<?php
// +-------------------------------------------------+
// © 2002-2005 PMB Services / www.sigb.net pmb@sigb.net et contributeurs (voir www.sigb.net)
// +-------------------------------------------------+
// $Id: docbnf_zip.class.php,v 1.3 2013/04/17 12:45:51 arenou Exp $


if (stristr ($_SERVER['REQUEST_URI'], ".class.php")) die("no access");

require_once($class_path."/docbnf.class.php");
	
class docbnf_zip extends docbnf {
	public $tab_entries = array();
	public $sizes =  array();
	public $tmp_path = array();
	
	protected function parse(){
		
		$this->zip = zip_open($this->path);
		if ($this->zip) {
			while ($zip_entry = zip_read($this->zip)) {
				$zip_entry_name = strtolower(zip_entry_name($zip_entry));
				$this->tab_entries[$zip_entry_name] = $zip_entry;
			}
		}
		ksort($this->tab_entries);
		
		foreach($this->tab_entries as $path => $ressource){
			$this->ref = str_replace("/","",$path);
			break;
		}
		$refnum_path = $this->ref."/x".$this->ref.".xml";
		if($this->file_exists($refnum_path)){
			$this->refnum = new domDocument();
			$this->refnum->loadXML($this->get_file_content($refnum_path));
			return true;																		
		}else{
			return false;
		}
	}

	//retourne le path interne au fichier
	public function get_file_path($file){
		return strtolower($this->ref."/".$file);
	}
	
	//retourne le contenu d'un fichier
	public function get_file_content($file_path){
		if(!$this->tmp_path[$file_path]){
			$this->tmp_path[$file_path]=array_search('uri', @array_flip(stream_get_meta_data($GLOBALS[mt_rand()]=tmpfile())));
			$fp = fopen($this->tmp_path[$file_path], "w+");
			$content = zip_entry_read($this->tab_entries[$file_path],zip_entry_filesize($this->tab_entries[$file_path]));
			fwrite($fp, $content);
			fclose($fp);
		}else{
			$content = file_get_contents($this->tmp_path[$file_path]);
		}
		return $content;
	}
	
	//retourne un chemin vers le fichier
	public function get_file($file_path){
		if(!$this->tmp_path[$file_path]){
			$this->get_file_content($file_path);
		}
		return $this->tmp_path[$file_path];
	}
	
	public function file_exists($file_path){
		if(isset($this->tab_entries[$file_path])){
			return true;
		}else{
			return isset($this->tab_entries[$file_path."/"]);
		}
	}
}