<?php /** * TMarkdown class file * * @author Wei Zhuo <weizhuo[at]gmail[dot]com> * @link http://www.pradosoft.com/ * @copyright Copyright © 2005-2011 PradoSoft * @license http://www.pradosoft.com/license/ * @version $Id$ * @package System.Web.UI.WebControls */ /** * Using TTextHighlighter and MarkdownParser classes */ Prado::using('System.Web.UI.WebControls.TTextHighlighter'); Prado::using('System.3rdParty.Markdown.MarkdownParser'); /** * TMarkdown class * * TMarkdown is a control that produces HTML from code with markdown syntax. * * Markdown is a text-to-HTML conversion tool for web writers. Markdown allows * you to write using an easy-to-read, easy-to-write plain text format, then * convert it to structurally valid XHTML (or HTML). * Further documentation regarding Markdown can be found at * http://daringfireball.net/projects/markdown/ * * To use TMarkdown, simply enclose the content to be rendered within * the body of TMarkdown in a template. * * See http://www.pradosoft.com/demos/quickstart/?page=Markdown for * details on the Markdown syntax usage. * * TMarkdown also performs syntax highlighting for code blocks whose language * is recognized by {@link TTextHighlighter}. * The language of a code block must be specified in the first line of the block * and enclosed within a pair of square brackets (e.g. [php]). * * @author Wei Zhuo <weizhuo[at]gmail[dot]com> * @version $Id$ * @package System.Web.UI.WebControls * @since 3.0.1 */ class TMarkdown extends TTextHighlighter { /** * Processes a text string. * This method is required by the parent class. * @param string text string to be processed * @return string the processed text result */ public function processText($text) { $renderer = new MarkdownParser; $result = $renderer->parse($text); return preg_replace_callback( '/<pre><code>\[\s*(\w+)\s*\]\n+((.|\n)*?)\s*<\\/code><\\/pre>/im', array($this, 'highlightCode'), $result); } /** * Highlights source code using TTextHighlighter * @param array matches of code blocks * @return string highlighted code. */ protected function highlightCode($matches) { $text = html_entity_decode($matches[2],ENT_QUOTES,'UTF-8'); $this->setLanguage($matches[1]); return parent::processText($text); } }