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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * Fast Forward Development Tools for PHP projects. |
| 7 | * |
| 8 | * This file is part of fast-forward/dev-tools project. |
| 9 | * |
| 10 | * @author Felipe Sayão Lobato Abreu <github@mentordosnerds.com> |
| 11 | * @license https://opensource.org/licenses/MIT MIT License |
| 12 | * |
| 13 | * @see https://github.com/php-fast-forward/ |
| 14 | * @see https://github.com/php-fast-forward/dev-tools |
| 15 | * @see https://github.com/php-fast-forward/dev-tools/issues |
| 16 | * @see https://php-fast-forward.github.io/dev-tools/ |
| 17 | * @see https://datatracker.ietf.org/doc/html/rfc2119 |
| 18 | */ |
| 19 | |
| 20 | namespace FastForward\DevTools\Process; |
| 21 | |
| 22 | use Symfony\Component\Process\Process; |
| 23 | |
| 24 | /** |
| 25 | * Builds immutable process definitions from a command and a collection of arguments. |
| 26 | * |
| 27 | * This builder SHALL preserve previously supplied arguments by returning a new |
| 28 | * instance on each mutation-like operation. Implementations of this concrete |
| 29 | * builder MUST keep argument ordering stable so that the generated process |
| 30 | * reflects the exact sequence in which arguments were provided. |
| 31 | */ |
| 32 | class ProcessBuilder implements ProcessBuilderInterface |
| 33 | { |
| 34 | /** |
| 35 | * Creates a new immutable process builder instance. |
| 36 | * |
| 37 | * The provided arguments SHALL be stored in the same order in which they are |
| 38 | * received and MUST be used when building the final process instance. |
| 39 | * |
| 40 | * @param list<string> $arguments the arguments already collected by the builder |
| 41 | */ |
| 42 | public function __construct( |
| 43 | private array $arguments = [], |
| 44 | ) {} |
| 45 | |
| 46 | /** |
| 47 | * Returns a new builder instance with an additional argument appended. |
| 48 | * |
| 49 | * When a value is provided, the argument SHALL be normalized to the |
| 50 | * "{argument}={value}" format before being appended. When no value is |
| 51 | * provided, the raw argument token MUST be appended as-is. |
| 52 | * |
| 53 | * This method MUST NOT mutate the current builder instance and SHALL return |
| 54 | * a new instance containing the accumulated arguments. |
| 55 | * |
| 56 | * @param string $argument the argument name or token to append |
| 57 | * @param string|null $value the optional value associated with the argument |
| 58 | * |
| 59 | * @return ProcessBuilderInterface a new builder instance containing the appended argument |
| 60 | */ |
| 61 | public function withArgument(string $argument, ?string $value = null): ProcessBuilderInterface |
| 62 | { |
| 63 | if (null !== $value) { |
| 64 | $argument = \sprintf('%s=%s', $argument, $value); |
| 65 | } |
| 66 | |
| 67 | return new self([...$this->arguments, $argument]); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Returns the arguments currently collected by the builder. |
| 72 | * |
| 73 | * The returned list SHALL preserve insertion order and MAY be used for |
| 74 | * inspection, debugging, or testing purposes. |
| 75 | * |
| 76 | * @return list<string> the collected process arguments |
| 77 | */ |
| 78 | public function getArguments(): array |
| 79 | { |
| 80 | return $this->arguments; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Builds a process instance for the specified command. |
| 85 | * |
| 86 | * The command string SHALL be split into tokens using a space separator and |
| 87 | * combined with all previously collected builder arguments. The resulting |
| 88 | * process MUST preserve the final token order exactly as assembled by this |
| 89 | * method. |
| 90 | * |
| 91 | * @param string|array $command the base command used to initialize the process |
| 92 | * |
| 93 | * @return Process the configured process instance ready for execution |
| 94 | */ |
| 95 | public function build(string|array $command): Process |
| 96 | { |
| 97 | if (\is_string($command)) { |
| 98 | $command = explode(' ', $command); |
| 99 | } |
| 100 | |
| 101 | return new Process(command: [...$command, ...$this->arguments], timeout: 0); |
| 102 | } |
| 103 | } |