smartemailing/types

<?php

declare(strict_types = 1);

namespace SmartEmailing\Types;

use Nette\Utils\Strings;
use SmartEmailing\Types\Comparable\ComparableInterface;
use SmartEmailing\Types\Comparable\StringComparableTrait;
use SmartEmailing\Types\ExtractableTraits\StringExtractableTrait;

final class ContentType implements ToStringInterface, ComparableInterface
{

    use StringExtractableTrait;
    use ToStringTrait;
    use StringComparableTrait;

    private string $value;

    private string $type;

    private string $subType;

    private function __construct(
        string $value
    )
    {
        $typeRegex = '[a-z]+';
        $subTypeRegex = '[a-z]{1}[0-9a-z\.\-\+]+';

        $match = Strings::match($value, '~^(' . $typeRegex . ')/(' . $subTypeRegex . ')$~');

        if ($match === null) {
            throw new InvalidTypeException('Invalid content type: ' . $value);
        }

        $this->value = StringType::extract($match, '0');
        $this->type = StringType::extract($match, '1');
        $this->subType = StringType::extract($match, '2');
    }

    public function getValue(): string
    {
        return $this->value;
    }

    public function getType(): string
    {
        return $this->type;
    }

    public function getSubType(): string
    {
        return $this->subType;
    }

}