Doctrine\Inflector\Rules\Substitutions

Complexity

Total Complexity

8

Size/Duplication

Total Lines	46
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	2
A	getRegex()	0	7	2
A	getFlippedSubstitutions()	0	12	2
A	inflect()	0	7	2

<?php

declare(strict_types=1);

namespace Doctrine\Inflector\Rules;

use Doctrine\Inflector\WordInflector;
use function array_keys;
use function implode;
use function preg_match;
use function strtolower;
use function substr;

class Substitutions implements WordInflector
{
    /** @var Substitution[] */
    private $substitutions;

    /** @var string|null */
    private $regex;

    public function __construct(Substitution ...$substitutions)
    {
        foreach ($substitutions as $substitution) {
            $this->substitutions[$substitution->getFrom()->getWord()] = $substitution;
        }
    }

    public function getFlippedSubstitutions() : Substitutions
    {
        $substitutions = [];

        foreach ($this->substitutions as $substitution) {
            $substitutions[] = new Substitution(
                $substitution->getTo(),
                $substitution->getFrom()
            );
        }

        return new Substitutions(...$substitutions);
    }


    public function inflect(string $word) : string
    {
        if (preg_match('/(.*)\\b(' . $this->getRegex() . ')$/i', $word, $regs) === 1) {
            return $regs[1] . $word[0] . substr($this->substitutions[strtolower($regs[2])]->getTo()->getWord(), 1);
        }

        return $word;
    }

    private function getRegex() : string
    {
        if ($this->regex === null) {
            $this->regex = '(?:' . implode('|', array_keys($this->substitutions)) . ')';
        }

        return $this->regex;
    }
}