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<?php |
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/** |
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* This file is part of Railt 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 Railt\SDL\Frontend\Builder; |
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use Railt\Io\Exception\NotReadableException; |
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use Railt\Io\File; |
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use Railt\Io\Readable; |
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use Railt\Parser\Ast\RuleInterface; |
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use Railt\SDL\Exception\FileNotReadableException; |
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use Railt\SDL\Frontend\AST\Scalar\ScalarInterface; |
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use Railt\SDL\Frontend\Context\ContextInterface; |
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use Railt\SDL\Frontend\Record\RecordInterface; |
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use Railt\SDL\Frontend\Type\TypeNameInterface; |
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/** |
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* Class IncludeBuilder |
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*/ |
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class ImportBuilder extends BaseBuilder |
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{ |
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/** |
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* @param RuleInterface $rule |
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* @return bool |
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*/ |
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public function match(RuleInterface $rule): bool |
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{ |
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return $rule->getName() === 'ImportDefinition'; |
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} |
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/** |
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* @param ContextInterface $ctx |
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* @param RuleInterface $rule |
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* @return \Generator|RecordInterface|TypeNameInterface|void |
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*/ |
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public function reduce(ContextInterface $ctx, RuleInterface $rule) |
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{ |
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/** @var ScalarInterface $value */ |
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$value = $rule->first('> #StringValue'); |
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yield from $this->load($this->include($ctx, $value)); |
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} |
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/** |
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* @param ContextInterface $ctx |
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* @param ScalarInterface|RuleInterface $inclusion |
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* @return Readable |
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*/ |
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private function include(ContextInterface $ctx, ScalarInterface $inclusion): Readable |
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{ |
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try { |
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return $this->tryOpen($ctx, $inclusion); |
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} catch (FileNotReadableException $e) { |
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throw $e->throwsIn($ctx->getFile(), $inclusion->getOffset()); |
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} |
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} |
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/** |
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* @param ContextInterface $ctx |
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* @param ScalarInterface $inclusion |
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* @return Readable |
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* @throws FileNotReadableException |
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*/ |
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private function tryOpen(ContextInterface $ctx, ScalarInterface $inclusion): Readable |
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{ |
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$pathname = $this->getPathname($ctx->getFile(), $inclusion->toPrimitive()); |
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if ($ctx->getFile()->isFile()) { |
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try { |
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return File::fromPathname($pathname); |
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} catch (NotReadableException $e) { |
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$error = 'File "%s" not found or not readable.'; |
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throw new FileNotReadableException(\sprintf($error, $pathname), $e->getCode()); |
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} |
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} |
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$error = 'It is impossible to include an external file "%s" inside a non-physical file'; |
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throw new FileNotReadableException(\sprintf($error, $inclusion->toPrimitive())); |
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} |
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/** |
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* @param Readable $file |
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* @param string $inclusion |
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* @return string |
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*/ |
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private function getPathname(Readable $file, string $inclusion): string |
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{ |
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if (\in_array($inclusion[0], ['/', \DIRECTORY_SEPARATOR], true)) { |
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return $inclusion; |
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} |
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$pathname = \dirname($file->getPathname()) . \DIRECTORY_SEPARATOR . $inclusion; |
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$pathname = \str_replace('/./', '/', $pathname); |
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return $pathname; |
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} |
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} |
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railt /
sdl
