private bool TryReadNurbsPatchPar(CaratReader reader)
{
if (!reader.Match("NURBS_PATCH_PAR"))
{
return(false);
}
var id = reader.ReadInteger();
reader.Expect(":");
var ctrlPtsNodes = default(int?);
var nctrl = default(int?);
var pdeg = default(int?);
var uknot = default(List <double>);
if (reader.Match("NURBS_1D"))
{
while (!reader.EOF)
{
if (reader.Match("CTRL_PTS"))
{
reader.Expect("=");
reader.Expect("CTRL_PTS_PAR");
ctrlPtsNodes = reader.ReadInteger();
continue;
}
if (reader.Match("NCTRL"))
{
reader.Expect("=");
nctrl = reader.ReadInteger();
continue;
}
if (reader.Match("PDEG"))
{
reader.Expect("=");
pdeg = reader.ReadInteger();
continue;
}
if (reader.Match("UKNOT"))
{
reader.Expect("=");
uknot = reader.ReadDoubleList();
continue;
}
break;
}
}
else
{
throw reader.NewUnexpectedTokenException();
}
// TODO: process data
Console.WriteLine($"NURBS_PATCH_PAR ID {id} ...");
return(true);
}
private bool TryReadNurbsPatch(CaratReader reader)
{
if (!reader.Match("NURBS_PATCH"))
{
return(false);
}
var id = reader.ReadInteger();
reader.Expect(":");
var nctrl = default(int?);
var mctrl = default(int?);
var pdeg = default(int?);
var qdeg = default(int?);
var uknot = default(List <double>);
var vknot = default(List <double>);
var trimmingID = default(int?);
var addPar = default(int?);
if (reader.Match("NURBS_2D"))
{
while (!reader.EOF)
{
if (reader.Match("CTRL_PTS"))
{
reader.Expect("=");
reader.Expect("CTRL_PTS_NODES");
var ctrl_pts_nodes = reader.ReadInteger();
continue;
}
if (reader.Match("NCTRL"))
{
if (nctrl != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
nctrl = reader.ReadInteger();
continue;
}
if (reader.Match("MCTRL"))
{
if (mctrl != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
mctrl = reader.ReadInteger();
continue;
}
if (reader.Match("PDEG"))
{
if (pdeg != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
pdeg = reader.ReadInteger();
continue;
}
if (reader.Match("QDEG"))
{
if (qdeg != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
qdeg = reader.ReadInteger();
continue;
}
if (reader.Match("UKNOT"))
{
if (uknot != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
uknot = reader.ReadDoubleList();
continue;
}
if (reader.Match("VKNOT"))
{
if (vknot != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
vknot = reader.ReadDoubleList();
continue;
}
if (reader.Match("TRIMMING"))
{
if (trimmingID != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
reader.Expect("B_REP");
trimmingID = reader.ReadInteger();
continue;
}
if (reader.Match("ADD_PAR"))
{
if (addPar != null)
{
throw reader.NewDuplicateTokenException();
}
reader.Expect("=");
addPar = reader.ReadInteger();
continue;
}
break;
}
}
else
{
throw reader.NewUnexpectedTokenException();
}
// TODO: process data
Console.WriteLine($"NURBS_PATCH ID {id} NCTRL {nctrl} MCTRL {mctrl} ...");
return(true);
}