112 lines
3.6 KiB
PHP
Executable file
112 lines
3.6 KiB
PHP
Executable file
<?php
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// Copyright (c) 2013 Datenstrom, http://datenstrom.se
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// This file may be used and distributed under the terms of the public license.
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// Markdown extra parser core plugin
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class YellowMarkdownExtra
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{
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const Version = "0.2.1";
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var $yellow; //access to API
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var $textHtml; //generated text (HTML format)
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// Initialise plugin
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function onLoad($yellow)
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{
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$this->yellow = $yellow;
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}
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// Parse text
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function parse($text)
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{
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$markdown = new YellowMarkdownExtraParser($this->yellow);
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return $this->textHtml = $markdown->transform($text);
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}
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}
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require_once("markdown.php");
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class YellowMarkdownExtraParser extends MarkdownExtra_Parser
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{
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var $yellow; //access to API
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function __construct($yellow)
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{
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$this->yellow = $yellow;
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parent::__construct();
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}
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// Transform text
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function transform($text)
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{
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$text = preg_replace("/@pageRead/i", $this->yellow->page->get("pageRead"), $text);
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$text = preg_replace("/@pageEdit/i", $this->yellow->page->get("pageEdit"), $text);
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$text = preg_replace("/@pageError/i", $this->yellow->page->get("pageError"), $text);
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return parent::transform($text);
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}
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// Handle links
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function doAutoLinks($text)
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{
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$text = preg_replace_callback("/<(\w+:[^\'\">\s]+)>/", array(&$this, "_doAutoLinks_url_callback"), $text);
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$text = preg_replace_callback("/<(\w+@[\w\-\.]+)>/", array(&$this, "_doAutoLinks_email_callback"), $text);
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$text = preg_replace_callback("/\[(\w+)\s+(.*?)\]/", array(&$this, "_doAutoLinks_shortcut_callback"), $text);
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return $text;
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}
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// Handle shortcuts
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function _doAutoLinks_shortcut_callback($matches)
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{
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$text = preg_replace("/\s+/s", " ", $matches[2]);
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$output = $this->yellow->page->parseType($matches[1], $text, true);
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if(is_null($output)) $output = $matches[0];
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return $this->hashBlock($output);
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}
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// Handle fenced code blocks
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function _doFencedCodeBlocks_callback($matches)
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{
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$text = $matches[4];
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$output = $this->yellow->page->parseType($matches[2], $text, false);
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if(is_null($output))
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{
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$attr = $this->doExtraAttributes("pre", $dummy =& $matches[3]);
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$output = "<pre$attr><code>".htmlspecialchars($text, ENT_NOQUOTES)."</code></pre>";
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}
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return "\n\n".$this->hashBlock($output)."\n\n";
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}
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// Handle inline links
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function _doAnchors_inline_callback($matches)
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{
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$url = $matches[3]=="" ? $matches[4] : $matches[3];
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$text = $matches[2];
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$title = $matches[7];
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$attr = $this->doExtraAttributes("a", $dummy =& $matches[8]);
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$output = "<a href=\"".$this->encodeAttribute($url)."\"";
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if(!empty($title)) $output .= " title=\"".$this->encodeAttribute($title)."\"";
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$output .= $attr;
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$output .= ">".$this->runSpanGamut($text)."</a>";
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return $this->hashPart($output);
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}
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// Handle inline images
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function _doImages_inline_callback($matches)
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{
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$path = $matches[3]=="" ? $matches[4] : $matches[3];
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$src = $this->yellow->config->get("serverBase").$this->yellow->config->get("imageLocation").$path;
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list($width, $height) = $this->yellow->toolbox->detectImageDimensions($this->yellow->config->get("imageDir").$path);
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$alt = $matches[2];
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$title = $matches[7];
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$attr = $this->doExtraAttributes("img", $dummy =& $matches[8]);
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$output = "<img src=\"".$this->encodeAttribute($src)."\"";
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if($width && $height) $output .= " width=\"$width\" height=\"$height\"";
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if(!empty($alt)) $output .= " alt=\"".$this->encodeAttribute($alt)."\"";
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if(!empty($title)) $output .= " title=\"".$this->encodeAttribute($title)."\"";
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$output .= $attr;
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$output .= $this->empty_element_suffix;
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return $this->hashPart($output);
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}
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}
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$yellow->registerPlugin("markdownextra", "YellowMarkdownExtra", YellowMarkdownExtra::Version);
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?>
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