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<?php |
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/** |
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* @copyright 2018 Aleksander Stelmaczonek <[email protected]> |
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* @license MIT License, see license file distributed with this source code |
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*/ |
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namespace Koriit\PHPDeps\Modules; |
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use Koriit\PHPDeps\Graph\DirectedGraph; |
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use Koriit\PHPDeps\Graph\Vertex; |
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use Koriit\PHPDeps\Modules\Exceptions\ModuleNotFound; |
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use Koriit\PHPDeps\Tokenizer\DependenciesReader; |
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use Koriit\PHPDeps\Tokenizer\Exceptions\MalformedFile; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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class ModuleReader |
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{ |
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/** @var DependenciesReader */ |
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private $fileReader; |
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public function __construct(DependenciesReader $fileReader) |
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{ |
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$this->fileReader = $fileReader; |
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} |
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/** |
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* @param Module[] $modules |
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* |
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* @throws MalformedFile |
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* @throws ModuleNotFound |
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* |
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* @return DirectedGraph Graph describing dependencies between modules |
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*/ |
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public function generateDependenciesGraph(array $modules) |
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{ |
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/** @var Vertex[] $vertices */ |
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$vertices = []; |
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foreach ($modules as $module) { |
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$vertices[] = new Vertex($module); |
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} |
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foreach ($vertices as $vertex) { |
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$dependencies = $this->findModuleDependencies($vertex->getValue()->getPath()); |
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foreach ($dependencies as $dependency) { |
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foreach ($vertices as $neighbour) { |
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if ($vertex !== $neighbour && \preg_match($neighbour->getValue()->getPattern(), $dependency)) { |
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$vertex->addNeighbour($neighbour); |
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} |
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} |
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} |
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} |
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return new DirectedGraph($vertices); |
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} |
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/** |
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* @param string $modulePath Path to module, either file or directory |
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* |
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* @throws MalformedFile |
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* @throws ModuleNotFound |
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* |
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* @return string[] List of module's dependencies |
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*/ |
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public function findModuleDependencies($modulePath) |
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{ |
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$dependencies = []; |
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$files = $this->findPHPFiles($modulePath); |
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foreach ($files as $file) { |
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$dependencies = \array_merge($dependencies, $this->fileReader->findFileDependencies($file)); |
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} |
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// remove duplicates |
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$dependencies = \array_unique($dependencies); |
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// reindex array |
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return \array_values($dependencies); |
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} |
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/** |
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* @param string $modulePath |
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* |
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* @throws ModuleNotFound |
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* |
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* @return string[] Paths to PHP files in the module |
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*/ |
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private function findPHPFiles($modulePath) |
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{ |
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$files = []; |
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if (\is_dir($modulePath)) { |
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$dirIterator = new RecursiveDirectoryIterator($modulePath); |
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$iterator = new RecursiveIteratorIterator($dirIterator); |
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foreach ($iterator as $file) { |
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if (\preg_match("/\.php$/i", $file)) { |
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$files[] = (string) $file; |
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} |
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} |
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} elseif (\is_file($modulePath)) { |
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$files[] = $modulePath; |
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} else { |
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throw new ModuleNotFound($modulePath); |
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} |
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return $files; |
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} |
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} |
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Koriit /
PHPDeps
