/// <summary>
/// Parse the specified SymbolTableEntry frome aStreamProvider and aLocation.
/// </summary>
/// <returns>The parsed SymbolTableEntry</returns>
/// <param name="aStreamProvider">A stream provider.</param>
/// <param name="aLocation">The location in the stream of the SymbolTableEntry</param>
public static SymbolTableEntry Parse(
IHdfStreamProvider aStreamProvider,
long aLocation)
{
using (Hdf5Reader aReader = aStreamProvider.GetReader())
{
return(Read(aReader));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="T:ndf5.Infrastructure.BTrees.V1.Node"/> class.
/// </summary>
/// <param name="aStreamProvider">A stream provider.</param>
/// <param name="aLocation">A location in the stream of this Node</param>
public static Node Parse(
IHdfStreamProvider aStreamProvider,
Offset aLocation)
{
using (Hdf5Reader fReader = aStreamProvider.GetReader())
{
return(new Node(fReader, aLocation));
}
}
public IObjectHeader ReadHeaderAt(long aHeaderLocation)
{
using (Hdf5Reader fReader = mrStreamProvider.GetReader())
{
const int
fcHeadBytes = 4;
byte[]
fHead = new byte[fcHeadBytes];
if (fcHeadBytes != fReader.Read(fHead, 0, fcHeadBytes))
{
throw new System.IO.EndOfStreamException(
$"Could not read header at 0x{aHeaderLocation:x16}");
}
if (fHead[0] == 1 && fHead[1] == 0)
{
return(V1ObjectHeader.Read(fHead, fReader));
}
if (fHead.Zip(msrV2Header, (arg1, arg2) => arg1 == arg2).All(a => a))
{
return(V2ObjectHeader.Read(fReader));
}
}
throw new Exceptions.CorruptObjectHeader("Could not determine Header version");
}