public XLObjectMapping(Type t, Func <IXLObjectMapping> factory = null)
{
_t = t;
if (factory == null && !typeof(IXLObjectMapping).IsAssignableFrom(t))
{
var fieldinfos = t.GetProperties()
.Where(p => p.GetCustomAttributes(IgnorePropertyAttribute, false).Length == 0);
var propnames = fieldinfos.Select(f => f.Name).ToArray();
SetColnames(t, propnames, propnames);
}
else
{
IXLObjectMapping instance = (factory != null) ? factory() : (t.GetConstructor(Type.EmptyTypes) != null) ? (IXLObjectMapping)Activator.CreateInstance(t, new object[0])
: (IXLObjectMapping)Activator.CreateInstance(t);
_columns = instance.ColumnCount();
_setters = (o, i, v) => ((IXLObjectMapping)o).SetColumn(i, v);
_getters = (o, i) => ((IXLObjectMapping)o).GetColumn(i);
_colnames = new Lazy <string[]>(() =>
{
var retval = new string[_columns];
for (int i = 0; i < _columns; i++)
{
retval[i] = instance.ColumnName(i);
}
return(retval);
});
_propnames = _colnames;
}
}
public static XLObjectMapping GetObjectMapping <T>(T instance)
{
var t = typeof(T);
IXLObjectMapping xlobj = instance as IXLObjectMapping;
if (xlobj != null)
{
return(new XLObjectMapping(t, () => xlobj));
}
return(_types.GetOrAdd(t, f => new XLObjectMapping(t)));
}
