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<?php declare(strict_types = 1); |
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namespace Venta\Console\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Venta\Contracts\Console\SignatureParser as SignatureParserContract; |
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/** |
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* Class SignatureParser |
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* |
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* @package Venta\Console |
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*/ |
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final class SignatureParser implements SignatureParserContract |
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{ |
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/** |
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* RegExp to match arguments. |
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* name[]?:description |
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* |
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* @var string |
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*/ |
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private $argumentsMatcher = '/^(?:\-\-)?([a-z]+)?(\[\])?(=)?(.*?)?$/'; |
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/** |
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* Parameters matcher string. |
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* |
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* @var string |
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*/ |
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private $parametersMatcher = '/{(.*?)}/'; |
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/** |
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* Full signature string holder. |
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* |
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* @var string |
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*/ |
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private $signature; |
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/** |
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* @throws \Exception |
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* {@inheritdoc} |
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*/ |
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public function parse(string $signature): array |
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{ |
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$signature = explode(' ', $this->signature = $signature); |
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return array_merge($this->parseParameters(), [ |
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'name' => array_shift($signature), |
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]); |
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} |
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/** |
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* Defines type of an argument or option based on options |
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* |
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* @param bool $array |
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* @param bool $optional |
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* @return int |
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*/ |
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private function defineType($array = false, $optional = false): int |
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{ |
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$type = ($optional) ? InputArgument::OPTIONAL : InputArgument::REQUIRED; |
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if ($array) { |
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$type = InputArgument::IS_ARRAY | $type; |
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} |
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return $type; |
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} |
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/** |
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* Returns array of parameters matches |
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* |
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* @return array |
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*/ |
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private function getParameters(): array |
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{ |
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$matches = []; |
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preg_match_all($this->parametersMatcher, $this->signature, $matches); |
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return $matches[1]; |
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} |
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/** |
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* Parses arguments and options from signature string, |
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* returns an array with definitions |
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* |
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* @return array |
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*/ |
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private function parseParameters(): array |
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{ |
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$arguments = []; |
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$options = []; |
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$signatureArguments = $this->getParameters(); |
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foreach ($signatureArguments as $value) { |
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$item = []; |
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$matches = []; |
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$exploded = explode(':', $value); |
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if (count($exploded) > 0 && preg_match($this->argumentsMatcher, $exploded[0], $matches)) { |
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$item['name'] = $matches[1]; |
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$item['type'] = $this->defineType($matches[2] === '[]', $matches[3] === '='); |
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$item['default'] = $matches[4] !== '' ? $matches[4] : null; |
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$item['description'] = count($exploded) === 2 ? $exploded[1] : null; |
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if ($matches[2] === '[]' && $item['default'] !== null) { |
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$item['default'] = explode(',', $item['default']); |
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} |
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if (substr($exploded[0], 0, 2) === '--') { |
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$options[] = $item; |
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} else { |
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$arguments[] = $item; |
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} |
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} |
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} |
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return [ |
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'arguments' => $arguments, |
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'options' => $options, |
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]; |
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} |
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} |
venta /
framework
