/// <summary>
/// Converts enum to its map value.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns>Mapped value.</returns>
public object EnumToValue([NotNull] Enum value)
{
Code.NotNull(value, nameof(value));
var toType = ConvertBuilder.GetDefaultMappingFromEnumType(this, value.GetType());
return(Converter.ChangeType(value, toType, this));
}
public void ConvertNullableEnum()
{
var schema = new MappingSchema("2");
Assert.That(schema.GetDefaultValue(typeof(Enum1?)), Is.Null);
var mapType = ConvertBuilder.GetDefaultMappingFromEnumType(schema, typeof(Enum1?));
Assert.That(mapType, Is.EqualTo(typeof(int?)));
var convertedValue = Converter.ChangeType(null, mapType, schema);
Assert.IsNull(convertedValue);
}
private static void Init()
{
var expr = ConvertBuilder.GetConverter(null, typeof(TFrom), typeof(TTo));
_expression = (Expression <Func <TFrom, TTo> >)expr.Item1;
var rexpr = (Expression <Func <TFrom, TTo> >)expr.Item1.Transform(e => e is DefaultValueExpression ? e.Reduce() : e);
_lambda = rexpr.Compile();
}
public LambdaInfo Create([CanBeNull] MappingSchema mappingSchema, [NotNull] Type from, [NotNull] Type to)
{
var ex = ConvertBuilder.GetConverter(mappingSchema, from, to);
var lm = ex.Item1.Compile();
var ret = new LambdaInfo(ex.Item1, ex.Item2, lm, ex.Item3);
Set(_expressions, from, to, ret);
return(ret);
}
/// <summary>
/// Converts enum to its map value.
/// </summary>
/// <param name="value">Value to convert.</param>
/// <returns>Mapped value.</returns>
public object EnumToValue(Enum value)
{
var toType = ConvertBuilder.GetDefaultMappingFromEnumType(this, value.GetType());
return(Converter.ChangeType(value, toType, this));
}