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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [s-wchstw.ads] - Rev 859
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------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . W C H _ S T W -- -- -- -- S p e c -- -- -- -- 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. -- -- -- ------------------------------------------------------------------------------ -- This package contains the routine used to convert strings to wide (wide) -- strings for use by wide (wide) image attribute. with System.WCh_Con; package System.WCh_StW is pragma Pure; procedure String_To_Wide_String (S : String; R : out Wide_String; L : out Natural; EM : System.WCh_Con.WC_Encoding_Method); -- This routine simply takes its argument and converts it to wide string -- format, storing the result in R (1 .. L), with L being set appropriately -- on return. The caller guarantees that R is long enough to accommodate -- the result. This is used in the context of the Wide_Image attribute, -- where the argument is the corresponding 'Image attribute. Any wide -- character escape sequences in the string are converted to the -- corresponding wide character value. No syntax checks are made, it is -- assumed that any such sequences are validly formed (this must be assured -- by the caller), and results from the fact that Wide_Image is only used -- on strings that have been built by the compiler, such as images of -- enumeration literals. If the method for encoding is a shift-in, -- shift-out convention, then it is assumed that normal (non-wide -- character) mode holds at the start and end of the argument string. EM -- indicates the wide character encoding method. -- Note: in the WCEM_Brackets case, the brackets escape sequence is used -- only for codes greater than 16#FF#. procedure String_To_Wide_Wide_String (S : String; R : out Wide_Wide_String; L : out Natural; EM : System.WCh_Con.WC_Encoding_Method); -- Same function with Wide_Wide_String output end System.WCh_StW;
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