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

s1.rb

class Customer
  attr_reader :name
  attr_reader :email
   
  def initialize(name, email)
    @name = name
    @email = email
  end
end
 
class Product
  attr_reader :name
  attr_reader :price
 
  def initialize(name, price)
    @name = name
    @price = price
  end
end
 
class OrderItem
  attr_reader :product
  attr_reader :count
 
  def initialize(product, count)
    @product = product
    @count = count
  end
end
 
class Order
  attr_reader :customer
  attr_reader :date
  attr_reader :discount
  attr_reader :items
   
  def initialize(customer, discount, date)
    @customer = customer
    @discount = discount
    @date = date
    @items = []
  end
   
  def add_item(item)
    @items << item
  end
end

s2.rb

load 'product.rb'
load 'customer.rb'
load 'orderitem.rb'
load 'order.rb'

s3.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.add_item(ruby.OrderItem.@new(product1, 5));
order.add_item(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());

s4.cs

var engine = Ruby.CreateEngine();
engine.ExecuteFile("bootstrap.rb");
dynamic ruby = engine.Runtime.Globals;

s5.cs

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);

s6.cs

order.add_item(ruby.OrderItem.@new(product1, 5));
order.add_item(ruby.OrderItem.@new(product2, 5));

s7.cs

var total = 0;
foreach (dynamic item in order.items)
{
    total += item.count * item.product.price;
}

s8.cs

count = item.count
item.count = 5

s9.cs

count = item.count()
item.count=(5) # the method name actually is 'count='