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└─⟦85b835f43⟧ Bits:30000549 8mm tape, Rational 1000, Xlib rev 6.00
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TextFile

with Xlbt_Arithmetic;  
use Xlbt_Arithmetic;

package body Xlbp_U_Char_Converters is
------------------------------------------------------------------------------
-- X Library Basic Converters
--
-- Xlbp_U_Char_Converters - Conversion to/from U_Char_Array.
------------------------------------------------------------------------------
-- Copyright 1990 - 1991 by Rational, Santa Clara, California.
--
--                  All Rights Reserved.
--
-- Permission to use, copy, modify, and distribute this software and its
-- documentation for any purpose and without fee is hereby granted,
-- provided that the above copyright notice(s) appear in all copies and that
-- both that copyright notice(s) and this permission notice appear in
-- supporting documentation, and that the name of Rational not be used in
-- advertising or publicity pertaining to distribution of the software
-- without specific, written prior permission.
--
-- Rational disclaims all warranties with regard to this software, including
-- all implied warranties of merchantability and fitness, in no event shall
-- Rational be liable for any special, indirect or consequential damages or
-- any damages whatsoever resulting from loss of use, data or profits, whether
-- in an action of contract, negligence or other tortious action, arising out
-- of or in connection with the use or performance of this software.
------------------------------------------------------------------------------

--\f

    procedure To_Uca (Uca : out U_Char_Array;  
                      Str :     String) is
------------------------------------------------------------------------------
-- Convert a normal 7-bit Ada string into an U_Char_Array.
------------------------------------------------------------------------------
        Str_Last : Integer := Str'Last;  
    begin  
        if Str'Length /= Uca'Length then  
            raise Constraint_Error;  
        else  
            for I in reverse Uca'Range loop  
                Uca (I)  := Character'Pos (Str (Str_Last));  
                Str_Last := Str_Last - 1;  
            end loop;  
        end if;  
    end To_Uca;

--\f

    procedure From_Uca (Str : out String;  
                        Uca :     U_Char_Array) is
------------------------------------------------------------------------------
-- Convert an U_Char_Array into a normal 7-bit string.  Chop each
-- character to 7 bits as we go.
------------------------------------------------------------------------------
        Uca_Last : S_Long := Uca'Last;  
    begin  
        if Str'Length /= Uca'Length then  
            raise Constraint_Error;  
        else  
            for I in reverse Str'Range loop  
                Str (I)  := Character'Val (Uca (Uca_Last) rem 128);  
                Uca_Last := Uca_Last - 1;  
            end loop;  
        end if;  
    end From_Uca;

--\f

    procedure From_Uca (Str   : out String;  
                        Uca   :     U_Char_Array;  
                        Trans :     U_Character_Array) is
------------------------------------------------------------------------------
-- Convert an U_Char_Array into a normal 7-bit string.  Translates
-- each U_Char in the Uca via the Trans array and returns that result.
------------------------------------------------------------------------------
        Uca_Last : S_Long := Uca'Last;  
    begin  
        if Str'Length /= Uca'Length then  
            raise Constraint_Error;  
        else  
            for I in reverse Str'Range loop  
                Str (I)  := Trans (Uca (Uca_Last));  
                Uca_Last := Uca_Last - 1;  
            end loop;  
        end if;  
    end From_Uca;

--\f

end Xlbp_U_Char_Converters;