Dimtrovich\DbDumper\CaseConverter

Complexity

Total Complexity

6

Size/Duplication

Total Lines	50
Duplicated Lines	0 %

Importance

Changes	2
Bugs	0	Features	2

2 Methods

Rating	Name	Duplication	Size	Complexity
A	toDot()	0	11	2
A	toSnake()	0	19	4

<?php

/**
 * This file is part of dimtrovich/db-dumper".
 *
 * (c) 2024 Dimitri Sitchet Tomkeu <devcode.dst@gmail.com>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Dimtrovich\DbDumper;

abstract class CaseConverter
{
    /**
     * The cache of dot-cased words.
     */
    protected static array $dotCache = [];

    /**
     * The cache of snake-cased words.
     */
    protected static array $snakeCache = [];

    /**
     * Convert a string to dot notation.
     */
    public static function toDot(string $value): string
    {
        $key = $value;

        if (isset(static::$dotCache[$key])) {
            return static::$dotCache[$key];
        }

        $value = self::toSnake($value);

        return static::$dotCache[$key] = str_replace('_', '.', $value);
    }

    /**
     * Convert a string to snake case.
     */
    public static function toSnake(string $value): string
    {
        $key = $value;

        if (isset(static::$snakeCache[$key])) {
            return static::$snakeCache[$key];
        }

        if (! ctype_lower($value)) {
            $value = preg_replace('/\s+/u', '', ucwords($value));

            $value = strtolower(preg_replace('/(.)(?=[A-Z])/u', '$1_', $value));
        }

        if ($value === $key) {
            $value = str_replace(['-', '.'], '_', $value); // hack for kebab case and dot annotation
        }

        return static::$snakeCache[$key] = $value;
    }
}