AlecRabbit\WCWidth\Kernel\UnicodeVersion

Complexity

Total Complexity

12

Size/Duplication

Total Lines	64
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	refine()	0	7	2
A	setVersion()	0	3	1
A	assertVersion()	0	7	2
A	reset()	0	3	1
A	__construct()	0	2	1
A	getVersion()	0	3	1
A	doRefine()	0	10	3
A	latest()	0	4	1

<?php

declare(strict_types=1);

Header blocks must be separated by a single blank line

// 02.03.23
namespace AlecRabbit\WCWidth\Kernel;

use AlecRabbit\WCWidth\Kernel\Contract\IUnicodeVersion;

Header blocks must not contain blank lines

use InvalidArgumentException;

use function in_array;

use const AlecRabbit\WCWidth\UNICODE_VERSIONS;

The constant AlecRabbit\WCWidth\UNICODE_VERSIONS was not found. Maybe you did not declare it correctly or list all dependencies?

/** @internal */
final class UnicodeVersion implements IUnicodeVersion
{
    private static ?string $useVersion = null;

    // @codeCoverageIgnoreStart
    private function __construct()
    {
        // no instances
    }

    // @codeCoverageIgnoreEnd

    public static function setVersion(string $version): void
    {
        self::$useVersion = self::doRefine($version);
    }

    private static function doRefine(?string $version): string
    {
        if ('latest' === $version || null === $version) {
            $version = self::latest();
        }

        self::assertVersion($version);

        return
            $version;
    }

    public static function latest(): string
    {
        return
            UNICODE_VERSIONS[array_key_last(UNICODE_VERSIONS)];
    }

    private static function assertVersion(string $version): void
    {
        if (!in_array($version, UNICODE_VERSIONS, true)) {
            throw new InvalidArgumentException(
                sprintf(
                    'Unknown Unicode version: %s',
                    $version
                )
            );
        }
    }

    public static function getVersion(): ?string
    {
        return self::$useVersion;
    }

    public static function reset(): void
    {
        self::$useVersion = null;
    }

    public static function refine(?string $version): string
    {
        if (self::$useVersion) {
            return self::$useVersion;
        }

        return self::doRefine($version);
    }

}