private void WriteIsMatch(ILWriter writer, PropertyInfo property, IsMatchForAttribute isMatchAttribute)
{
var validationKind = ValidationKind.RegularExpressionMatch;
var local = writer.DeclareLocal <string>();
if (property.PropertyType == typeof(string))
{
writer.LoadFirstParameter();
writer.GetPropertyValue(property);
writer.SetLocal(local);
}
else
{
var temp = writer.DeclareLocal(property.PropertyType);
writer.LoadFirstParameter();
writer.GetPropertyValue(property);
writer.SetLocal(temp);
writer.LoadLocal(temp);
var notNull = writer.IsNotNull();
WriteFailureResult(writer, validationKind, CommonResults.CannotValidateNullProperty.WithValues(property.ReflectedType.Name, property.Name));
writer.Return();
writer.MarkLabel(notNull);
writer.LoadLocal(temp);
writer.InstanceMethodCall(KnownMetadata.Methods.Object_ToString);
writer.SetLocal(local);
}
writer.LoadLocal(local);
writer.LoadString(isMatchAttribute.RegularExpression);
writer.StaticMethodCall(KnownMetadata.Methods.Regex_IsMatch);
var end = writer.IfFalseThen();
WriteFailureResult(writer, validationKind, CommonResults.RegularExpressionWasNotMatch.WithValues(property.ReflectedType.Name, property.Name));
writer.Return();
writer.MarkLabel(end);
}
void WriteValidatorBody <T>(ILWriter writer)
{
if (typeof(T).IsValueType)
{
WritePropertyValidation <T>(writer);
WriteSuccessResult(writer);
writer.Return();
}
else
{
writer.LoadFirstParameter(); //Load the parameter we're validating
var isNull = writer.IsNotNull();
WritePropertyValidation <T>(writer);
writer.MarkLabel(isNull); //Ending mark for initial parameter null check
WriteSuccessResult(writer);
writer.Return();
}
}