internal static object AdjustType(Type operandType, object operandValue, Type toType)
{
// if no conversion required, we are done
if (operandType == toType)
{
return(operandValue);
}
object converted;
if (AdjustValueStandard(operandType, operandValue, toType, out converted))
{
return(converted);
}
// not a standard conversion, see if it's an implicit user defined conversions
ValidationError error;
MethodInfo conversion = RuleValidation.FindImplicitConversion(operandType, toType, out error);
if (conversion == null)
{
if (error != null)
{
throw new RuleEvaluationException(error.ErrorText);
}
throw new RuleEvaluationException(
string.Format(CultureInfo.CurrentCulture,
Messages.CastIncompatibleTypes,
RuleDecompiler.DecompileType(operandType),
RuleDecompiler.DecompileType(toType)));
}
// now we have a method, need to do the conversion S -> Sx -> Tx -> T
Type sx = conversion.GetParameters()[0].ParameterType;
Type tx = conversion.ReturnType;
object intermediateResult1;
if (AdjustValueStandard(operandType, operandValue, sx, out intermediateResult1))
{
// we are happy with the first conversion, so call the user's static method
object intermediateResult2 = conversion.Invoke(null, new object[] { intermediateResult1 });
object intermediateResult3;
if (AdjustValueStandard(tx, intermediateResult2, toType, out intermediateResult3))
{
return(intermediateResult3);
}
}
throw new RuleEvaluationException(
string.Format(CultureInfo.CurrentCulture,
Messages.CastIncompatibleTypes,
RuleDecompiler.DecompileType(operandType),
RuleDecompiler.DecompileType(toType)));
}
internal static object AdjustType(Type operandType, object operandValue, Type toType)
{
object obj2;
ValidationError error;
object obj3;
if (operandType == toType)
{
return(operandValue);
}
if (AdjustValueStandard(operandType, operandValue, toType, out obj2))
{
return(obj2);
}
MethodInfo info = RuleValidation.FindImplicitConversion(operandType, toType, out error);
if (info == null)
{
if (error != null)
{
throw new RuleEvaluationException(error.ErrorText);
}
throw new RuleEvaluationException(string.Format(CultureInfo.CurrentCulture, Messages.CastIncompatibleTypes, new object[] { RuleDecompiler.DecompileType(operandType), RuleDecompiler.DecompileType(toType) }));
}
Type parameterType = info.GetParameters()[0].ParameterType;
Type returnType = info.ReturnType;
if (AdjustValueStandard(operandType, operandValue, parameterType, out obj3))
{
object obj5;
object obj4 = info.Invoke(null, new object[] { obj3 });
if (AdjustValueStandard(returnType, obj4, toType, out obj5))
{
return(obj5);
}
}
throw new RuleEvaluationException(string.Format(CultureInfo.CurrentCulture, Messages.CastIncompatibleTypes, new object[] { RuleDecompiler.DecompileType(operandType), RuleDecompiler.DecompileType(toType) }));
}
