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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celema\Console; |
| 6 | |
| 7 | use Closure; |
| 8 | use ValueError; |
| 9 | |
| 10 | /** |
| 11 | * A registered command: its metadata plus the factory producing the |
| 12 | * runnable instance on first use. |
| 13 | * |
| 14 | * @internal |
| 15 | */ |
| 16 | final class Entry |
| 17 | { |
| 18 | private ?object $command = null; |
| 19 | |
| 20 | /** @param class-string $class */ |
| 21 | private function __construct( |
| 22 | public readonly Command $meta, |
| 23 | private readonly string $class, |
| 24 | private readonly Closure $factory, |
| 25 | ) {} |
| 26 | |
| 27 | public static function fromInstance(object $command): self |
| 28 | { |
| 29 | return new self(Command::of($command), $command::class, static fn(): object => $command); |
| 30 | } |
| 31 | |
| 32 | /** @param class-string $class */ |
| 33 | public static function fromClass(string $class): self |
| 34 | { |
| 35 | return new self(Command::of($class), $class, static fn(): object => new $class()); |
| 36 | } |
| 37 | |
| 38 | /** @param class-string $class */ |
| 39 | public static function fromFactory(string $class, Closure $factory): self |
| 40 | { |
| 41 | return new self(Command::of($class), $class, $factory); |
| 42 | } |
| 43 | |
| 44 | public function command(): object |
| 45 | { |
| 46 | if ($this->command === null) { |
| 47 | $command = ($this->factory)(); |
| 48 | |
| 49 | // The metadata was read from the keyed class; an unrelated |
| 50 | // object would be described by one class and run as another. |
| 51 | if (!$command instanceof $this->class) { |
| 52 | throw new ValueError( |
| 53 | "Factory for command '{$this->meta->full()}' must return a {$this->class}", |
| 54 | ); |
| 55 | } |
| 56 | |
| 57 | $this->command = $command; |
| 58 | } |
| 59 | |
| 60 | return $this->command; |
| 61 | } |
| 62 | |
| 63 | /** @return list<Opt> */ |
| 64 | public function opts(): array |
| 65 | { |
| 66 | return Opt::of($this->class); |
| 67 | } |
| 68 | |
| 69 | /** @return list<Arg> */ |
| 70 | public function args(): array |
| 71 | { |
| 72 | return Arg::of($this->class); |
| 73 | } |
| 74 | } |