1 <?php
2 
3 /**
4  * Use Markdown Markup in PmWiki
5  * 
6  * @author Sebastian Siedentopf <schlaefer@macnews.de>
7  * @version 2021-11-12
8  * @link http://www.pmwiki.org/wiki/Cookbook/MarkdownMarkupExtension 
9  * @copyright by the respective authors 2006
10  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
11  * @package markdownpmw
12  * 
13  * Version 0.2 and later by Said Achmiz
14  */
15 
16 $RecipeInfo['MarkdownMarkupExtension']['Version'] = '2021-11-12';
17 
18 SDV($MarkdownMarkupParserOptions, array());
19 SDV($MarkdownMarkupMarkdownExtraEnabled, false);
20 SDV($MarkdownMarkupUseClassicParser, false);
21 SDV($MarkdownMarkupDirectiveArgumentsEnabled, false);
22 
23 Markup("markdown", '<include', "/\\(:markdown(?:\\s+([^\\n]+))?(?:\\s*)?:\\)(.*?)[\\n]?\\(:markdownend:\\)/s", 
24 	"MarkupPmWikiConversion");
25 	
26 function MarkupPmWikiConversion($m) {
27 	global $MarkdownMarkupDirectiveArgumentsEnabled, $MarkdownMarkupParserOptions, 
28 		$MarkdownMarkupMarkdownExtraEnabled, $MarkdownMarkupUseClassicParser, 
29 		$MarkdownMarkupClassicParserAvailable;
30 
31 	$args = ParseArgs($m[1]);
32 	$options = $MarkdownMarkupParserOptions;
33 	$options['extra'] = $MarkdownMarkupMarkdownExtraEnabled;
34 	$options['classic'] = $MarkdownMarkupUseClassicParser;
35 	if ($MarkdownMarkupDirectiveArgumentsEnabled)
36 		$options = array_merge($options, array_slice($args, 1));
37 
38 	$text = $m[2];
39 	$astr = array (
40 			"<:vspace>" => "\n\n",
41 			"(:nl:)" => "\n",
42 			"&gt;" => ">",
43 			"&lt;" => "<",
44 		);
45 	$pstr = array(
46 // 			"/<p>/" => "<p class='vspace'>",
47 // 			"/&amp;(.*?);/" => "&\\1;",
48 		);
49 		
50 	$text = str_replace(array_keys($astr), $astr, $text);
51 	
52 	if ($options['classic']) {
53 		if (!file_exists("markdown.php"))
54 			return Keep("<p style='color: red; font-weight: bold;'>Classic parser not available.</p>\n");
55 
56 		define(MARKDOWN_PARSER_CLASS, ($options['extra'] ? 'MarkdownExtra_Parser' : 'Markdown_Parser'));			
57 		include_once("markdown.php");
58 		
59 		$text = Markdown($text);
60 	} else {
61 		if ($options['extra']) {
62 			include_once("Michelf/MarkdownExtra.inc.php");
63 		} else {
64 			include_once("Michelf/Markdown.inc.php");
65 		}
66 
67 		$parser_options = array_slice($options, 2);
68 		if (empty($parser_options)) {
69 			$text = $options['extra'] ? 
70 					Michelf\MarkdownExtra::defaultTransform($text) : 
71 					Michelf\Markdown::defaultTransform($text);
72 		} else {
73 			$parser =  $options['extra'] ? new Michelf\MarkdownExtra : new Michelf\Markdown;
74 			foreach ($parser_options as $md_opt => $md_opt_value) {
75 				$parser->{$md_opt} = $md_opt_value;
76 			}
77 			$text = $parser->transform($text);
78 		}
79 		$text = preg_replace(array_keys($pstr), $pstr, $text); 
80 	}
81 		
82 	return Keep($text);
83 }
84 
85 ?>