extractArchiveToDiskAsync function

Future<void> extractArchiveToDiskAsync(Archive archive, String outputPath, { bool asyncWrite = false, int? bufferSize, })

Implementation

Future<void> extractArchiveToDiskAsync(Archive archive, String outputPath,
    {bool asyncWrite = false, int? bufferSize}) async {
  final futures = <Future<void>>[];
  final outDir = Directory(outputPath);
  if (!outDir.existsSync()) {
    outDir.createSync(recursive: true);
  }
  for (final file in archive.files) {
    final filePath = path.join(outputPath, path.normalize(file.name));

    if ((!file.isFile && !file.isSymbolicLink) ||
        !isWithinOutputPath(outputPath, filePath)) {
      continue;
    }

    if (file.isSymbolicLink) {
      if (!_isValidSymLink(outputPath, file)) {
        continue;
      }
    }

    if (asyncWrite) {
      if (file.isSymbolicLink) {
        final link = Link(filePath);
        await link.create(path.normalize(file.nameOfLinkedFile),
            recursive: true);
      } else {
        final output = File(filePath);
        final f = await output.create(recursive: true);
        final fp = await f.open(mode: FileMode.write);
        final bytes = file.content as List<int>;
        await fp.writeFrom(bytes);
        file.clear();
        futures.add(fp.close());
      }
    } else {
      if (file.isSymbolicLink) {
        final link = Link(filePath);
        link.createSync(path.normalize(file.nameOfLinkedFile), recursive: true);
      } else {
        final output = OutputFileStream(filePath, bufferSize: bufferSize);
        try {
          file.writeContent(output);
        } catch (err) {
          //
        }
        await output.close();
      }
    }
  }
  if (futures.isNotEmpty) {
    await Future.wait(futures);
    futures.clear();
  }
}