/// <summary>
/// Map fields group object
/// </summary>
/// <param name="value"></param>
/// <param name="fieldsGroup"></param>
/// <param name="writtenNumbers"></param>
/// <returns></returns>
private List <object> MapFieldsGroup(object value, FieldsGroup fieldsGroup, IDictionary <string, decimal> writtenNumbers)
{
List <object> result = new List <object>();
if (fieldsGroup.HasDependencies() || fieldsGroup.Occurs > 1)
{
MapCollection(result, fieldsGroup, writtenNumbers, (dynamic)value);
}
else
{
result = MapFieldsList(value, fieldsGroup, writtenNumbers);
}
return(result);
}
/// <summary>
/// Compute the fields group size
/// </summary>
/// <param name="field"></param>
/// <param name="fieldsGroup"></param>
/// <returns></returns>
private int GetFieldsGroupSize(object field, FieldsGroup fieldsGroup)
{
int size = 0;
if (fieldsGroup.HasDependencies() || fieldsGroup.Occurs > 1)
{
//linq converted
size += ((List <object>)field).Sum(item => GetFieldsListSize((List <object>)item, fieldsGroup));
}
else
{
size = GetFieldsListSize((List <object>)field, fieldsGroup);
}
return(size);
}
/// <summary>
/// Write field groups
/// </summary>
/// <param name="field"></param>
/// <param name="fieldsGroup"></param>
/// <exception cref="IOException"> </exception>
/// <exception cref="EbcdicException"> </exception>
private void WriteFieldsGroup(object field, FieldsGroup fieldsGroup)
{
if (fieldsGroup.HasDependencies() || fieldsGroup.Occurs > 1)
{
// if occurs is more than one or variable, we have a list of lists
foreach (object item in (List <object>)field)
{
WriteFields((List <object>)item, fieldsGroup);
}
}
else
{
WriteFields((List <object>)field, fieldsGroup);
}
}
/// <summary>
/// read a fields group
/// </summary>
/// <param name="fieldsGroup"></param>
/// <param name="readNumericValues"></param>
/// <returns></returns>
/// <exception cref="IOException"></exception>
/// <exception cref="EbcdicException"></exception>
private List <object> ReadFieldsGroup(FieldsGroup fieldsGroup, IDictionary <string, decimal> readNumericValues)
{
List <object> values = new List <object>();
int occurs;
if (fieldsGroup.HasDependencies())
{
if (readNumericValues.ContainsKey(fieldsGroup.DependingOn))
{
occurs = Decimal.ToInt32(readNumericValues[fieldsGroup.DependingOn]);
}
else
{
throw new System.Exception(
string.Format("Check your copybook :[{0}] is not present, but field format says it has dependencies ...",
fieldsGroup.DependingOn));
}
}
else
{
occurs = fieldsGroup.Occurs;
}
for (int i = 0; i < occurs; i++)
{
values.Add(ReadFields(fieldsGroup));
}
if (fieldsGroup.HasDependencies() || occurs > 1)
{
// if occurs is more than one or variable, return results in a list
return(values);
}
else
{
// otherwise, just return the single item
return((List <object>)values[0]);
}
}
/// <summary>
/// dynamic types handling
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="result"></param>
/// <param name="fieldsGroup"></param>
/// <param name="writtenNumbers"></param>
/// <param name="value"></param>
private void MapCollection <T>(List <object> result, FieldsGroup fieldsGroup, IDictionary <string, decimal> writtenNumbers, List <T> value)
{
result.AddRange(value.Select(item => MapFieldsList(item, fieldsGroup, writtenNumbers)));
}