private static FieldParseInfo GetParser <T>(XmlElement f,
MessageFactory <T> mfact) where T : IsoMessage
{
var itype = Enumm.Parse <IsoType>(f.GetAttribute("type"));
var length = 0;
if (f.GetAttribute("length").Length > 0)
{
length = int.Parse(f.GetAttribute("length"));
}
Debug.Assert(
itype != null,
"itype != null");
var fpi = FieldParseInfo.GetInstance(
itype.Value,
length,
mfact.Encoding);
var subs = f.GetElementsByTagName("field");
if (subs.Count <= 0)
{
return(fpi);
}
var compo = new CompositeField();
for (var i = 0; i < subs.Count; i++)
{
var sf = (XmlElement)subs.Item(i);
Debug.Assert(
sf != null,
"sf != null");
if (sf.ParentNode == f)
{
compo.AddParser(
GetParser(
sf,
mfact));
}
}
fpi.Decoder = compo;
return(fpi);
}
public static FieldParseInfo GetInstance(IsoType t,
int len,
Encoding encoding)
{
FieldParseInfo fpi = null;
switch (t)
{
case IsoType.ALPHA:
fpi = new AlphaParseInfo(len);
break;
case IsoType.AMOUNT:
fpi = new AmountParseInfo();
break;
case IsoType.BINARY:
fpi = new BinaryParseInfo(len);
break;
case IsoType.DATE10:
fpi = new Date10ParseInfo();
break;
case IsoType.DATE12:
fpi = new Date12ParseInfo();
break;
case IsoType.DATE14:
fpi = new Date14ParseInfo();
break;
case IsoType.DATE4:
fpi = new Date4ParseInfo();
break;
case IsoType.DATE_EXP:
fpi = new DateExpParseInfo();
break;
case IsoType.LLBIN:
fpi = new LlbinParseInfo();
break;
case IsoType.LLLBIN:
fpi = new LllbinParseInfo();
break;
case IsoType.LLLVAR:
fpi = new LllvarParseInfo();
break;
case IsoType.LLVAR:
fpi = new LlvarParseInfo();
break;
case IsoType.NUMERIC:
fpi = new NumericParseInfo(len);
break;
case IsoType.TIME:
fpi = new TimeParseInfo();
break;
case IsoType.LLLLVAR:
fpi = new LlllvarParseInfo();
break;
case IsoType.LLLLBIN:
fpi = new LlllbinParseInfo();
break;
}
if (fpi == null)
{
throw new ArgumentException($"Cannot parse type {t}");
}
fpi.Encoding = encoding;
return(fpi);
}