public static IdentificationBlock Read(Mdf mdf, Stream stream)
{
var data = new byte[64];
var read = stream.Read(data, 0, data.Length);
if (read != data.Length)
{
throw new FormatException();
}
var block = new IdentificationBlock();
block.Mdf = mdf;
block.fileIdentifier = Encoding.UTF8.GetString(data, 0, 8).Humanize();
block.formatIdentifier = Encoding.UTF8.GetString(data, 8, 8).Humanize();
block.programIdentifier = Encoding.UTF8.GetString(data, 16, 8).Humanize();
block.ByteOrder = (ByteOrder)BitConverter.ToUInt16(data, 24);
block.FloatingPointFormat = (FloatingPointFormat)BitConverter.ToUInt16(data, 26);
block.Version = BitConverter.ToUInt16(data, 28);
block.CodePage = BitConverter.ToUInt16(data, 30);
block.reserved1 = Encoding.UTF8.GetString(data, 32, 2).Humanize();
block.reserved2 = Encoding.UTF8.GetString(data, 34, 30).Humanize();
return(block);
}
public Mdf(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (!stream.CanSeek)
{
throw new ArgumentException("stream");
}
Data = stream;
Data.Position = 0;
IDBlock = new IdentificationBlock(this);
HDBlock = new HeaderBlock(this);
}
public static IdentificationBlock Create(Mdf mdf)
{
var block = new IdentificationBlock();
block.Mdf = mdf;
block.FileIdentifier = "MDF ";
block.FormatIdentifier = "3.30";
block.ProgramIdentifier = "";
block.ByteOrder = ByteOrder.LittleEndian;
block.FloatingPointFormat = FloatingPointFormat.IEEE754;
block.Version = 330;
block.CodePage = 0;
block.Reserved1 = "";
block.Reserved2 = "";
return(block);
}
/// <summary>
/// Read MDF from stream.
/// </summary>
/// <param name="stream"></param>
public Mdf(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (!stream.CanSeek)
{
throw new ArgumentException("stream");
}
Data = stream;
Data.Position = 0;
DataGroups = new DataGroupCollection(this);
IDBlock = IdentificationBlock.Read(this, stream);
HDBlock = HeaderBlock.Read(this, stream);
}
public Mdf()
{
DataGroups = new DataGroupCollection(this);
IDBlock = IdentificationBlock.Create(this);
HDBlock = HeaderBlock.Create(this);
}