public static IReflectionTableBuilder AddReturnParameterAttributes <T>(this IReflectionTableBuilder builder, Expression <Action <T> > expression, IEnumerable <Attribute> attributes)
{
var method = Reflect.GetMethod <T>(expression);
if (!method.DeclaringType.Equals(typeof(T)))
{
throw new ArgumentException($"The type '{typeof(T).FullName}' does not declare a method '{method.Name}'.");
}
return(builder.AddParameterAttributes(method.ReturnParameter, attributes));
}
private static IReflectionTableBuilder AddParameterAttributes(IReflectionTableBuilder builder, LambdaExpression expression)
{
MethodCallExpression methodCallExpression = expression.Body as MethodCallExpression;
if (methodCallExpression == null)
{
throw new ArgumentException("Expression is not a single method call expression.");
}
MethodInfo targetMethod = (MethodInfo)Reflect.GetMemberInternal(methodCallExpression, true);
var parameters = targetMethod.GetParameters();
for (int i = 0; i < parameters.Length; i++)
{
var parameter = parameters[i];
var argCall = GetMethodCallExpression(methodCallExpression.Arguments[i]);
if (argCall != null)
{
if (argCall.Method.IsGenericMethod && (s_decorateEnumerableMethodInfo.Equals(argCall.Method.GetGenericMethodDefinition())))
{
Expression attrArg = argCall.Arguments[0];
var argLamb = Expression.Lambda <Func <IEnumerable <Attribute> > >(attrArg).Compile();
var attributes = argLamb();
builder.AddParameterAttributes(parameter, attributes);
}
else if (s_decorateParamsMethodInfo.Equals(argCall.Method.GetGenericMethodDefinition()))
{
Expression attrArg = argCall.Arguments[0];
var argLamb = Expression.Lambda <Func <Attribute[]> >(attrArg).Compile();
var attributes = argLamb();
builder.AddParameterAttributes(parameter, attributes);
}
}
}
return(builder);
}
public static IReflectionTableBuilder AddReturnParameterAttributes(this IReflectionTableBuilder builder, Expression <Action> expression, IEnumerable <Attribute> attributes)
{
var method = Reflect.GetMethod(expression);
return(builder.AddParameterAttributes(method.ReturnParameter, attributes));
}