<?php
/*
=====================================================
 DataLife Engine - by SoftNews Media Group 
-----------------------------------------------------
 http://dle-news.ru/
-----------------------------------------------------
 Copyright (c) 2004,2010 SoftNews Media Group
=====================================================
 Данный код защищен авторскими правами
=====================================================
 Файл: templates.class.php
-----------------------------------------------------
 Назначение: Парсинг шаблонов
=====================================================
*/

class dle_template {
	
	var $dir = '.';
	var $template = null;
	var $copy_template = null;
	var $data = array ();
	var $block_data = array ();
	var $result = array ('info' => '', 'vote' => '', 'speedbar' => '', 'content' => '' );
	var $allow_php_include = true;
	
	var $template_parse_time = 0;
	
	function set($name, $var) {
		if( is_array( $var ) && count( $var ) ) {
			foreach ( $var as $key => $key_var ) {
				$this->set( $key, $key_var );
			}
		} else
			$this->data[$name] = $var;
	}
	
	function set_block($name, $var) {
		if( is_array( $var ) && count( $var ) ) {
			foreach ( $var as $key => $key_var ) {
				$this->set_block( $key, $key_var );
			}
		} else
			$this->block_data[$name] = $var;
	}
	
	function load_template($tpl_name) {

		$time_before = $this->get_real_time();
		
		if( $tpl_name == '' || ! file_exists( $this->dir . DIRECTORY_SEPARATOR . $tpl_name ) ) {
			die( "Невозможно загрузить шаблон: " . $tpl_name );
			return false;
		}

		$this->template = file_get_contents( $this->dir . DIRECTORY_SEPARATOR . $tpl_name );

		if (strpos ( $this->template, "[aviable=" ) !== false) {
			$this->template = preg_replace ( "#\\[aviable=(.+?)\\](.*?)\\[/aviable\\]#ies", "\$this->check_module('\\1', '\\2')", $this->template );
		}
		
		if (strpos ( $this->template, "[not-aviable=" ) !== false) {
			$this->template = preg_replace ( "#\\[not-aviable=(.+?)\\](.*?)\\[/not-aviable\\]#ies", "\$this->check_module('\\1', '\\2', false)", $this->template );
		}

		if (strpos ( $this->template, "[not-group=" ) !== false) {
			$this->template = preg_replace ( "#\\[not-group=(.+?)\\](.*?)\\[/not-group\\]#ies", "\$this->check_group('\\1', '\\2', false)", $this->template );
		}
		
		if (strpos ( $this->template, "[group=" ) !== false) {
			$this->template = preg_replace ( "#\\[group=(.+?)\\](.*?)\\[/group\\]#ies", "\$this->check_group('\\1', '\\2')", $this->template );
		}

		if( strpos( $this->template, "{include file=" ) !== false ) {
			
			$this->template = preg_replace( "#\\{include file=['\"](.+?)['\"]\\}#ies", "\$this->load_file('\\1', 'tpl')", $this->template );
		
		}

		$this->copy_template = $this->template;
		
		$this->template_parse_time += $this->get_real_time() - $time_before;
		return true;
	}

	function load_file( $name, $include_file = "tpl" ) {
		global $db, $is_logged, $member_id, $cat_info, $config, $user_group, $category_id, $_TIME, $lang, $smartphone_detected, $dle_module;

		$name = str_replace( '..', '', $name );

		$url = @parse_url ($name);
		$type = explode( ".", $url['path'] );
		$type = strtolower( end( $type ) );

		if ($type == "tpl") {

			return $this->sub_load_template( $name );

		}

		if ($include_file == "php") {

			if ( !$this->allow_php_include ) return;

			if ($type != "php") return "To connect permitted only files with the extension: .tpl or .php";

			if ($url['path']{0} == "/" )
				$file_path = dirname (ROOT_DIR.$url['path']);
			else
				$file_path = dirname (ROOT_DIR."/".$url['path']);

			$file_name = pathinfo($url['path']);
			$file_name = $file_name['basename'];

			if ( stristr ( php_uname( "s" ) , "windows" ) === false )
				$chmod_value = @decoct(@fileperms($file_path)) % 1000;

			if ( stristr ( dirname ($url['path']) , "uploads" ) !== false )
				return "Include files from directory /uploads/ is denied";

			if ( stristr ( dirname ($url['path']) , "templates" ) !== false )
				return "Include files from directory /templates/ is denied";

			if ($chmod_value == 777 ) return "File {$url['path']} is in the folder, which is available to write (CHMOD 777). For security purposes the connection files from these folders is impossible. Change the permissions on the folder that it had no rights to the write.";

			if ( !file_exists($file_path."/".$file_name) ) return "File {$url['path']} not found.";

			if ( $url['query'] ) {

				parse_str( $url['query'] );

			}

			ob_start();
			$tpl = new dle_template( );
			$tpl->dir = TEMPLATE_DIR;
			include $file_path."/".$file_name;
			return ob_get_clean();

		}

		return '{include file="'.$name.'"}';


	}
	
	function sub_load_template( $tpl_name ) {
		
		$tpl_name = totranslit( $tpl_name );
		
		if( $tpl_name == '' || ! file_exists( $this->dir . DIRECTORY_SEPARATOR . $tpl_name ) ) {
			return "Отсутствует файл шаблона: " . $tpl_name ;
			return false;
		}
		$template = file_get_contents( $this->dir . DIRECTORY_SEPARATOR . $tpl_name );

		if (strpos ( $template, "[aviable=" ) !== false) {
			$template = preg_replace ( "#\\[aviable=(.+?)\\](.*?)\\[/aviable\\]#ies", "\$this->check_module('\\1', '\\2')", $template );
		}
		
		if (strpos ( $template, "[not-aviable=" ) !== false) {
			$template = preg_replace ( "#\\[not-aviable=(.+?)\\](.*?)\\[/not-aviable\\]#ies", "\$this->check_module('\\1', '\\2', false)", $template );
		}

		if (strpos ( $template, "[not-group=" ) !== false) {
			$template = preg_replace ( "#\\[not-group=(.+?)\\](.*?)\\[/not-group\\]#ies", "\$this->check_group('\\1', '\\2', false)", $template );
		}
		
		if (strpos ( $template, "[group=" ) !== false) {
			$template = preg_replace ( "#\\[group=(.+?)\\](.*?)\\[/group\\]#ies", "\$this->check_group('\\1', '\\2')", $template );
		}
		
		return $template;
	}

	function check_module($aviable, $block, $action = true) {
		global $dle_module;

		$aviable = explode( '|', $aviable );
		
		$block = str_replace( '\"', '"', $block );
		
		if( $action ) {
			
			if( ! (in_array( $dle_module, $aviable )) and ($aviable[0] != "global") ) return "";
			else return $block;
		
		} else {
			
			if( (in_array( $dle_module, $aviable )) ) return "";
			else return $block;
		
		}
	
	}

	function check_group($groups, $block, $action = true) {
		global $member_id;
		
		$groups = explode( ',', $groups );
		
		if( $action ) {
			
			if( ! in_array( $member_id['user_group'], $groups ) ) return "";
		
		} else {
			
			if( in_array( $member_id['user_group'], $groups ) ) return "";
		
		}
		
		$block = str_replace( '\"', '"', $block );
		
		return $block;
	
	}
	
	function _clear() {
		
		$this->data = array ();
		$this->block_data = array ();
		$this->copy_template = $this->template;
	
	}
	
	function clear() {
		
		$this->data = array ();
		$this->block_data = array ();
		$this->copy_template = null;
		$this->template = null;
	
	}
	
	function global_clear() {
		
		$this->data = array ();
		$this->block_data = array ();
		$this->result = array ();
		$this->copy_template = null;
		$this->template = null;
	
	}
	
	function compile($tpl) {
		
		$time_before = $this->get_real_time();
		
		if( count( $this->block_data ) ) {
			foreach ( $this->block_data as $key_find => $key_replace ) {
				$find_preg[] = $key_find;
				$replace_preg[] = $key_replace;
			}
			
			$this->copy_template = preg_replace( $find_preg, $replace_preg, $this->copy_template );
		}

		foreach ( $this->data as $key_find => $key_replace ) {
			$find[] = $key_find;
			$replace[] = $key_replace;
		}
		
		$this->copy_template = str_replace( $find, $replace, $this->copy_template );

		if( strpos( $this->copy_template, "{include file=" ) !== false ) {
			
			$this->copy_template = preg_replace( "#\\{include file=['\"](.+?)['\"]\\}#ies", "\$this->load_file('\\1', 'php')", $this->copy_template );
		
		}
		
		if( isset( $this->result[$tpl] ) ) $this->result[$tpl] .= $this->copy_template;
		else $this->result[$tpl] = $this->copy_template;
		
		$this->_clear();
		
		$this->template_parse_time += $this->get_real_time() - $time_before;
	}
	
	function get_real_time() {
		list ( $seconds, $microSeconds ) = explode( ' ', microtime() );
		return (( float ) $seconds + ( float ) $microSeconds);
	}
}
?>