joyqi
87 lines
2.4 KiB
PHP
87 lines
2.4 KiB
PHP
<?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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* 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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static $parser;
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if (empty($parser)) {
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$parser = new HyperDown();
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$parser->hook('afterParseCode', function ($html) {
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return preg_replace("/<code class=\"([_a-z0-9-]+)\">/i", "<code class=\"lang-\\1\">", $html);
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});
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$parser->hook('beforeParseInline', function ($html) use ($parser) {
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return preg_replace_callback("/^\s*<!\-\-\s*more\s*\-\->\s*$/s", function ($matches) use ($parser) {
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return $parser->makeHolder('<!--more-->');
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}, $html);
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});
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$parser->enableHtml(true);
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$parser->_commonWhiteList .= '|img|cite|embed|iframe';
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$parser->_specialWhiteList = array_merge($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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'div' => 'div',
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'p' => 'p',
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'h1' => 'h1',
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'h2' => 'h2',
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'h3' => 'h3',
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'h4' => 'h4',
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'h5' => 'h5',
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'h6' => 'h6',
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'pre' => 'pre|code'
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));
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}
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return str_replace('<p><!--more--></p>', '<!--more-->', $parser->makeHtml($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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