| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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; |
