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TextFile

with Message_Interchange;
with Parameter;
with Signature;
with String_Utilities;
with Text_Io;
package body Message is

    Sep : Character renames Message_Interchange.Separator;

    function Sup (S : String) return String renames String_Utilities.Upper_Case;

    function Create (Class : Message.Class;
                     Addressee : Natural;
                     Sender : Natural;
                     Method : Standard.Method.Object) return Message.Object is
    begin
        return Object'(Class, Addressee, Sender, Method);
    end Create;


    function Get_Class (Message : Standard.Message.Object) return Class is
    begin
        return Message.Class;
    end Get_Class;


    function Get_Addressee (Message : Standard.Message.Object) return Natural is
    begin
        return Message.Addressee;
    end Get_Addressee;


    function Get_Sender (Message : Standard.Message.Object) return Natural is
    begin
        return Message.Sender;
    end Get_Sender;


    function Get_Method (Message : Standard.Message.Object)
                        return Method.Object is
    begin
        return Message.Method;
    end Get_Method;


    function Image (Message : Standard.Message.Object) return String is
    begin
        return Class'Image (Message.Class) & Sep &
                  Natural'Image (Message.Addressee) & Sep &
                  Natural'Image (Message.Sender) &
                  Sep & Method.Image (Message.Method);
    end Image;


    function Value (The_String : String) return Message.Object is
        S : String renames The_String;
        Addressee : Positive := The_String'First;
        Sender : Positive;
        Method : Positive;
    begin
        loop
            exit when The_String (Addressee) = Sep;
            Addressee := Addressee + 1;
        end loop;
        Sender := Addressee + 1;

        loop
            exit when The_String (Sender) = Sep;  
            Sender := Sender + 1;
        end loop;  
        Method := Sender + 1;

        loop
            exit when The_String (Method) = Sep;  
            Method := Method + 1;
        end loop;

        return Object'(Class => Message.Class'Value
                                   (S (S'First .. Addressee - 1)),
                       Addressee => Natural'Value
                                       (S (Addressee + 1 .. Sender - 1)),
                       Sender => Natural'Value (S (Sender + 1 .. Method - 1)),
                       Method => Standard.Method.Value
                                    (S (Method + 1 .. S'Last)));

    end Value;


    function Create (Class : Message.Class;
                     Addressee : Natural;
                     Sender : Natural;
                     Method : String;
                     Parameter_Name : String;
                     Parameter_Class : String;
                     Parameter_Value : String) return Message.Object is

        Sig : Signature.Object := Signature.Create;
    begin  
        Signature.Add (To_Signature => Sig,
                       The_Parameter => Parameter.Create
                                           (Name => Parameter_Name,
                                            Class => Parameter_Class,
                                            Value => Parameter_Value),
                       At_Position => 1);

        return Message.Create (Class, Addressee, Sender,
                               Method => Standard.Method.Create
                                            (Name => Method, Signature => Sig));
    end Create;


    function Create (Class : Message.Class;
                     Addressee : Natural;
                     Sender : Natural;
                     Method : String;
                     Parameter1_Name : String;
                     Parameter1_Class : String;
                     Parameter1_Value : String;
                     Parameter2_Name : String;
                     Parameter2_Class : String;
                     Parameter2_Value : String) return Message.Object is

        Sig : Signature.Object := Signature.Create;
    begin
        Signature.Add (To_Signature => Sig,
                       The_Parameter => Parameter.Create
                                           (Name => Parameter1_Name,
                                            Class => Parameter1_Class,
                                            Value => Parameter1_Value),
                       At_Position => 1);

        Signature.Add (To_Signature => Sig,
                       The_Parameter => Parameter.Create
                                           (Name => Parameter2_Name,
                                            Class => Parameter2_Class,
                                            Value => Parameter2_Value),
                       At_Position => 2);

        return Message.Create (Class, Addressee, Sender,
                               Method => Standard.Method.Create
                                            (Name => Method, Signature => Sig));
    end Create;


    function Create (Class : Message.Class;
                     Addressee : Natural;
                     Sender : Natural;
                     Method : String;
                     Parameter1_Name : String;
                     Parameter1_Class : String;
                     Parameter1_Value : String;
                     Parameter2_Name : String;
                     Parameter2_Class : String;
                     Parameter2_Value : String;
                     Parameter3_Name : String;
                     Parameter3_Class : String;
                     Parameter3_Value : String) return Message.Object is

        Sig : Signature.Object := Signature.Create;
    begin
        Signature.Add (To_Signature => Sig,
                       The_Parameter => Parameter.Create
                                           (Name => Parameter1_Name,
                                            Class => Parameter1_Class,
                                            Value => Parameter1_Value),
                       At_Position => 1);

        Signature.Add (To_Signature => Sig,
                       The_Parameter => Parameter.Create
                                           (Name => Parameter2_Name,
                                            Class => Parameter2_Class,
                                            Value => Parameter2_Value),
                       At_Position => 2);

        Signature.Add (To_Signature => Sig,
                       The_Parameter => Parameter.Create
                                           (Name => Parameter3_Name,
                                            Class => Parameter3_Class,
                                            Value => Parameter3_Value),
                       At_Position => 3);

        return Message.Create (Class, Addressee, Sender,
                               Method => Standard.Method.Create
                                            (Name => Method, Signature => Sig));

    end Create;


    procedure Set_Class (Message : in out Standard.Message.Object;
                         Class : Standard.Message.Class) is
    begin
        Message.Class := Class;
    end Set_Class;


    procedure Set_Addressee (Message : in out Standard.Message.Object;
                             Addressee : Natural) is
    begin
        Message.Addressee := Addressee;
    end Set_Addressee;


    procedure Set_Sender
                 (Message : in out Standard.Message.Object; Sender : Natural) is
    begin
        Message.Sender := Sender;
    end Set_Sender;
end Message;