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<?php declare(strict_types = 1); |
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namespace Churn\File; |
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use const DIRECTORY_SEPARATOR; |
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use Generator; |
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use function in_array; |
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use function is_dir; |
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use function preg_match; |
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use function preg_replace; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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use SplFileInfo; |
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use function str_replace; |
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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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* @var array |
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*/ |
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private $fileExtensions; |
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/** |
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* List of files to ignore. |
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* @var array |
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*/ |
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private $filesToIgnore; |
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/** |
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* Class constructor. |
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* @param array $fileExtensions List of file extensions to look for. |
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* @param array $filesToIgnore List of files to ignore. |
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*/ |
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public function __construct(array $fileExtensions, array $filesToIgnore) |
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{ |
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$this->fileExtensions = $fileExtensions; |
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$this->filesToIgnore = $filesToIgnore; |
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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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* @param array $paths Paths in which to look for .php files. |
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* @return Generator |
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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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yield from $this->getPhpFilesFromPath($path); |
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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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* @param string $path Path in which to look for .php files. |
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* @return Generator |
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*/ |
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private function getPhpFilesFromPath(string $path): Generator |
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{ |
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if (!is_dir($path)) { |
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$file = new SplFileInfo($path); |
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yield new File($file->getRealPath(), $file->getPathName()); |
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return; |
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} |
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foreach ($this->findPhpFiles($path) as $file) { |
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yield new File($file->getRealPath(), $file->getPathName()); |
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} |
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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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* @param string $path Path in which to look for .php files. |
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* @return Generator|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) |
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|| $this->fileShouldBeIgnored($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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* @param string $path Path in which to look for .php files. |
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* @return Generator|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->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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* @param SplFileInfo $file File. |
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* @return boolean |
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*/ |
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private function fileShouldBeIgnored(SplFileInfo $file): bool |
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{ |
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foreach ($this->filesToIgnore as $fileToIgnore) { |
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$regex = $this->patternToRegex($fileToIgnore); |
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if (preg_match("#{$regex}#", $file->getRealPath())) { |
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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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* @param string $filePattern File pattern to be ignored. |
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* @return string |
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*/ |
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private function patternToRegex(string $filePattern): string |
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{ |
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$regex = 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
