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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * This file is part of fast-forward/dev-tools. |
| 7 | * |
| 8 | * This source file is subject to the license bundled |
| 9 | * with this source code in the file LICENSE. |
| 10 | * |
| 11 | * @copyright Copyright (c) 2026 Felipe Sayão Lobato Abreu <github@mentordosnerds.com> |
| 12 | * @license https://opensource.org/licenses/MIT MIT License |
| 13 | * |
| 14 | * @see https://github.com/php-fast-forward/dev-tools |
| 15 | * @see https://github.com/php-fast-forward |
| 16 | * @see https://datatracker.ietf.org/doc/html/rfc2119 |
| 17 | */ |
| 18 | |
| 19 | namespace FastForward\DevTools\GitAttributes; |
| 20 | |
| 21 | use function Safe\preg_replace; |
| 22 | |
| 23 | /** |
| 24 | * Filters export-ignore candidates using normalized path comparisons. |
| 25 | * |
| 26 | * This filter SHALL compare configured keep-in-export paths against canonical |
| 27 | * candidates while ignoring leading and trailing slash differences. It MUST |
| 28 | * preserve the original candidate ordering in the filtered result. |
| 29 | */ |
| 30 | class ExportIgnoreFilter implements ExportIgnoreFilterInterface |
| 31 | { |
| 32 | /** |
| 33 | * Filters export-ignore candidates using the configured keep-in-export paths. |
| 34 | * |
| 35 | * @param list<string> $candidates the canonical candidate paths |
| 36 | * @param list<string> $keepInExportPaths the paths that MUST remain exportable |
| 37 | * |
| 38 | * @return list<string> the filtered export-ignore candidates |
| 39 | */ |
| 40 | public function filter(array $candidates, array $keepInExportPaths): array |
| 41 | { |
| 42 | $keptPathLookup = []; |
| 43 | |
| 44 | foreach ($keepInExportPaths as $path) { |
| 45 | $normalizedPath = $this->normalizePath($path); |
| 46 | |
| 47 | if ('' === $normalizedPath) { |
| 48 | continue; |
| 49 | } |
| 50 | |
| 51 | $keptPathLookup[$normalizedPath] = true; |
| 52 | } |
| 53 | |
| 54 | return array_values(array_filter( |
| 55 | $candidates, |
| 56 | fn(string $candidate): bool => ! isset($keptPathLookup[$this->normalizePath($candidate)]) |
| 57 | )); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Normalizes a configured path for stable matching. |
| 62 | * |
| 63 | * @param string $path the raw path from candidates or Composer extra config |
| 64 | * |
| 65 | * @return string the normalized path used for comparisons |
| 66 | */ |
| 67 | private function normalizePath(string $path): string |
| 68 | { |
| 69 | $trimmedPath = trim($path); |
| 70 | |
| 71 | if ('' === $trimmedPath) { |
| 72 | return ''; |
| 73 | } |
| 74 | |
| 75 | $normalizedPath = preg_replace('#/+#', '/', '/' . ltrim($trimmedPath, '/')) ?? $trimmedPath; |
| 76 | |
| 77 | return '/' === $normalizedPath ? $normalizedPath : rtrim($normalizedPath, '/'); |
| 78 | } |
| 79 | } |