";
		$this->preformat = true;
		
		$output .= $matches[1];
		
		return $output."\n";
	}
	
	function handle_horizontalrule($matches) {
		return "
";
	}
	
	function wiki_link($topic) {
		return ucfirst(str_replace(' ','_',$topic));
	}
	
	function handle_image($href,$title,$options) {
		if ($this->ignore_images) return "";
		if (!$this->image_uri) return $title;
		
		$href = $this->image_uri . $href;
		
		$imagetag = sprintf(
			'',
			$href,
			$title
		);
		foreach ($options as $k=>$option) {
			switch($option) {
				case 'frame':
					$imagetag = sprintf(
						'
'.
						'%s'.
						'
%s
'.
						'
',
						$imagetag,
						$title
					);
					break;
				case 'right':
					$imagetag = sprintf(
						'
%s
',
						$imagetag
					);
					break;
			}
		}
		
		return $imagetag;
	}
	
	function handle_internallink($matches) {
		//var_dump($matches);
		$nolink = false;
		
		$href = $matches[4];
		$title = $matches[6] ? $matches[6] : $href.$matches[7];
		$namespace = $matches[3];

		if ($namespace=='Image') {
			$options = explode('|',$title);
			$title = array_pop($options);
			
			return $this->handle_image($href,$title,$options);
		}		
		
		$title = preg_replace('/\(.*?\)/','',$title);
		$title = preg_replace('/^.*?\:/','',$title);
		
		if ($this->reference_wiki) {
			$href = $this->reference_wiki.($namespace?$namespace.':':'').$this->wiki_link($href);
		} else {
			$nolink = true;
		}

		if ($nolink) return $title;


		
		return sprintf(
			'%s',
			$href,
			($newwindow?' target="_blank"':''),
			$title
		);
	}
	
	function handle_externallink($matches) {
		$href = $matches[2];
		$title = $matches[3];
		if (!$title) {
			$this->linknumber++;
			$title = "[{$this->linknumber}]";
		}
		$newwindow = true;
		
		return sprintf(
			'%s',
			$href,
			($newwindow?' target="_blank"':''),
			$title
		);		
	}
	
	function emphasize($amount) {
		$amounts = array(
			2=>array('',''),
			3=>array('',''),
			4=>array('',''),
			5=>array('',''),
		);

		$output = "";

		// handle cases where emphasized phrases end in an apostrophe, eg: ''somethin'''
		// should read somethin' rather than somethin
		if ( (!$this->emphasis[$amount]) && ($this->emphasis[$amount-1]) ) {
			$amount--;
			$output = "'";
		}

		$output .= $amounts[$amount][(int) $this->emphasis[$amount]];

		$this->emphasis[$amount] = !$this->emphasis[$amount];
		
		return $output;
	}
	
	function handle_emphasize($matches) {
		$amount = strlen($matches[1]);
		return $this->emphasize($amount);

	}
	
	function emphasize_off() {
		$output = "";
		foreach ($this->emphasis as $amount=>$state) {
			if ($state) $output .= $this->emphasize($amount);
		}
		
		return $output;
	}
	
	function handle_eliminate($matches) {
		return "";
	}
	
	function handle_variable($matches) {
		switch($matches[2]) {
			case 'CURRENTMONTH': return date('m');
			case 'CURRENTMONTHNAMEGEN':
			case 'CURRENTMONTHNAME': return date('F');
			case 'CURRENTDAY': return date('d');
			case 'CURRENTDAYNAME': return date('l');
			case 'CURRENTYEAR': return date('Y');
			case 'CURRENTTIME': return date('H:i');
			case 'NUMBEROFARTICLES': return 0;
			case 'PAGENAME': return $this->page_title;
			case 'NAMESPACE': return 'None';
			case 'SITENAME': return $_SERVER['HTTP_HOST'];
			default: return '';	
		}
	}
	
	function parse_line($line) {
		$line_regexes = array(
			'preformat'=>'^\s(.*?)$',
			'definitionlist'=>'^([\;\:])\s*(.*?)$',
			'newline'=>'^$',
			'list'=>'^([\*\#]+)(.*?)$',
			'sections'=>'^(={1,6})(.*?)(={1,6})$',
			'horizontalrule'=>'^----$',
		);
		$char_regexes = array(
//			'link'=>'(\[\[((.*?)\:)?(.*?)(\|(.*?))?\]\]([a-z]+)?)',
			'internallink'=>'('.
				'\[\['. // opening brackets
					'(([^\]]*?)\:)?'. // namespace (if any)
					'([^\]]*?)'. // target
					'(\|([^\]]*?))?'. // title (if any)
				'\]\]'. // closing brackets
				'([a-z]+)?'. // any suffixes
				')',
			'externallink'=>'('.
				'\['.
					'([^\]]*?)'.
					'(\s+[^\]]*?)?'.
				'\]'.
				')',
			'emphasize'=>'(\'{2,5})',
			'eliminate'=>'(__TOC__|__NOTOC__|__NOEDITSECTION__)',
			'variable'=>'('. '\{\{' . '([^\}]*?)' . '\}\}' . ')',
		);
				
		$this->stop = false;
		$this->stop_all = false;

		$called = array();
		
		$line = rtrim($line);
				
		foreach ($line_regexes as $func=>$regex) {
			if (preg_match("/$regex/i",$line,$matches)) {
				$called[$func] = true;
				$func = "handle_".$func;
				$line = $this->$func($matches);
				if ($this->stop || $this->stop_all) break;
			}
		}
		if (!$this->stop_all) {
			$this->stop = false;
			foreach ($char_regexes as $func=>$regex) {
				$line = preg_replace_callback("/$regex/i",array(&$this,"handle_".$func),$line);
				if ($this->stop) break;
			}
		}
		
		$isline = strlen(trim($line))>0;
		
		// if this wasn't a list item, and we are in a list, close the list tag(s)
		if (($this->list_level>0) && !$called['list']) $line = $this->handle_list(false,true) . $line;
		if ($this->deflist && !$called['definitionlist']) $line = $this->handle_definitionlist(false,true) . $line;
		if (!empty($this->preformat) && empty($called['preformat'])) $line = $this->handle_preformat(false,true) . $line;
		
		// suppress linebreaks for the next line if we just displayed one; otherwise re-enable them
		if ($isline) $this->suppress_linebreaks = (!empty($called['newline']) || !empty($called['sections']));
		
		return $line;
	}
	
	function test() {
		$text = "WikiParser stress tester. 
 Testing...
__TOC__		
		
== Nowiki test ==
[[wooticles|narf]] and '''test''' and stuff.

== Character formatting ==
This is ''emphasized'', this is '''really emphasized''', this is ''''grossly emphasized'''',
and this is just '''''freeking insane'''''.
Done.	

== Variables ==
{{CURRENTDAY}}/{{CURRENTMONTH}}/{{CURRENTYEAR}}
Done.

== Image test ==
[[:Image:bao1.jpg]]
[[Image:bao1.jpg|frame|alternate text]]
[[Image:bao1.jpg|right|alternate text]]
Done.

== Horizontal Rule ==
Above the rule.
----
Done.

== Hyperlink test ==
This is a [[namespace:link target|bitchin hypalink]] to another document for [[click]]ing, with [[(some) hidden text]] and a [[namespace:hidden namespace]].

A link to an external site [http://www.google.ca] as well another [http://www.esitemedia.com], and a [http://www.blitzaffe.com titled link] -- woo!
Done.

== Preformat ==
Not preformatted.
 Totally preformatted 01234    o o
 Again, this is preformatted    b    <-- It's a face
 Again, this is preformatted   ---'
Done.
		
== Bullet test ==
* One bullet
* Another '''bullet'''
*# a list item
*# another list item
*#* unordered, ordered, unordered
*#* again
*# back down one
Done.

== Definition list ==
; yes : opposite of no
; no : opposite of yes
; maybe
: somewhere in between yes and no
Done.

== Indent ==
Normal
: indented woo
: more indentation
Done.

";
		return $this->parse($text);
	}
	
	function parse($text,$title="") {
		$this->redirect = false;
		
		$this->nowikis = array();
		$this->list_level_types = array();
		$this->list_level = 0;
		
		$this->deflist = false;
		$this->linknumber = 0;
		$this->suppress_linebreaks = false;
		
		$this->page_title = $title;

		$output = "";
		
		$text = preg_replace_callback('/([\s\S]*)<\/nowiki>/i',array(&$this,"handle_save_nowiki"),$text);

		$lines = explode("\n",$text);
		
		if (preg_match('/^\#REDIRECT\s+\[\[(.*?)\]\]$/',trim($lines[0]),$matches)) {
			$this->redirect = $matches[1];
		}
		
		foreach ($lines as $k=>$line) {
			$line = $this->parse_line($line);
			$output .= $line;
		}

		$output = preg_replace_callback('/<\/nowiki>/i',array(&$this,"handle_restore_nowiki"),$output);

		return $output;
	}
	
	function handle_save_nowiki($matches) {
		array_push($this->nowikis,$matches[1]);
		return "";
	}
	
	function handle_restore_nowiki($matches) {
		return array_pop($this->nowikis);
	}
}
?>