public static bool AutoMapEnumerable <T>(this MemberInfo member, FallbackStrategy emptyValueStrategy, out EnumerableExcelPropertyMap <T> map)
{
Type rawType = member.MemberType();
TypeInfo rawTypeInfo = rawType.GetTypeInfo();
if (!member.AutoMap(emptyValueStrategy, out SingleExcelPropertyMap <T> elementMapping))
{
map = null;
return(false);
}
if (rawType.IsArray)
{
map = new ArrayPropertyMap <T>(member, elementMapping);
return(true);
}
else if (rawTypeInfo.IsInterface)
{
if (rawTypeInfo.IsAssignableFrom(typeof(List <T>).GetTypeInfo()))
{
map = new InterfaceAssignableFromListPropertyMap <T>(member, elementMapping);
return(true);
}
}
else if (rawType.ImplementsInterface(typeof(ICollection <T>)))
{
map = new ConcreteICollectionPropertyMap <T>(rawType, member, elementMapping);
return(true);
}
map = null;
return(false);
}
public static bool TryMapGenericEnumerable <T>(MemberInfo member, FallbackStrategy emptyValueStrategy, out EnumerableExcelPropertyMap <T> map)
{
Type rawType = member.MemberType();
TypeInfo rawTypeInfo = rawType.GetTypeInfo();
// First, get the mapper for the element. This is used to convert individual values
// to be added to/included in the collection.
if (!TryMapPrimitive(member, emptyValueStrategy, out SingleExcelPropertyMap <T> elementMapping))
{
map = null;
return(false);
}
// Secondly, find the right way of adding the converted value to the collection.
if (rawType.IsArray)
{
// Add values using the arrray indexer.
map = new ArrayPropertyMap <T>(member, elementMapping);
return(true);
}
else if (rawTypeInfo.IsInterface)
{
// Add values by creating a list and assigning to the property.
if (rawTypeInfo.IsAssignableFrom(typeof(List <T>).GetTypeInfo()))
{
map = new InterfaceAssignableFromListPropertyMap <T>(member, elementMapping);
return(true);
}
}
else if (rawType.ImplementsInterface(typeof(ICollection <T>)))
{
// Add values using the ICollection<T>.Add method.
map = new ConcreteICollectionPropertyMap <T>(rawType, member, elementMapping);
return(true);
}
map = null;
return(false);
}