<?php
include "templateExceptions.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! (Note, this is only for the BODY pages, ie, header, mid, footer, not for
 *	things like news pages, or where a template is needed in a template, see tempAdd.php for that.
 *
 *																  Daniel J. Enman
 *																  Saturday, June 24th 2006
 */

class template {
	/*
	 *	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 = array();
	public $replaceWith = array();
	public $midfile;
	public $content;
	public $tempname;
	/*
	 *	Our constructor, this will only work in PHP5, for >PHP4 use __construct()
	 */
	function template($tempname){
		$this->tempname = $tempname;
		/*
		 *	Check to see if some very important files exists
		 */
		if(!is_dir($tempname)){
			die("There is no template with that name. Sucka.");
		}else if(!file_exists($tempname."/main.html")){
			die("There is no file named ".$tempname."/main.html");
		}else if(!file_exists($tempname."/main.css")){
			die("There is no css file (".$tempname."/main.css)");
		}else if(!file_exists($tempname."/header.html")){
			die("There is no header file");
		}else if(!file_exists($tempname."/footer.html")){
			die("There is no footer file");
		}
	}
	/*
	 *	Build the entire contents, and once we have it, we can do everything else we want to it later!
	 */
	function buildContents($midfile){
		$content = 0;
		$this->midfile = $this->tempname."/".$midfile;
		
		if(!file_exists($this->midfile)){
			die("The file you are trying to use as a template doesnt exists (error: 001)");
		}
		// Catch the header file
		$tr = @fopen($this->tempname."/header.html", 'r');
		if($tr){
			$content = fread($tr, filesize($this->tempname."/header.html"));
		}else{
			die("Could not read the file");
		}
		// Release the file back into the wild!
		unset($tr);
		// Catch the middle file
		$tr = @fopen($this->midfile, 'r');
		if($tr){
			$content .= fread($tr, filesize($this->midfile));
		}
		// NOW we're rollin', let's release this file too.
		unset($tr);
		// Catch the footer
		$tr = @fopen($this->tempname."/footer.html", 'r');
		if($tr){
			$content .= fread($tr, filesize($this->tempname."/footer.html")); 
		}
		$this->content = $content;
	}
	/*
	 * Get all the replacements in an array
	 */
	function replacements($replace, $with){
		$i = count($this->doReplace);
		$j = count($this->replaceWith);
		$this->doReplace[$i] = $replace;
		$this->replaceWith[$j] = $with;
	}
	
	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->doInclude();
		return $this->content;
	}
	
}
$temp = new template("main");
$temp->buildContents("urgeboxes.html");
$temp->replacements('YAR!','title');
$temp->replacements('f', 'hi');
$temp->doReplacements();
echo $temp->parseTemplate();
?>