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<?php |
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/** |
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* This program is free software. It comes without any warranty, to |
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* the extent permitted by applicable law. You can redistribute it |
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* and/or modify it under the terms of the Do What The Fuck You Want |
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* To Public License, Version 2, as published by Sam Hocevar. See |
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* http://www.wtfpl.net/ for more details. |
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*/ |
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declare(strict_types = 1); |
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namespace hanneskod\classtools\Iterator; |
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use Symfony\Component\Finder\Finder; |
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use hanneskod\classtools\Transformer\Writer; |
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use hanneskod\classtools\Transformer\MinimizingWriter; |
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use hanneskod\classtools\Iterator\Filter\CacheFilter; |
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use hanneskod\classtools\Iterator\Filter\NameFilter; |
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use hanneskod\classtools\Iterator\Filter\NamespaceFilter; |
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use hanneskod\classtools\Iterator\Filter\NotFilter; |
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use hanneskod\classtools\Iterator\Filter\TypeFilter; |
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use hanneskod\classtools\Iterator\Filter\WhereFilter; |
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use hanneskod\classtools\Exception\LogicException; |
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use hanneskod\classtools\Loader\ClassLoader; |
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use hanneskod\classtools\Exception\ReaderException; |
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/** |
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* Iterate over classes found in filesystem |
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* |
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* @author Hannes Forsgård <[email protected]> |
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*/ |
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class ClassIterator implements ClassIteratorInterface |
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{ |
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/** |
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* @var SplFileInfo[] Maps names to SplFileInfo objects |
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*/ |
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private $classMap = []; |
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/** |
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* @var string[] |
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*/ |
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private $errors = []; |
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/** |
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* @var ClassLoader |
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*/ |
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private $loader; |
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/** |
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* Scan filesystem for classes, interfaces and traits |
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*/ |
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public function __construct(Finder $finder = null) |
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{ |
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/** @var \Symfony\Component\Finder\SplFileInfo $fileInfo */ |
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foreach (($finder ?: []) as $fileInfo) { |
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$fileInfo = new SplFileInfo($fileInfo); |
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try { |
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foreach ($fileInfo->getReader()->getDefinitionNames() as $name) { |
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$this->classMap[$name] = $fileInfo; |
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} |
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} catch (ReaderException $exception) { |
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$this->errors[] = $exception->getMessage(); |
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} |
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} |
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} |
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/** |
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* Enable garbage collection of the autoloader at destruct |
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*/ |
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public function __destruct() |
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{ |
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$this->disableAutoloading(); |
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} |
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public function getErrors(): array |
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{ |
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return $this->errors; |
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} |
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public function getClassMap(): array |
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{ |
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return $this->classMap; |
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} |
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public function enableAutoloading(): void |
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{ |
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$this->loader = new ClassLoader($this, true); |
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} |
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public function disableAutoloading(): void |
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{ |
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if (isset($this->loader)) { |
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$this->loader->unregister(); |
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unset($this->loader); |
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} |
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} |
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public function getIterator(): iterable |
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{ |
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/** @var SplFileInfo $fileInfo */ |
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foreach ($this->getClassMap() as $name => $fileInfo) { |
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try { |
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yield $name => new \ReflectionClass($name); |
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} catch (\ReflectionException $e) { |
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$msg = "Unable to iterate, {$e->getMessage()}, is autoloading enabled?"; |
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throw new LogicException($msg, 0, $e); |
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} |
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} |
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} |
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public function filter(Filter $filter): Filter |
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{ |
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$filter->bindTo($this); |
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return $filter; |
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} |
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public function type(string $typename): Filter |
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{ |
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return $this->filter(new TypeFilter($typename)); |
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} |
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public function name(string $pattern): Filter |
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{ |
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return $this->filter(new NameFilter($pattern)); |
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} |
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public function inNamespace(string $namespace): Filter |
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{ |
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return $this->filter(new NamespaceFilter($namespace)); |
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} |
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public function where(string $methodName, $expectedReturn = true): Filter |
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{ |
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return $this->filter(new WhereFilter($methodName, $expectedReturn)); |
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} |
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public function not(Filter $filter): Filter |
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{ |
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return $this->filter(new NotFilter($filter)); |
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} |
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public function cache(): Filter |
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{ |
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return $this->filter(new CacheFilter); |
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} |
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public function transform(Writer $writer): string |
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{ |
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$code = ''; |
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/** @var SplFileInfo $fileInfo */ |
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foreach ($this->getClassMap() as $name => $fileInfo) { |
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$code .= $writer->write($fileInfo->getReader()->read($name)) . "\n"; |
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} |
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return "<?php $code"; |
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} |
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public function minimize(): string |
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{ |
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return $this->transform(new MinimizingWriter); |
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} |
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} |
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hanneskod /
classtools
