<?php

/***************************************************
 * Image CMS Template Engine (Mabilis TPL)
 *
 * Simple template engine for Image CMS based on regular expressions search and replace. 
 *
 * author: dev@imagecms.net
 * version: 0.3 PHP5
 ***************************************************/

class Mabilis {

    private $compiler = NULL;
    private $config = NULL;

    public function __construct(&$config = array())
    {
        $this->load_config($config);
    }

    /**
     * Display or fetch template file
     */ 
    public function view($file, $data = array(), $return = FALSE)
    {
        // Delete double .tpl.tpl
        $file = preg_replace('/.tpl.tpl/', '.tpl', $file);

        if (preg_match('/file:/', $file, $_Matches))
        {
            $file_dir = preg_replace('/\/\//','/', $file);
            $file_dir = preg_replace('/file\:/','', $file_dir);
        }else{
            $file_dir = $this->config->tpl_path . $file; 
        }

        if (preg_match('/application\/modules/', $file_dir, $mm))
        {
            $newFile = explode('application/modules', $file_dir);
            $new_file_dir = $this->config->tpl_path. 'modules' . $newFile[1];

            if (file_exists($new_file_dir))
            {
                $file_dir = $new_file_dir;
            }
        }

        $compiled_file = $this->config->compile_path . md5($file_dir) . $this->config->compiled_ext;

        if ( ! file_exists( $compiled_file ) OR $this->config->force_compile == TRUE  )
        {
            // Compile file
            $this->load_compiler();
            $this->compiler->compile($file_dir);
        }

        extract($data);

        ob_start();

        if (file_exists($compiled_file))
        {            
            include ($compiled_file);
        }else{
            print '<p class="error">Error: '.$compiled_file. ' does not exists!</p>';
        }

        // Time to live expried
        if ($mabilis_ttl <= time())
        {
            @unlink( $compiled_file );
        }

        if ($this->config->use_filemtime == TRUE AND $mabilis_last_modified != @filemtime($file_dir))
        {
            @unlink( $compiled_file );
        }


        if ($return == TRUE)
        {
            $buffer = ob_get_contents();                       
            ob_end_clean();
            return $buffer;
        }

        ob_end_flush();
    }

    public function load_config($config = array())
    {
        if (extension_loaded('zlib') AND $config['compress_output'] == TRUE)
        {
            if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) AND strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
            {
                ob_start('ob_gzhandler');
            }
        }

        if ($this->config == NULL)
        {
            include 'Config.class.php';
            $this->config = new Mabilis_Config($config);
        }

        return TRUE;
    }

    public function set_config_value($param, $value)
    {
        $this->config->$param = $value;
    }

    public function get_config_value($param)
    {
        if (isset($this->config->$param))
        {
            return $this->config->$param;
        }
    }

    /**
     * Load compiler class if not loaded yet
     */ 
    public function load_compiler()
    {
        if ($this->compiler == NULL)
        {
            include 'Mabilis.compiler.php';
            $this->compiler = new Mabilis_Compiler($this->config);
        }

        return TRUE;
    }

}

/* End of Mabilis.class.php */