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<?php |
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/** |
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* This file is part of the Ray.Aop package |
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* |
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* @license http://opensource.org/licenses/bsd-license.php BSD |
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*/ |
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namespace Ray\Aop; |
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use Doctrine\Common\Annotations\AnnotationReader; |
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use PHPParser\Builder\Method; |
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use PhpParser\Builder\Param; |
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use PhpParser\BuilderFactory; |
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use PhpParser\Comment\Doc; |
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use PhpParser\Parser; |
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use PhpParser\PrettyPrinter\Standard; |
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use Ray\Aop\Annotation\AbstractAssisted; |
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final class CodeGenMethod |
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{ |
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/** |
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* @var \PHPParser\Parser |
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*/ |
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private $parser; |
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/** |
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* @var \PHPParser\BuilderFactory |
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*/ |
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private $factory; |
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/** |
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* @var \PHPParser\PrettyPrinter\Standard |
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*/ |
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private $printer; |
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private $reader; |
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/** |
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* @var AbstractAssisted |
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*/ |
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private $assisted = []; |
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/** |
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* @param \PHPParser\Parser $parser |
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* @param \PHPParser\BuilderFactory $factory |
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* @param \PHPParser\PrettyPrinter\Standard $printer |
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*/ |
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public function __construct( |
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Parser $parser, |
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BuilderFactory $factory, |
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Standard $printer |
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) { |
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$this->parser = $parser; |
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$this->factory = $factory; |
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$this->printer = $printer; |
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$this->reader = new AnnotationReader; |
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} |
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/** |
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* @param \ReflectionClass $class |
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* |
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* @return array |
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*/ |
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public function getMethods(\ReflectionClass $class, BindInterface $bind) |
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{ |
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$bindingMethods = array_keys($bind->getBindings()); |
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$stmts = []; |
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$methods = $class->getMethods(); |
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foreach ($methods as $method) { |
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$this->assisted = $this->reader->getMethodAnnotation($method, AbstractAssisted::class); |
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$isBindingMethod = in_array($method->getName(), $bindingMethods); |
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/* @var $method \ReflectionMethod */ |
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if ($isBindingMethod && $method->isPublic()) { |
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$stmts[] = $this->getMethod($method); |
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} |
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} |
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return $stmts; |
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} |
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/** |
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* Return method statement |
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* |
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* @param \ReflectionMethod $method |
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* |
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* @return \PhpParser\Node\Stmt\ClassMethod |
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*/ |
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private function getMethod(\ReflectionMethod $method) |
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{ |
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$methodStmt = $this->factory->method($method->name); |
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$params = $method->getParameters(); |
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foreach ($params as $param) { |
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$methodStmt = $this->getMethodStatement($param, $methodStmt); |
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} |
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$methodInsideStatements = $this->getMethodInsideStatement(); |
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$methodStmt->addStmts($methodInsideStatements); |
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$node = $this->addMethodDocComment($methodStmt, $method); |
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return $node; |
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} |
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/** |
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* Return parameter reflection |
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* |
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* @param \ReflectionParameter $param |
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* @param \PHPParser\Builder\Method $methodStmt |
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* |
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* @return \PHPParser\Builder\Method |
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*/ |
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private function getMethodStatement(\ReflectionParameter $param, Method $methodStmt) |
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{ |
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/** @var $paramStmt Param */ |
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$paramStmt = $this->factory->param($param->name); |
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/* @var $param \ReflectionParameter */ |
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$typeHint = $param->getClass(); |
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$this->setTypeHint($param, $paramStmt, $typeHint); |
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$this->setDefault($param, $paramStmt); |
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$methodStmt->addParam($paramStmt); |
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return $methodStmt; |
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} |
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/** |
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* @param Method $methodStmt |
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* @param \ReflectionMethod $method |
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* |
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* @return \PhpParser\Node\Stmt\ClassMethod |
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*/ |
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private function addMethodDocComment(Method $methodStmt, \ReflectionMethod $method) |
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{ |
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$node = $methodStmt->getNode(); |
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$docComment = $method->getDocComment(); |
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if ($docComment) { |
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$node->setAttribute('comments', [new Doc($docComment)]); |
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} |
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return $node; |
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} |
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/** |
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* @return \PHPParser\Node[] |
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*/ |
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private function getMethodInsideStatement() |
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{ |
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$code = file_get_contents(dirname(__DIR__) . '/src-data/CodeGenTemplate.php'); |
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$node = $this->parser->parse($code)[0]; |
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/** @var $node \PHPParser\Node\Stmt\Class_ */ |
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$node = $node->getMethods()[0]; |
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return $node->stmts; |
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} |
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/** |
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* @param \ReflectionParameter $param |
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* @param Param $paramStmt |
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* @param \ReflectionClass $typeHint |
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*/ |
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private function setTypeHint(\ReflectionParameter $param, Param $paramStmt, \ReflectionClass $typeHint = null) |
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{ |
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if ($typeHint) { |
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$paramStmt->setTypeHint($typeHint->name); |
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} |
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if ($param->isArray()) { |
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$paramStmt->setTypeHint('array'); |
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} |
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if ($param->isCallable()) { |
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$paramStmt->setTypeHint('callable'); |
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} |
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} |
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/** |
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* @param \ReflectionParameter $param |
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* @param Param $paramStmt |
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*/ |
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private function setDefault(\ReflectionParameter $param, $paramStmt) |
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{ |
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if ($param->isDefaultValueAvailable()) { |
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$paramStmt->setDefault($param->getDefaultValue()); |
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return; |
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} |
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if ($this->assisted && in_array($param->getName(), $this->assisted->values)) { |
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$paramStmt->setDefault(null); |
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} |
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} |
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} |
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ray-di /
Ray.Aop
