';
+
+			case 'csunknown8bit':
+			case 'unknown8bit':
+				return 'UNKNOWN-8BIT';
+
+			case 'ansix341968':
+			case 'ansix341986':
+			case 'ascii':
+			case 'cp367':
+			case 'csascii':
+			case 'ibm367':
+			case 'iso646irv1991':
+			case 'iso646us':
+			case 'isoir6':
+			case 'us':
+			case 'usascii':
+				return 'US-ASCII';
+
+			case 'csusdk':
+			case 'usdk':
+				return 'us-dk';
+
+			case 'utf7':
+				return 'UTF-7';
+
+			case 'utf8':
+				return 'UTF-8';
+
+			case 'utf16':
+				return 'UTF-16';
+
+			case 'utf16be':
+				return 'UTF-16BE';
+
+			case 'utf16le':
+				return 'UTF-16LE';
+
+			case 'utf32':
+				return 'UTF-32';
+
+			case 'utf32be':
+				return 'UTF-32BE';
+
+			case 'utf32le':
+				return 'UTF-32LE';
+
+			case 'csventurainternational':
+			case 'venturainternational':
+				return 'Ventura-International';
+
+			case 'csventuramath':
+			case 'venturamath':
+				return 'Ventura-Math';
+
+			case 'csventuraus':
+			case 'venturaus':
+				return 'Ventura-US';
+
+			case 'csiso70videotexsupp1':
+			case 'isoir70':
+			case 'videotexsuppl':
+				return 'videotex-suppl';
+
+			case 'csviqr':
+			case 'viqr':
+				return 'VIQR';
+
+			case 'csviscii':
+			case 'viscii':
+				return 'VISCII';
+
+			case 'csshiftjis':
+			case 'cswindows31j':
+			case 'mskanji':
+			case 'shiftjis':
+			case 'windows31j':
+				return 'Windows-31J';
+
+			case 'iso885911':
+			case 'tis620':
+				return 'windows-874';
+
+			case 'cseuckr':
+			case 'csksc56011987':
+			case 'euckr':
+			case 'isoir149':
+			case 'korean':
+			case 'ksc5601':
+			case 'ksc56011987':
+			case 'ksc56011989':
+			case 'windows949':
+				return 'windows-949';
+
+			case 'windows1250':
+				return 'windows-1250';
+
+			case 'windows1251':
+				return 'windows-1251';
+
+			case 'cp819':
+			case 'csisolatin1':
+			case 'ibm819':
+			case 'iso88591':
+			case 'iso885911987':
+			case 'isoir100':
+			case 'l1':
+			case 'latin1':
+			case 'windows1252':
+				return 'windows-1252';
+
+			case 'windows1253':
+				return 'windows-1253';
+
+			case 'csisolatin5':
+			case 'iso88599':
+			case 'iso885991989':
+			case 'isoir148':
+			case 'l5':
+			case 'latin5':
+			case 'windows1254':
+				return 'windows-1254';
+
+			case 'windows1255':
+				return 'windows-1255';
+
+			case 'windows1256':
+				return 'windows-1256';
+
+			case 'windows1257':
+				return 'windows-1257';
+
+			case 'windows1258':
+				return 'windows-1258';
+
+			default:
+				return $charset;
+		}
+	}
+
+	public static function get_curl_version()
+	{
+		if (is_array($curl = curl_version()))
+		{
+			$curl = $curl['version'];
+		}
+		elseif (substr($curl, 0, 5) === 'curl/')
+		{
+			$curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5));
+		}
+		elseif (substr($curl, 0, 8) === 'libcurl/')
+		{
+			$curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8));
+		}
+		else
+		{
+			$curl = 0;
+		}
+		return $curl;
+	}
+
+	/**
+	 * Strip HTML comments
+	 *
+	 * @param string $data Data to strip comments from
+	 * @return string Comment stripped string
+	 */
+	public static function strip_comments($data)
+	{
+		$output = '';
+		while (($start = strpos($data, '<!--')) !== false)
+		{
+			$output .= substr($data, 0, $start);
+			if (($end = strpos($data, '-->', $start)) !== false)
+			{
+				$data = substr_replace($data, '', 0, $end + 3);
+			}
+			else
+			{
+				$data = '';
+			}
+		}
+		return $output . $data;
+	}
+
+	public static function parse_date($dt)
+	{
+		$parser = SimplePie_Parse_Date::get();
+		return $parser->parse($dt);
+	}
+
+	/**
+	 * Decode HTML entities
+	 *
+	 * @deprecated Use DOMDocument instead
+	 * @param string $data Input data
+	 * @return string Output data
+	 */
+	public static function entities_decode($data)
+	{
+		$decoder = new SimplePie_Decode_HTML_Entities($data);
+		return $decoder->parse();
+	}
+
+	/**
+	 * Remove RFC822 comments
+	 *
+	 * @param string $data Data to strip comments from
+	 * @return string Comment stripped string
+	 */
+	public static function uncomment_rfc822($string)
+	{
+		$string = (string) $string;
+		$position = 0;
+		$length = strlen($string);
+		$depth = 0;
+
+		$output = '';
+
+		while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
+		{
+			$output .= substr($string, $position, $pos - $position);
+			$position = $pos + 1;
+			if ($string[$pos - 1] !== '\\')
+			{
+				$depth++;
+				while ($depth && $position < $length)
+				{
+					$position += strcspn($string, '()', $position);
+					if ($string[$position - 1] === '\\')
+					{
+						$position++;
+						continue;
+					}
+					elseif (isset($string[$position]))
+					{
+						switch ($string[$position])
+						{
+							case '(':
+								$depth++;
+								break;
+
+							case ')':
+								$depth--;
+								break;
+						}
+						$position++;
+					}
+					else
+					{
+						break;
+					}
+				}
+			}
+			else
+			{
+				$output .= '(';
+			}
+		}
+		$output .= substr($string, $position);
+
+		return $output;
+	}
+
+	public static function parse_mime($mime)
+	{
+		if (($pos = strpos($mime, ';')) === false)
+		{
+			return trim($mime);
+		}
+		else
+		{
+			return trim(substr($mime, 0, $pos));
+		}
+	}
+
+	public static function atom_03_construct_type($attribs)
+	{
+		if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64'))
+		{
+			$mode = SIMPLEPIE_CONSTRUCT_BASE64;
+		}
+		else
+		{
+			$mode = SIMPLEPIE_CONSTRUCT_NONE;
+		}
+		if (isset($attribs['']['type']))
+		{
+			switch (strtolower(trim($attribs['']['type'])))
+			{
+				case 'text':
+				case 'text/plain':
+					return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
+
+				case 'html':
+				case 'text/html':
+					return SIMPLEPIE_CONSTRUCT_HTML | $mode;
+
+				case 'xhtml':
+				case 'application/xhtml+xml':
+					return SIMPLEPIE_CONSTRUCT_XHTML | $mode;
+
+				default:
+					return SIMPLEPIE_CONSTRUCT_NONE | $mode;
+			}
+		}
+		else
+		{
+			return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
+		}
+	}
+
+	public static function atom_10_construct_type($attribs)
+	{
+		if (isset($attribs['']['type']))
+		{
+			switch (strtolower(trim($attribs['']['type'])))
+			{
+				case 'text':
+					return SIMPLEPIE_CONSTRUCT_TEXT;
+
+				case 'html':
+					return SIMPLEPIE_CONSTRUCT_HTML;
+
+				case 'xhtml':
+					return SIMPLEPIE_CONSTRUCT_XHTML;
+
+				default:
+					return SIMPLEPIE_CONSTRUCT_NONE;
+			}
+		}
+		return SIMPLEPIE_CONSTRUCT_TEXT;
+	}
+
+	public static function atom_10_content_construct_type($attribs)
+	{
+		if (isset($attribs['']['type']))
+		{
+			$type = strtolower(trim($attribs['']['type']));
+			switch ($type)
+			{
+				case 'text':
+					return SIMPLEPIE_CONSTRUCT_TEXT;
+
+				case 'html':
+					return SIMPLEPIE_CONSTRUCT_HTML;
+
+				case 'xhtml':
+					return SIMPLEPIE_CONSTRUCT_XHTML;
+			}
+			if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/')
+			{
+				return SIMPLEPIE_CONSTRUCT_NONE;
+			}
+			else
+			{
+				return SIMPLEPIE_CONSTRUCT_BASE64;
+			}
+		}
+		else
+		{
+			return SIMPLEPIE_CONSTRUCT_TEXT;
+		}
+	}
+
+	public static function is_isegment_nz_nc($string)
+	{
+		return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
+	}
+
+	public static function space_seperated_tokens($string)
+	{
+		$space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
+		$string_length = strlen($string);
+
+		$position = strspn($string, $space_characters);
+		$tokens = array();
+
+		while ($position < $string_length)
+		{
+			$len = strcspn($string, $space_characters, $position);
+			$tokens[] = substr($string, $position, $len);
+			$position += $len;
+			$position += strspn($string, $space_characters, $position);
+		}
+
+		return $tokens;
+	}
+
+	/**
+	 * Converts a unicode codepoint to a UTF-8 character
+	 *
+	 * @static
+	 * @param int $codepoint Unicode codepoint
+	 * @return string UTF-8 character
+	 */
+	public static function codepoint_to_utf8($codepoint)
+	{
+		$codepoint = (int) $codepoint;
+		if ($codepoint < 0)
+		{
+			return false;
+		}
+		else if ($codepoint <= 0x7f)
+		{
+			return chr($codepoint);
+		}
+		else if ($codepoint <= 0x7ff)
+		{
+			return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f));
+		}
+		else if ($codepoint <= 0xffff)
+		{
+			return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
+		}
+		else if ($codepoint <= 0x10ffff)
+		{
+			return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
+		}
+		else
+		{
+			// U+FFFD REPLACEMENT CHARACTER
+			return "\xEF\xBF\xBD";
+		}
+	}
+
+	/**
+	 * Similar to parse_str()
+	 *
+	 * Returns an associative array of name/value pairs, where the value is an
+	 * array of values that have used the same name
+	 *
+	 * @static
+	 * @param string $str The input string.
+	 * @return array
+	 */
+	public static function parse_str($str)
+	{
+		$return = array();
+		$str = explode('&', $str);
+
+		foreach ($str as $section)
+		{
+			if (strpos($section, '=') !== false)
+			{
+				list($name, $value) = explode('=', $section, 2);
+				$return[urldecode($name)][] = urldecode($value);
+			}
+			else
+			{
+				$return[urldecode($section)][] = null;
+			}
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Detect XML encoding, as per XML 1.0 Appendix F.1
+	 *
+	 * @todo Add support for EBCDIC
+	 * @param string $data XML data
+	 * @param SimplePie_Registry $registry Class registry
+	 * @return array Possible encodings
+	 */
+	public static function xml_encoding($data, $registry)
+	{
+		// UTF-32 Big Endian BOM
+		if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
+		{
+			$encoding[] = 'UTF-32BE';
+		}
+		// UTF-32 Little Endian BOM
+		elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
+		{
+			$encoding[] = 'UTF-32LE';
+		}
+		// UTF-16 Big Endian BOM
+		elseif (substr($data, 0, 2) === "\xFE\xFF")
+		{
+			$encoding[] = 'UTF-16BE';
+		}
+		// UTF-16 Little Endian BOM
+		elseif (substr($data, 0, 2) === "\xFF\xFE")
+		{
+			$encoding[] = 'UTF-16LE';
+		}
+		// UTF-8 BOM
+		elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
+		{
+			$encoding[] = 'UTF-8';
+		}
+		// UTF-32 Big Endian Without BOM
+		elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C")
+		{
+			if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-32BE';
+		}
+		// UTF-32 Little Endian Without BOM
+		elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00")
+		{
+			if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-32LE';
+		}
+		// UTF-16 Big Endian Without BOM
+		elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C")
+		{
+			if ($pos = strpos($data, "\x00\x3F\x00\x3E"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-16BE';
+		}
+		// UTF-16 Little Endian Without BOM
+		elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00")
+		{
+			if ($pos = strpos($data, "\x3F\x00\x3E\x00"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8')));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-16LE';
+		}
+		// US-ASCII (or superset)
+		elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C")
+		{
+			if ($pos = strpos($data, "\x3F\x3E"))
+			{
+				$parser = $registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5)));
+				if ($parser->parse())
+				{
+					$encoding[] = $parser->encoding;
+				}
+			}
+			$encoding[] = 'UTF-8';
+		}
+		// Fallback to UTF-8
+		else
+		{
+			$encoding[] = 'UTF-8';
+		}
+		return $encoding;
+	}
+
+	public static function output_javascript()
+	{
+		if (function_exists('ob_gzhandler'))
+		{
+			ob_start('ob_gzhandler');
+		}
+		header('Content-type: text/javascript; charset: UTF-8');
+		header('Cache-Control: must-revalidate');
+		header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days
+		?>
+function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
+	if (placeholder != '') {
+		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
+	}
+	else {
+		document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
+	}
+}
+
+function embed_flash(bgcolor, width, height, link, loop, type) {
+	document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>');
+}
+
+function embed_flv(width, height, link, placeholder, loop, player) {
+	document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>');
+}
+
+function embed_wmedia(width, height, link) {
+	document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>');
+}
+		<?php
+	}
+
+	/**
+	 * Get the SimplePie build timestamp
+	 *
+	 * Uses the git index if it exists, otherwise uses the modification time
+	 * of the newest file.
+	 */
+	public static function get_build()
+	{
+		$root = dirname(dirname(__FILE__));
+		if (file_exists($root . '/.git/index'))
+		{
+			return filemtime($root . '/.git/index');
+		}
+		elseif (file_exists($root . '/SimplePie'))
+		{
+			$time = 0;
+			foreach (glob($root . '/SimplePie/*.php') as $file)
+			{
+				if (($mtime = filemtime($file)) > $time)
+				{
+					$time = $mtime;
+				}
+			}
+			return $time;
+		}
+		elseif (file_exists(dirname(__FILE__) . '/Core.php'))
+		{
+			return filemtime(dirname(__FILE__) . '/Core.php');
+		}
+		else
+		{
+			return filemtime(__FILE__);
+		}
+	}
+
+	/**
+	 * Format debugging information
+	 */
+	public static function debug(&$sp)
+	{
+		$info = 'SimplePie ' . SIMPLEPIE_VERSION . ' Build ' . SIMPLEPIE_BUILD . "\n";
+		$info .= 'PHP ' . PHP_VERSION . "\n";
+		if ($sp->error() !== null)
+		{
+			$info .= 'Error occurred: ' . $sp->error() . "\n";
+		}
+		else
+		{
+			$info .= "No error found.\n";
+		}
+		$info .= "Extensions:\n";
+		$extensions = array('pcre', 'curl', 'zlib', 'mbstring', 'iconv', 'xmlreader', 'xml');
+		foreach ($extensions as $ext)
+		{
+			if (extension_loaded($ext))
+			{
+				$info .= "    $ext loaded\n";
+				switch ($ext)
+				{
+					case 'pcre':
+						$info .= '      Version ' . PCRE_VERSION . "\n";
+						break;
+					case 'curl':
+						$version = curl_version();
+						$info .= '      Version ' . $version['version'] . "\n";
+						break;
+					case 'mbstring':
+						$info .= '      Overloading: ' . mb_get_info('func_overload') . "\n";
+						break;
+					case 'iconv':
+						$info .= '      Version ' . ICONV_VERSION . "\n";
+						break;
+					case 'xml':
+						$info .= '      Version ' . LIBXML_DOTTED_VERSION . "\n";
+						break;
+				}
+			}
+			else
+			{
+				$info .= "    $ext not loaded\n";
+			}
+		}
+		return $info;
+	}
+
+	public static function silence_errors($num, $str)
+	{
+		// No-op
+	}
+}
+