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Length: 6144 (0x1800)
Types: Ada Source
Notes: 03_class, FILE, R1k_Segment, e3_tag, package body File, seg_0497d6
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─ ⟦5a81ac88f⟧ »Space Info Vol 1«
└─⟦this⟧
------------------------------------------------------------------------
-- <UNIT> FILE
------------------------------------------------------------------------
--
-- <DESCRIPTION> This package defines operations for reading characters
-- from a stream.
--
-- <AUTHOR> Barthe Raphael, Beck Didier, Kempe Laurent
-- <VERSION> 1.0
-- <DATE> 05-Oct-94
-- <MODIFY> 05-Oct-95
--
-- <PKG USED> TEXT_IO
------------------------------------------------------------------------
package body File is
Currentchar : Character;
-- CurrentChar is the last character read from the stream.
Lookahead : Boolean := False;
-- LookAhead is a flag to know if we've already read the next character.
procedure Open is
--------------------------------------------------------------------------------
-- <SUBPROGRAM>
-- <UNIT> Open
--
-- <DESCRIPTION> Open the stream.
--
-- <EXCEPTIONS> Nothing
--
--------------------------------------------------------------------------------
begin
Lookahead := False;
end Open;
function Atend return Boolean is
--------------------------------------------------------------------------------
-- <SUBPROGRAM>
-- <UNIT> AtEnd
--
-- <DESCRIPTION> Check if we have read the last character of the stream.
--
-- <EXCEPTIONS> Nothing
--
--------------------------------------------------------------------------------
begin
if Currentchar = Ascii.Eot then
return True;
else
return False;
end if;
end Atend;
procedure Next (File : Text_Io.File_Type) is
--------------------------------------------------------------------------------
-- <SUBPROGRAM>
-- <UNIT> Next
--
-- <DESCRIPTION> Read the next character from the stream.
--
-- <EXCEPTIONS> Nothing
--
--------------------------------------------------------------------------------
begin
if Lookahead then
Lookahead := False;
else
if Text_Io.End_Of_File (File) then
Currentchar := Ascii.Eot;
elsif Text_Io.End_Of_Line (File) then
Text_Io.Skip_Line (File);
Currentchar := Ascii.Cr;
else
Text_Io.Get (File, Currentchar);
end if;
end if;
end Next;
function Getvalue return Character is
--------------------------------------------------------------------------------
-- <SUBPROGRAM>
-- <UNIT> Value
--
-- <DESCRIPTION> return the last character read from the stream.
--
-- <EXCEPTIONS> Nothing
--
--------------------------------------------------------------------------------
begin
return Currentchar;
end Getvalue;
function Get (File : Text_Io.File_Type) return Character is
--------------------------------------------------------------------------------
-- <SUBPROGRAM>
-- <UNIT> Get
--
-- <DESCRIPTION> Get a character from the stream and return it.
--
-- <EXCEPTIONS> Nothing
--
--------------------------------------------------------------------------------
begin
Next (File);
return Getvalue;
end Get;
procedure Unget is
--------------------------------------------------------------------------------
-- <SUBPROGRAM>
-- <UNIT> UnGet
--
-- <DESCRIPTION> Erase the last character read from the stream.
--
-- <EXCEPTIONS> Nothing
--
--------------------------------------------------------------------------------
begin
Lookahead := True;
end Unget;
end File;
nblk1=5
nid=0
hdr6=a
[0x00] rec0=21 rec1=00 rec2=01 rec3=01e
[0x01] rec0=12 rec1=00 rec2=05 rec3=038
[0x02] rec0=21 rec1=00 rec2=02 rec3=050
[0x03] rec0=21 rec1=00 rec2=03 rec3=072
[0x04] rec0=0b rec1=00 rec2=04 rec3=001
tail 0x21546e2be865e68b83609 0x42a00088462060003