kalanis\RemoteRequest\Protocols\Fsp\Strings

Complexity

Total Complexity

8

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	cutter()	0	3	1
A	filler()	0	7	1
A	mb_chr()	0	6	2
A	mb_ord()	0	8	4

<?php

namespace kalanis\RemoteRequest\Protocols\Fsp;


/**
 * Class Strings
 * @package kalanis\RemoteRequest\Protocols\Fsp
 * Process strings and integers in FSP
 */
class Strings
{
    public static function mb_chr(int $number): string
    {
        $part = intval(round($number / 256));
        return
            ((0 < $part) ? static::mb_chr($part) : '')
            . chr($number % 256);
    }

    public static function mb_ord(string $str): int
    {
        $len = strlen($str);
        $char = (1 < $len) ? substr($str, $len - 1) : $str;
        $next = (1 < $len) ? substr($str, 0, $len - 1) : '' ;
        return
            ( (!empty($next)) ? ( static::mb_ord($next) * 256 ) : 0 )
            + ord($char) ;
    }

    public static function filler(int $input, int $length): string
    {
        return str_pad(
            substr(static::mb_chr($input), 0, $length),
            $length,
            chr(0),
            STR_PAD_LEFT);
    }

    public static function cutter(string $data, int $start, int $length): int
    {
        return static::mb_ord(substr($data, $start, $length));
    }
}