private IColumn GetColumn(MemberInfo[] members)
{
IFieldFinder?current = (Table)this.Table;
Field? field = null;
for (int i = 0; i < members.Length - 1; i++)
{
if (current == null)
{
throw new InvalidOperationException("{0} does not implement {1}".FormatWith(field, typeof(IFieldFinder).Name));
}
field = current.GetField(members[i]);
current = field as IFieldFinder;
}
var lastMember = members[members.Length - 1];
if (lastMember is Type t)
{
return(((FieldImplementedBy)field !).ImplementationColumns.GetOrThrow(t));
}
else if (current != null)
{
return((IColumn)current.GetField(lastMember));
}
else
{
throw new InvalidOperationException("Unexpected");
}
}
internal static Field FindField(IFieldFinder fieldFinder, MemberInfo[] members)
{
IFieldFinder?current = fieldFinder;
Field? result = null;
foreach (var mi in members)
{
if (current == null)
{
throw new InvalidOperationException("{0} does not implement {1}".FormatWith(result, typeof(IFieldFinder).Name));
}
result = current.GetField(mi);
current = result as IFieldFinder;
}
return(result !);
}
internal static Field?TryFindField(IFieldFinder fieldFinder, MemberInfo[] members)
{
IFieldFinder?current = fieldFinder;
Field? result = null;
foreach (var mi in members)
{
if (current == null)
{
return(null);
}
result = current.TryGetField(mi);
if (result == null)
{
return(null);
}
current = result as IFieldFinder;
}
return(result);
}