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<?php |
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declare(strict_types=1); |
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namespace Churn\File; |
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use Generator; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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use SplFileInfo; |
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/** |
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* @internal |
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*/ |
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final class FileFinder |
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{ |
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/** |
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* List of file extensions to look for. |
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* |
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* @var array<string> |
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*/ |
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private $fileExtensions; |
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/** |
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* List of regular expressions used to filter files to ignore. |
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* |
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* @var array<string> |
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*/ |
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private $filters; |
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/** |
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* The base path. |
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* |
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* @var string |
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*/ |
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private $basePath; |
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/** |
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* Class constructor. |
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* |
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* @param array<string> $fileExtensions List of file extensions to look for. |
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* @param array<string> $filesToIgnore List of files to ignore. |
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* @param string $basePath The base path. |
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*/ |
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public function __construct(array $fileExtensions, array $filesToIgnore, string $basePath) |
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{ |
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$this->fileExtensions = $fileExtensions; |
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$this->filters = \array_map(function (string $fileToIgnore): string { |
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return $this->patternToRegex($fileToIgnore); |
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}, $filesToIgnore); |
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$this->basePath = $basePath; |
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} |
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/** |
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* Recursively finds all files with the .php extension in the provided |
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* $paths and returns list as array. |
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* |
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* @param array<string> $paths Paths in which to look for .php files. |
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* @return Generator<int, File> |
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*/ |
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public function getPhpFiles(array $paths): Generator |
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{ |
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foreach ($paths as $path) { |
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$absolutePath = FileHelper::toAbsolutePath($path, $this->basePath); |
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yield from $this->getPhpFilesFromPath($absolutePath); |
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} |
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} |
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/** |
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* Recursively finds all files with the .php extension in the provided |
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* $path adds them to $this->files. |
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* |
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* @param string $path Path in which to look for .php files. |
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* @return Generator<int, File> |
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*/ |
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private function getPhpFilesFromPath(string $path): Generator |
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{ |
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if (\is_file($path)) { |
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$file = new SplFileInfo($path); |
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yield new File((string) $file->getRealPath(), $this->getDisplayPath($file)); |
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return; |
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} |
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if (!\is_dir($path)) { |
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// invalid path |
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return; |
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} |
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foreach ($this->findPhpFiles($path) as $file) { |
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yield new File((string) $file->getRealPath(), $this->getDisplayPath($file)); |
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} |
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} |
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/** |
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* @param SplFileInfo $file The file object. |
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* @return string The file path to display. |
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*/ |
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private function getDisplayPath(SplFileInfo $file): string |
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{ |
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return FileHelper::toRelativePath($file->getPathname(), $this->basePath); |
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} |
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/** |
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* Recursively finds all PHP files in a given directory. |
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* |
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* @param string $path Path in which to look for .php files. |
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* @return Generator<int, SplFileInfo> |
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*/ |
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private function findPhpFiles(string $path): Generator |
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{ |
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foreach ($this->findFiles($path) as $file) { |
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if (!\in_array($file->getExtension(), $this->fileExtensions, true) || $this->fileShouldBeIgnored($file)) { |
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continue; |
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} |
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yield $file; |
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} |
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} |
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/** |
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* Recursively finds all files in a given directory. |
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* |
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* @param string $path Path in which to look for .php files. |
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* @return Generator<int, SplFileInfo> |
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*/ |
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private function findFiles(string $path): Generator |
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{ |
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$directoryIterator = new RecursiveDirectoryIterator($path); |
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foreach (new RecursiveIteratorIterator($directoryIterator) as $item) { |
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if (!$item instanceof SplFileInfo || $item->isDir()) { |
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continue; |
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} |
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yield $item; |
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} |
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} |
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/** |
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* Determines if a file should be ignored. |
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* |
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* @param SplFileInfo $file File. |
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*/ |
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private function fileShouldBeIgnored(SplFileInfo $file): bool |
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{ |
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foreach ($this->filters as $regex) { |
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$realPath = $file->getRealPath(); |
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if (false === $realPath || (bool) \preg_match("#{$regex}#", $realPath)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Translate file path pattern to regex string. |
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* |
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* @param string $filePattern File pattern to be ignored. |
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*/ |
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private function patternToRegex(string $filePattern): string |
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{ |
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$regex = (string) \preg_replace("#(.*)\*([\w.]*)$#", "$1.+$2$", $filePattern); |
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if ('\\' === \DIRECTORY_SEPARATOR) { |
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$regex = \str_replace('/', '\\\\', $regex); |
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} |
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return $regex; |
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} |
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} |
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bmitch /
churn-php
