+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS --
--- --
--- S Y S T E M . S T R I N G _ O P S --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.2 $
--- --
--- Copyright (C) 1992-1998 Free Software Foundation, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- 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. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-package body System.String_Ops is
-
- ----------------
- -- Str_Concat --
- ----------------
-
- function Str_Concat (X, Y : String) return String is
- begin
- if X'Length <= 0 then
- return Y;
-
- else
- declare
- L : constant Natural := X'Length + Y'Length;
- R : String (X'First .. X'First + L - 1);
-
- begin
- R (X'Range) := X;
- R (X'First + X'Length .. R'Last) := Y;
- return R;
- end;
- end if;
- end Str_Concat;
-
- -------------------
- -- Str_Concat_CC --
- -------------------
-
- function Str_Concat_CC (X, Y : Character) return String is
- R : String (1 .. 2);
-
- begin
- R (1) := X;
- R (2) := Y;
- return R;
- end Str_Concat_CC;
-
- -------------------
- -- Str_Concat_CS --
- -------------------
-
- function Str_Concat_CS (X : Character; Y : String) return String is
- R : String (1 .. Y'Length + 1);
-
- begin
- R (1) := X;
- R (2 .. R'Last) := Y;
- return R;
- end Str_Concat_CS;
-
- -------------------
- -- Str_Concat_SC --
- -------------------
-
- function Str_Concat_SC (X : String; Y : Character) return String is
- begin
- if X'Length <= 0 then
- return (1 => Y);
-
- else
- declare
- R : String (X'First .. X'Last + 1);
-
- begin
- R (X'Range) := X;
- R (R'Last) := Y;
- return R;
- end;
- end if;
- end Str_Concat_SC;
-
- ---------------
- -- Str_Equal --
- ---------------
-
- function Str_Equal (A, B : String) return Boolean is
- begin
- if A'Length /= B'Length then
- return False;
-
- else
- for J in A'Range loop
- if A (J) /= B (J + (B'First - A'First)) then
- return False;
- end if;
- end loop;
-
- return True;
- end if;
- end Str_Equal;
-
- -------------------
- -- Str_Normalize --
- -------------------
-
- procedure Str_Normalize (A : in out String) is
- begin
- for J in A'Range loop
- A (J) := Character'Last;
- end loop;
- end Str_Normalize;
-
- ------------------------
- -- Wide_Str_Normalize --
- ------------------------
-
- procedure Wide_Str_Normalize (A : in out Wide_String) is
- begin
- for J in A'Range loop
- A (J) := Wide_Character'Last;
- end loop;
- end Wide_Str_Normalize;
-
-end System.String_Ops;
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