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<?php |
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/** |
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* This file is part of the NeedleProject\Common package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace NeedleProject\Common; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\LogLevel; |
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/** |
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* Class ErrorToExceptionConverter |
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* |
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* @package NeedleProject\Common |
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* @author Adrian Tilita <[email protected]> |
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* @copyright 2017 Adrian Tilita |
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* @license https://opensource.org/licenses/MIT MIT Licence |
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*/ |
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class ClassFinder |
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{ |
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use LoggerAwareTrait; |
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/** |
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* @const string |
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*/ |
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const BASE_EXTENSION = '.php'; |
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/** |
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* @var null|string Fully qualified path |
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*/ |
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private $searchPath = null; |
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/** |
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* @var null|string Fully qualified namespace |
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*/ |
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private $classType = null; |
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/** |
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* @var null|string The extension of a file in format ".ext" |
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*/ |
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private $extension = null; |
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/** |
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* ClassSearchService constructor. |
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* @param string $searchPath Fully qualified path |
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* @param string $classType Fully qualified path |
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*/ |
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public function __construct($searchPath, $classType) |
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{ |
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$this->searchPath = $searchPath; |
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$this->classType = $classType; |
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$this->extension = static::BASE_EXTENSION; |
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} |
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/** |
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* Start searching for files |
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* @return array |
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*/ |
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public function findClasses() |
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{ |
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$files = $this->getFiles($this->searchPath); |
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// if class are not loaded they will ne be caught by "declared_classes" |
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$this->loadFiles($files); |
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return $this->identifyClasses(); |
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} |
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/** |
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* Log Messages |
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* @param string $message |
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*/ |
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private function log($message) |
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{ |
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if (!is_null($this->logger)) { |
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$this->logger->log( |
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LogLevel::DEBUG, |
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sprintf("[%s] - %s", date('Y-m-d H:i:s'), $message) |
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); |
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} |
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} |
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/** |
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* Scan a directory and list all files that correspond to given criteria |
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* @param string $directory |
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* @return array |
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*/ |
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private function getFiles($directory) |
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{ |
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$fileList = []; |
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$files = scandir($directory); |
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$this->log(sprintf("Scanning dir %s, found %d files", $directory, count($files))); |
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foreach ($files as $index => $file) { |
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// recursive retrieve files in subdirectories |
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if (true === is_dir($directory . DIRECTORY_SEPARATOR . $file) && !in_array($file, [".", ".."])) { |
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$fileList = array_merge( |
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$fileList, |
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$this->getFiles($directory . DIRECTORY_SEPARATOR . $file) |
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); |
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continue; |
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} |
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// not the file we want |
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if (false === $this->isRequiredFile($file)) { |
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$this->log(sprintf("Files %s is not required", $directory . DIRECTORY_SEPARATOR . $file)); |
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continue; |
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} |
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$this->log(sprintf("Collected %s", $directory . DIRECTORY_SEPARATOR . $file)); |
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$fileList[] = $directory . DIRECTORY_SEPARATOR . $file; |
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} |
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return $fileList; |
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} |
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/** |
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* @param string $file |
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* @return bool |
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*/ |
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private function isRequiredFile($file) |
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{ |
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return substr($file, strlen($this->extension) * -1) === $this->extension; |
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} |
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/** |
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* Load all files that are not caught by auto-loader |
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* @param array $files |
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*/ |
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private function loadFiles($files) |
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{ |
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foreach ($files as $file) { |
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require_once $file; |
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} |
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} |
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/** |
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* @return array |
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*/ |
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private function identifyClasses() |
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{ |
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$definedClasses = get_declared_classes(); |
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$models = []; |
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foreach ($definedClasses as $className) { |
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if (false === $this->isA($className, $this->classType)) { |
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continue; |
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} |
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$models[] = $className; |
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} |
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return $models; |
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} |
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/** |
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* Identify if a class-name extends a type or implements an interface |
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* @param string $className |
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* @param string $classType |
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* @return bool |
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*/ |
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private function isA($className, $classType) |
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{ |
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$types = array_merge( |
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class_parents($className), |
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class_implements($className) |
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); |
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$this->log(sprintf("Class %s is a %s", $className, implode(', ', $types))); |
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return in_array($classType, $types); |
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} |
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} |
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needle-project /
common
