63 lines
1.7 KiB
Ada
Executable file
63 lines
1.7 KiB
Ada
Executable file
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-- Auteur:
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-- Gérer un stock de matériel informatique.
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package Stocks_Materiel is
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CAPACITE : constant Integer := 10; -- nombre maximum de matériels dans un stock
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type T_Nature is (UNITE_CENTRALE, DISQUE, ECRAN, CLAVIER, IMPRIMANTE);
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type t_Materiel is limited private;
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type T_Array is array (1..CAPACITE) of T_Materiel;
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type T_Stock is limited private;
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procedure Creer (Stock : out T_Stock) with
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Post => Nb_Materiels (Stock) = 0;
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function Nb_Materiels (Stock: in T_Stock) return Integer with
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Post => Nb_Materiels'Result >= 0 and Nb_Materiels'Result <= CAPACITE;
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procedure Enregistrer (
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Stock : in out T_Stock;
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Numero_Serie : in Integer;
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Nature : in T_Nature;
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Annee_Achat : in Integer
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) with
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Pre => Nb_Materiels (Stock) < CAPACITE,
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Post => Nb_Materiels (Stock) = Nb_Materiels (Stock)'Old + 1;
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function Nb_Materiels_DEAD (Stock: in T_Stock) return Integer with
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Post => Nb_Materiels_DEAD'Result >= 0 and Nb_Materiels_DEAD'Result <= CAPACITE;
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procedure change_state (Stock: in out T_Stock; state: in Boolean; identifiant: in Integer);
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procedure supprimer_materiel (stock: in out T_Stock; identifiant: in Integer);
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procedure supprimer_all_dead (stock: in out T_Stock);
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private
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type T_Materiel is
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record
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ID: Integer := -1;
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Nature: T_Nature;
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Annee: Integer;
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Etat: Boolean;
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end record;
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type T_Stock is
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record
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Elements: T_Array;
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Taille: Integer := 0;
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end record;
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end Stocks_Materiel;
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