public ChannelExtensionBlock(Mdf mdf)
: base(mdf)
{
byte[] data = new byte[Size - 4];
int read = Mdf.Data.Read(data, 0, data.Length);
if (read != data.Length)
{
throw new FormatException();
}
Type = (ExtensionType)BitConverter.ToUInt16(data, 0);
if (Type == ExtensionType.DIM)
{
DimBlockSupplement = new DimBlockSupplement(mdf);
}
else if (Type == ExtensionType.VectorCAN)
{
VectorCanBlockSupplement = new VectorCanBlockSupplement(mdf);
}
}
internal static ProgramBlock Read(Mdf mdf, Stream stream)
{
var block = new ProgramBlock(mdf);
block.Read(stream);
if (block.Identifier != "PR")
{
throw new FormatException();
}
var data = new byte[block.Size - 4];
var read = stream.Read(data, 0, data.Length);
if (read != data.Length)
{
throw new FormatException();
}
block.data = data;
return(block);
}
public TriggerBlock(Mdf mdf)
: base(mdf)
{
}
private ChannelConversionBlock(Mdf mdf) : base(mdf)
{
AdditionalConversionData = new ConversionData(this);
}
private DataGroupBlock(Mdf mdf) : base(mdf)
{
ChannelGroups = new ChannelGroupCollection(mdf, this);
}
private ChannelBlock(Mdf mdf) : base(mdf)
{
}
public static ChannelBlock Read(Mdf mdf, Stream stream, uint position)
{
stream.Position = position;
var block = new ChannelBlock(mdf);
block.stream = stream;
block.Read(stream);
var data = new byte[block.Size - 4];
var read = stream.Read(data, 0, data.Length);
if (read != data.Length)
{
throw new FormatException();
}
block.next = null;
block.SourceDepending = null;
block.Dependency = null;
block.Comment = null;
block.ptrNextChannelBlock = BitConverter.ToUInt32(data, 0);
block.ptrChannelConversionBlock = BitConverter.ToUInt32(data, 4);
block.ptrChannelExtensionBlock = BitConverter.ToUInt32(data, 8);
block.ptrChannelDependencyBlock = BitConverter.ToUInt32(data, 12);
block.ptrChannelComment = BitConverter.ToUInt32(data, 16);
block.Type = (ChannelType)BitConverter.ToUInt16(data, 20);
block.SignalName = mdf.IDBlock.Encoding.GetString(data, 22, 32).Humanize();
block.SignalDescription = mdf.IDBlock.Encoding.GetString(data, 54, 128).Humanize();
block.BitOffset = BitConverter.ToUInt16(data, 182);
block.NumberOfBits = BitConverter.ToUInt16(data, 184);
block.SignalType = (SignalType)BitConverter.ToUInt16(data, 186);
block.ValueRange = BitConverter.ToBoolean(data, 188);
if (block.ValueRange)
{
block.MinValue = BitConverter.ToDouble(data, 190);
block.MaxValue = BitConverter.ToDouble(data, 198);
}
block.SampleRate = BitConverter.ToDouble(data, 206);
if (mdf.IDBlock.Version >= MIN_VERSION_LONG_SIGNAL_NAME)
{
block.ptrLongSignalName = BitConverter.ToUInt32(data, 214);
}
if (mdf.IDBlock.Version >= MIN_VERSION_DISPLAY_NAME)
{
block.ptrDisplayName = BitConverter.ToUInt32(data, 218);
}
if (mdf.IDBlock.Version >= MIN_VERSION_ADDITIONAL_BYTE_OFFSET)
{
block.AdditionalByteOffset = BitConverter.ToUInt16(data, 222);
}
if (block.ptrChannelExtensionBlock != 0)
{
stream.Position = block.ptrChannelExtensionBlock;
block.SourceDepending = new ChannelExtensionBlock(mdf);
}
return(block);
}
private ProgramBlock(Mdf mdf) : base(mdf)
{
}
public static ProgramBlock Create(Mdf mdf)
{
return(Create(mdf, new byte[0]));
}
public static TextBlock Create(Mdf mdf)
{
return(Create(mdf, ""));
}
private TextBlock(Mdf mdf) : base(mdf)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="HeaderBlock" /> class.
/// </summary>
/// <param name="mdf">The MDF.</param>
/// <exception cref="System.FormatException"></exception>
private HeaderBlock(Mdf mdf) : base(mdf)
{
}
internal static HeaderBlock Read(Mdf mdf, Stream stream)
{
var block = new HeaderBlock(mdf);
block.Read(stream);
var data = new byte[block.Size - 4];
var read = stream.Read(data, 0, data.Length);
if (read != data.Length)
{
throw new FormatException();
}
block.DataGroupsCount = BitConverter.ToUInt16(data, 12);
block.Date = mdf.IDBlock.Encoding.GetString(data, 14, 10).Humanize();
block.Time = mdf.IDBlock.Encoding.GetString(data, 24, 8).Humanize();
block.Author = mdf.IDBlock.Encoding.GetString(data, 32, 32).Humanize();
block.Organization = mdf.IDBlock.Encoding.GetString(data, 64, 32).Humanize();
block.Project = mdf.IDBlock.Encoding.GetString(data, 96, 32).Humanize();
block.Subject = mdf.IDBlock.Encoding.GetString(data, 128, 32).Humanize();
if (mdf.IDBlock.Version >= 320)
{
block.TimeStamp = BitConverter.ToUInt64(data, 160);
block.UTCTimeOffset = BitConverter.ToInt16(data, 168);
block.TimeQuality = (TimeQuality)BitConverter.ToUInt16(data, 170);
block.TimerIdentification = mdf.IDBlock.Encoding.GetString(data, 172, 32).Humanize();
}
else
{
block.TimeStamp = 0;
block.UTCTimeOffset = 0;
block.TimeQuality = 0;
block.TimerIdentification = "";
}
var ptrFirstDataGroup = BitConverter.ToUInt32(data, 0);
var ptrTextBlock = BitConverter.ToUInt32(data, 4);
var ptrProgramBlock = BitConverter.ToUInt32(data, 8);
// Check if ptrTextBlock is null
if (ptrTextBlock != 0)
{
stream.Position = ptrTextBlock;
block.FileComment = TextBlock.Read(mdf, stream);
}
// Check if ptrProgramBlock is null
if (ptrProgramBlock != 0)
{
stream.Position = ptrProgramBlock;
block.ProgramBlock = ProgramBlock.Read(mdf, stream);
}
// Check if ptrFirstDataGroup is null
if (ptrFirstDataGroup != 0)
{
mdf.DataGroups.Read(DataGroupBlock.Read(mdf, stream, ptrFirstDataGroup));
}
return(block);
}
private ChannelGroupBlock(Mdf mdf) : base(mdf)
{
}
