League\Torrent\Helper\Encoder

Complexity

Total Complexity

11

Size/Duplication

Total Lines	64
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	5
Bugs	1	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
B	encode()	0	14	5
A	encodeString()	0	4	1
A	encodeInteger()	0	4	1
A	encodeArray()	0	16	4

<?php

namespace League\Torrent\Helper;

use \InvalidArgumentException;

class Encoder
{
    /**
     * @param $mixed
     *
     * @return string
     */
    public static function encode($mixed)
    {
        if (is_numeric($mixed)) {
            return self::encodeInteger($mixed);
        }
        if (is_array($mixed)) {
            return self::encodeArray($mixed);
        }
        if (is_string($mixed) || is_null($mixed)) {
            return self::encodeString((string) $mixed);
        }

        throw new InvalidArgumentException('Variables of type ' . gettype($mixed) . ' can not be encoded.');
    }

    /**
     * @param string $string
     *
     * @return string
     */
    public static function encodeString($string)
    {
        return strlen($string) . ':' . $string;
    }

    /**
     * @param $integer
     *
     * @return string
     */
    public static function encodeInteger($integer)
    {
        return 'i' . $integer . 'e';
    }

    /**
     * @param $array
     *
     * @return string
     */
    public static function encodeArray($array)
    {
        if (FileSystem::is_list($array)) {
            $return = 'l';
            foreach ($array as $value) {
                $return .= self::encode($value);
            }
        } else {
            ksort($array, SORT_STRING);
            $return = 'd';
            foreach ($array as $key => $value) {
                $return .= self::encode(strval($key)) . self::encode($value);
            }
        }
        return $return . 'e';
    }
}