public void Unprepare()
{
if (PreparedStream == null)
{
return;
}
PreparedStream.Close();
PreparedStream.Dispose();
PreparedStream = null;
}
public override IPatchResult Parse(string inputDir, string outputDir)
{
if (!IsFile)
{
var path = Path.Combine(outputDir, Filename).TrimEnd('\\');
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
return(new PatchResultSuccessful(path));
}
using (var reader = new BinaryReader(PreparedStream))
{
var Length = reader.ReadInt32();
var Checksum = reader.ReadUInt32();
var calculatedChecksum = CRC32.CalculateChecksumStream(PreparedStream);
PreparedStream.Position = 8;
var outputFile = Path.Combine(outputDir, Filename);
Directory.CreateDirectory(Path.GetDirectoryName(outputFile));
using (var os = File.OpenWrite(outputFile))
{
PreparedStream.CopyTo(os);
}
if (calculatedChecksum != Checksum)
{
return(new PatchResultPatchedFileCorrupt(outputFile));
}
return(new PatchResultSuccessful(outputFile));
}
}
