public XDeltaPatch(byte[] source, byte[] target)
{
OriginalFilesize = source.Length;
PatchedFilesize = target.Length;
// TODO: Change this ASAP when I compile the DLLs for XDelta, replace this executable call with a library link, which
// will be a thousand times faster, specially on PCs with old HDDs.
var targetFilename = Path.GetTempFileName();
var sourceFilename = Path.GetTempFileName();
var patchFilename = Path.GetTempFileName();
{
using var targetFile = File.OpenWrite(targetFilename);
targetFile.Write(target, 0, target.Length);
using var sourceFile = File.OpenWrite(sourceFilename);
sourceFile.Write(source, 0, source.Length);
}
XDelta.CreatePatch(targetFilename, sourceFilename, patchFilename);
using var patchFile = File.OpenRead(patchFilename);
Data = new byte[patchFile.Length];
patchFile.Read(Data, 0, (int)patchFile.Length);
}
public byte[] Apply(byte[] source)
{
// TODO: Change this ASAP when I compile the DLLs for XDelta, replace this executable call with a library link, which
// will be a thousand times faster, specially on PCs with old HDDs.
var patchFilename = Path.GetTempFileName();
var sourceFilename = Path.GetTempFileName();
var resultFilename = Path.GetTempFileName();
{
using var patchFile = File.OpenWrite(patchFilename);
patchFile.Write(Data, 0, Data.Length);
using var sourceFile = File.OpenWrite(sourceFilename);
sourceFile.Write(source, 0, source.Length);
}
XDelta.ApplyPatch(patchFilename, sourceFilename, resultFilename);
using var resultFile = File.OpenRead(resultFilename);
byte[] resultData = new byte[resultFile.Length];
resultFile.Read(resultData, 0, (int)resultFile.Length);
return(resultData);
}
