public long WriteTo(ByteWriter w)
{
long N = 0;
List <ulong> sids = new List <ulong>(blocks.Keys);
sids.Sort();
foreach (ulong sid in sids)
{
IndexEntries entries = blocks[sid];
if (entries.Len() > Constants.maxIndexEntries)
{
throw new ArgumentOutOfRangeException(
string.Format("sid {0} exceeds max index entries: {1} > {2}",
sid, entries.Len(), Constants.maxIndexEntries));
}
entries.Entries.Sort();
w.Write(sid);
N += 8;
w.Write(entries.Type);
N += 1;
w.Write((ushort)entries.Len());
N += 2;
N += entries.WriteTo(w);
}
return(N);
}
private List <IndexEntry> readEntries(byte[] b, int n)
{
if (b.Length < 1 + Constants.indexCountSize)
{
return(null);
}
byte type = b[n];
n++;//type
int count = (int)BitConverter.ToUInt16(b, n);
n += Constants.indexCountSize;
IndexEntries entries = new IndexEntries(count);
entries.Type = type;
for (int i = 0; i < count; i++)
{
IndexEntry ie = new IndexEntry();
int start = n;
int end = start + Constants.indexEntrySize;
if (end <= b.Length)
{
ie.UnmarshalBinary(b, start);
}
entries.Entries.Add(ie);
n += Constants.indexEntrySize;
}
return(entries.Entries);
}
private void addEntries(ulong sid, IndexEntries entries)
{
if (!blocks.ContainsKey(sid))
{
blocks.Add(sid, entries);
}
else
{
blocks[sid].Entries.AddRange(entries.Entries);
}
}