public static DataDescriptiveRecord FromStream( BinaryReader reader )
{
DataDescriptiveRecord ddr = new DataDescriptiveRecord { Leader = DataDescriptiveRecordLeader.FromStream( reader ) };
ddr.LoadDirectoriesFromStream( reader );
foreach( DDRDirectoryEntry directory in ddr.Directories.OfType<DDRDirectoryEntry>() )
{
char[] buffer = reader.ReadChars(directory.Length);
directory.Type = TypeFromTag( new string( buffer, 0, 4 ) );
directory.FieldTerminatorChar = buffer[ 4 ];
directory.UnitTerminatorChar = buffer[ 5 ];
string fields = new string( buffer, 6, directory.Length - 7 );
directory.Fields = fields.Split( new char[] { (char)INT_FieldSeparator } ).ToList();
switch( directory.Type )
{
case DDRDirectoryEntryType.FileName:
ddr.Filename = directory.Fields.First();
break;
case DDRDirectoryEntryType.RecordIdentifier:
break;
case DDRDirectoryEntryType.FieldList:
directory.SubFields = directory.Fields[1].Split( '!' ).Select( str => new DataField { Name = str, Directory = directory } ).ToList();
ApplyFieldTypes( directory );
break;
case DDRDirectoryEntryType.ArrayFieldList:
directory.SubFields = directory.Fields[1].Substring( 1 ).Split( '!' ).Select( str => new DataField { Name = str, Directory = directory } ).ToList();
ApplyFieldTypes( directory );
break;
}
}
return ddr;
}
public static DataRecord FromStream( DataDescriptiveRecord ddr, BinaryReader reader )
{
var record = new DataRecord { Leader = DataRecordLeader.FromStream( reader ), DescriptiveRecord = ddr };
record.LoadDirectoriesFromStream( reader );
record.LoadRows( reader );
return record;
}
public void SetUp()
{
_stream = new FileStream( "BD01CATD.DDF", FileMode.Open );
_reader = new BinaryReader( _stream );
_ddr = DataDescriptiveRecord.FromStream( _reader );
}