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<?php |
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declare(strict_types=1); |
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namespace Cycle\ORM\Promise; |
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use Cycle\ORM\ORMInterface; |
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use Cycle\ORM\Promise\Declaration; |
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use PhpParser\Lexer; |
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use PhpParser\Node; |
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use PhpParser\Parser; |
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use PhpParser\PrettyPrinter\Standard; |
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use PhpParser\PrettyPrinterAbstract; |
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class Printer |
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{ |
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private const RESOLVER_PROPERTY = '__resolver'; |
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private const UNSET_PROPERTIES_CONST = 'UNSET_PROPERTIES'; |
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private const RESOLVE_METHOD = '__resolve'; |
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private const INIT_METHOD = '__init'; |
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private const DEPENDENCIES = [ |
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'orm' => ORMInterface::class, |
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'role' => 'string', |
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'scope' => 'array' |
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]; |
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private const USE_STMTS = [ |
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PromiseInterface::class, |
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PromiseResolver::class, |
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PromiseException::class, |
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ORMInterface::class |
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]; |
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private const PROMISE_METHODS = [ |
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'__loaded' => 'bool', |
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'__role' => 'string', |
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'__scope' => 'array', |
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'__resolve' => null, |
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]; |
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/** @var ConflictResolver */ |
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private $resolver; |
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/** @var Traverser */ |
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private $traverser; |
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/** @var Declaration\Extractor */ |
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private $extractor; |
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/** @var Lexer */ |
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private $lexer; |
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/** @var Parser */ |
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private $parser; |
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/** @var PrettyPrinterAbstract */ |
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private $printer; |
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/** @var Stubs */ |
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private $stubs; |
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public function __construct(ConflictResolver $resolver, Traverser $traverser, Declaration\Extractor $extractor, Stubs $stubs) |
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{ |
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$this->resolver = $resolver; |
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$this->traverser = $traverser; |
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$this->extractor = $extractor; |
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$lexer = new Lexer\Emulative([ |
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'usedAttributes' => [ |
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'comments', |
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'startLine', |
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'endLine', |
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'startTokenPos', |
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'endTokenPos', |
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], |
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]); |
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$this->lexer = $lexer; |
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$this->parser = new Parser\Php7($this->lexer); |
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$this->printer = new Standard(); |
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$this->stubs = $stubs; |
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} |
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/** |
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* @param \ReflectionClass $reflection |
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* @param Declaration\DeclarationInterface $class |
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* @param Declaration\DeclarationInterface $parent |
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* |
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* @return string |
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* @throws \Cycle\ORM\Promise\ProxyFactoryException |
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*/ |
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public function make(\ReflectionClass $reflection, Declaration\DeclarationInterface $class, Declaration\DeclarationInterface $parent): string |
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{ |
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$structure = $this->extractor->extract($reflection); |
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foreach ($structure->methodNames() as $name) { |
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if (array_key_exists($name, self::PROMISE_METHODS)) { |
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throw new ProxyFactoryException("Promise method `$name` already defined."); |
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} |
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} |
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$property = $this->resolverPropertyName($structure); |
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$unsetPropertiesConst = $this->unsetPropertiesConstName($structure); |
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$visitors = [ |
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new Visitor\AddUseStmts($this->useStmts($class, $parent)), |
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new Visitor\UpdateNamespace($class->getNamespaceName()), |
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new Visitor\DeclareClass($class->getShortName(), $parent->getShortName(), Utils::shortName(PromiseInterface::class)), |
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new Visitor\AddUnsetPropertiesConst($unsetPropertiesConst, $structure->properties), |
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new Visitor\AddResolverProperty($property, $this->propertyType(), $parent->getShortName()), |
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new Visitor\AddInitMethod( |
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$property, |
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$this->propertyType(), |
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self::DEPENDENCIES, |
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$this->unsetPropertiesConstName($structure), |
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$this->initMethodName($structure) |
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), |
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new Visitor\AddMagicCloneMethod($property, $structure->hasClone), |
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new Visitor\AddMagicGetMethod($property, self::RESOLVE_METHOD), |
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new Visitor\AddMagicSetMethod($property, self::RESOLVE_METHOD), |
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new Visitor\AddMagicIssetMethod($property, self::RESOLVE_METHOD, $unsetPropertiesConst), |
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new Visitor\AddMagicUnset($property, self::RESOLVE_METHOD, $unsetPropertiesConst), |
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new Visitor\AddMagicDebugInfoMethod($property, self::RESOLVE_METHOD, $structure->properties), |
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new Visitor\UpdatePromiseMethods($property), |
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new Visitor\AddProxiedMethods($property, $structure->methods, self::RESOLVE_METHOD), |
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]; |
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foreach (self::PROMISE_METHODS as $method => $returnType) { |
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$visitors[] = new Visitor\AddPromiseMethod($property, $method, $returnType); |
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} |
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$nodes = $this->getNodesFromStub(); |
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$output = $this->traverser->traverseClonedNodes($nodes, ...$visitors); |
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return $this->printer->printFormatPreserving( |
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$output, |
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$nodes, |
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$this->lexer->getTokens() |
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); |
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} |
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public function initMethodName(Declaration\Structure $structure): string |
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{ |
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return $this->resolver->resolve($structure->methodNames(), self::INIT_METHOD)->fullName(); |
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} |
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private function resolverPropertyName(Declaration\Structure $structure): string |
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{ |
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return $this->resolver->resolve($structure->properties, self::RESOLVER_PROPERTY)->fullName(); |
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} |
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private function unsetPropertiesConstName(Declaration\Structure $structure): string |
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{ |
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return $this->resolver->resolve($structure->constants, self::UNSET_PROPERTIES_CONST)->fullName('_'); |
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} |
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private function useStmts(Declaration\DeclarationInterface $class, Declaration\DeclarationInterface $parent): array |
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{ |
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$useStmts = self::USE_STMTS; |
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if ($class->getNamespaceName() !== $parent->getNamespaceName()) { |
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$useStmts[] = $parent->getFullName(); |
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} |
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return $useStmts; |
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} |
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private function propertyType(): string |
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{ |
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return Utils::shortName(PromiseResolver::class); |
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} |
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/** |
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* @return Node\Stmt[] |
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*/ |
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private function getNodesFromStub(): array |
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{ |
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return $this->parser->parse($this->stubs->getContent()) ?? []; |
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} |
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} |
cycle /
proxy-factory
