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<?php |
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declare(strict_types = 1); |
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namespace Innmind\Immutable; |
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use Innmind\Immutable\Exception\{ |
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LogicException, |
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InvalidRegex, |
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}; |
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/** |
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* @psalm-immutable |
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*/ |
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final class RegExp |
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{ |
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private string $pattern; |
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10 |
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1 |
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private function __construct(string $pattern) |
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{ |
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if (@\preg_match($pattern, '') === false) { |
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/** @psalm-suppress ImpureFunctionCall */ |
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throw new LogicException($pattern, \preg_last_error()); |
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} |
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$this->pattern = $pattern; |
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} |
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/** |
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* @psalm-pure |
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*/ |
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public static function of(string $pattern): self |
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{ |
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return new self($pattern); |
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} |
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3 |
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/** |
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* @throws InvalidRegex |
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*/ |
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public function matches(Str $string): bool |
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{ |
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$value = \preg_match($this->pattern, $string->toString()); |
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if ($value === false) { |
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/** @psalm-suppress ImpureFunctionCall */ |
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throw new InvalidRegex('', \preg_last_error()); |
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} |
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return (bool) $value; |
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} |
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4 |
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/** |
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* @throws InvalidRegex |
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* |
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* @return Map<int|string, Str> |
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1 |
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*/ |
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public function capture(Str $string): Map |
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{ |
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$matches = []; |
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$value = \preg_match($this->pattern, $string->toString(), $matches); |
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3 |
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if ($value === false) { |
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3 |
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/** @psalm-suppress ImpureFunctionCall */ |
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throw new InvalidRegex('', \preg_last_error()); |
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} |
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3 |
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/** @var Map<int|string, Str> */ |
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$map = Map::of(); |
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foreach ($matches as $key => $match) { |
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/** @psalm-suppress RedundantCast Don't trust the types of preg_match */ |
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$map = ($map)( |
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$key, |
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Str::of( |
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(string) $match, |
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$string->encoding()->toString(), |
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), |
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); |
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} |
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return $map; |
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} |
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public function toString(): string |
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{ |
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return $this->pattern; |
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} |
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} |
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Innmind /
Immutable
