public object DecodeBinaryField(sbyte[] buf,
int offset,
int length)
{
var vals = new List <IsoValue>(parsers.Count);
var pos = offset;
try
{
foreach (var fpi in parsers)
{
var v = fpi.ParseBinary(
0,
buf,
pos,
fpi.Decoder);
if (v == null)
{
continue;
}
if (v.Type == IsoType.NUMERIC || v.Type == IsoType.DATE10 || v.Type == IsoType.DATE4 ||
v.Type == IsoType.DATE_EXP || v.Type == IsoType.AMOUNT || v.Type == IsoType.TIME ||
v.Type == IsoType.DATE12 || v.Type == IsoType.DATE14)
{
pos += v.Length / 2 + v.Length % 2;
}
else
{
pos += v.Length;
}
switch (v.Type)
{
case IsoType.LLVAR:
case IsoType.LLBIN:
pos++;
break;
case IsoType.LLLVAR:
case IsoType.LLLBIN:
case IsoType.LLLLVAR:
case IsoType.LLLLBIN:
pos += 2;
break;
}
vals.Add(v);
}
var f = new CompositeField
{
Values = vals
};
return(f);
}
catch (Exception)
{
return(null);
}
}
public object DecodeField(string value)
{
var vals = new List <IsoValue>(parsers.Count);
var buf = value.GetSignedBytes();
var pos = 0;
try
{
foreach (var fpi in parsers)
{
var v = fpi.Parse(
0,
buf,
pos,
fpi.Decoder);
if (v == null)
{
continue;
}
pos += fpi.Encoding.GetBytes(v.ToString()).Length;
switch (v.Type)
{
case IsoType.LLVAR:
case IsoType.LLBIN:
pos += 2;
break;
case IsoType.LLLVAR:
case IsoType.LLLBIN:
pos += 3;
break;
case IsoType.LLLLBIN:
case IsoType.LLLLVAR:
pos += 4;
break;
}
vals.Add(v);
}
var f = new CompositeField
{
Values = vals
};
return(f);
}
catch (Exception)
{
return(null);
}
}