71 lines
2.2 KiB
PHP
71 lines
2.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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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namespace Symfony\Component\PropertyInfo\PhpStan;
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use phpDocumentor\Reflection\Types\ContextFactory;
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/**
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* @author Baptiste Leduc <baptiste.leduc@gmail.com>
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*
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* @internal
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*/
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final class NameScopeFactory
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{
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public function create(string $calledClassName, ?string $declaringClassName = null): NameScope
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{
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$declaringClassName ??= $calledClassName;
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$path = explode('\\', $calledClassName);
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$calledClassName = array_pop($path);
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$declaringReflection = new \ReflectionClass($declaringClassName);
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[$declaringNamespace, $declaringUses] = $this->extractFromFullClassName($declaringReflection);
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$declaringUses = array_merge($declaringUses, $this->collectUses($declaringReflection));
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return new NameScope($calledClassName, $declaringNamespace, $declaringUses);
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}
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private function collectUses(\ReflectionClass $reflection): array
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{
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$uses = [$this->extractFromFullClassName($reflection)[1]];
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foreach ($reflection->getTraits() as $traitReflection) {
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$uses[] = $this->extractFromFullClassName($traitReflection)[1];
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}
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if (false !== $parentClass = $reflection->getParentClass()) {
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$uses[] = $this->collectUses($parentClass);
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}
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return $uses ? array_merge(...$uses) : [];
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}
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private function extractFromFullClassName(\ReflectionClass $reflection): array
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{
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$namespace = trim($reflection->getNamespaceName(), '\\');
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$fileName = $reflection->getFileName();
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if (\is_string($fileName) && is_file($fileName)) {
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if (false === $contents = file_get_contents($fileName)) {
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throw new \RuntimeException(sprintf('Unable to read file "%s".', $fileName));
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}
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$factory = new ContextFactory();
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$context = $factory->createForNamespace($namespace, $contents);
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return [$namespace, $context->getNamespaceAliases()];
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}
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return [$namespace, []];
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}
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}
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