private bool RenameItems(List <PatchRenamedItem> items)
{
string rootPath = comms.SelfPatching ? comms.DecompressedFilesPath : comms.RootPath;
for (int i = 0; i < items.Count; i++)
{
if (comms.Cancel)
{
return(false);
}
string fromAbsolutePath = rootPath + items[i].BeforePath;
string toAbsolutePath = rootPath + items[i].AfterPath;
if (File.Exists(fromAbsolutePath))
{
PatchUtils.MoveFile(fromAbsolutePath, toAbsolutePath);
}
else if (Directory.Exists(fromAbsolutePath))
{
PatchUtils.MoveDirectory(fromAbsolutePath, toAbsolutePath);
}
}
return(true);
}
public static void CalculateDelta(string sourcePath, string targetPath, string deltaPath, int quality = 3, FilePatchProgress progressReporter = null)
{
// Try different chunk sizes to find the smallest diff file
if (quality < 1)
{
quality = 1;
}
int[] chunkSizes = new int[quality * 2 - 1];
chunkSizes[0] = SignatureBuilder.DefaultChunkSize;
int validChunkSizes = 1;
int currentChunkSize = chunkSizes[0];
for (int i = 1; i < quality; i++)
{
currentChunkSize /= 2;
if (currentChunkSize < SignatureBuilder.MinimumChunkSize)
{
break;
}
chunkSizes[validChunkSizes++] = currentChunkSize;
}
currentChunkSize = chunkSizes[0];
for (int i = 1; i < quality; i++)
{
currentChunkSize *= 2;
if (currentChunkSize > SignatureBuilder.MaximumChunkSize)
{
break;
}
chunkSizes[validChunkSizes++] = currentChunkSize;
}
string deltaPathTemp = deltaPath + ".detmp";
string signaturePathTemp = deltaPath + ".sgtmp";
long deltaSize = 0L;
for (int i = 0; i < validChunkSizes; i++)
{
if (i == 0)
{
CalculateDeltaInternal(sourcePath, targetPath, deltaPath, signaturePathTemp, chunkSizes[i], progressReporter);
deltaSize = new FileInfo(deltaPath).Length;
}
else
{
CalculateDeltaInternal(sourcePath, targetPath, deltaPathTemp, signaturePathTemp, chunkSizes[i], progressReporter);
long newDeltaSize = new FileInfo(deltaPathTemp).Length;
if (newDeltaSize < deltaSize)
{
PatchUtils.MoveFile(deltaPathTemp, deltaPath);
deltaSize = newDeltaSize;
}
}
}
File.Delete(deltaPathTemp);
File.Delete(signaturePathTemp);
}
