private FeedbackField HandleField(XmlReader reader)
{
string name = reader.GetAttribute("name");
string intype_str = reader.GetAttribute("intype");
string outtype_str = reader.GetAttribute("outtype");
string dsitem = reader.GetAttribute("dsitem");
string units = reader.GetAttribute("units");
// figure out the in type
InType intype = (InType)Enum.Parse(typeof(InType), intype_str.ToUpper(), false);
Type outtype = MapType(outtype_str);
if (!reader.Read())
{
throw new InvalidOperationException();
}
if (reader.NodeType != XmlNodeType.Element)
{
throw new InvalidOperationException();
}
FeedbackField field = null;
string elementName = reader.LocalName;
if (elementName == "raw")
{
field = new RawField(name, intype, outtype, dsitem, units);
}
else if (elementName == "bool")
{
field = new BoolField(name, intype, outtype, dsitem, units);
}
else if (elementName == "conversion")
{
double scale = 0, preOffset = 0, postOffset = 0;
HandleConversion(reader, ref scale, ref preOffset, ref postOffset);
field = new ConversionField(name, intype, outtype, dsitem, units, scale, preOffset, postOffset);
}
else if (elementName == "enum")
{
Dictionary <int, object> map = new Dictionary <int, object>();
object defVal = null;
if (!outtype.IsEnum)
{
throw new InvalidOperationException("Error in field " + name + ": outtype is not an enum");
}
HandleEnumMap(reader, outtype, ref map, ref defVal);
field = new EnumField(name, intype, outtype, dsitem, units, map, defVal);
}
else if (elementName == "intMap")
{
Dictionary <int, int> map = new Dictionary <int, int>();
int defVal = 0;
// should check if out type is valid
HandleIntMap(reader, ref map, ref defVal);
field = new IntField(name, intype, outtype, dsitem, units, map, defVal);
}
else if (elementName == "bitmap")
{
string[] fields;
HandleBitmap(reader, out fields);
field = new BitmapField(name, intype, outtype, dsitem, units, fields);
}
else
{
throw new InvalidOperationException();
}
reader.Read();
if (reader.NodeType != XmlNodeType.EndElement || reader.LocalName != "field")
{
throw new InvalidOperationException();
}
return(field);
}
private FeedbackField HandleField(XmlReader reader)
{
string name = reader.GetAttribute("name");
string intype_str = reader.GetAttribute("intype");
string outtype_str = reader.GetAttribute("outtype");
string dsitem = reader.GetAttribute("dsitem");
string units = reader.GetAttribute("units");
// figure out the in type
InType intype = (InType)Enum.Parse(typeof(InType), intype_str.ToUpper(), false);
Type outtype = MapType(outtype_str);
if (!reader.Read())
throw new InvalidOperationException();
if (reader.NodeType != XmlNodeType.Element)
throw new InvalidOperationException();
FeedbackField field = null;
string elementName = reader.LocalName;
if (elementName == "raw") {
field = new RawField(name, intype, outtype, dsitem, units);
}
else if (elementName == "bool") {
field = new BoolField(name, intype, outtype, dsitem, units);
}
else if (elementName == "conversion") {
double scale = 0, preOffset = 0, postOffset = 0;
HandleConversion(reader, ref scale, ref preOffset, ref postOffset);
field = new ConversionField(name, intype, outtype, dsitem, units, scale, preOffset, postOffset);
}
else if (elementName == "enum") {
Dictionary<int, object> map = new Dictionary<int, object>();
object defVal = null;
if (!outtype.IsEnum)
throw new InvalidOperationException("Error in field " + name + ": outtype is not an enum");
HandleEnumMap(reader, outtype, ref map, ref defVal);
field = new EnumField(name, intype, outtype, dsitem, units, map, defVal);
}
else if (elementName == "intMap") {
Dictionary<int, int> map = new Dictionary<int, int>();
int defVal = 0;
// should check if out type is valid
HandleIntMap(reader, ref map, ref defVal);
field = new IntField(name, intype, outtype, dsitem, units, map, defVal);
}
else if (elementName == "bitmap") {
string[] fields;
HandleBitmap(reader, out fields);
field = new BitmapField(name, intype, outtype, dsitem, units, fields);
}
else {
throw new InvalidOperationException();
}
reader.Read();
if (reader.NodeType != XmlNodeType.EndElement || reader.LocalName != "field")
throw new InvalidOperationException();
return field;
}