private void Read(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (!stream.CanRead || stream.Length <= 1)
{
throw new NotSupportedException($"Unable to read InstallFile stream");
}
using (var br = new BinaryReader(stream))
{
InstallHeader.Read(br);
// Tags
ReadTags(br, InstallHeader.TagCount, InstallHeader.EntryCount);
// Files
for (int i = 0; i < InstallHeader.EntryCount; i++)
{
var fileEntry = new InstallFileEntry();
fileEntry.Read(br, InstallHeader);
_FileEntries.TryAdd(fileEntry.FilePath, fileEntry);
}
Checksum = stream.MD5Hash();
}
}
/// <summary>
/// Creates a new InstallFile
/// </summary>
public InstallFile()
{
InstallHeader = new InstallHeader();
_FileEntries = new Dictionary <string, InstallFileEntry>(StringComparer.OrdinalIgnoreCase);
_EncodingMap = new[]
{
new EMap(EType.ZLib, 9),
new EMap(EType.None, 6),
};
}
/// <summary>
/// Saves the InstallFile to disk and optionally updates the BuildConfig
/// </summary>
/// <param name="directory">Root Directory</param>
/// <param name="configContainer"></param>
/// <returns></returns>
public CASRecord Write(string directory, TACTRepo tactRepo = null)
{
CASRecord record;
using (var bt = new BlockTableStreamWriter(_EncodingMap[0]))
using (var bw = new BinaryWriter(bt))
{
// Header and Tag block
InstallHeader.EntryCount = (uint)_FileEntries.Count;
InstallHeader.TagCount = (ushort)_TagEntries.Count;
InstallHeader.Write(bw);
WriteTags(bw, _FileEntries.Count);
// File Entry block
bt.AddBlock(_EncodingMap[1]);
foreach (var fileEntry in _FileEntries.Values)
{
fileEntry.Write(bw);
}
// finalise
record = bt.Finalise();
record.DownloadPriority = -1;
// save
string saveLocation = Helpers.GetCDNPath(record.EKey.ToString(), "data", directory, true);
using (var fs = File.Create(saveLocation))
{
bt.WriteTo(fs);
record.BLTEPath = saveLocation;
}
}
// insert the record into the encoding and the download files
if (tactRepo != null)
{
tactRepo.EncodingFile?.AddOrUpdate(record, tactRepo);
// update the build config with the new values
if (tactRepo.ConfigContainer?.BuildConfig != null)
{
tactRepo.ConfigContainer.BuildConfig.SetValue("install-size", record.EBlock.DecompressedSize, 0);
tactRepo.ConfigContainer.BuildConfig.SetValue("install-size", record.EBlock.CompressedSize, 1);
tactRepo.ConfigContainer.BuildConfig.SetValue("install", record.CKey, 0);
tactRepo.ConfigContainer.BuildConfig.SetValue("install", record.EKey, 1);
}
}
Checksum = record.CKey;
FilePath = record.BLTEPath;
return(record);
}
public void Read(BinaryReader br, InstallHeader header)
{
FilePath = br.ReadCString();
CKey = new MD5Hash(br.ReadBytes(header.CKeySize));
DecompressedSize = br.ReadUInt32BE();
}