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top - downloadIndex: ┃ B T ┃
Length: 13781 (0x35d5)
Types: TextFile
Names: »B«
└─⟦85b835f43⟧ Bits:30000549 8mm tape, Rational 1000, Xlib rev 6.00
└─ ⟦0c20f784e⟧ »DATA«
└─⟦1abbe589f⟧
└─⟦591c5b094⟧
└─⟦this⟧
with Text_Io;
use Text_Io;
with Vstring_Heap;
use Vstring_Heap;
with Vstring_Type;
use Vstring_Type;
package body Vstring_Io is
------------------------------------------------------------------------------
-- Vstring I/O
------------------------------------------------------------------------------
-- Copyright 1988 - 1991 by Rational, Santa Clara, California.
--
-- All Rights Reserved.
--
-- Permission to use, copy, modify, and distribute this software and its
-- documentation for any purpose and without fee is hereby granted,
-- provided that the above copyright notice(s) appear in all copies and that
-- both that copyright notice(s) and this permission notice appear in
-- supporting documentation, and that the name of Rational not be used in
-- advertising or publicity pertaining to distribution of the software
-- without specific, written prior permission.
--
-- Rational disclaims all warranties with regard to this software, including
-- all implied warranties of merchantability and fitness, in no event shall
-- Rational be liable for any special, indirect or consequential damages or
-- any damages whatsoever resulting from loss of use, data or profits, whether
-- in an action of contract, negligence or other tortious action, arising out
-- of or in connection with the use or performance of this software.
------------------------------------------------------------------------------
----Some Text_Io's have problems with strings(1..Natural'Last) so we'll do
-- approximately (1..Natural'Last/2) at most in one I/O.
Natural_Last : constant S_Natural := (S_Natural (Natural'Last) + 1) / 2;
--\f
procedure Get (File : Text_Io.File_Type;
Line : in out Vstring_Data;
End_Of_Line : in out Boolean;
End_Of_Page : in out Boolean;
End_Of_File : in out Boolean) is
----Just line Get. Get all or part of a line.
-- End_Of_Line iff Item contains the end of line (possibly null)
-- End_Of_Page iff End_Of_Line and this is the last line of the page
-- End_Of_File iff End_Of_Page and this is the last page of the file
--
-- The intent if for each call to return as many characters from the
-- line as fit, but Line.Length /= Line.Maximum_Length doesn't imply
-- End_Of_Line.
Lno : Positive_Count := Text_Io.Line (File);
Pno : Positive_Count := Text_Io.Page (File);
Length : Natural;
Buffer : String (1 .. Natural (Min (512, Line.Maximum_Length)));
begin
if Text_Io.End_Of_File (File) then
Line.Length := 0;
End_Of_File := True;
End_Of_Page := True;
End_Of_Line := True;
return;
end if;
Get_Line (File, Buffer, Length);
Line.Length := S_Natural (Length);
Line.Chars (1 .. Line.Length) := E_String (Buffer (1 .. Length));
while Line.Length < Line.Maximum_Length and then
not Text_Io.End_Of_Line (File) loop
if S_Natural (Buffer'Length) >
Line.Maximum_Length - Line.Length then
Get_Line
(File,
Buffer (1 .. Natural (Line.Maximum_Length - Line.Length)),
Length);
else
Get_Line (File, Buffer, Length);
end if;
Line.Chars (Line.Length + 1 .. Line.Length + S_Natural (Length)) :=
E_String (Buffer (1 .. Length));
Line.Length := Line.Length + S_Natural (Length);
end loop;
End_Of_File := Text_Io.End_Of_File (File);
End_Of_Page := End_Of_File or else
Pno /= Text_Io.Page (File);
End_Of_Line := End_Of_Page or else
Lno /= Text_Io.Line (File);
end Get;
--\f
procedure Get (File : Text_Io.File_Type;
Line : Vstring;
End_Of_Line : in out Boolean;
End_Of_Page : in out Boolean;
End_Of_File : in out Boolean) is
----Just line Get. Get all or part of a line.
-- End_Of_Line iff Item contains the end of line (possibly null)
-- End_Of_Page iff End_Of_Line and this is the last line of the page
-- End_Of_File iff End_Of_Page and this is the last page of the file
--
-- The intent if for each call to return as many characters from the
-- line as fit, but Line.Length /= Line.Maximum_Length doesn't imply
-- End_Of_Line.
Lno : Positive_Count := Text_Io.Line (File);
Pno : Positive_Count := Text_Io.Page (File);
Length : Natural;
Buffer : String (1 .. Natural (Min (512, Line.Maximum_Length)));
begin
if Text_Io.End_Of_File (File) then
Line.Length := 0;
End_Of_File := True;
End_Of_Page := True;
End_Of_Line := True;
return;
end if;
Get_Line (File, Buffer, Length);
Line.Length := S_Natural (Length);
Line.Chars (1 .. Line.Length) := E_String (Buffer (1 .. Length));
while Line.Length < Line.Maximum_Length and then
not Text_Io.End_Of_Line (File) loop
if S_Natural (Buffer'Length) >
Line.Maximum_Length - Line.Length then
Get_Line
(File,
Buffer (1 .. Natural (Line.Maximum_Length - Line.Length)),
Length);
else
Get_Line (File, Buffer, Length);
end if;
Line.Chars (Line.Length + 1 .. Line.Length + S_Natural (Length)) :=
E_String (Buffer (1 .. Length));
Line.Length := Line.Length + S_Natural (Length);
end loop;
End_Of_File := Text_Io.End_Of_File (File);
End_Of_Page := End_Of_File or else
Pno /= Text_Io.Page (File);
End_Of_Line := End_Of_Page or else
Lno /= Text_Io.Line (File);
end Get;
--\f
procedure Get_Resize (File : Text_Io.File_Type;
Line : in out Vstring;
Resize_Amount : S_Positive;
End_Of_Line : in out Boolean;
End_Of_Page : in out Boolean;
End_Of_File : in out Boolean) is
----Just like Get above except that Line will be continually resized
-- by Resize_Amount's until we can fit in an entire line (or until we
-- hit End_Of_Page/File).
Lno : Positive_Count := Text_Io.Line (File);
Pno : Positive_Count := Text_Io.Page (File);
Length : Natural;
Buffer : String (1 .. 512);
begin
----Try to fit a line into the space available.
if Text_Io.End_Of_File (File) then
Line.Length := 0;
End_Of_File := True;
End_Of_Page := True;
End_Of_Line := True;
return;
end if;
Get_Line
(File,
Buffer
(1 .. Natural
(Min (S_Natural (Buffer'Last), Line.Maximum_Length))),
Length);
Line.Length := S_Natural (Length);
Line.Chars (1 .. Line.Length) := E_String (Buffer (1 .. Length));
End_Of_File := Text_Io.End_Of_File (File);
End_Of_Page := End_Of_File or else
Pno /= Text_Io.Page (File);
End_Of_Line := End_Of_Page or else
Lno /= Text_Io.Line (File);
----If we succeeded then return our result.
if End_Of_Line then
return;
end if;
----Loop until we hit End_Of something.
declare
Start : S_Natural := Line.Length + 1;
Finish : S_Natural;
begin
loop
----Grab up to the next 512 characters of line.
Get_Line (File, Buffer, Length);
----Resize the buffer up one notch and then read into the new space.
Finish := Line.Length + S_Natural (Length);
if Finish > Line.Maximum_Length then
Resize_Vstring (Line, (Finish + Resize_Amount - 1)
/ Resize_Amount * Resize_Amount);
end if;
Line.Chars (Start .. Finish) := E_String (Buffer (1 .. Length));
Line.Length := Finish;
End_Of_File := Text_Io.End_Of_File (File);
End_Of_Page := End_Of_File or else
Pno /= Text_Io.Page (File);
End_Of_Line := End_Of_Page or else
Lno /= Text_Io.Line (File);
----If we've reached End_Of something then set our length and return.
Line.Length := Finish;
if End_Of_Line then
return;
end if;
----No luck, record the high-water mark and continue.
Start := Finish + 1;
end loop;
end;
end Get_Resize;
--\f
procedure Put (Vstr : Vstring_Data) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 0 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
end if;
end Put;
--\f
procedure Put (File : Text_Io.File_Type; Vstr : Vstring_Data) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 0 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (File, String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
end if;
end Put;
--\f
procedure Put_Line (Vstr : Vstring_Data) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 1 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
Put_Line (String (Vstr.Chars (Start .. Vstr.Length)));
else
New_Line;
end if;
end Put_Line;
--\f
procedure Put_Line (File : Text_Io.File_Type; Vstr : Vstring_Data) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 1 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (File, String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
Put_Line (File, String (Vstr.Chars (Start .. Vstr.Length)));
else
New_Line (File);
end if;
end Put_Line;
--\f
procedure Put (Vstr : Vstring) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 0 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
end if;
end Put;
--\f
procedure Put (File : Text_Io.File_Type; Vstr : Vstring) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 0 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (File, String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
end if;
end Put;
--\f
procedure Put_Line (Vstr : Vstring) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 1 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
Put_Line (String (Vstr.Chars (Start .. Vstr.Length)));
else
New_Line;
end if;
end Put_Line;
--\f
procedure Put_Line (File : Text_Io.File_Type; Vstr : Vstring) is
----Do output of the contents of a Vstring.
Start : S_Natural := 1;
Finish : S_Natural;
begin
if Vstr.Length > 0 then
for I in S_Natural range 1 .. (Vstr.Length - 1) / Natural_Last loop
Finish := Min (Vstr.Length, Start + Natural_Last - 1);
Put (File, String (Vstr.Chars (Start .. Finish)));
Start := Finish + 1;
end loop;
Put_Line (File, String (Vstr.Chars (Start .. Vstr.Length)));
else
New_Line (File);
end if;
end Put_Line;
--\f
end Vstring_Io;