private static async Task ExtractArchiveSync(string headerFile, string dataFile, string destinationPath)
{
using (MS2Archive archive = await MS2Archive.Load(headerFile, dataFile).ConfigureAwait(false))
{
List <MS2File> files = archive.Files;
for (int i = 0; i < files.Count; i++)
{
MS2File file = files[i];
Logger.Info($"Extracting file \"{file.Name}\", \"{FileEx.FormatStorage(file.Header.Size)}\". ({file.Header.Id}/{files.Count})");
await ExtractFileAsync(destinationPath, file).ConfigureAwait(false);
}
}
}
private static async Task ExtractFileAsync(string destinationPath, MS2File file)
{
if (String.IsNullOrWhiteSpace(file.Name))
{
Logger.Warning($"File number \"{file.Id}\", \"{FileEx.FormatStorage(file.Header.Size)}\" has no name and will be ignored.");
return;
}
string fileDestinationPath = Path.Combine(destinationPath, file.Name);
(Stream stream, bool shouldDispose) = await file.GetDecryptedStreamAsync().ConfigureAwait(false);
try
{
await stream.CopyToAsync(fileDestinationPath).ConfigureAwait(false);
}
finally
{
if (shouldDispose)
{
stream.Dispose();
}
}
}
internal static async Task <MS2File> Load(MS2CryptoMode cryptoMode, Stream headerStream, Stream dataStream, MemoryMappedFile dataMemoryMappedFile)
{
MS2FileInfoHeader fileInfoHeader = await MS2FileInfoHeader.Load(headerStream).ConfigureAwait(false);
MS2FileHeader fileHeader = await MS2FileHeader.Load(cryptoMode, dataStream).ConfigureAwait(false);
DLogger.Write($"Id={fileInfoHeader.Id}-{fileHeader.Id}, CompressionId={fileHeader.CompressionType}, RootFolder={fileInfoHeader.RootFolderId}, Name={fileInfoHeader.Name}, Size={FileEx.FormatStorage(fileHeader.EncodedSize)}->{FileEx.FormatStorage(fileHeader.CompressedSize)}->{FileEx.FormatStorage(fileHeader.Size)}");
var file = new MS2File(fileInfoHeader, fileHeader, cryptoMode, dataMemoryMappedFile);
return(file);
}
