<?php
/*
 *	URGE Template Engine, for URGE BaseStation (and Bytekill?)
 *
 *	This is nothing big, nothing like Smarty, but something a lot lighter, and more workable with what URGE needs.
 *	Not that many people will know the backend of things in URGE (unless it becomes part of the Bytekill code
 *	eventually). Until then, enjoy!
 *
 *																  Daniel J. Enman
 *																  Saturday, June 24th 2006
 */

/*
 *	This file is very similar the EntireContents.php file, with some minor changes
 */

class SinglePage {
	/*
	 *	All te variable names should be self-explainatory, $doReplace is what the repleacements are going to be, 
	 *	$midfile is the file(s) between the header and footer, $content is the entire file to be parsed, and 
	 *	$tempname is the name of the template.
	 */
	public $doReplace;
	public $replaceWith;
	public $doReplaceArray;
	public $replaceWithArray;
	private $content;
	public $tempname;
	public $filename;
	/*
	 *	Our constructor, this will only work in PHP5, for >PHP4 use __construct()
	 */
	function SinglePage($tempname, $filename){
		$this->tempname = $tempname;
		$this->filename = $filename;
		$this->file = $tempname."/".$filename;
		/*
		 *	Check to see if some very important files exists
		 */
		if(!is_dir($tempname)){
			die("There is no template with that name.");
		}else if(!file_exists($this->file)){
			die("There is no file named ".$this->file);
		}
	}
	/*
	 *	Build the entire contents, and once we have it, we can do everything else we want to it later!
	 */
	function buildContents(){
		$content = NULL;
		
		if(!file_exists($this->file)){
			die("The file you are trying to use as a template doesnt exists (error: 001)");
		}
		// Catch the file
		$tr = @fopen($this->file, 'r');
		if($tr){
			$content = fread($tr, filesize($this->file));
		}
		// NOW we're rollin', let's release this file too.
		unset($tr);
		$this->content = $content;
	}
	/*
	 * Get all the replacements in an array
	 */
	function replace($replace, $with){
		if(!is_array($with)){
			$i = count($this->doReplace);
			$j = count($this->replaceWith);
			$this->doReplace[$i] = $replace;
			$this->replaceWith[$j] = $with;
		}else{
			$this->replaceArray($replace, $with);
		}
	}
	
	function replaceArray($replace, $with){
		$j = count($this->doReplaceArray);
		$n = count($this->replaceWithArray);
		if($n!=$j){
			if($n>$j){
				$ar = $n;
			}else{
				$ar = $j;
			}
		}else{
			$ar = $j;
		}
		$withi = count($with);
		for($i=0;$i<=count($withi);$i++){
			$this->doReplaceArray[$ar][$i] = $replace;
			$this->replaceWithArray[$ar][$i] = $with[$i];
		}
	}
	
	function doReplacements(){
		for($i=0;$i<count($this->doReplace);$i++){
			while(preg_match_all('/%'.$this->doReplace[$i].'%/i', $this->content, $matches)>0){
				$this->content = preg_replace('/%'.$this->doReplace[$i].'%/i', $this->replaceWith[$i], $this->content);
			}
		}
	}
	
	function doInclude(){
		while(preg_match_all("/%include=((\.+)?(\/?\w+\/)?(\/)?(\w+\.php))/i", $this->content, $matches)>0){
			$includes = preg_match("/%include=((\.+)?(\/?\w+\/)?(\/)?(\w+\.php))/i", $this->content , $matches);
			$this->content = preg_replace("/%include=((\.+)?(\/?\w+\/)?(\/)?(\w+\.php))/i", '', $this->content);
			include($matches[1]);
		}
	}
	
	function parseTemplate(){
		$this->doReplacements();
		$this->doInclude();
		return $this->content;
	}
}
$temp = new SinglePage("main", "this.html");
$temp->buildContents();
$temp->replace('date', array(date(r), date('D M d Y')));
$temp->replace('hi', 'Hello');
echo $temp->parseTemplate();
?>