public PackObject GetObjectWithOffset(GitPackReader reader)
{
Debug.WriteLine("Fetching object with offset: {0}".FormatWith(reader.Position));
// Read first byte, it contains the type and 4 bits of object length
byte buffer = reader.ReadByte();
ObjectType type = (ObjectType)((buffer >> 4) & 7);
long size = buffer & 0xf;
// Read byte while 8th bit is 1.
int bitCount = 4;
while ((buffer & 0x80) != 0) // >> 7 == 1);
{
buffer = reader.ReadByte();
size |= ((long)buffer & 0x7f) << bitCount;
bitCount += 7;
}
if (type == ObjectType.RefDelta)
{
return new REFDelta(size, type, reader);
}
else if (type == ObjectType.OFSDelta)
{
return new OFSDelta(size, type, reader);
}
else
{
using (MemoryStream inflated = reader.UncompressToLength(size))
{
return new Undeltified(size, type, inflated.ToArray());
}
}
}
public PackObject GetObjectWithOffset(long offset)
{
using (GitPackReader reader = new GitPackReader(File.OpenRead(Path)))
{
// Set stream position to offset
reader.Position = offset;
// Read first byte, it contains the type and 4 bits of object length
byte buffer = reader.ReadByte();
ObjectType type = (ObjectType)((buffer >> 4) & 7);
long size = buffer & 0xf;
// Read byte while 8th bit is 1.
int bitCount = 4;
do
{
buffer = reader.ReadByte();
size |= ((long)buffer & 0x7f) << bitCount;
bitCount += 7;
} while (buffer >> 7 == 1);
if (type == ObjectType.RefDelta)
{
return(new REFDelta(size, type, reader));
}
else if (type == ObjectType.OFSDelta)
{
return(new OFSDelta(size, type, reader));
}
else
{
using (MemoryStream inflated = reader.UncompressToLength(size))
{
return(new Undeltified(size, type, inflated.ToArray()));
}
}
}
}
public PackObject GetObjectWithOffset(long offset)
{
using (GitPackReader reader = new GitPackReader(File.OpenRead(Path)))
{
// Set stream position to offset
reader.Position = offset;
// Read first byte, it contains the type and 4 bits of object length
byte buffer = reader.ReadByte();
ObjectType type = (ObjectType)((buffer >> 4) & 7);
long size = buffer & 0xf;
// Read byte while 8th bit is 1.
int bitCount = 4;
do
{
buffer = reader.ReadByte();
size |= ((long)buffer & 0x7f) << bitCount;
bitCount += 7;
} while (buffer >> 7 == 1);
if (type == ObjectType.RefDelta)
{
return new REFDelta(size, type, reader);
}
else if (type == ObjectType.OFSDelta)
{
return new OFSDelta(size, type, reader);
}
else
{
using (MemoryStream inflated = reader.UncompressToLength(size))
{
return new Undeltified(size, type, inflated.ToArray());
}
}
}
}
