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------------------------------------------------------------------------------
-- --
-- ASIS Tester And iNTerpreter (ASIStant) COMPONENTS --
-- --
-- A S I S T A N T . S T R I N G _ H A N D L I N G --
-- --
-- B o d y --
-- --
-- Copyright (c) 1997-2005, Free Software Foundation, Inc. --
-- --
-- ASIStant is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 2, or (at your option) any later --
-- version. ASIStant is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MER- --
-- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General --
-- Public License for more details. You should have received a copy of the --
-- GNU General Public License distributed with GNAT; see file COPYING. If --
-- not, write to the Free Software Foundation, 59 Temple Place Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-- ASIStant is an evolution of ASIStint tool that was created by --
-- Vasiliy Fofanov as part of a collaboration between Software Engineering --
-- Laboratory of the Swiss Federal Institute of Technology in Lausanne, --
-- Switzerland, and the Scientific Research Computer Center of the Moscow --
-- University, Russia, supported by the Swiss National Science Foundation --
-- grant #7SUPJ048247, "Development of ASIS for GNAT with industry quality" --
-- --
-- ASIStant is distributed as a part of the ASIS implementation for GNAT --
-- (ASIS-for-GNAT) and is maintained by Ada Core Technologies Inc --
-- (http ://www.gnat.com). --
------------------------------------------------------------------------------
with Ada.Characters.Handling; use Ada.Characters.Handling;
with ASIStant.Common; use ASIStant.Common;
package body ASIStant.String_Handling is
--------------
-- Word_End --
--------------
function Word_End (Str : Wide_String; ID : Boolean := False)
return Integer is
P : Integer := Str'Last;
begin
for i in Str'First .. Str'Last loop
if ID and
(Str (i) in 'A' .. 'Z' or
Str (i) in 'a' .. 'z' or
Str (i) = '_' or
Str (i) in '0' .. '9')
then
P := i;
else
exit;
end if;
if Str (i) /= ' ' then
P := i;
else
exit;
end if;
end loop;
return P;
end Word_End;
--------------
-- Skip_Spc --
--------------
function Skip_Spc (Str : Wide_String) return Integer is
begin
for i in Str'First .. Str'Last loop
if Str (i) /= ' ' then
return i;
end if;
end loop;
return Str'Last;
end Skip_Spc;
-----------------
-- Skip_Symbol --
-----------------
function Skip_Symbol (Str : Wide_String; C : Wide_Character)
return Integer is
P : Integer;
begin
P := Skip_Spc (Str);
if P > 0 and then Str (P) = C then
P := P + 1;
else
P := 0;
end if;
return P;
end Skip_Symbol;
-----------------
-- Skip_Prefix --
-----------------
function Skip_Prefix (S : Wide_String; N : Natural := 4)
return Wide_String is
begin
return S (N + 1 .. S'Last);
end Skip_Prefix;
function Find_Symbol (Str : Wide_String; C : Wide_Character)
return Integer is
P : Integer := Str'First;
begin
while P <= Str'Last loop
if Str (P) = C then
return P;
else
P := P + 1;
end if;
end loop;
return 0;
end Find_Symbol;
------------------
-- Read_Integer --
------------------
procedure Read_Integer (S : Wide_String; Val, New1st : out Integer) is
begin
New1st := S'First;
Val := 0;
while S (New1st) in '0' .. '9' loop
Val := Val * 10 +
Wide_Character'Pos (S (New1st)) - Wide_Character'Pos ('0');
New1st := New1st + 1;
exit when New1st > S'Last;
end loop;
end Read_Integer;
--------------
-- To_Upper --
--------------
procedure To_Upper (S : in out Wide_String) is
I : Natural := S'First;
begin
loop
exit when I > S'Last;
if S (I) in 'a' .. 'z' then
S (I) := To_Wide_Character (To_Upper (To_Character (S (I))));
elsif S (I) = '"' then
I := Find_Symbol (S (I + 1 .. S'Last), '"');
if I = 0 then
Error (ERR_BADSTRING);
end if;
I := I + 1;
end if;
I := I + 1;
end loop;
end To_Upper;
---------------
-- To_Proper --
---------------
procedure To_Proper (S : in out Wide_String) is
Next_To_Upper : Boolean := True;
begin
for I in S'Range loop
if S (I) = '_' then
Next_To_Upper := True;
elsif Next_To_Upper and then
S (I) in 'a' .. 'z' then
S (I) := To_Wide_Character (To_Upper (To_Character (S (I))));
Next_To_Upper := False;
elsif not Next_To_Upper and then
S (I) in 'A' .. 'Z' then
S (I) := To_Wide_Character (To_Lower (To_Character (S (I))));
else
Next_To_Upper := False;
end if;
end loop;
end To_Proper;
---------------
-- To_Proper --
---------------
function To_Proper (S : Wide_String) return Wide_String is
SS : Wide_String := S;
begin
To_Proper (SS);
return SS;
end To_Proper;
end ASIStant.String_Handling;
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