")) { return $text; } // Check if the user don't want to see any of our nice colours... if($_GET['highlight'] == 'no') { return $text; } // Grab memory for a new class $hh_highlight = new Highlight; // Let's do'it return $hh_highlight->initialise($text); } class Highlight { // Extracts only the bits and pieces that we need, i.e. what's // in the code-element. The extracted code is then sent to match() function initialise($text) { define('hh_highlight', true); return preg_replace_callback("/

(.*?)<\/code>/si", array(&$this, "match"), $text);
	}
	
	// Sends the code that needs to be highlighted to the 
	// appropriate function and wraps the result in a code-block
	function match($matches) {
		$text = str_replace(array('<code>', '</code>'), array('', ''), $this->highlight($matches[1]));
		
		return $text;
	}
	
	// We'll have to search to see wether or not there is a preprocess($code)) :
			// It wasn't PHP so let's return it with wrapped 
			// in its code-element, shall we. 
			$code = '' . $code . ''; 
		else :
			
			// Need to clean up the code a bit (can this be done neater?)
			$code = str_replace(
				// Search (Needle)
				array(
					'<?php',
					'< ?php',
					'< ?php',
					'< ? php',
					'[php]',
					'[/php]',
					'?>',
					'
',
					""
				),
				// Replace (New Needle) 
				array(
					'',
					'?>',
					'',
					''
				),
				// Haystack
				$code);
			
			// From php.net user notes - this is the work horse
			ob_start();									// Start output buffering
			highlight_string($code);		// Highlight the code
			$code = ob_get_contents();	// Capture output
			ob_end_clean();							// Clear buffer
			
			if(1 == get_option('hh_highlight_use_classes')) :
				// From PHP.net ( http://www.php.net/source.php?url=/include/layout.inc )
				// Fix output to use CSS classes and wrap well
				$code = str_replace(
					// Search (Needle)
					array(
						' ',
						'
',
						'',
						"\n ",
						'  '
					),
					// Replace (New needle)
					array(
						' ',
						"
\n",
						'',
						"\n ",
						'  '
					), 
					// Haystack
					$code);
	 			endif;
		endif;
		return $code;
	} 
	

} // Class dismissed

function hh_highlight_after($text) {
	$text = str_replace('
', '', $text);
	
	return $text;
}



// Highlight options page
function hh_highlight_options() {
	
	// Get all the class names so that we can populate the 
	// fields with some values - This is an array
	$class = unserialize(get_option('hh_highlight_classes'));
?>

	 
		
		 
		

		 
		 
		 
			 
			 
			
				/> 

				/>  
			
			
				
			
				/> 

				/> 

				 
			
		
	

	
		
		 
			
				
				
			 
			
				
				
			 
			
				
				
			 
			
				
				
			 
			
				
				
			
			
				code-element:', 'hh_highlight') ?>
				
					

					
				
			 
		 
	 

	
		
	
	

 $_POST['highlight_comment'], 'default' => $_POST['highlight_default'], 'keyword' => $_POST['highlight_keyword'], 'string' => $_POST['highlight_string'], 'html' => $_POST['highlight_html'], 'code' => $_POST['code_class'])));

		// Go back to the options-page without the POST information in the headers
		// ToDo: Not hard-code file name
		header('Location: options-general.php?page=hh-highlight.php&updated=true');
		/*
		print '';
		print_r($_POST);
		print '';
		*/
	}
	
	// Highlight comments? 
	// Must be activated from admin-page
	if(1 == get_option('hh_highlight_comments')) {
		add_filter('comment_text', 'hh_highlight');
		add_filter('comment_text', 'hh_highlight_after');
	}

	// Let's set up some classes (if needed)
	if(1 == get_option('hh_highlight_use_classes')) {
		$class = unserialize(get_option('hh_highlight_classes'));
		ini_set('highlight.comment', $class['comment']);
		ini_set('highlight.default', $class['default']);
		ini_set('highlight.keyword', $class['keyword']);
		ini_set('highlight.string',  $class['string']);
		ini_set('highlight.html',    $class['html']);
	}

}

// Just for adding a options page
function hh_highlight_add_pages() {
	add_options_page('Code Highlighter', 'Code Highlighter', 8, __FILE__, 'hh_highlight_options');
}


// Add to the WordPress hook's
add_action('init', 'hh_init');
add_action('admin_menu', 'hh_highlight_add_pages');
add_filter('the_content', 'hh_highlight');
?>