/// <exception cref="System.IO.IOException"></exception>
protected internal override bool OnAppendBase(int typeCode, byte[] data, PackedObjectInfo
info)
{
info.SetOffset(packEnd);
byte[] buf = Buffer();
int sz = data.Length;
int len = 0;
buf[len++] = unchecked((byte)((typeCode << 4) | sz & 15));
sz = (int)(((uint)sz) >> 4);
while (sz > 0)
{
buf[len - 1] |= unchecked((int)(0x80));
buf[len++] = unchecked((byte)(sz & unchecked((int)(0x7f))));
sz = (int)(((uint)sz) >> 7);
}
tailDigest.Update(buf, 0, len);
crc.Reset();
crc.Update(buf, 0, len);
@out.Seek(packEnd);
@out.Write(buf, 0, len);
packEnd += len;
if (def == null)
{
def = new Deflater(Deflater.DEFAULT_COMPRESSION, false);
}
else
{
def.Reset();
}
def.SetInput(data);
def.Finish();
while (!def.IsFinished)
{
len = def.Deflate(buf);
tailDigest.Update(buf, 0, len);
crc.Update(buf, 0, len);
@out.Write(buf, 0, len);
packEnd += len;
}
info.SetCRC((int)crc.GetValue());
return true;
}
/// <summary>Construct a PackedObjectInfo instance for this parser.</summary>
/// <remarks>Construct a PackedObjectInfo instance for this parser.</remarks>
/// <param name="id">identity of the object to be tracked.</param>
/// <param name="delta">
/// if the object was previously an unresolved delta, this is the
/// delta object that was tracking it. Otherwise null.
/// </param>
/// <param name="deltaBase">
/// if the object was previously an unresolved delta, this is the
/// ObjectId of the base of the delta. The base may be outside of
/// the pack stream if the stream was a thin-pack.
/// </param>
/// <returns>info object containing this object's data.</returns>
protected internal virtual PackedObjectInfo NewInfo(AnyObjectId id, PackParser.UnresolvedDelta
delta, ObjectId deltaBase)
{
PackedObjectInfo oe = new PackedObjectInfo(id);
if (delta != null)
{
oe.SetCRC(delta.crc);
}
return oe;
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override void OnEndWholeObject(PackedObjectInfo info)
{
info.SetCRC((int)crc.GetValue());
}
