<?php



/**

 * AME - The Automatic Media Embedder 3.0.1

 * Copyright ©2009-2010 All rights reserved by sweetsquared.com

 * This code may not be used in whole or part without explicit written

 * permission from Samuel Sweet [samuel@sweetsquared.com].

 * You may not distribute this or any of the associated files in whole or significant part

 * without explicit written permission from Samuel Sweet [samuel@sweetsquared.com]

 */



if (!defined("AME"))

{

	

	die("You cannot directly call this file from outside of the AME system.");

	

}



/**

 * This baby takes an array (i.e. data structure)

 * and writes it out into a php file which can be 'included'

 * into code instead of querying the DB and building the array up.

 * Note: This class asserts all data is correct!

 */

class AME_file_cache

{

	

	/**

	 * Full path to writeable folder where we dump our load

	 *

	 * @var unknown_type

	 */

	var $path;

	

	/**

	 * The name of the file we will overwrite. We are appending .php

	 *

	 * @var unknown_type

	 */

	var $filename;

	

	/**

	 * The array we will be flattening out

	 *

	 * @var unknown_type

	 */

	var $data;

	

	/**

	 * The textual representation of the array

	 *

	 * @var unknown_type

	 */

	var $content;

	

	/**

	 * header. Used to include a defined check by default

	 *

	 * @var unknown_type

	 */

	var $header;	

	

	/**

	 * Constructor

	 *

	 * @param string 	$path		writeable folder

	 * @param string 	$filename	filename to write

	 * @return AME_file_cache

	 */

	function AME_file_cache($path = '', $filename = '')

	{

		

		$this->path 	= $path;

		$this->filename	= $filename;

		$this->header	= "if (!defined(AME))\n{\n\tdie(\"You cannot directly call this file from outside of the AME system.\");\n}";

	

	}

	

	/**

	 * Verifies path is indeed a valid directory

	 *

	 * @param 	string 	$path

	 * @return 	boolean

	 */

	function verify_path_exists($path = '')

	{

		

		if (!$path && $this->path)

		{

			

			$path = $this->path;

			

		}

		

		return dir($path);

				

	}	

	

	/**

	 * Tests path is writeable

	 *

	 * @param	string $path to test

	 * @return	boolean

	 */	

	function verify_path_writeable($path = '')

	{

		

		$result = false;

		

		if (!$path && $this->path)

		{

			

			$path = $this->path;

			

		}

		

		$this->write(

		

			array(

			

				'path' 		=> $path,

				'filename' 	=> 'testiname',

				'content' 	=> '//yo there'

				

			)

			

		);



		if (file_exists($path . "/testiname.php"))

		{

			

			unlink($path . "/testiname.php");

			$result = true;

			

		}

	

		return $result;

		

	}

	

    /**

     * Creates textual version of an array

     *

     * @param array $array	array to convert

     * @param string $title	i.e. $ameinfo

     * @return string		textual content of array

     */

    function save($array, $root)

    {

    	

    	$this->data = $array;

    	$this->root = $root;

    	

		if (is_array($array))

		{

			

			$return	= "<?php\n$root = array(\n";

			$return .= $this->write_array_sub($this->data, 1);

			$return .=");\n?>";

			

		}

            

		$this->content = $return;

		$this->write();

		

    }



    /**

     * designed to be overloaded to walk nested arrays

     *

     * @param array $array		array to walk

     * @param int 	$depth		depth of array (for recursion)

     * @return string			textual representation of array and children

     */

    protected function write_array_sub($array, $depth = 1)

    {

    	

            $pre 	= str_pad("\t", $depth * 3);

            $return = "";



            foreach($array as $key => $value)

            {

            	

                    if (is_array($value))

                    {

                    	

                            $return .= "$pre'$key' => array(\n";

                            $return .= $this->write_array_sub($value, ($depth + 1));

                            $return .= "$pre),\n";

                            

                    }

                    else

                    {

                    	

                            $return .= "$pre'$key'\t\t\t=>'" . str_replace(array("\'", "'"), array("\\\'", "\'"), $value) . "',\n";

                    

                    }

            }

            

            return $return;

    }

    

    /**

     * Wrties $data to the $filename.php in the $path.

     * @param optional array that can override internal variables

     */

    protected function write($info = array())

    {

    	

    	$path 		= !$info['path'] && $this->path ? $this->path : $info['path'];

    	$content 	= !$info['content'] && $this->content ? $this->content : $info['content'];

    	$filename	= !$info['filename'] && $this->filename ? $this->filename : $info['filename'];

    	

    	if ($content)

    	{

    		

            if (is_dir($path))

            {

            	

                    $fput = @fopen($path . $filename . ".php", "w");

                    @fputs ($fput, $content);

                    @fclose($fput);

                    

            }

            

    	}

    	

    }    

	

}





?>