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<?php declare (strict_types=1); namespace Rector\Symfony\Rector\ClassMethod; use RectorPrefix202208\Nette\Utils\Strings; use PhpParser\Node; use PhpParser\Node\Expr; use PhpParser\Node\Stmt\Class_; use PhpParser\Node\Stmt\ClassLike; use PhpParser\Node\Stmt\ClassMethod; use PhpParser\Node\Stmt\Return_; use PHPStan\Type\ObjectType; use Rector\Core\Exception\ShouldNotHappenException; use Rector\Core\Rector\AbstractRector; use RectorPrefix202208\Symfony\Component\String\UnicodeString; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see https://github.com/symfony/symfony/blob/3.4/UPGRADE-3.0.md#form * * @see \Rector\Symfony\Tests\Rector\ClassMethod\RemoveDefaultGetBlockPrefixRector\RemoveDefaultGetBlockPrefixRectorTest */ final class RemoveDefaultGetBlockPrefixRector extends AbstractRector { public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Rename `getBlockPrefix()` if it returns the default value - class to underscore, e.g. UserFormType = user_form', [new CodeSample(<<<'CODE_SAMPLE' use Symfony\Component\Form\AbstractType; class TaskType extends AbstractType { public function getBlockPrefix() { return 'task'; } } CODE_SAMPLE , <<<'CODE_SAMPLE' use Symfony\Component\Form\AbstractType; class TaskType extends AbstractType { } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [ClassMethod::class]; } /** * @param ClassMethod $node */ public function refactor(Node $node) : ?Node { if (!$this->isObjectMethodNameMatch($node)) { return null; } $returnedExpr = $this->resolveOnlyStmtReturnExpr($node); if (!$returnedExpr instanceof Expr) { return null; } $returnedValue = $this->valueResolver->getValue($returnedExpr); $classLike = $this->betterNodeFinder->findParentType($node, ClassLike::class); if (!$classLike instanceof ClassLike) { return null; } $className = $this->nodeNameResolver->getName($classLike); if (!\is_string($className)) { return null; } $shortClassName = $this->nodeNameResolver->getShortName($className); if (\substr_compare($shortClassName, 'Type', -\strlen('Type')) === 0) { $shortClassName = (string) Strings::before($shortClassName, 'Type'); } $shortClassNameUnicodeString = new UnicodeString($shortClassName); $underscoredClassShortName = $shortClassNameUnicodeString->snake()->toString(); if ($underscoredClassShortName !== $returnedValue) { return null; } $this->removeNode($node); return null; } private function isObjectMethodNameMatch(ClassMethod $classMethod) : bool { $class = $this->betterNodeFinder->findParentType($classMethod, Class_::class); if (!$class instanceof Class_) { return \false; } if (!$this->isObjectType($classMethod, new ObjectType('Symfony\\Component\\Form\\AbstractType'))) { return \false; } return $this->isName($classMethod->name, 'getBlockPrefix'); } /** * return <$thisValue>; */ private function resolveOnlyStmtReturnExpr(ClassMethod $classMethod) : ?Expr { if (\count((array) $classMethod->stmts) !== 1) { return null; } if (!isset($classMethod->stmts[0])) { throw new ShouldNotHappenException(); } $onlyStmt = $classMethod->stmts[0]; if (!$onlyStmt instanceof Return_) { return null; } return $onlyStmt->expr; } }
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