private void ResolveChildDeltaChain(int type, byte[] data, UnresolvedDelta a)
{
while (a != null)
{
ResolveDeltas(a.HeaderOffset, a.Crc32, type, data, null);
a = a.Next;
}
}
private void ResolveChildDeltaChain(int type, byte[] data, UnresolvedDelta a)
{
while (a != null)
{
ResolveDeltas(a.Position, a.Crc, type, data, null);
a = a.Next;
}
}
public UnresolvedDelta Remove()
{
UnresolvedDelta r = Head;
if (r != null)
{
Head = null;
}
return(r);
}
private static UnresolvedDelta Reverse(UnresolvedDelta c)
{
UnresolvedDelta tail = null;
while (c != null)
{
UnresolvedDelta n = c.Next;
c.Next = tail;
tail = c;
c = n;
}
return(tail);
}
private void ResolveChildDeltas(long pos, int type, byte[] data, AnyObjectId objectId)
{
UnresolvedDelta a = Reverse(RemoveBaseById(objectId));
UnresolvedDelta b = Reverse(_baseByPos.remove(pos));
while (a != null && b != null)
{
if (a.Position < b.Position)
{
ResolveDeltas(a.Position, a.Crc, type, data, null);
a = a.Next;
}
else
{
ResolveDeltas(b.Position, b.Crc, type, data, null);
b = b.Next;
}
}
ResolveChildDeltaChain(type, data, a);
ResolveChildDeltaChain(type, data, b);
}
private void ResolveChildDeltaChain(int type, byte[] data, UnresolvedDelta a)
{
while (a != null)
{
ResolveDeltas(a.HeaderOffset, a.Crc32, type, data, null);
a = a.Next;
}
}
private void IndexOneObject()
{
long pos = Position();
_crc.Reset();
int c = ReadFromInput();
int typeCode = (c >> 4) & 7;
long sz = c & 15;
int shift = 4;
while ((c & 0x80) != 0)
{
c = ReadFromInput();
sz += (c & 0x7f) << shift;
shift += 7;
}
switch (typeCode)
{
case Constants.OBJ_COMMIT:
case Constants.OBJ_TREE:
case Constants.OBJ_BLOB:
case Constants.OBJ_TAG:
Whole(typeCode, pos, sz);
break;
case Constants.OBJ_OFS_DELTA:
c = ReadFromInput();
long ofs = c & 127;
while ((c & 128) != 0)
{
ofs += 1;
c = ReadFromInput();
ofs <<= 7;
ofs += (c & 127);
}
long pbase = pos - ofs;
SkipInflateFromInput(sz);
var n = new UnresolvedDelta(pos, (int)_crc.Value);
n.Next = _baseByPos.put(pbase, n);
_deltaCount++;
break;
case Constants.OBJ_REF_DELTA:
c = FillFromInput(20);
_crc.Update(_buffer, c, 20);
ObjectId baseId = ObjectId.FromRaw(_buffer, c);
Use(20);
DeltaChain r = _baseById.Get(baseId);
if (r == null)
{
r = new DeltaChain(baseId);
_baseById.Add(r);
}
SkipInflateFromInput(sz);
r.Add(new UnresolvedDelta(pos, (int)_crc.Value));
_deltaCount++;
break;
default:
throw new IOException("Unknown object type " + typeCode + ".");
}
}
private static UnresolvedDelta Reverse(UnresolvedDelta c)
{
UnresolvedDelta tail = null;
while (c != null)
{
UnresolvedDelta n = c.Next;
c.Next = tail;
tail = c;
c = n;
}
return tail;
}
public UnresolvedDelta Remove()
{
UnresolvedDelta r = Head;
if (r != null)
{
Head = null;
}
return r;
}
public void Add(UnresolvedDelta d)
{
d.Next = Head;
Head = d;
}
/// <summary>
/// Read one entire object or delta from the input.
/// </summary>
private void IndexOneObject()
{
long pos = Position();
_crc.Reset();
int c = ReadFromInput();
int typeCode = (c >> 4) & 7;
long sz = c & 15;
int shift = 4;
while ((c & 0x80) != 0)
{
c = ReadFromInput();
sz += (c & 0x7f) << shift;
shift += 7;
}
switch (typeCode)
{
case Constants.OBJ_COMMIT:
case Constants.OBJ_TREE:
case Constants.OBJ_BLOB:
case Constants.OBJ_TAG:
Whole(typeCode, pos, sz);
break;
case Constants.OBJ_OFS_DELTA:
c = ReadFromInput();
long ofs = c & 127;
while ((c & 128) != 0)
{
ofs += 1;
c = ReadFromInput();
ofs <<= 7;
ofs += (c & 127);
}
long pbase = pos - ofs;
SkipInflateFromInput(sz);
var n = new UnresolvedDelta(pos, (int)_crc.Value);
n.Next = _baseByPos.put(pbase, n);
_deltaCount++;
break;
case Constants.OBJ_REF_DELTA:
c = FillFromInput(20);
_crc.Update(_buffer, c, 20);
ObjectId baseId = ObjectId.FromRaw(_buffer, c);
Use(20);
DeltaChain r = _baseById.Get(baseId);
if (r == null)
{
r = new DeltaChain(baseId);
_baseById.Add(r);
}
SkipInflateFromInput(sz);
r.Add(new UnresolvedDelta(pos, (int)_crc.Value));
_deltaCount++;
break;
default:
throw new IOException("Unknown object type " + typeCode + ".");
}
}
public void Add(UnresolvedDelta d)
{
d.Next = Head;
Head = d;
}
private void ResolveChildDeltaChain(int type, byte[] data, UnresolvedDelta a)
{
while (a != null)
{
ResolveDeltas(a.Position, a.Crc, type, data, null);
a = a.Next;
}
}
