DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400 Tapes

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artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400 Tapes

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Index: T V

⟦a1fef528e⟧ TextFile

    Length: 3793 (0xed1)
    Types: TextFile
    Names: »V«

Derivation

└─⟦d10a02448⟧ Bits:30000409 8mm tape, Rational 1000, ENVIRONMENT, D_12_7_3
    └─⟦fc9b38f02⟧ »DATA« 
        └─⟦9b46a407a⟧ 
            └─⟦12c68c704⟧ 
                └─⟦this⟧ 
└─⟦5f3412b64⟧ Bits:30000745 8mm tape, Rational 1000, ENVIRONMENT 12_6_5 TOOLS 
    └─⟦91c658230⟧ »DATA« 
        └─⟦458657fb6⟧ 
            └─⟦220843204⟧ 
                └─⟦this⟧

TextFile

package Bounded_String is

    pragma Subsystem (Tools, Private_Part => Open);
    pragma Module_Name (4, 3976);

    subtype String_Length is Natural;

    type Variable_String (Maximum_Length : String_Length) is private;
    -- initialized to have a length of 0

    procedure Copy (Target : in out Variable_String; Source : Variable_String);
    procedure Copy (Target : in out Variable_String; Source : String);
    procedure Copy (Target : in out Variable_String; Source : Character);

    procedure Move (Target : in out Variable_String;
                    Source : in out Variable_String);

    function Image (V : Variable_String) return String;

    -- Value function with maximum length = current length
    function Value (S : String) return Variable_String;

    -- Value function with specified maximum length
    function Value (S : String; Max_Length : Natural) return Variable_String;

    procedure Free (V : in out Variable_String);

    procedure Append (Target : in out Variable_String;
                      Source :        Variable_String);
    procedure Append (Target : in out Variable_String; Source : String);
    procedure Append (Target : in out Variable_String; Source : Character);
    procedure Append (Target : in out Variable_String;
                      Source :        Character;
                      Count  :        Natural);

    procedure Insert (Target : in out Variable_String;
                      At_Pos :        Positive;
                      Source :        Variable_String);
    procedure Insert (Target : in out Variable_String;
                      At_Pos :        Positive;
                      Source :        String);
    procedure Insert (Target : in out Variable_String;
                      At_Pos :        Positive;
                      Source :        Character);
    procedure Insert (Target : in out Variable_String;
                      At_Pos :        Positive;
                      Source :        Character;
                      Count  :        Natural);

    procedure Delete (Target : in out Variable_String;
                      At_Pos :        Positive;
                      Count  :        Natural := 1);

    procedure Replace (Target : in out Variable_String;
                       At_Pos :        Positive;
                       Source :        Character);
    procedure Replace (Target : in out Variable_String;
                       At_Pos :        Positive;
                       Source :        Character;
                       Count  :        Natural);
    procedure Replace (Target : in out Variable_String;
                       At_Pos :        Positive;
                       Source :        String);
    procedure Replace (Target : in out Variable_String;
                       At_Pos :        Positive;
                       Source :        Variable_String);

    procedure Set_Length (Target     : in out Variable_String;
                          New_Length :        Natural;
                          Fill_With  :        Character := ' ');
    -- Truncate or extend with fill

    function Length (Source : Variable_String) return Natural;
    -- Get information about or contents of a string

    function Char_At (Source : Variable_String; At_Pos : Positive)
                     return Character;

    function Extract (Source    : Variable_String;
                      Start_Pos : Positive;
                      End_Pos   : Natural) return String;

    function Max_Length (Source : Variable_String) return Natural;
    -- get the allocated length of the string

private
    type Variable_String (Maximum_Length : String_Length) is
        record
            Length   : String_Length := 0;
            Contents : String (1 .. Maximum_Length);
        end record;
end Bounded_String;