mirror of https://github.com/rectorphp/rector.git
175 lines
8.2 KiB
PHP
175 lines
8.2 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\CodingStyle\Application;
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use RectorPrefix202403\Nette\Utils\Strings;
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use PhpParser\Node\Name;
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use PhpParser\Node\Stmt;
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use PhpParser\Node\Stmt\Declare_;
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use PhpParser\Node\Stmt\Namespace_;
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use PhpParser\Node\Stmt\Nop;
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use PhpParser\Node\Stmt\Use_;
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use PHPStan\Type\ObjectType;
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use Rector\CodingStyle\ClassNameImport\UsedImportsResolver;
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use Rector\NodeTypeResolver\Node\AttributeKey;
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use Rector\NodeTypeResolver\PHPStan\Type\TypeFactory;
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use Rector\PhpParser\Node\CustomNode\FileWithoutNamespace;
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use Rector\StaticTypeMapper\ValueObject\Type\AliasedObjectType;
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use Rector\StaticTypeMapper\ValueObject\Type\FullyQualifiedObjectType;
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final class UseImportsAdder
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{
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/**
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* @readonly
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* @var \Rector\CodingStyle\ClassNameImport\UsedImportsResolver
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*/
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private $usedImportsResolver;
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/**
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* @readonly
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* @var \Rector\NodeTypeResolver\PHPStan\Type\TypeFactory
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*/
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private $typeFactory;
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public function __construct(UsedImportsResolver $usedImportsResolver, TypeFactory $typeFactory)
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{
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$this->usedImportsResolver = $usedImportsResolver;
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$this->typeFactory = $typeFactory;
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}
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/**
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* @param Stmt[] $stmts
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* @param array<FullyQualifiedObjectType|AliasedObjectType> $useImportTypes
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* @param array<FullyQualifiedObjectType|AliasedObjectType> $constantUseImportTypes
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* @param array<FullyQualifiedObjectType|AliasedObjectType> $functionUseImportTypes
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* @return Stmt[]
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*/
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public function addImportsToStmts(FileWithoutNamespace $fileWithoutNamespace, array $stmts, array $useImportTypes, array $constantUseImportTypes, array $functionUseImportTypes) : array
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{
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$usedImports = $this->usedImportsResolver->resolveForStmts($stmts);
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$existingUseImportTypes = $usedImports->getUseImports();
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$existingConstantUseImports = $usedImports->getConstantImports();
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$existingFunctionUseImports = $usedImports->getFunctionImports();
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$useImportTypes = $this->diffFullyQualifiedObjectTypes($useImportTypes, $existingUseImportTypes);
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$constantUseImportTypes = $this->diffFullyQualifiedObjectTypes($constantUseImportTypes, $existingConstantUseImports);
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$functionUseImportTypes = $this->diffFullyQualifiedObjectTypes($functionUseImportTypes, $existingFunctionUseImports);
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$newUses = $this->createUses($useImportTypes, $constantUseImportTypes, $functionUseImportTypes, null);
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if ($newUses === []) {
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return [$fileWithoutNamespace];
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}
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// place after declare strict_types
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foreach ($stmts as $key => $stmt) {
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if ($stmt instanceof Declare_) {
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if (isset($stmts[$key + 1]) && $stmts[$key + 1] instanceof Use_) {
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$nodesToAdd = $newUses;
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} else {
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// add extra space, if there are no new use imports to be added
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$nodesToAdd = \array_merge([new Nop()], $newUses);
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}
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$this->mirrorUseComments($stmts, $newUses, $key + 1);
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\array_splice($stmts, $key + 1, 0, $nodesToAdd);
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$fileWithoutNamespace->stmts = $stmts;
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$fileWithoutNamespace->stmts = \array_values($fileWithoutNamespace->stmts);
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return [$fileWithoutNamespace];
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}
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}
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$this->mirrorUseComments($stmts, $newUses);
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// make use stmts first
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$fileWithoutNamespace->stmts = \array_merge($newUses, $stmts);
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$fileWithoutNamespace->stmts = \array_values($fileWithoutNamespace->stmts);
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return [$fileWithoutNamespace];
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}
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/**
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* @param FullyQualifiedObjectType[] $useImportTypes
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* @param FullyQualifiedObjectType[] $constantUseImportTypes
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* @param FullyQualifiedObjectType[] $functionUseImportTypes
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*/
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public function addImportsToNamespace(Namespace_ $namespace, array $useImportTypes, array $constantUseImportTypes, array $functionUseImportTypes) : void
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{
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$namespaceName = $this->getNamespaceName($namespace);
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$existingUsedImports = $this->usedImportsResolver->resolveForStmts($namespace->stmts);
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$existingUseImportTypes = $existingUsedImports->getUseImports();
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$existingConstantUseImportTypes = $existingUsedImports->getConstantImports();
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$existingFunctionUseImportTypes = $existingUsedImports->getFunctionImports();
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$existingUseImportTypes = $this->typeFactory->uniquateTypes($existingUseImportTypes);
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$useImportTypes = $this->diffFullyQualifiedObjectTypes($useImportTypes, $existingUseImportTypes);
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$constantUseImportTypes = $this->diffFullyQualifiedObjectTypes($constantUseImportTypes, $existingConstantUseImportTypes);
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$functionUseImportTypes = $this->diffFullyQualifiedObjectTypes($functionUseImportTypes, $existingFunctionUseImportTypes);
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$newUses = $this->createUses($useImportTypes, $constantUseImportTypes, $functionUseImportTypes, $namespaceName);
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if ($newUses === []) {
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return;
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}
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$this->mirrorUseComments($namespace->stmts, $newUses);
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$namespace->stmts = \array_merge($newUses, $namespace->stmts);
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$namespace->stmts = \array_values($namespace->stmts);
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}
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/**
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* @param Stmt[] $stmts
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* @param Use_[] $newUses
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*/
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private function mirrorUseComments(array $stmts, array $newUses, int $indexStmt = 0) : void
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{
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if ($stmts === []) {
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return;
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}
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if (isset($stmts[$indexStmt]) && $stmts[$indexStmt] instanceof Use_) {
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$comments = (array) $stmts[$indexStmt]->getAttribute(AttributeKey::COMMENTS);
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if ($comments !== []) {
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$newUses[0]->setAttribute(AttributeKey::COMMENTS, $stmts[$indexStmt]->getAttribute(AttributeKey::COMMENTS));
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$stmts[$indexStmt]->setAttribute(AttributeKey::COMMENTS, null);
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}
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}
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}
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/**
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* @param array<FullyQualifiedObjectType|AliasedObjectType> $mainTypes
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* @param array<FullyQualifiedObjectType|AliasedObjectType> $typesToRemove
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* @return array<FullyQualifiedObjectType|AliasedObjectType>
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*/
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private function diffFullyQualifiedObjectTypes(array $mainTypes, array $typesToRemove) : array
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{
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foreach ($mainTypes as $key => $mainType) {
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foreach ($typesToRemove as $typeToRemove) {
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if ($mainType->equals($typeToRemove)) {
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unset($mainTypes[$key]);
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}
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}
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}
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return \array_values($mainTypes);
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}
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/**
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* @param array<AliasedObjectType|FullyQualifiedObjectType> $useImportTypes
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* @param array<FullyQualifiedObjectType|AliasedObjectType> $constantUseImportTypes
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* @param array<FullyQualifiedObjectType|AliasedObjectType> $functionUseImportTypes
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* @return Use_[]
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*/
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private function createUses(array $useImportTypes, array $constantUseImportTypes, array $functionUseImportTypes, ?string $namespaceName) : array
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{
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$newUses = [];
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/** @var array<Use_::TYPE_*, array<AliasedObjectType|FullyQualifiedObjectType>> $importsMapping */
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$importsMapping = [Use_::TYPE_NORMAL => $useImportTypes, Use_::TYPE_CONSTANT => $constantUseImportTypes, Use_::TYPE_FUNCTION => $functionUseImportTypes];
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foreach ($importsMapping as $type => $importTypes) {
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/** @var AliasedObjectType|FullyQualifiedObjectType $importType */
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foreach ($importTypes as $importType) {
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if ($namespaceName !== null && $this->isCurrentNamespace($namespaceName, $importType)) {
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continue;
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}
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// already imported in previous cycle
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$newUses[] = $importType->getUseNode($type);
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}
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}
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return $newUses;
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}
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private function getNamespaceName(Namespace_ $namespace) : ?string
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{
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if (!$namespace->name instanceof Name) {
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return null;
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}
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return $namespace->name->toString();
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}
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private function isCurrentNamespace(string $namespaceName, ObjectType $objectType) : bool
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{
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$afterCurrentNamespace = Strings::after($objectType->getClassName(), $namespaceName . '\\');
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if ($afterCurrentNamespace === null) {
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return \false;
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}
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return \strpos($afterCurrentNamespace, '\\') === \false;
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}
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}
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