<?php
    if(!DEFINED('EGP'))
        exit(header('Refresh: 0; URL=http://'.$_SERVER['SERVER_NAME'].'/404'));

    class html
    {
        var $dir = TPL;
        var $template = null;
        var $data = array();
        var $unitblock = array();
        public $arr;
        public $select_template;

        public function set($name, $var, $unset = false)
        {
            $this->data['['.$name.']'] = $var;

            if($unset)
                unset($this->arr[$name]);

            return NULL;
        }

        public function unit($name, $var = false, $mirror = false)
        {
            $block = str_replace($name, "'\\|".$name."\\|(.*?)\\|_".$name."\\|'si", $name);

            $var = $var ? '\\1' : '';

            $this->unitblock[$block] = $var;

            if($mirror)
            {
                $block = str_replace($name, "'\\|!".$name."\\|(.*?)\\|_!".$name."\\|'si", $name);

                $var = !$var ? '\\1' : '';

                $this->unitblock[$block] = $var;
            }

            return NULL;
        }

        public function nav($name, $link = false)
        {
            $this->get('nav');
                if($link)
                {
                    $this->set('link', $link);
                    $this->unit('link', 1, 1);
                }else
                    $this->unit('link', 0, 1);
                $this->set('name', $name);
            $this->pack('nav');

            return NULL;
        }

        public function get($name, $path = '')
        {
            global $device, $cfg;

            $path_root = $device == '!mobile' ? '' : 'megp/';

            $path = $path_root.$path;

            if($path != '')
                $name = str_replace('//', '/', $path.'/'.$name);

            if(!file_exists($this->dir.'/'.$name.'.html'))
            {
                $route = explode('/', $name);
                $namefile = end($route);
                $dir = $this->dir.str_replace($namefile, '', $name);

                die('Error: html file <u>'.$namefile.'.html</u> not found in: <u>'.$dir.'</u>');
            }

            $this->template = file_get_contents($this->dir.'/'.$name.'.html');
            $this->select_template = $this->template;

            return NULL;
        }

        private function delete()
        {
            unset($this->data);
            unset($this->unitblock);

            $this->select_template = $this->template;

            return NULL;
        }

        public function pack($compile)
        {
            if(isset($this->unitblock))
            {
                $find_preg = array();
                $replace_preg = array();

                foreach($this->unitblock as $key_find => $key_replace)
                {
                    $find_preg[] = $key_find;
                    $replace_preg[] = $key_replace;
                }

                $this->select_template = preg_replace($find_preg, $replace_preg, $this->select_template);
            }

            $find = array();
            $replace = array();

            if(isset($this->data))
            {
                foreach($this->data as $key_find => $key_replace)
                {
                    $find[] = $key_find;
                    $replace[] = $key_replace;
                }
            }

            $this->select_template = str_replace($find, $replace, $this->select_template);

            if(isset($this->arr[$compile]))
                $this->arr[$compile] .= $this->select_template;
            else
                $this->arr[$compile] = $this->select_template;

            $this->delete();

            return NULL;
        }

        public function upd($name, $old = array(), $new = array())
        {
            $this->arr[$name] = str_replace($old, $new, $this->arr[$name]);

            return NULL;
        }

        public function unitall($name, $arr = array(), $var = false, $mirror = false)
        {
            $block = str_replace($name, "'\\|".$name."\\|(.*?)\\|_".$name."\\|'si", $name);

            $var = $var ? '\\1' : '';

            $this->unitblock[$block] = $var;

            if($mirror)
            {
                $block = str_replace($name, "'\\|!".$name."\\|(.*?)\\|_!".$name."\\|'si", $name);

                $var = !$var ? '\\1' : '';

                $this->unitblock[$block] = $var;
            }

            if(count($this->unitblock))
            {
                foreach($this->unitblock as $key_find => $key_replace)
                {
                    $find_preg[] = $key_find;
                    $replace_preg[] = $key_replace;
                }

                $this->arr[$arr] = preg_replace($find_preg, $replace_preg, $this->arr[$arr]);
            }

            return NULL;
        }
    }

    $html = new html;
?>