diff options
Diffstat (limited to 'gcc-4.4.3/gcc/ada/s-wchcon.adb')
| -rwxr-xr-x | gcc-4.4.3/gcc/ada/s-wchcon.adb | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ada/s-wchcon.adb b/gcc-4.4.3/gcc/ada/s-wchcon.adb new file mode 100755 index 000000000..57fb73d3e --- /dev/null +++ b/gcc-4.4.3/gcc/ada/s-wchcon.adb @@ -0,0 +1,86 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S Y S T E M . W C H _ C O N -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2005-2009, 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 3, 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. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +pragma Warnings (Off); +pragma Compiler_Unit; +pragma Warnings (On); + +package body System.WCh_Con is + + ---------------------------- + -- Get_WC_Encoding_Method -- + ---------------------------- + + function Get_WC_Encoding_Method (C : Character) return WC_Encoding_Method is + begin + for Method in WC_Encoding_Method loop + if C = WC_Encoding_Letters (Method) then + return Method; + end if; + end loop; + + raise Constraint_Error; + end Get_WC_Encoding_Method; + + function Get_WC_Encoding_Method (S : String) return WC_Encoding_Method is + begin + if S = "hex" then + return WCEM_Hex; + elsif S = "upper" then + return WCEM_Upper; + elsif S = "shift_jis" then + return WCEM_Shift_JIS; + elsif S = "euc" then + return WCEM_EUC; + elsif S = "utf8" then + return WCEM_UTF8; + elsif S = "brackets" then + return WCEM_Brackets; + else + raise Constraint_Error; + end if; + end Get_WC_Encoding_Method; + + -------------------------- + -- Is_Start_Of_Encoding -- + -------------------------- + + function Is_Start_Of_Encoding + (C : Character; + EM : WC_Encoding_Method) return Boolean + is + begin + return (EM in WC_Upper_Half_Encoding_Method + and then Character'Pos (C) >= 16#80#) + or else (EM in WC_ESC_Encoding_Method and then C = ASCII.ESC); + end Is_Start_Of_Encoding; + +end System.WCh_Con; |