Module Rumai::IXP::Struct

# File lib/rumai/ixp/message.rb, line 86
      def self.included target
        class << target
          ##
          # Returns a list of fields which compose this Struct.
          #
          def fields
            @fields ||=
              if superclass.respond_to? :fields
                superclass.fields.dup
              else
                []
              end
          end

          ##
          # Defines a new field in this Struct.
          #
          # [args] arguments for Field.new()
          #
          def field name, format = nil, *args
            klass = Field.factory(format)
            field = klass.new(name.to_sym, format, *args)

            # register field as being part of this structure
            fields << field

            # provide accessor methods to field values
            self.class_eval "def \#{field.name}\n@values[\#{field.name.inspect}]\nend\n\ndef \#{field.name}= value\n@values[\#{field.name.inspect}] = value\nend\n", __FILE__, __LINE__

            field
          end

          ##
          # Creates a new instance of this class from the
          # given 9P2000 byte stream and returns the instance.
          #
          def from_9p stream, msg_class = self
            msg = msg_class.new
            msg.load_9p(stream)
            msg
          end
        end
      end

# File lib/rumai/ixp/message.rb, line 60
      def initialize field_values = {}
        @fields = self.class.fields
        @values = field_values
      end

# File lib/rumai/ixp/message.rb, line 76
      def load_9p stream
        @fields.each do |f|
          f.load_9p stream, @values
        end
      end

# File lib/rumai/ixp/message.rb, line 68
      def to_9p
        @fields.inject([]) {|s,f| s << f.to_9p(@values) }.join
      end