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<?php
declare(strict_types=1);
namespace Shirabe\Lint\Linters;
use Shirabe\Lint\Linter;
use Shirabe\Lint\Support\FileFinder;
use Shirabe\Lint\Support\Paths;
final class PhpSrcDerivationBoundary implements Linter
{
private const PHP_SRC_CRATE_PREFIX = 'crates/shirabe-php-src/';
// The origin marker every php-src derived item carries, plus the bare crate name.
private const MARKER_RE = '/php-src/i';
public function name(): string
{
return 'php_src_derivation_boundary';
}
public function failureIntro(): string
{
return "Found `php-src` mentioned outside the `shirabe-php-src` crate.\n"
. "Code written by reading php-src is licensed under php-src's terms, not Shirabe's MIT,\n"
. 'so it must live in `crates/shirabe-php-src/` and be reached through that crate:';
}
public function check(string $rootDir, array $excludes): array
{
$errors = [];
foreach (FileFinder::rustFiles($rootDir) as $path) {
$relative = Paths::relativeTo($rootDir, $path);
if (str_starts_with($relative, self::PHP_SRC_CRATE_PREFIX)) {
continue;
}
if (in_array($relative, $excludes, true)) {
continue;
}
foreach (file($path) as $idx => $raw) {
if (!preg_match(self::MARKER_RE, $raw)) {
continue;
}
$errors[] = "{$relative}:" . ($idx + 1) . ': ' . trim($raw);
}
}
return $errors;
}
}
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