<?php

 /***
  * Template Generator
  *
  * author: NovaKing (novaking@novaking.tv)
  * modified: 2007-01-22
  *
  ***/
  
  class Generator
  {
  	private $html_content;
  	private $module_path;
  
  	function __construct()
  	{
  		//
  		global $site_root;
  		$this->module_path = $site_root;
  	}
  	function Generator()
  	{
  		$this->__construct();
  	}
  
  	function PrepareTemplate( $template_name )
  	{
  		// Load the template file then parse for it's tags
  		$template_filename = $this->module_path . '/hidden/templates/' . $template_name;
  
  		if( @file_exists( $template_filename ) )
  		{
  			// Grab contents the parse for tags
  			$this->html_content = @file_get_contents( $template_filename );
  			$this->html_content = $this->ParseTags( $this->html_content );
  			return true;
  		}
  
  		return ErrorMessage( 'Template file (' . basename( $template_name ) . ') does not exist.', __FILE__, __LINE__ );
  	}
  
  	function RenderOutput( $filename )
  	{
  		// Render the new template to a static page
  		@file_put_contents( $filename, $this->html_content );
  	}
  
  	function ParseTags( $content )
  	{
  		$pattern = '|<!--([A-Z_]+)-->|i';
  
  		if( @preg_match_all( $pattern, $content, $matches ) )
  		{
  			foreach( $matches[1] as $tag )
  			{
  				// Module exists, grab contenst and replace tag
  				if( @file_exists( $this->module_path . '/modules/' . strtolower( $tag ) . '.inc.php' ) )
  				{
  					$tag_content = $this->GrabModuleContent( $this->module_path . '/modules/' . strtolower( $tag ) . '.inc.php', false );
  					$content = str_replace( '<!--' . $tag . '-->', $tag_content, $content );
  				}
  				else if( @file_exists( $this->module_path . '/modules/' . strtolower( $tag ) . '.gen.php' ) )
  				{
  					$tag_content = $this->GrabModuleContent( $this->module_path . '/modules/' . strtolower( $tag ) . '.gen.php', true );
  					$content = str_replace( '<!--' . $tag . '-->', $tag_content, $content );
  				}
  				else
  				{
  					Message( 'Module (' . $tag . ') does not exist, ignoring...', __FILE__, __LINE__ );
  				}
  			}
  		}
  		return $content;
  	}
  
  	// Grab contents from a module, and store the result in a variable
  	function GrabModuleContent( $filename, $generate = false )
  	{
  		
  		if( @file_exists( $filename ) )
  		{
  			// use ob to intercept include, and place data into
  			// a variable to use in template
  			if( $generate )
  			{
  				@ob_start();
  					include $filename;
  					$output = @ob_get_contents();
  				@ob_end_clean();
  
  				return $output;
  			}
  			else
  			{
  				return '<?php include \'' . $filename . '\'; ?>';
  			}
  		}
  		return ErrorMessage( 'Module (' . basename( $filename ) . ') does not exist, can not parse...', __FILE__, __LINE__ );
  	}
  }
?>