Riimu\Kit\BaseConversion\DigitList\StringDigitList

Complexity

Total Complexity

3

Size/Duplication

Total Lines	26
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	12	3

<?php

namespace Riimu\Kit\BaseConversion\DigitList;

/**
 * Handles a list of digits provided as a string.
 * @author Riikka Kalliomäki <riikka.kalliomaki@gmail.com>
 * @copyright Copyright (c) 2015-2017 Riikka Kalliomäki
 * @license http://opensource.org/licenses/mit-license.php MIT License
 */
class StringDigitList extends AbstractDigitList
{
    /**
     * Creates a new instance of StringDigitList.
     *
     * The list of digits must be provided as a string. Each character
     * represents a single digit and the position in the string represents the
     * value for that digit. For example, base 16 could be defined as
     * `0123456789ABCDEF`.
     *
     * @param string $digits Digits for the numeral system
     * @throws \InvalidArgumentException If the list of digits is invalid
     */
    public function __construct($digits)
    {
        if (strlen($digits) < 2) {
            throw new \InvalidArgumentException('Number base needs at least 2 characters');
        } elseif (strlen(count_chars($digits, 3)) !== strlen($digits)) {
            throw new \InvalidArgumentException('Number base cannot have duplicate characters');
        }

        $this->digits = str_split($digits);
        $this->stringConflict = false;
        $this->setValueMap(array_flip($this->digits));
    }
}