<?php
 /*
  * @author manyrus
  */

abstract class Parse{
    /**
     * @abstract
     * @param string $string string|path to file
     * @return array string parsed data
     */
    abstract public function decode($string);
}

abstract class Xml extends Parse{
    /**
     * @param SimpleXMLElement $xml
     * @return array parsed xml
     */
     protected function simpleXmlToArray($xml) {
        $array = $xml;
        $newArray = array();
        $array = (array) $array;
        foreach ($array as $key => $value) {
            $value = (array) $value;
            if (isset($value [0])) {
                $newArray [$key] = trim($value [0]);
            } else {
                if(!empty($array[$key])) {
                    $newArray [$key] = $this->simpleXmlToArray($value);
                } else {
                    $newArray [$key] ='';
                }
            }
        }
        return $newArray;
    }
}

abstract class Ini extends Parse{}

class ParseXmlFile extends Xml{
    /**
     * @param string $file
     * @see Parse
     */
    public function decode($file) {
        return $this->simpleXmlToArray(simplexml_load_file($file));
    }
}

class ParseXmlString extends Xml{
    /**
     * @param string $str
     * @see Parse
     */
    public function decode($str) {
        return $this->simpleXmlToArray(simplexml_load_string($str));
    }

}

class ParseIniFile extends Ini{
    /**
     * @param string $file
     * @see Parse
     */
    public function decode($file) {
        return parse_ini_file($file);
    }

}

class ParseIniString extends Ini{
    /**
     * @param string $str
     * @see Parse
     */
    public function decode($str) {
        return parse_ini_string($str);
    }

}
abstract class ParseFactory {
    /**
     * const of type
     */
    const XML = 0;
    const INI = 1;
    /**
     * @static
     * @abstract
     * @param const $type
     * @return Parse
     */
    abstract public static function createFactory($type);
}

class ParseStringFactory extends ParseFactory{
    /**
     * @see ParseFactory
     */
    public static function createFactory($type)
    {
        switch($type) {
            case self::INI:
                return new ParseIniString();
                break;
            case self::XML:
                return new ParseXmlString();
                break;
        }
    }
}

class ParseFileFactory extends ParseFactory{
    /**
     * @see ParseFactory
     */
    public static function createFactory($type)
    {
        switch($type) {
            case self::INI:
                return new ParseIniFile();
                break;
            case self::XML:
                return new ParseXmlFile();
                break;
        }
    }
}