DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400 Tapes

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400 Tapes

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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Index: ┃ T V ┃

⟦ec92a709b⟧ TextFile

    Length: 2284 (0x8ec)
    Types: TextFile
    Names: »V«

Derivation

└─⟦25882cbde⟧ Bits:30000536 8mm tape, Rational 1000, RCI_RS6000_AIX_IBM 2_0_2
    └─ ⟦b8efda8ac⟧ »DATA« 
        └─⟦7061b4ee8⟧ 
            └─⟦dea849e77⟧ 
                └─⟦this⟧

TextFile

with Io_Exceptions;

generic
    type Element_Type is private;
package Direct_Io is

    type File_Type is limited private;

    type File_Mode is (In_File, Inout_File, Out_File);
    type Count is new Integer range 0 .. Integer'Last / Element_Type'Size;
    subtype Positive_Count is Count range 1 .. Count'Last;


    -- File management


    procedure Create (File : in out File_Type;
                      Mode : File_Mode := Inout_File;
                      Name : String := "";
                      Form : String := "");

    procedure Open (File : in out File_Type;
                    Mode : File_Mode;
                    Name : String;
                    Form : String := "");

    procedure Close (File : in out File_Type);
    procedure Delete (File : in out File_Type);
    procedure Reset (File : in out File_Type; Mode : File_Mode);
    procedure Reset (File : in out File_Type);

    function Mode (File : File_Type) return File_Mode;
    function Name (File : File_Type) return String;
    function Form (File : File_Type) return String;

    function Is_Open (File : File_Type) return Boolean;

    -- Input and output operations

    procedure Read (File : File_Type;
                    Item : out Element_Type;
                    From : Positive_Count);
    procedure Read (File : File_Type; Item : out Element_Type);

    procedure Write (File : File_Type;
                     Item : Element_Type;
                     To : Positive_Count);
    procedure Write (File : File_Type; Item : Element_Type);

    procedure Set_Index (File : File_Type; To : Positive_Count);

    function Index (File : File_Type) return Positive_Count;
    function Size (File : File_Type) return Count;

    function End_Of_File (File : File_Type) return Boolean;


    -- Exceptions

    Status_Error : exception renames Io_Exceptions.Status_Error;
    Mode_Error : exception renames Io_Exceptions.Mode_Error;
    Name_Error : exception renames Io_Exceptions.Name_Error;
    Use_Error : exception renames Io_Exceptions.Use_Error;
    Device_Error : exception renames Io_Exceptions.Device_Error;
    End_Error : exception renames Io_Exceptions.End_Error;
    Data_Error : exception renames Io_Exceptions.Data_Error;

private

    type File_Type is access Integer;

end Direct_Io;