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Diffstat (limited to 'wp-includes/SimplePie/Parser.php')
| -rw-r--r-- | wp-includes/SimplePie/Parser.php | 679 |
1 files changed, 679 insertions, 0 deletions
diff --git a/wp-includes/SimplePie/Parser.php b/wp-includes/SimplePie/Parser.php new file mode 100644 index 0000000..3813b74 --- /dev/null +++ b/wp-includes/SimplePie/Parser.php @@ -0,0 +1,679 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Sam 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 + * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue + * @author Ryan Parman + * @author Sam Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Parses XML into something sane + * + * + * This class can be overloaded with {@see SimplePie::set_parser_class()} + * + * @package SimplePie + * @subpackage Parsing + */ +class SimplePie_Parser +{ + var $error_code; + var $error_string; + var $current_line; + var $current_column; + var $current_byte; + var $separator = ' '; + var $namespace = array(''); + var $element = array(''); + var $xml_base = array(''); + var $xml_base_explicit = array(false); + var $xml_lang = array(''); + var $data = array(); + var $datas = array(array()); + var $current_xhtml_construct = -1; + var $encoding; + protected $registry; + + public function set_registry(SimplePie_Registry $registry) + { + $this->registry = $registry; + } + + public function parse(&$data, $encoding, $url = '') + { + if (class_exists('DOMXpath') && function_exists('Mf2\parse')) { + $doc = new DOMDocument(); + @$doc->loadHTML($data); + $xpath = new DOMXpath($doc); + // Check for both h-feed and h-entry, as both a feed with no entries + // and a list of entries without an h-feed wrapper are both valid. + $query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '. + 'contains(concat(" ", @class, " "), " h-entry ")]'; + $result = $xpath->query($query); + if ($result->length !== 0) { + return $this->parse_microformats($data, $url); + } + } + + // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character + if (strtoupper($encoding) === 'US-ASCII') + { + $this->encoding = 'UTF-8'; + } + else + { + $this->encoding = $encoding; + } + + // Strip BOM: + // UTF-32 Big Endian BOM + if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") + { + $data = substr($data, 4); + } + // UTF-32 Little Endian BOM + elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") + { + $data = substr($data, 4); + } + // UTF-16 Big Endian BOM + elseif (substr($data, 0, 2) === "\xFE\xFF") + { + $data = substr($data, 2); + } + // UTF-16 Little Endian BOM + elseif (substr($data, 0, 2) === "\xFF\xFE") + { + $data = substr($data, 2); + } + // UTF-8 BOM + elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") + { + $data = substr($data, 3); + } + + if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false) + { + $declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5))); + if ($declaration->parse()) + { + $data = substr($data, $pos + 2); + $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' ."\n". $this->declare_html_entities() . $data; + } + else + { + $this->error_string = 'SimplePie bug! Please report this!'; + return false; + } + } + + $return = true; + + static $xml_is_sane = null; + if ($xml_is_sane === null) + { + $parser_check = xml_parser_create(); + xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); + xml_parser_free($parser_check); + $xml_is_sane = isset($values[0]['value']); + } + + // Create the parser + if ($xml_is_sane) + { + $xml = xml_parser_create_ns($this->encoding, $this->separator); + xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1); + xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0); + xml_set_object($xml, $this); + xml_set_character_data_handler($xml, 'cdata'); + xml_set_element_handler($xml, 'tag_open', 'tag_close'); + + // Parse! + $wrapper = @is_writable(sys_get_temp_dir()) ? 'php://temp' : 'php://memory'; + if (($stream = fopen($wrapper, 'r+')) && + fwrite($stream, $data) && + rewind($stream)) + { + //Parse by chunks not to use too much memory + do + { + $stream_data = fread($stream, 1048576); + if (!xml_parse($xml, $stream_data === false ? '' : $stream_data, feof($stream))) + { + $this->error_code = xml_get_error_code($xml); + $this->error_string = xml_error_string($this->error_code); + $return = false; + break; + } + } while (!feof($stream)); + fclose($stream); + } + else + { + $return = false; + } + + $this->current_line = xml_get_current_line_number($xml); + $this->current_column = xml_get_current_column_number($xml); + $this->current_byte = xml_get_current_byte_index($xml); + xml_parser_free($xml); + return $return; + } + + libxml_clear_errors(); + $xml = new XMLReader(); + $xml->xml($data); + while (@$xml->read()) + { + switch ($xml->nodeType) + { + + case constant('XMLReader::END_ELEMENT'): + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $this->tag_close(null, $tagName); + break; + case constant('XMLReader::ELEMENT'): + $empty = $xml->isEmptyElement; + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $attributes = array(); + while ($xml->moveToNextAttribute()) + { + if ($xml->namespaceURI !== '') + { + $attrName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $attrName = $xml->localName; + } + $attributes[$attrName] = $xml->value; + } + $this->tag_open(null, $tagName, $attributes); + if ($empty) + { + $this->tag_close(null, $tagName); + } + break; + case constant('XMLReader::TEXT'): + + case constant('XMLReader::CDATA'): + $this->cdata(null, $xml->value); + break; + } + } + if ($error = libxml_get_last_error()) + { + $this->error_code = $error->code; + $this->error_string = $error->message; + $this->current_line = $error->line; + $this->current_column = $error->column; + return false; + } + + return true; + } + + public function get_error_code() + { + return $this->error_code; + } + + public function get_error_string() + { + return $this->error_string; + } + + public function get_current_line() + { + return $this->current_line; + } + + public function get_current_column() + { + return $this->current_column; + } + + public function get_current_byte() + { + return $this->current_byte; + } + + public function get_data() + { + return $this->data; + } + + public function tag_open($parser, $tag, $attributes) + { + list($this->namespace[], $this->element[]) = $this->split_ns($tag); + + $attribs = array(); + foreach ($attributes as $name => $value) + { + list($attrib_namespace, $attribute) = $this->split_ns($name); + $attribs[$attrib_namespace][$attribute] = $value; + } + + if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base'])) + { + $base = $this->registry->call('Misc', 'absolutize_url', array($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base))); + if ($base !== false) + { + $this->xml_base[] = $base; + $this->xml_base_explicit[] = true; + } + } + else + { + $this->xml_base[] = end($this->xml_base); + $this->xml_base_explicit[] = end($this->xml_base_explicit); + } + + if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang'])) + { + $this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang']; + } + else + { + $this->xml_lang[] = end($this->xml_lang); + } + + if ($this->current_xhtml_construct >= 0) + { + $this->current_xhtml_construct++; + if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML) + { + $this->data['data'] .= '<' . end($this->element); + if (isset($attribs[''])) + { + foreach ($attribs[''] as $name => $value) + { + $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"'; + } + } + $this->data['data'] .= '>'; + } + } + else + { + $this->datas[] =& $this->data; + $this->data =& $this->data['child'][end($this->namespace)][end($this->element)][]; + $this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang)); + if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml') + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml') + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_20 && in_array(end($this->element), array('title'))) + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_090 && in_array(end($this->element), array('title'))) + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_10 && in_array(end($this->element), array('title')))) + { + $this->current_xhtml_construct = 0; + } + } + } + + public function cdata($parser, $cdata) + { + if ($this->current_xhtml_construct >= 0) + { + $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding); + } + else + { + $this->data['data'] .= $cdata; + } + } + + public function tag_close($parser, $tag) + { + if ($this->current_xhtml_construct >= 0) + { + $this->current_xhtml_construct--; + if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param'))) + { + $this->data['data'] .= '</' . end($this->element) . '>'; + } + } + if ($this->current_xhtml_construct === -1) + { + $this->data =& $this->datas[count($this->datas) - 1]; + array_pop($this->datas); + } + + array_pop($this->element); + array_pop($this->namespace); + array_pop($this->xml_base); + array_pop($this->xml_base_explicit); + array_pop($this->xml_lang); + } + + public function split_ns($string) + { + static $cache = array(); + if (!isset($cache[$string])) + { + if ($pos = strpos($string, $this->separator)) + { + static $separator_length; + if (!$separator_length) + { + $separator_length = strlen($this->separator); + } + $namespace = substr($string, 0, $pos); + $local_name = substr($string, $pos + $separator_length); + if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES) + { + $namespace = SIMPLEPIE_NAMESPACE_ITUNES; + } + + // Normalize the Media RSS namespaces + if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 ) + { + $namespace = SIMPLEPIE_NAMESPACE_MEDIARSS; + } + $cache[$string] = array($namespace, $local_name); + } + else + { + $cache[$string] = array('', $string); + } + } + return $cache[$string]; + } + + private function parse_hcard($data, $category = false) { + $name = ''; + $link = ''; + // Check if h-card is set and pass that information on in the link. + if (isset($data['type']) && in_array('h-card', $data['type'])) { + if (isset($data['properties']['name'][0])) { + $name = $data['properties']['name'][0]; + } + if (isset($data['properties']['url'][0])) { + $link = $data['properties']['url'][0]; + if ($name === '') { + $name = $link; + } + else { + // can't have commas in categories. + $name = str_replace(',', '', $name); + } + $person_tag = $category ? '<span class="person-tag"></span>' : ''; + return '<a class="h-card" href="'.$link.'">'.$person_tag.$name.'</a>'; + } + } + return isset($data['value']) ? $data['value'] : ''; + } + + private function parse_microformats(&$data, $url) { + $feed_title = ''; + $feed_author = NULL; + $author_cache = array(); + $items = array(); + $entries = array(); + $mf = Mf2\parse($data, $url); + // First look for an h-feed. + $h_feed = array(); + foreach ($mf['items'] as $mf_item) { + if (in_array('h-feed', $mf_item['type'])) { + $h_feed = $mf_item; + break; + } + // Also look for h-feed or h-entry in the children of each top level item. + if (!isset($mf_item['children'][0]['type'])) continue; + if (in_array('h-feed', $mf_item['children'][0]['type'])) { + $h_feed = $mf_item['children'][0]; + // In this case the parent of the h-feed may be an h-card, so use it as + // the feed_author. + if (in_array('h-card', $mf_item['type'])) $feed_author = $mf_item; + break; + } + else if (in_array('h-entry', $mf_item['children'][0]['type'])) { + $entries = $mf_item['children']; + // In this case the parent of the h-entry list may be an h-card, so use + // it as the feed_author. + if (in_array('h-card', $mf_item['type'])) $feed_author = $mf_item; + break; + } + } + if (isset($h_feed['children'])) { + $entries = $h_feed['children']; + // Also set the feed title and store author from the h-feed if available. + if (isset($mf['items'][0]['properties']['name'][0])) { + $feed_title = $mf['items'][0]['properties']['name'][0]; + } + if (isset($mf['items'][0]['properties']['author'][0])) { + $feed_author = $mf['items'][0]['properties']['author'][0]; + } + } + else if (count($entries) === 0) { + $entries = $mf['items']; + } + for ($i = 0; $i < count($entries); $i++) { + $entry = $entries[$i]; + if (in_array('h-entry', $entry['type'])) { + $item = array(); + $title = ''; + $description = ''; + if (isset($entry['properties']['url'][0])) { + $link = $entry['properties']['url'][0]; + if (isset($link['value'])) $link = $link['value']; + $item['link'] = array(array('data' => $link)); + } + if (isset($entry['properties']['uid'][0])) { + $guid = $entry['properties']['uid'][0]; + if (isset($guid['value'])) $guid = $guid['value']; + $item['guid'] = array(array('data' => $guid)); + } + if (isset($entry['properties']['name'][0])) { + $title = $entry['properties']['name'][0]; + if (isset($title['value'])) $title = $title['value']; + $item['title'] = array(array('data' => $title)); + } + if (isset($entry['properties']['author'][0]) || isset($feed_author)) { + // author is a special case, it can be plain text or an h-card array. + // If it's plain text it can also be a url that should be followed to + // get the actual h-card. + $author = isset($entry['properties']['author'][0]) ? + $entry['properties']['author'][0] : $feed_author; + if (!is_string($author)) { + $author = $this->parse_hcard($author); + } + else if (strpos($author, 'http') === 0) { + if (isset($author_cache[$author])) { + $author = $author_cache[$author]; + } + else { + $mf = Mf2\fetch($author); + foreach ($mf['items'] as $hcard) { + // Only interested in an h-card by itself in this case. + if (!in_array('h-card', $hcard['type'])) { + continue; + } + // It must have a url property matching what we fetched. + if (!isset($hcard['properties']['url']) || + !(in_array($author, $hcard['properties']['url']))) { + continue; + } + // Save parse_hcard the trouble of finding the correct url. + $hcard['properties']['url'][0] = $author; + // Cache this h-card for the next h-entry to check. + $author_cache[$author] = $this->parse_hcard($hcard); + $author = $author_cache[$author]; + break; + } + } + } + $item['author'] = array(array('data' => $author)); + } + if (isset($entry['properties']['photo'][0])) { + // If a photo is also in content, don't need to add it again here. + $content = ''; + if (isset($entry['properties']['content'][0]['html'])) { + $content = $entry['properties']['content'][0]['html']; + } + $photo_list = array(); + for ($j = 0; $j < count($entry['properties']['photo']); $j++) { + $photo = $entry['properties']['photo'][$j]; + if (!empty($photo) && strpos($content, $photo) === false) { + $photo_list[] = $photo; + } + } + // When there's more than one photo show the first and use a lightbox. + // Need a permanent, unique name for the image set, but don't have + // anything unique except for the content itself, so use that. + $count = count($photo_list); + if ($count > 1) { + $image_set_id = preg_replace('/[[:^alnum:]]/', '', $photo_list[0]); + $description = '<p>'; + for ($j = 0; $j < $count; $j++) { + $hidden = $j === 0 ? '' : 'class="hidden" '; + $description .= '<a href="'.$photo_list[$j].'" '.$hidden. + 'data-lightbox="image-set-'.$image_set_id.'">'. + '<img src="'.$photo_list[$j].'"></a>'; + } + $description .= '<br><b>'.$count.' photos</b></p>'; + } + else if ($count == 1) { + $description = '<p><img src="'.$photo_list[0].'"></p>'; + } + } + if (isset($entry['properties']['content'][0]['html'])) { + // e-content['value'] is the same as p-name when they are on the same + // element. Use this to replace title with a strip_tags version so + // that alt text from images is not included in the title. + if ($entry['properties']['content'][0]['value'] === $title) { + $title = strip_tags($entry['properties']['content'][0]['html']); + $item['title'] = array(array('data' => $title)); + } + $description .= $entry['properties']['content'][0]['html']; + if (isset($entry['properties']['in-reply-to'][0])) { + $in_reply_to = ''; + if (is_string($entry['properties']['in-reply-to'][0])) { + $in_reply_to = $entry['properties']['in-reply-to'][0]; + } + else if (isset($entry['properties']['in-reply-to'][0]['value'])) { + $in_reply_to = $entry['properties']['in-reply-to'][0]['value']; + } + if ($in_reply_to !== '') { + $description .= '<p><span class="in-reply-to"></span> '. + '<a href="'.$in_reply_to.'">'.$in_reply_to.'</a><p>'; + } + } + $item['description'] = array(array('data' => $description)); + } + if (isset($entry['properties']['category'])) { + $category_csv = ''; + // Categories can also contain h-cards. + foreach ($entry['properties']['category'] as $category) { + if ($category_csv !== '') $category_csv .= ', '; + if (is_string($category)) { + // Can't have commas in categories. + $category_csv .= str_replace(',', '', $category); + } + else { + $category_csv .= $this->parse_hcard($category, true); + } + } + $item['category'] = array(array('data' => $category_csv)); + } + if (isset($entry['properties']['published'][0])) { + $timestamp = strtotime($entry['properties']['published'][0]); + $pub_date = date('F j Y g:ia', $timestamp).' GMT'; + $item['pubDate'] = array(array('data' => $pub_date)); + } + // The title and description are set to the empty string to represent + // a deleted item (which also makes it an invalid rss item). + if (isset($entry['properties']['deleted'][0])) { + $item['title'] = array(array('data' => '')); + $item['description'] = array(array('data' => '')); + } + $items[] = array('child' => array('' => $item)); + } + } + // Mimic RSS data format when storing microformats. + $link = array(array('data' => $url)); + $image = ''; + if (!is_string($feed_author) && + isset($feed_author['properties']['photo'][0])) { + $image = array(array('child' => array('' => array('url' => + array(array('data' => $feed_author['properties']['photo'][0])))))); + } + // Use the name given for the h-feed, or get the title from the html. + if ($feed_title !== '') { + $feed_title = array(array('data' => htmlspecialchars($feed_title))); + } + else if ($position = strpos($data, '<title>')) { + $start = $position < 200 ? 0 : $position - 200; + $check = substr($data, $start, 400); + $matches = array(); + if (preg_match('/<title>(.+)<\/title>/', $check, $matches)) { + $feed_title = array(array('data' => htmlspecialchars($matches[1]))); + } + } + $channel = array('channel' => array(array('child' => array('' => + array('link' => $link, 'image' => $image, 'title' => $feed_title, + 'item' => $items))))); + $rss = array(array('attribs' => array('' => array('version' => '2.0')), + 'child' => array('' => $channel))); + $this->data = array('child' => array('' => array('rss' => $rss))); + return true; + } + + private function declare_html_entities() { + // This is required because the RSS specification says that entity-encoded + // html is allowed, but the xml specification says they must be declared. + return '<!DOCTYPE html [ <!ENTITY nbsp " "> <!ENTITY iexcl "¡"> <!ENTITY cent "¢"> <!ENTITY pound "£"> <!ENTITY curren "¤"> <!ENTITY yen "¥"> <!ENTITY brvbar "¦"> <!ENTITY sect "§"> <!ENTITY uml "¨"> <!ENTITY copy "©"> <!ENTITY ordf "ª"> <!ENTITY laquo "«"> <!ENTITY not "¬"> <!ENTITY shy "­"> <!ENTITY reg "®"> <!ENTITY macr "¯"> <!ENTITY deg "°"> <!ENTITY plusmn "±"> <!ENTITY sup2 "²"> <!ENTITY sup3 "³"> <!ENTITY acute "´"> <!ENTITY micro "µ"> <!ENTITY para "¶"> <!ENTITY middot "·"> <!ENTITY cedil "¸"> <!ENTITY sup1 "¹"> <!ENTITY ordm "º"> <!ENTITY raquo "»"> <!ENTITY frac14 "¼"> <!ENTITY frac12 "½"> <!ENTITY frac34 "¾"> <!ENTITY iquest "¿"> <!ENTITY Agrave "À"> <!ENTITY Aacute "Á"> <!ENTITY Acirc "Â"> <!ENTITY Atilde "Ã"> <!ENTITY Auml "Ä"> <!ENTITY Aring "Å"> <!ENTITY AElig "Æ"> <!ENTITY Ccedil "Ç"> <!ENTITY Egrave "È"> <!ENTITY Eacute "É"> <!ENTITY Ecirc "Ê"> <!ENTITY Euml "Ë"> <!ENTITY Igrave "Ì"> <!ENTITY Iacute "Í"> <!ENTITY Icirc "Î"> <!ENTITY Iuml "Ï"> <!ENTITY ETH "Ð"> <!ENTITY Ntilde "Ñ"> <!ENTITY Ograve "Ò"> <!ENTITY Oacute "Ó"> <!ENTITY Ocirc "Ô"> <!ENTITY Otilde "Õ"> <!ENTITY Ouml "Ö"> <!ENTITY times "×"> <!ENTITY Oslash "Ø"> <!ENTITY Ugrave "Ù"> <!ENTITY Uacute "Ú"> <!ENTITY Ucirc "Û"> <!ENTITY Uuml "Ü"> <!ENTITY Yacute "Ý"> <!ENTITY THORN "Þ"> <!ENTITY szlig "ß"> <!ENTITY agrave "à"> <!ENTITY aacute "á"> <!ENTITY acirc "â"> <!ENTITY atilde "ã"> <!ENTITY auml "ä"> <!ENTITY aring "å"> <!ENTITY aelig "æ"> <!ENTITY ccedil "ç"> <!ENTITY egrave "è"> <!ENTITY eacute "é"> <!ENTITY ecirc "ê"> <!ENTITY euml "ë"> <!ENTITY igrave "ì"> <!ENTITY iacute "í"> <!ENTITY icirc "î"> <!ENTITY iuml "ï"> <!ENTITY eth "ð"> <!ENTITY ntilde "ñ"> <!ENTITY ograve "ò"> <!ENTITY oacute "ó"> <!ENTITY ocirc "ô"> <!ENTITY otilde "õ"> <!ENTITY ouml "ö"> <!ENTITY divide "÷"> <!ENTITY oslash "ø"> <!ENTITY ugrave "ù"> <!ENTITY uacute "ú"> <!ENTITY ucirc "û"> <!ENTITY uuml "ü"> <!ENTITY yacute "ý"> <!ENTITY thorn "þ"> <!ENTITY yuml "ÿ"> <!ENTITY OElig "Œ"> <!ENTITY oelig "œ"> <!ENTITY Scaron "Š"> <!ENTITY scaron "š"> <!ENTITY Yuml "Ÿ"> <!ENTITY fnof "ƒ"> <!ENTITY circ "ˆ"> <!ENTITY tilde "˜"> <!ENTITY Alpha "Α"> <!ENTITY Beta "Β"> <!ENTITY Gamma "Γ"> <!ENTITY Epsilon "Ε"> <!ENTITY Zeta "Ζ"> <!ENTITY Eta "Η"> <!ENTITY Theta "Θ"> <!ENTITY Iota "Ι"> <!ENTITY Kappa "Κ"> <!ENTITY Lambda "Λ"> <!ENTITY Mu "Μ"> <!ENTITY Nu "Ν"> <!ENTITY Xi "Ξ"> <!ENTITY Omicron "Ο"> <!ENTITY Pi "Π"> <!ENTITY Rho "Ρ"> <!ENTITY Sigma "Σ"> <!ENTITY Tau "Τ"> <!ENTITY Upsilon "Υ"> <!ENTITY Phi "Φ"> <!ENTITY Chi "Χ"> <!ENTITY Psi "Ψ"> <!ENTITY Omega "Ω"> <!ENTITY alpha "α"> <!ENTITY beta "β"> <!ENTITY gamma "γ"> <!ENTITY delta "δ"> <!ENTITY epsilon "ε"> <!ENTITY zeta "ζ"> <!ENTITY eta "η"> <!ENTITY theta "θ"> <!ENTITY iota "ι"> <!ENTITY kappa "κ"> <!ENTITY lambda "λ"> <!ENTITY mu "μ"> <!ENTITY nu "ν"> <!ENTITY xi "ξ"> <!ENTITY omicron "ο"> <!ENTITY pi "π"> <!ENTITY rho "ρ"> <!ENTITY sigmaf "ς"> <!ENTITY sigma "σ"> <!ENTITY tau "τ"> <!ENTITY upsilon "υ"> <!ENTITY phi "φ"> <!ENTITY chi "χ"> <!ENTITY psi "ψ"> <!ENTITY omega "ω"> <!ENTITY thetasym "ϑ"> <!ENTITY upsih "ϒ"> <!ENTITY piv "ϖ"> <!ENTITY ensp " "> <!ENTITY emsp " "> <!ENTITY thinsp " "> <!ENTITY zwnj "‌"> <!ENTITY zwj "‍"> <!ENTITY lrm "‎"> <!ENTITY rlm "‏"> <!ENTITY ndash "–"> <!ENTITY mdash "—"> <!ENTITY lsquo "‘"> <!ENTITY rsquo "’"> <!ENTITY sbquo "‚"> <!ENTITY ldquo "“"> <!ENTITY rdquo "”"> <!ENTITY bdquo "„"> <!ENTITY dagger "†"> <!ENTITY Dagger "‡"> <!ENTITY bull "•"> <!ENTITY hellip "…"> <!ENTITY permil "‰"> <!ENTITY prime "′"> <!ENTITY Prime "″"> <!ENTITY lsaquo "‹"> <!ENTITY rsaquo "›"> <!ENTITY oline "‾"> <!ENTITY frasl "⁄"> <!ENTITY euro "€"> <!ENTITY image "ℑ"> <!ENTITY weierp "℘"> <!ENTITY real "ℜ"> <!ENTITY trade "™"> <!ENTITY alefsym "ℵ"> <!ENTITY larr "←"> <!ENTITY uarr "↑"> <!ENTITY rarr "→"> <!ENTITY darr "↓"> <!ENTITY harr "↔"> <!ENTITY crarr "↵"> <!ENTITY lArr "⇐"> <!ENTITY uArr "⇑"> <!ENTITY rArr "⇒"> <!ENTITY dArr "⇓"> <!ENTITY hArr "⇔"> <!ENTITY forall "∀"> <!ENTITY part "∂"> <!ENTITY exist "∃"> <!ENTITY empty "∅"> <!ENTITY nabla "∇"> <!ENTITY isin "∈"> <!ENTITY notin "∉"> <!ENTITY ni "∋"> <!ENTITY prod "∏"> <!ENTITY sum "∑"> <!ENTITY minus "−"> <!ENTITY lowast "∗"> <!ENTITY radic "√"> <!ENTITY prop "∝"> <!ENTITY infin "∞"> <!ENTITY ang "∠"> <!ENTITY and "∧"> <!ENTITY or "∨"> <!ENTITY cap "∩"> <!ENTITY cup "∪"> <!ENTITY int "∫"> <!ENTITY there4 "∴"> <!ENTITY sim "∼"> <!ENTITY cong "≅"> <!ENTITY asymp "≈"> <!ENTITY ne "≠"> <!ENTITY equiv "≡"> <!ENTITY le "≤"> <!ENTITY ge "≥"> <!ENTITY sub "⊂"> <!ENTITY sup "⊃"> <!ENTITY nsub "⊄"> <!ENTITY sube "⊆"> <!ENTITY supe "⊇"> <!ENTITY oplus "⊕"> <!ENTITY otimes "⊗"> <!ENTITY perp "⊥"> <!ENTITY sdot "⋅"> <!ENTITY lceil "⌈"> <!ENTITY rceil "⌉"> <!ENTITY lfloor "⌊"> <!ENTITY rfloor "⌋"> <!ENTITY lang "〈"> <!ENTITY rang "〉"> <!ENTITY loz "◊"> <!ENTITY spades "♠"> <!ENTITY clubs "♣"> <!ENTITY hearts "♥"> <!ENTITY diams "♦"> ]>'; + } +} |