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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| namespace Psl\Type\Internal; | ||
|
|
||
| use Psl\Str; | ||
| use Psl\Type; | ||
| use Psl\Type\Exception\AssertException; | ||
| use Psl\Type\Exception\CoercionException; | ||
|
|
||
| /** | ||
| * @template T of string|int|float|bool | ||
| * | ||
| * @extends Type\Type<T> | ||
| * | ||
| * @internal | ||
| */ | ||
| final class LiteralScalarType extends Type\Type | ||
| { | ||
| /** | ||
| * @var T | ||
| */ | ||
| private $value; | ||
|
|
||
| /** | ||
| * @param T $value | ||
| */ | ||
| public function __construct($value) | ||
| { | ||
| $this->value = $value; | ||
| } | ||
|
|
||
| /** | ||
| * @param mixed $value | ||
| * | ||
| * @psalm-assert-if-true T $value | ||
| */ | ||
| public function matches($value): bool | ||
| { | ||
| return $this->value === $value; | ||
| } | ||
|
|
||
| /** | ||
| * @param mixed $value | ||
| * | ||
| * @throws CoercionException | ||
| * | ||
| * @return T | ||
| */ | ||
| public function coerce($value) | ||
| { | ||
| if ($value === $this->value) { | ||
| /** @var T $value */ | ||
| return $value; | ||
| } | ||
|
|
||
| /** @psalm-suppress DocblockTypeContradiction */ | ||
| if (Type\string()->matches($this->value)) { | ||
| $coerced_value = Type\string()->withTrace($this->getTrace())->coerce($value); | ||
| if ($this->value === $coerced_value) { | ||
| /** @var T $coerced_value */ | ||
| return $coerced_value; | ||
| } | ||
|
|
||
| throw CoercionException::withValue($value, $this->toString(), $this->getTrace()); | ||
| } | ||
|
|
||
| /** @psalm-suppress DocblockTypeContradiction */ | ||
| if (Type\int()->matches($this->value)) { | ||
| $coerced_value = Type\int()->withTrace($this->getTrace())->coerce($value); | ||
| if ($this->value === $coerced_value) { | ||
| /** @var T $coerced_value */ | ||
| return $coerced_value; | ||
| } | ||
|
|
||
| throw CoercionException::withValue($value, $this->toString(), $this->getTrace()); | ||
| } | ||
|
|
||
| /** @psalm-suppress DocblockTypeContradiction */ | ||
| if (Type\float()->matches($this->value)) { | ||
| $coerced_value = Type\float()->withTrace($this->getTrace())->coerce($value); | ||
| if ($this->value === $coerced_value) { | ||
| /** @var T $coerced_value */ | ||
| return $coerced_value; | ||
| } | ||
|
|
||
| throw CoercionException::withValue($value, $this->toString(), $this->getTrace()); | ||
| } | ||
|
|
||
| /** @psalm-suppress DocblockTypeContradiction */ | ||
| if (Type\bool()->matches($this->value)) { | ||
| $coerced_value = Type\bool()->withTrace($this->getTrace())->coerce($value); | ||
| if ($this->value === $coerced_value) { | ||
| /** @var T $coerced_value */ | ||
| return $coerced_value; | ||
| } | ||
|
|
||
| throw CoercionException::withValue($value, $this->toString(), $this->getTrace()); | ||
| } | ||
|
|
||
| throw CoercionException::withValue($value, $this->toString(), $this->getTrace()); | ||
| } | ||
|
|
||
| /** | ||
| * @param mixed $value | ||
| * | ||
| * @psalm-assert T $value | ||
| * | ||
| * @throws AssertException | ||
| */ | ||
| public function assert($value) | ||
| { | ||
| if ($this->value === $value) { | ||
| /** @var T */ | ||
| return $value; | ||
| } | ||
|
|
||
| throw AssertException::withValue($value, $this->toString(), $this->getTrace()); | ||
| } | ||
|
|
||
| public function toString(): string | ||
| { | ||
| /** @var int|string|float|bool $value */ | ||
| $value = $this->value; | ||
| if (Type\string()->matches($value)) { | ||
| return Str\format('"%s"', $value); | ||
| } | ||
|
|
||
| if (Type\int()->matches($value)) { | ||
| return Str\format('%d', $value); | ||
| } | ||
|
|
||
| if (Type\float()->matches($value)) { | ||
| $string_representation = Str\trim_right(Str\format('%.14F', $value), '0'); | ||
| /** @psalm-suppress MissingThrowsDocblock */ | ||
| if (Str\ends_with($string_representation, '.')) { | ||
| $string_representation .= '0'; | ||
| } | ||
|
|
||
| return $string_representation; | ||
| } | ||
|
|
||
| return $value ? 'true' : 'false'; | ||
| } | ||
| } |
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