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Das Paket Ada.Streams.Stream_IO


with Ada.IO_Exceptions;
package Ada.Streams.Stream_IO is

type Stream_Access is access all Root_Stream_Type'Class;

type File_Type is limited private;

type File_Mode is (In_File, Out_File, Append_File);

type Count is range 0 .. implementation-defined;
subtype Positive_Count is Count range 1 .. Count'Last;
-Indexintofile,instreamelements.

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

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

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

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

function Is_Open (File : in File_Type) return Boolean;
function End_Of_File (File : in File_Type) return Boolean;

function Stream (File : in File_Type) return Stream_Access;
-ReturnstreamaccessforusewithT'InputandT'Output


-Readarrayofstreamelementsfromfile
procedure Read (File : in File_Type;
Item : out Stream_Element_Array;
Last : out Stream_Element_Offset;
From : in Positive_Count);

procedure Read (File : in File_Type;
Item : out Stream_Element_Array;
Last : out Stream_Element_Offset);


-Writearrayofstreamelementsintofile
procedure Write (File : in File_Type;
Item : in Stream_Element_Array;
To : in Positive_Count);

procedure Write (File : in File_Type;
Item : in Stream_Element_Array);


-Operationsonpositionwithinfile

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

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

function End_Of_File(File : in File_Type) return Boolean;

procedure Set_Mode(File : in out File_Type; Mode : in File_Mode);

procedure Flush(File : in out File_Type);

-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
... -notspecifiedbythelanguage
end Ada.Streams.Stream_IO;



Johann Blieberger
Wed Feb 11 09:58:52 MET 1998