public override object Resolve(ValueTypeResolutionContext context)
{
if (!typeof(Enum).IsAssignableFrom(context.DesiredType))
{
return(base.Resolve(context));
}
return(ResolveEnum(context));
}
public Expression GetValueExpression(string input, Type targetType)
{
var resolutionContext = new ValueTypeResolutionContext(
value: input,
desiredType: targetType);
var parsedValue = _valueTypeResolver.Resolve(resolutionContext);
return(Expression.Constant(parsedValue, targetType));
}
private object ResolveEnum(ValueTypeResolutionContext context)
{
var enumType = context.DesiredType;
var parserType = typeof(EnumValueParser <>).MakeGenericType(enumType);
var parser = Activator.CreateInstance(parserType);
var parserMethod = parserType.GetMethod("Parse", new Type[] { typeof(string) });
var result = parserMethod.Invoke(parser, new[] { context.Value });
return(result);
}
public virtual object Resolve(ValueTypeResolutionContext context)
{
var parserBinding = ValueParserBindings.First(binding => binding.Type.IsAssignableFrom(context.DesiredType));
return(parserBinding.Parser.Parse(context.Value));
}
