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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc1/] [gcc/] [ada/] [s-wchwts.adb] - Rev 281
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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . W C H _ W T S -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2009, 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. -- -- -- ------------------------------------------------------------------------------ with System.WCh_Con; use System.WCh_Con; with System.WCh_Cnv; use System.WCh_Cnv; package body System.WCh_WtS is ----------------------- -- Local Subprograms -- ----------------------- procedure Store_UTF_32_Character (U : UTF_32_Code; S : out String; P : in out Integer; EM : WC_Encoding_Method); -- Stores the string representation of the wide or wide wide character -- whose code is given as U, starting at S (P + 1). P is incremented to -- point to the last character stored. Raises CE if character cannot be -- stored using the given encoding method. ---------------------------- -- Store_UTF_32_Character -- ---------------------------- procedure Store_UTF_32_Character (U : UTF_32_Code; S : out String; P : in out Integer; EM : WC_Encoding_Method) is procedure Out_Char (C : Character); pragma Inline (Out_Char); -- Procedure to increment P and store C at S (P) procedure Store_Chars is new UTF_32_To_Char_Sequence (Out_Char); -------------- -- Out_Char -- -------------- procedure Out_Char (C : Character) is begin P := P + 1; S (P) := C; end Out_Char; begin Store_Chars (U, EM); end Store_UTF_32_Character; --------------------------- -- Wide_String_To_String -- --------------------------- function Wide_String_To_String (S : Wide_String; EM : WC_Encoding_Method) return String is R : String (S'First .. S'First + 5 * S'Length); -- worst case length! RP : Natural; begin RP := R'First - 1; for SP in S'Range loop Store_UTF_32_Character (Wide_Character'Pos (S (SP)), R, RP, EM); end loop; return R (R'First .. RP); end Wide_String_To_String; -------------------------------- -- Wide_Wide_String_To_String -- -------------------------------- function Wide_Wide_String_To_String (S : Wide_Wide_String; EM : WC_Encoding_Method) return String is R : String (S'First .. S'First + 7 * S'Length); -- worst case length! RP : Natural; begin RP := R'First - 1; for SP in S'Range loop Store_UTF_32_Character (Wide_Wide_Character'Pos (S (SP)), R, RP, EM); end loop; return R (R'First .. RP); end Wide_Wide_String_To_String; end System.WCh_WtS;
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