private MS2File(MS2FileInfoHeader infoHeader, MS2FileHeader header, MS2CryptoMode archiveCryptoMode, MemoryMappedFile dataFile)
{
this.InfoHeader = infoHeader ?? throw new ArgumentNullException(nameof(infoHeader));
this.Header = header ?? throw new ArgumentNullException(nameof(header));
this.ArchiveCryptoMode = archiveCryptoMode;
this.DataMemoryMappedFile = dataFile ?? throw new ArgumentNullException(nameof(dataFile));
this.CompressionType = this.Header.CompressionType;
this.IsDataEncrypted = true;
}
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);
}
private MS2File(MS2FileInfoHeader infoHeader, CompressionType compressionType, MS2CryptoMode archiveCryptoMode, Stream dataStream)
{
if (!dataStream.CanSeek)
{
throw new ArgumentException("Stream must be seekable.", nameof(dataStream));
}
this.InfoHeader = infoHeader ?? throw new ArgumentNullException(nameof(infoHeader));
this.ArchiveCryptoMode = archiveCryptoMode;
this.DataStream = dataStream ?? throw new ArgumentNullException(nameof(dataStream));
this.CompressionType = compressionType;
this.IsDataEncrypted = false;
}
public static MS2File Create(uint id, string pathInArchive, CompressionType compressionType, MS2CryptoMode archiveCryptoMode, Stream dataStream) => new MS2File(MS2FileInfoHeader.Create(id.ToString(), pathInArchive), compressionType, archiveCryptoMode, dataStream);
