code snippets for "Using Ruby Classes In C# With IronRuby" post, part II

s1.rb

if defined? IronRuby
  def add_dotnet_friendly_method_aliases_for(klass)
    klass.public_instance_methods.each do |method|
      klass.instance_eval do
        dotnet_friendly_name = IronRuby::Clr::Name.unmangle(method) 
        alias_method dotnet_friendly_name, method unless dotnet_friendly_name.nil? # in this case, it's already a dotnet friendly name
      end
    end
  end
 
  add_dotnet_friendly_method_aliases_for Product
  add_dotnet_friendly_method_aliases_for Customer
  add_dotnet_friendly_method_aliases_for OrderItem
  add_dotnet_friendly_method_aliases_for Order
end

s2.cs

var engine = Ruby.CreateEngine();
engine.ExecuteFile("bootstrap.rb");
dynamic ruby = engine.Runtime.Globals;
 
dynamic customer = ruby.Customer.@new("Davy Brion", "[email protected]");
dynamic product1 = ruby.Product.@new("product1", 50);
dynamic product2 = ruby.Product.@new("product2", 60);
dynamic order = ruby.Order.@new(customer, null, DateTime.Now);
 
order.AddItem(ruby.OrderItem.@new(product1, 5));
order.AddItem(ruby.OrderItem.@new(product2, 5));
 
var total = 0;
foreach (dynamic item in order.Items)
{
    total += item.Count * item.Product.Price;
}
 
Console.WriteLine("order total: " + total);
Console.WriteLine();
Console.WriteLine(order.Inspect());