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<?php |
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/** |
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* This file is part of Properties package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Serafim\Properties; |
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use Railt\Parser\Ast\RuleInterface; |
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use Serafim\Properties\Attribute\AttributeInterface; |
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use Serafim\Properties\Parser\Parser; |
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use Serafim\Properties\Reducers; |
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use Serafim\Properties\Reducers\ReducerInterface; |
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/** |
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* Class Builder |
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*/ |
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class Builder |
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{ |
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/** |
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* @var string[] |
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*/ |
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private const DEFAULT_REDUCERS = [ |
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Reducers\DocBlockReducer::class, |
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Reducers\DocTitleReducer::class, |
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Reducers\VariableReducer::class, |
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Reducers\TypeHintReducer::class, |
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Reducers\TypeNameReducer::class, |
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Reducers\TypeHint\ScalarHintReducer::class, |
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Reducers\TypeHint\ArrayHintReducer::class, |
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Reducers\TypeHint\OrHintReducer::class, |
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Reducers\TypeHint\AndHintReducer::class, |
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]; |
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/** |
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* @var Parser |
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*/ |
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private $parser; |
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/** |
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* @var array|ReducerInterface[] |
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*/ |
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private $reducers = []; |
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/** |
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* Builder constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->parser = new Parser(); |
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$this->bootReducers(); |
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} |
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/** |
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* @return void |
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*/ |
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private function bootReducers(): void |
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{ |
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foreach (self::DEFAULT_REDUCERS as $reducer) { |
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$this->reducers[] = new $reducer; |
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} |
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} |
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/** |
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* @param string $class |
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* @return iterable|AttributeInterface[] |
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* @throws \RuntimeException |
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*/ |
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public function buildClass(string $class): iterable |
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{ |
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$ast = $this->parser->parseClassDocComment($class); |
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if ($ast instanceof RuleInterface) { |
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foreach ($ast->getChildren() as $child) { |
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yield $this->build($child); |
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} |
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} |
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} |
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/** |
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* @param RuleInterface $rule |
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* @return mixed |
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* @throws \RuntimeException |
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*/ |
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private function build(RuleInterface $rule) |
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{ |
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foreach ($this->reducers as $reducer) { |
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if ($reducer->match($rule)) { |
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$result = $reducer->reduce($rule); |
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return $result instanceof \Generator ? $this->coroutine($result) : $result; |
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} |
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} |
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$error = \sprintf('Unrecognized rule %s', $rule->getName()); |
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throw new \RuntimeException($error); |
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} |
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/** |
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* @param \Generator $coroutine |
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* @return mixed |
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* @throws \RuntimeException |
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*/ |
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private function coroutine(\Generator $coroutine) |
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{ |
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while ($coroutine->valid()) { |
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$value = $coroutine->current(); |
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if ($value instanceof RuleInterface) { |
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$value = $this->build($value); |
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} |
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$coroutine->send($value); |
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} |
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return $coroutine->getReturn(); |
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} |
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} |
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SerafimArts /
Properties
