module ConfigurationDsl

# File lib/configuration_dsl.rb, line 47
def configuration
  @configuration_dsl ||= Impl.new(self)
  @configuration_dsl.find_configuration
end

# File lib/configuration_dsl.rb, line 29
def configure(&block)
  @configuration_dsl ||= Impl.new(self)
  
  # Instance eval the block.
  if block_given?
    _module = @configuration_dsl.find_module
    raise Error, "cannot find configuration module" unless _module
    dsl = Dsl.new(Impl.dup_struct(configuration)) # Dup it to unfreeze it.
    dsl.send(:extend, _module)
    dsl.instance_eval(&block)
    @configuration_dsl.configuration = dsl.configuration.freeze
  end
  
  # Run the callback.
  callback = @configuration_dsl.find_callback
  instance_eval(&callback) if callback
end

# File lib/configuration_dsl.rb, line 10
  def configure_with(configuration_module, &block)
    @configuration_dsl ||= Impl.new(self)
    @configuration_dsl.module = configuration_module
    @configuration_dsl.callback = block if block_given?
    @configuration_dsl.default_configuration!
    
    # Automatically define setters.
    @configuration_dsl.module.module_eval do
      self::DEFAULTS.keys.each do |name|
        next if method_defined?(name) # Don't override custom setters.
        module_eval <<-code
          def #{name}(value)
            configuration.#{name} = value
          end
        code
      end
    end
  end