/// <summary>
/// Insert bit in the TLV format into the message.
/// </summary>
/// <param name="bit">The bit to be added.</param>
/// <param name="tag">The tag code.</param>
/// <param name="length">The length of the content.</param>
/// <param name="value">The content of the tag.</param>
public void AddTLV(short bit, string tag, string length, string value, DataType type = DataType.N, string valuePrefix = "", string valueSufix = "")
{
var size = Convert.ToInt32(length) - valuePrefix.Length - valueSufix.Length;
var layout = new FieldLayout(size, FieldType.FIX, type);
var valueToAppend = tag + length + valuePrefix + Fill(layout, value) + valueSufix;
if (_fields.ContainsKey(bit))
{
_fields[bit] += valueToAppend;
}
else
{
_fields.Add(bit, valueToAppend);
}
}
/// <summary>
/// Fill the content accordding to the datatype and size.
/// </summary>
/// <param name="field">The layout of the field.</param>
/// <param name="value">The value to fill.</param>
/// <returns>The content filled.</returns>
private string Fill(FieldLayout field, string value)
{
switch (field.DataType)
{
case DataType.N:
value = string.Join("", value.Where(char.IsDigit));
value = value.PadLeft(field.Size.Value, '0');
break;
case DataType.A:
case DataType.AN:
value = value.PadRight(field.Size.Value, ' ');
break;
default:
break;
}
return(value);
}
