Elao\Enum\AutoDiscoveredValuesTrait

Complexity

Total Complexity

9

Size/Duplication

Total Lines	61
Duplicated Lines	8.2 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	values()	0	4	1
A	choices()	0	13	2
B	autodiscoveredValues()	5	25	6

<?php

/*
 * This file is part of the "elao/enum" package.
 *
 * Copyright (C) Elao
 *
 * @author Elao <contact@elao.com>
 */

namespace Elao\Enum;

use Elao\Enum\Exception\LogicException;

/**
 * Auto-discover enumerated values from public constants.
 */
trait AutoDiscoveredValuesTrait
{
    /** @var array */
    private static $guessedValues = [];

    /**
     * @see EnumInterface::values()
     *
     * @return int[]|string[]
     */
    public static function values(): array
    {
        return static::autodiscoveredValues();
    }

    /**
     * @see ChoiceEnumTrait::choices()
     */
    protected static function choices(): array
    {
        if (!in_array(ChoiceEnumTrait::class, class_uses(self::class, false), true)) {
            throw new LogicException(sprintf(
                'Method "%s" is only meant to be used when using the "%s" trait which is not used in "%s"',
                __METHOD__,
                ChoiceEnumTrait::class,
                static::class
            ));
        }

        return array_combine(static::autodiscoveredValues(), static::autodiscoveredValues());
    }

    /**
     * @internal
     */
    private static function autodiscoveredValues(): array
    {
        $enumType = static::class;

        if (!isset(self::$guessedValues[$enumType])) {
            $r = new \ReflectionClass($enumType);
            $values = $r->getConstants();

            if (PHP_VERSION_ID >= 70100) {

This code seems to be duplicated across your project.

                $values = array_filter($values, function (string $k) use ($r) {
                    return $r->getReflectionConstant($k)->isPublic();
                }, ARRAY_FILTER_USE_KEY);
            }

            if (is_a($enumType, FlaggedEnum::class, true)) {
                $values = array_filter($values, function ($v) {
                    return is_int($v) && 0 === ($v & $v - 1) && $v > 0;
                });
            }

            self::$guessedValues[$enumType] = array_values($values);
        }

        return self::$guessedValues[$enumType];
    }
}