public AttributeMessage(H5BinaryReader reader, Superblock superblock) : base(reader)
{
//var a = reader.ReadBytes(200);
// version
this.Version = reader.ReadByte();
if (this.Version == 1)
{
reader.ReadByte();
}
else
{
this.Flags = (AttributeMessageFlags)reader.ReadByte();
}
// name size
var nameSize = reader.ReadUInt16();
// datatype size
var datatypeSize = reader.ReadUInt16();
// dataspace size
var dataspaceSize = reader.ReadUInt16();
// name character set encoding
if (this.Version == 3)
{
_nameEncoding = (CharacterSetEncoding)reader.ReadByte();
}
// name
if (this.Version == 1)
{
this.Name = H5Utils.ReadNullTerminatedString(reader, pad: true, encoding: _nameEncoding);
}
else
{
this.Name = H5Utils.ReadNullTerminatedString(reader, pad: false, encoding: _nameEncoding);
}
// datatype
this.Datatype = new DatatypeMessage(reader);
if (this.Version == 1)
{
var paddedSize = (int)(Math.Ceiling(datatypeSize / 8.0) * 8);
var remainingSize = paddedSize - datatypeSize;
reader.ReadBytes(remainingSize);
}
// dataspace
this.Dataspace = new DataspaceMessage(reader, superblock);
if (this.Version == 1)
{
var paddedSize = (int)(Math.Ceiling(dataspaceSize / 8.0) * 8);
var remainingSize = paddedSize - dataspaceSize;
this.Reader.Seek(remainingSize, SeekOrigin.Current);
}
// data
var byteSize = H5Utils.CalculateSize(this.Dataspace.DimensionSizes, this.Dataspace.Type) * this.Datatype.Size;
this.Data = reader.ReadBytes((int)byteSize);
}
public AttributeMessage(H5Context context, ObjectHeader objectHeader) : base(context.Reader)
{
_context = context;
// version
this.Version = context.Reader.ReadByte();
if (this.Version == 1)
{
context.Reader.ReadByte();
}
else
{
this.Flags = (AttributeMessageFlags)context.Reader.ReadByte();
}
// name size
var nameSize = context.Reader.ReadUInt16();
// datatype size
var datatypeSize = context.Reader.ReadUInt16();
// dataspace size
var dataspaceSize = context.Reader.ReadUInt16();
// name character set encoding
if (this.Version == 3)
{
_nameEncoding = (CharacterSetEncoding)context.Reader.ReadByte();
}
// name
if (this.Version == 1)
{
this.Name = H5Utils.ReadNullTerminatedString(context.Reader, pad: true, encoding: _nameEncoding);
}
else
{
this.Name = H5Utils.ReadNullTerminatedString(context.Reader, pad: false, encoding: _nameEncoding);
}
// datatype
var flags1 = this.Flags.HasFlag(AttributeMessageFlags.SharedDatatype)
? MessageFlags.Shared
: MessageFlags.NoFlags;
this.Datatype = objectHeader.DecodeMessage(flags1,
() => new DatatypeMessage(context.Reader));
if (this.Version == 1)
{
var paddedSize = (int)(Math.Ceiling(datatypeSize / 8.0) * 8);
var remainingSize = paddedSize - datatypeSize;
context.Reader.ReadBytes(remainingSize);
}
// dataspace
var flags2 = this.Flags.HasFlag(AttributeMessageFlags.SharedDataspace)
? MessageFlags.Shared
: MessageFlags.NoFlags;
this.Dataspace = objectHeader.DecodeMessage(flags2,
() => new DataspaceMessage(context.Reader, context.Superblock));
if (this.Version == 1)
{
var paddedSize = (int)(Math.Ceiling(dataspaceSize / 8.0) * 8);
var remainingSize = paddedSize - dataspaceSize;
this.Reader.Seek(remainingSize, SeekOrigin.Current);
}
// data
var byteSize = H5Utils.CalculateSize(this.Dataspace.DimensionSizes, this.Dataspace.Type) * this.Datatype.Size;
this.Data = context.Reader.ReadBytes((int)byteSize);
}
