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<?php |
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/** |
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* This file is part of fswatch |
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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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declare(strict_types=1); |
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namespace Slick\FsWatch; |
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/** |
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* FileTools |
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* |
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* @package Slick\FsWatch |
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*/ |
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final class FileTools |
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{ |
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/** |
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* Normalizes a file path by replacing backslashes with forward slashes, |
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* removing trailing slashes, and converting Windows drive letter prefixes to forward slashes. |
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* |
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* @param string $path The file path to normalize. |
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* @return string The normalized file path. |
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*/ |
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public function normalizePath(string $path): string |
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{ |
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$path = rtrim(str_replace('\\', '/', $path), '/'); |
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$path = (string) preg_replace('/\w:\//i', '/', $path); |
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return is_dir($path) === true ? $path.'/' : $path; |
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} |
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/** |
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* Calculates the total size of a directory or file. |
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* |
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* @param string $path The path of the directory or file. |
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* @return int The total size in bytes. |
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*/ |
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public function calculateSize(string $path): int |
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{ |
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$result = 0; |
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$path = $this->normalizePath($path); |
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if (is_dir($path)) { |
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return $this->calculateDirectorySize($path); |
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} |
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if (is_file($path)) { |
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$result += intval(sprintf('%u', filesize($path))); |
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} |
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return $result; |
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} |
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private function calculateDirectorySize(string $path): int |
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{ |
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$handle = opendir($path); |
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$result = 0; |
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while ($handle && ($file = readdir($handle)) !== false) { |
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if ($file === '.' || $file === '..') { |
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continue; |
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} |
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$filePath = $path . $file; |
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if (is_dir($filePath)) { |
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$result += $this->calculateSize($filePath); |
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continue; |
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} |
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$result += intval(sprintf('%u', filesize($filePath))); |
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} |
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unset($handle); |
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return $result; |
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} |
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/** |
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* Flattens a size map recursively into a one-dimensional array. |
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* |
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* @param array<string, mixed> $map The size map to flatten. |
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* @param string $glue The separator to use between the keys in the flattened array. Default is '/'. |
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* |
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* @return array<string, int> The flattened size map. |
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*/ |
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public function flattenSizeMap(array $map, string $glue = '/'): array |
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{ |
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$flattened = []; |
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$this->flattenMap('', $map, $flattened, $glue); |
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return $flattened; |
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} |
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/** |
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* Recursively flattens a map into a one-dimensional array. |
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* |
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* @param string $path The current path in the map. |
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* @param array<string, mixed> $map The map to flatten. |
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* @param array<string, mixed> &$flattened The flattened map. |
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* @param string $glue The separator to use between the keys in the flattened array. |
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* |
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* @return void |
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*/ |
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private function flattenMap(string $path, array $map, array &$flattened, string $glue): void |
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{ |
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foreach ($map as $key => $value) { |
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$newKey = ltrim($path.$glue.$key, '/'); |
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if (is_array($value)) { |
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$this->flattenMap($newKey, $value, $flattened, $glue); |
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continue; |
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} |
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$flattened[$newKey] = $value; |
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} |
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} |
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} |
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