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Rational R1000/400 Tapes

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⟦c9ce44025⟧ TextFile

    Length: 1779 (0x6f3)
    Types: TextFile
    Names: »V«

Derivation

└─⟦149519bd4⟧ Bits:30000546 8mm tape, Rational 1000, !projects 93-07-13
    └─ ⟦124ff5788⟧ »DATA« 
        └─⟦this⟧ 
└─⟦f64eaa120⟧ Bits:30000752 8mm tape, Rational 1000, !projects 93 02 16
    └─ ⟦6f12a12be⟧ »DATA« 
        └─⟦this⟧

TextFile

with Class;
with Collection;
with Date;
with Instance;

package Box is

    Max_Size : constant Natural := 100;

    Class_Name : constant String             := "BOXES";
    Is_Dated   : constant Boolean            := True;
    Date_Mode  : constant Date.Overflow_Mode := Date.Error_Mode;

    Class_Reference : constant Class.Reference :=
       Class.Create (With_Name => Class_Name, Is_Dated => Is_Dated);
    subtype Object is Instance.Reference (Kind => Class_Reference);

    type States     is (Is_Empty, Is_Full);  
    type Existences is (Empty_Boxes, All_Boxes);

    Default_Size  : constant Natural := 10;
    Default_State : constant States  := Is_Empty;


    function Size  (O : Object) return Natural;
    function State (O : Object) return States;

    function Instances (Kind : Existences := Empty_Boxes)
                       return Collection.Object;

    function Instances return Collection.Object;

    function Exist (Greater_Than : Natural; In_Kind_Of_Collection : Existences)
                   return Boolean;
    function Exist (Between               : Natural;
                    And_Size              : Natural;
                    In_Kind_Of_Collection : Existences) return Boolean;
    function Exist (With_State : States; In_Kind_Of_Collection : Existences)
                   return Boolean;

    function Add (With_Size  : Natural := Default_Size;
                  With_State : States  := Default_State) return Object;

    procedure Change (O : Object; With_Size : Natural; With_State : States);
    procedure Change (O : Object; With_State : States);

    procedure Delete (O : Object);
    procedure Mask   (O : Object);
    procedure Unmask (O : Object);

    procedure Clean;
    procedure Mask_All;
    procedure Unmask_All;

end Box;