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<?php |
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declare(strict_types=1); |
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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/MIT MIT |
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*/ |
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namespace Ray\Aop; |
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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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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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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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public function __sleep() |
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{ |
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return ['classDir']; |
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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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public function newInstance($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 $instance; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function compile($class, BindInterface $bind) : string |
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{ |
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if ($this->hasNoBinding($class, $bind)) { |
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return $class; |
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} |
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$newClass = $this->getNewClassName($class, $bind); |
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if (class_exists($newClass)) { |
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return $newClass; |
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} |
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$file = "{$this->classDir}/{$newClass}.php"; |
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if (file_exists($file)) { |
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/** @noinspection UntrustedInclusionInspection */ |
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/** @noinspection PhpIncludeInspection */ |
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include $file; |
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return $newClass; |
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} |
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$this->includeGeneratedCode($newClass, new ReflectionClass($class), $file, $bind); |
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return $newClass; |
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} |
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private function hasNoBinding($class, BindInterface $bind) : bool |
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{ |
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$hasMethod = $this->hasBoundMethod($class, $bind); |
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return ! $bind->getBindings() && ! $hasMethod; |
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} |
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private function getNewClassName($class, BindInterface $bind) : string |
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{ |
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$newClass = sprintf('%s_%s', str_replace('\\', '_', $class), $bind->toString('')); |
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return $newClass; |
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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 $hasMethod; |
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} |
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private function includeGeneratedCode($newClass, \ReflectionClass $sourceClass, string $file, BindInterface $bind) |
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{ |
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$code = $this->codeGen->generate($newClass, $sourceClass, $bind); |
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file_put_contents($file, $code . PHP_EOL); |
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/** @noinspection PhpIncludeInspection */ |
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require $file; |
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} |
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} |
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koriym /
Ray.Aop
