public TableSorter(IFieldProperties field, ResultOptionMode mode)
{
this.field = field ?? throw new ArgumentNullException(nameof(field));
switch (field.DataType)
{
default:
case DataType.Binary: throw new NotSupportedException();
case DataType.Bool:
comparer = Comparer <bool> .Default;
break;
case DataType.Int8:
comparer = Comparer <sbyte> .Default;
break;
case DataType.Int16:
comparer = Comparer <short> .Default;
break;
case DataType.Int32:
comparer = Comparer <int> .Default;
break;
case DataType.Int64:
comparer = Comparer <long> .Default;
break;
case DataType.UInt8:
comparer = Comparer <byte> .Default;
break;
case DataType.UInt16:
comparer = Comparer <ushort> .Default;
break;
case DataType.UInt32:
comparer = Comparer <uint> .Default;
break;
case DataType.UInt64:
comparer = Comparer <ulong> .Default;
break;
case DataType.Char:
comparer = Comparer <char> .Default;
break;
case DataType.DateTime:
comparer = Comparer <DateTime> .Default;
break;
case DataType.Decimal:
comparer = Comparer <decimal> .Default;
break;
case DataType.Double:
comparer = Comparer <double> .Default;
break;
case DataType.Enum:
comparer = Comparer.Default;
break;
case DataType.Single:
comparer = Comparer <float> .Default;
break;
case DataType.String:
comparer = Comparer <string> .Default;
break;
case DataType.TimeSpan:
comparer = Comparer <TimeSpan> .Default;
break;
case DataType.User:
comparer = Comparer <string> .Default;
break;
}
switch (mode)
{
case ResultOptionMode.SortAsc:
descending = false;
break;
case ResultOptionMode.SortDesc:
descending = true;
break;
default: throw new ArgumentOutOfRangeException(nameof(mode));
}
}
/// <inheritdoc /> public override string EscapeFieldName(IFieldProperties field) => "\"" + field.NameAtDatabase + "\"";
/// <inheritdoc /> public virtual IFieldProperties GetDatabaseFieldProperties(IFieldProperties field) => field;
