proton-c/bindings/ruby/lib/util/class_wrapper.rb

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module Qpid::Proton::Util

  # This mixin provides a method for mapping from an underlying Proton
  # C library class to a Ruby class.
  #
  # @private
  #
  module ClassWrapper

    WRAPPERS =
      {
        "pn_void" => proc {|x| Cproton.pn_void2rb(x)},
        "pn_rbref" => proc {|x| Cproton.pn_void2rb(x)},
        "pn_connection" => proc {|x| Qpid::Proton::Connection.wrap(Cproton.pn_cast_pn_connection(x))},
        "pn_session" => proc {|x| Qpid::Proton::Session.wrap(Cproton.pn_cast_pn_session(x))},
        "pn_link" => proc {|x| Qpid::Proton::Link.wrap(Cproton.pn_cast_pn_link(x))},
        "pn_delivery" => proc {|x| Qpid::Proton::Delivery.wrap(Cproton.pn_cast_pn_delivery(x))},
        "pn_transport" => proc {|x| Qpid::Proton::Transport.wrap(Cproton.pn_cast_pn_transport(x))},
        "pn_selectable" => proc {|x| Qpid::Proton::Selectable.wrap(Cproton.pn_cast_pn_selectable(x))},
        "pn_reactor" => proc {|x| Qpid::Proton::Reactor::Reactor.wrap(Cproton.pn_cast_pn_reactor(x))},
        "pn_task" => proc {|x| Qpid::Proton::Reactor::Task.wrap(Cproton.pn_cast_pn_task(x))},
      }

    def class_wrapper(clazz, c_impl, &block)
      proc_func = WRAPPERS[clazz]
      if !proc_func.nil?
        proc_func.yield(c_impl)
      elsif block_given?
        yield(c_impl)
      end
    end

  end

end