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<?php |
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declare(strict_types=1); |
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namespace Ray\Aop; |
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use function class_exists; |
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use PhpParser\BuilderFactory; |
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use PhpParser\PrettyPrinter\Standard; |
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use Ray\Aop\Exception\NotWritableException; |
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use function sprintf; |
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final class Compiler implements CompilerInterface |
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{ |
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/** |
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* @var string |
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*/ |
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public $classDir; |
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/** |
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* @var CodeGenInterface |
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*/ |
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private $codeGen; |
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/** |
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* @throws \Doctrine\Common\Annotations\AnnotationException |
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*/ |
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public function __construct(string $classDir) |
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{ |
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if (! is_writable($classDir)) { |
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throw new NotWritableException($classDir); |
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} |
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$this->classDir = $classDir; |
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$this->codeGen = new CodeGen( |
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(new ParserFactory)->newInstance(), |
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new BuilderFactory, |
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new Standard(['shortArraySyntax' => true]) |
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); |
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} |
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1 |
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public function __sleep() |
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1 |
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{ |
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return ['classDir']; |
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} |
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1 |
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/** |
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* @throws \Doctrine\Common\Annotations\AnnotationException |
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*/ |
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public function __wakeup() |
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{ |
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$this->__construct($this->classDir); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws \ReflectionException |
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*/ |
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public function newInstance(string $class, array $args, BindInterface $bind) |
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{ |
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$compiledClass = $this->compile($class, $bind); |
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$instance = (new ReflectionClass($compiledClass))->newInstanceArgs($args); |
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$instance->bindings = $bind->getBindings(); |
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return $instance; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws \ReflectionException |
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*/ |
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public function compile(string $class, BindInterface $bind) : string |
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{ |
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if ($this->hasNoBinding($class, $bind)) { |
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return $class; |
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} |
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$aopClassName = $this->getAopClassName($class, $bind); |
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if (class_exists($aopClassName, false)) { |
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return $aopClassName; |
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} |
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$this->requireFile($aopClassName, new ReflectionClass($class), $bind); |
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return $aopClassName; |
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} |
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private function hasNoBinding($class, BindInterface $bind) : bool |
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{ |
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$hasMethod = $this->hasBoundMethod($class, $bind); |
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return ! $bind->getBindings() && ! $hasMethod; |
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} |
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private function hasBoundMethod(string $class, BindInterface $bind) : bool |
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{ |
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$bindingMethods = array_keys($bind->getBindings()); |
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$hasMethod = false; |
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foreach ($bindingMethods as $bindingMethod) { |
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if (method_exists($class, $bindingMethod)) { |
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$hasMethod = true; |
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} |
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} |
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return $hasMethod; |
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} |
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private function requireFile(string $aopClassName, \ReflectionClass $sourceClass, BindInterface $bind) : void |
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{ |
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$code = $this->codeGen->generate($sourceClass, $bind); |
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$file = $code->save($this->classDir, $aopClassName); |
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require_once $file; |
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class_exists($aopClassName); // ensue class is created |
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} |
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private function getAopClassName(string $class, BindInterface $bind) |
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{ |
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return sprintf('%s_%s', $class, $bind->toString('')); |
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} |
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} |
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ray-di /
Ray.Aop
