private DBHeader ExtractHeader(BinaryReader dbReader)
{
DBHeader header = null;
string signature = dbReader.ReadString(4);
if (string.IsNullOrWhiteSpace(signature))
{
return(null);
}
if (signature[0] != 'W')
{
signature = signature.Reverse();
}
switch (signature)
{
case "WDBC":
header = new WDBC();
break;
case "WDB2":
case "WCH2":
header = new WDB2();
break;
case "WDB5":
header = new WDB5();
break;
case "WCH5":
header = new WCH5(FileName);
break;
case "WCH7":
header = new WCH7(FileName);
break;
case "WCH8":
header = new WCH8(FileName);
break;
case "WMOB":
case "WGOB":
case "WQST":
case "WIDB":
case "WNDB":
case "WITX":
case "WNPC":
case "WPTX":
case "WRDN":
header = new WDB();
break;
}
header?.ReadHeader(ref dbReader, signature);
return(header);
}
private static DBHeader ReadHeader(BinaryReader dbReader, DBHeader counterpart = null)
{
DBHeader header = null;
string signature = dbReader.ReadString(4);
if (string.IsNullOrWhiteSpace(signature))
{
return(null);
}
if (signature[0] != 'W')
{
signature = signature.Reverse();
}
switch (signature)
{
case "WDBC":
header = new WDBC();
break;
case "WDB2":
case "WCH2":
header = new WDB2();
break;
case "WDB5":
header = new WDB5();
break;
case "WDB6":
header = new WDB6();
break;
case "WCH5":
header = new WCH5(counterpart);
break;
case "WCH7":
header = new WCH7(counterpart);
break;
case "WCH8":
header = new WCH8(counterpart);
break;
case "WMOB":
case "WGOB":
case "WQST":
case "WIDB":
case "WNDB":
case "WITX":
case "WNPC":
case "WPTX":
case "WRDN":
header = new WDB();
break;
case "HTFX":
header = new HTFX();
break;
}
header?.ReadHeader(ref dbReader, signature);
return(header);
}