private IEnumerable<PosMap> ReadPosMap(ReaderWorkItem workItem, long index, int count) {
if (Chunk.ChunkFooter.IsMap12Bytes) {
var pos = ChunkHeader.Size + Chunk.ChunkFooter.PhysicalDataSize + index * PosMap.FullSize;
workItem.Stream.Seek(pos, SeekOrigin.Begin);
for (int i = 0; i < count; i++)
yield return PosMap.FromNewFormat(workItem.Reader);
} else {
var pos = ChunkHeader.Size + Chunk.ChunkFooter.PhysicalDataSize + index * PosMap.DeprecatedSize;
workItem.Stream.Seek(pos, SeekOrigin.Begin);
for (int i = 0; i < count; i++)
yield return PosMap.FromOldFormat(workItem.Reader);
}
}
private PosMap ReadPosMap(ReaderWorkItem workItem, long index)
{
if (Chunk.ChunkFooter.IsMap12Bytes)
{
var pos = ChunkHeader.Size + Chunk.ChunkFooter.PhysicalDataSize + index * PosMap.FullSize;
workItem.Stream.Seek(pos, SeekOrigin.Begin);
return(PosMap.FromNewFormat(workItem.Reader));
}
else
{
var pos = ChunkHeader.Size + Chunk.ChunkFooter.PhysicalDataSize + index * PosMap.DeprecatedSize;
workItem.Stream.Seek(pos, SeekOrigin.Begin);
return(PosMap.FromOldFormat(workItem.Reader));
}
}
