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<?php |
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declare(strict_types=1); |
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namespace BEdita\ImportTools\Utility; |
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use BEdita\Core\Filesystem\FilesystemRegistry; |
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/** |
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* Utilities to help reading files from either the local filesystem or an adapter configured in BEdita. |
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*/ |
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trait FileTrait |
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{ |
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/** |
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* Open read-only file stream. Possible sources are: |
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* - `-` for STDIN |
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* - local paths |
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* - any URL supported by a registered PHP stream wrapper — notably, remote URLs via HTTP(S) |
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* - (if `bedita/core` is available) any mountpoint registered in `FilesystemRegistry` |
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* |
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* @param string $path Path to open file from. |
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* @return array{resource, callable(): void} |
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*/ |
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protected static function readFileStream(string $path): array |
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{ |
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/** |
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* Create a function to close the requested resource. |
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* |
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* @param resource|null $fh Resource to be closed. |
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* @return callable(): void Function to be used for closing the resource. |
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*/ |
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$closerFactory = fn ($resource): callable => function () use ($resource): void { |
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if (is_resource($resource)) { |
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fclose($resource); |
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} |
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}; |
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if ($path === '-') { |
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return [STDIN, $closerFactory(null)]; // We don't really want to close STDIN. |
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} |
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if (!str_contains($path, '://') || in_array(explode('://', $path, 2)[0], stream_get_wrappers(), true)) { |
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try { |
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$fh = fopen($path, 'rb'); |
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if ($fh === false) { |
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trigger_error(sprintf('fopen(%s): falied to open stream', $path), E_USER_ERROR); |
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} |
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} catch (\Exception $previous) { |
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throw new \RuntimeException(sprintf('Cannot open file: %s', $path), 0, $previous); |
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} |
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return [$fh, $closerFactory($fh)]; |
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} |
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if (!class_exists(FilesystemRegistry::class)) { |
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trigger_error(sprintf('Unsupported stream wrapper protocol: %s', $path), E_USER_ERROR); |
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} |
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$fh = FilesystemRegistry::getMountManager()->readStream($path); |
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return [$fh, $closerFactory($fh)]; |
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} |
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} |
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bedita /
import-tools
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