New markdown block "warning"
    ! line1
    ! line2
will be rendered as
   <div class="md_warning"><p>line1</p><p>line2</p></div>
		
	
			
		
			
				
	
	
		
			101 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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define( 'MARKDOWN_PARSER_CLASS',  'ExtendedMarkdown' );
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require_once('library/markdown.php');
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class ExtendedMarkdown extends MarkdownExtra_Parser {
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	function ExtendedMarkdown() {
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		$this->block_gamut += array(
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			"doBlockWarning" => 45,
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		);
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		parent::MarkdownExtra_Parser();
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	}
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	function doBlockWarning($text) {
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		$text = preg_replace_callback('/
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			  (								# Wrap whole match in $1
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				(?>
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				  ^[ ]*![ ]?				# "!" at the start of a line
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					.+\n					# rest of the first line
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				  (.+\n)*					# subsequent consecutive lines
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				  \n*						# blanks
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				)+
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			  )
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			/xm', array(&$this, '_doBlockWarning_callback'), $text);
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		return $text;
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	}
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	function _doBlockWarning_callback($matches) {
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		$bq = $matches[1];
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		# trim one level of quoting - trim whitespace-only lines
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		$bq = preg_replace('/^[ ]*![ ]?|^[ ]+$/m', '', $bq);
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		$bq = $this->runBlockGamut($bq);  # recurse
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		$bq = preg_replace('/^/m', "  ", $bq);
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		# These leading spaces cause problem with <pre> content, 
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		# so we need to fix that:
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//		$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', array(&$this, '__doBlockWarning_callback2'), $bq);
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		return "\n" . $this->hashBlock("<div class='md_warning'>\n$bq\n</div>") . "\n\n";
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	}
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	function _doBlockWarning_callback2($matches) {
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		$pre = $matches[1];
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		$pre = preg_replace('/^  /m', '', $pre);
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		return $pre;
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	}
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}
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if (!function_exists('load_doc_file')) {
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	function load_doc_file($s) {
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		global $lang;
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		if (!isset($lang))
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			$lang = 'en';
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		$b = basename($s);
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		$d = dirname($s);
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		if (file_exists("$d/$lang/$b"))
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			return file_get_contents("$d/$lang/$b");
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		if (file_exists($s))
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			return file_get_contents($s);
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		return '';
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	}
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}
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function help_content(&$a) {
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	nav_set_selected('help');
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	global $lang;
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	$text = '';
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	if ($a->argc > 1) {
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		$text = load_doc_file('doc/' . $a->argv[1] . '.md');
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		$a->page['title'] = t('Help:') . ' ' . str_replace('-', ' ', notags($a->argv[1]));
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	}
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	$home = load_doc_file('doc/Home.md');
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	if (!$text) {
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		$text = $home;
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		$a->page['title'] = t('Help');
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	} else {
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		$a->page['aside'] = Markdown($home);
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	}
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	if (!strlen($text)) {
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		header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
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		$tpl = get_markup_template("404.tpl");
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		return replace_macros($tpl, array(
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					'$message' => t('Page not found.')
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				));
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	}
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	$html = Markdown($text);
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	$html = "<style>.md_warning { padding: 1em; border: #ff0000 solid 2px; background-color: #f9a3a3; color: #ffffff;</style>".$html;
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	return $html;
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}
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