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73 lines
1.8 KiB
73 lines
1.8 KiB
<?php |
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if (!defined('__TYPECHO_ROOT_DIR__')) exit; |
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/** |
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* Markdown解析 |
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* |
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* @package Markdown |
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* @copyright Copyright (c) 2014 Typecho team (http://www.typecho.org) |
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* @license GNU General Public License 2.0 |
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*/ |
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class Markdown |
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{ |
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/** |
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* @var HyperDown |
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*/ |
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public static $parser; |
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/** |
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* convert |
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* |
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* @param string $text |
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* @return string |
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*/ |
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public static function convert($text) |
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{ |
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if (empty(self::$parser)) { |
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self::$parser = new HyperDown(); |
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self::$parser->hook('afterParseCode', array('Markdown', 'transerCodeClass')); |
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self::$parser->hook('beforeParseInline', array('Markdown', 'transerComment')); |
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self::$parser->enableHtml(true); |
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self::$parser->_commonWhiteList .= '|img|cite|embed|iframe'; |
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self::$parser->_specialWhiteList = array_merge(self::$parser->_specialWhiteList, array( |
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'ol' => 'ol|li', |
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'ul' => 'ul|li', |
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'blockquote' => 'blockquote', |
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'pre' => 'pre|code' |
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)); |
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} |
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return self::$parser->makeHtml($text); |
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} |
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/** |
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* transerCodeClass |
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* |
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* @param string $html |
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* @return string |
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*/ |
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public static function transerCodeClass($html) |
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{ |
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return preg_replace("/<code class=\"([_a-z0-9-]+)\">/i", "<code class=\"lang-\\1\">", $html); |
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} |
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/** |
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* @param $html |
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* @return mixed |
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*/ |
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public static function transerComment($html) |
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{ |
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return preg_replace_callback("/<!\-\-(.+?)\-\->/s", array('Markdown', 'transerCommentCallback'), $html); |
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} |
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/** |
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* @param $matches |
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* @return string |
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*/ |
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public static function transerCommentCallback($matches) |
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{ |
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return self::$parser->makeHolder($matches[0]); |
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} |
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} |
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