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<?php declare(strict_types=1);
namespace Stratadox\Parser\Parsers;
use Stratadox\Parser\Parser;
use Stratadox\Parser\Result;
use Stratadox\Parser\Results\Error;
use Stratadox\Parser\Results\Ok;
use function str_starts_with;
use function strlen;
use function substr;
/**
* Text
*
* Matches the predefined string, or returns an error result indicating where the input starts becoming
* different. Multibyte safe, somehow, I think. If not, let me know.
*/
final class Text extends Parser
{
private int $length;
public function __construct(private string $text)
$this->length = strlen($this->text);
}
public static function is(string $text): Parser
return new self($text);
public function parse(string $input): Result
if (str_starts_with($input, $this->text)) {
return Ok::with($this->text, substr($input, $this->length));
return Error::in(substr($input, strspn($input ^ $this->text, "\0")));
Stratadox /
Parser
