projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 4c2d6a70 AC |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3 | -- GNAT LIBRARY COMPONENTS -- | |
| 4 | -- -- | |
| 5 | -- ADA.STRINGS.LESS_CASE_INSENSITIVE -- | |
| 6 | -- -- | |
| 7 | -- B o d y -- | |
| 8 | -- -- | |
| 4b490c1e | 9 | -- Copyright (C) 2004-2020, Free Software Foundation, Inc. -- |
| 4c2d6a70 AC |
10 | -- -- |
| 11 | -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 12 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 748086b7 | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| 4c2d6a70 AC |
14 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| 15 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 748086b7 JJ |
16 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| 17 | -- -- | |
| 18 | -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 19 | -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 20 | -- version 3.1, as published by the Free Software Foundation. -- | |
| 21 | -- -- | |
| 22 | -- You should have received a copy of the GNU General Public License and -- | |
| 23 | -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 24 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 25 | -- <http://www.gnu.org/licenses/>. -- | |
| 4c2d6a70 AC |
26 | -- -- |
| 27 | -- This unit was originally developed by Matthew J Heaney. -- | |
| 28 | ------------------------------------------------------------------------------ | |
| 29 | ||
| 9de61fcb | 30 | with Ada.Characters.Handling; use Ada.Characters.Handling; |
| 4c2d6a70 AC |
31 | |
| 32 | function Ada.Strings.Less_Case_Insensitive | |
| 33 | (Left, Right : String) return Boolean | |
| 34 | is | |
| 35 | LI : Integer := Left'First; | |
| 36 | RI : Integer := Right'First; | |
| 37 | ||
| 38 | LC, RC : Character; | |
| 39 | ||
| 40 | begin | |
| 41 | if LI > Left'Last then | |
| 42 | return RI <= Right'Last; | |
| 43 | end if; | |
| 44 | ||
| 45 | if RI > Right'Last then | |
| 46 | return False; | |
| 47 | end if; | |
| 48 | ||
| 49 | loop | |
| 50 | LC := To_Lower (Left (LI)); | |
| 51 | RC := To_Lower (Right (RI)); | |
| 52 | ||
| 53 | if LC < RC then | |
| 54 | return True; | |
| 55 | end if; | |
| 56 | ||
| 57 | if LC > RC then | |
| 58 | return False; | |
| 59 | end if; | |
| 60 | ||
| 61 | if LI = Left'Last then | |
| 62 | return RI < Right'Last; | |
| 63 | end if; | |
| 64 | ||
| 65 | if RI = Right'Last then | |
| 66 | return False; | |
| 67 | end if; | |
| 68 | ||
| 69 | LI := LI + 1; | |
| 70 | RI := RI + 1; | |
| 71 | end loop; | |
| 72 | end Ada.Strings.Less_Case_Insensitive; |