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110 | ------------------------------------------------------------------------------
-- --
-- Matreshka Project --
-- --
-- Localization, Internationalization, Globalization for Ada --
-- --
-- Examples Component --
-- --
------------------------------------------------------------------------------
-- --
-- Copyright © 2010, Vadim Godunko <vgodunko@gmail.com> --
-- All rights reserved. --
-- --
-- Redistribution and use in source and binary forms, with or without --
-- modification, are permitted provided that the following conditions --
-- are met: --
-- --
-- * Redistributions of source code must retain the above copyright --
-- notice, this list of conditions and the following disclaimer. --
-- --
-- * Redistributions in binary form must reproduce the above copyright --
-- notice, this list of conditions and the following disclaimer in the --
-- documentation and/or other materials provided with the distribution. --
-- --
-- * Neither the name of the Vadim Godunko, IE nor the names of its --
-- contributors may be used to endorse or promote products derived from --
-- this software without specific prior written permission. --
-- --
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS --
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT --
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR --
-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT --
-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, --
-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED --
-- TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR --
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF --
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING --
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS --
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. --
-- --
------------------------------------------------------------------------------
-- $Revision: 1053 $ $Date: 2010-09-15 10:10:18 +0400 (Ср, 15 сен 2010) $
------------------------------------------------------------------------------
-- Read raw data from the file specified by the first argument in command
-- line and decode it from the encoding specified by the second argument
-- in the command line. Creates file specified by the third argument in
-- command line and write data in the encoding specified by the forth
-- argument.
with Ada.Command_Line;
with Ada.Characters.Conversions;
with Ada.Streams.Stream_IO;
with Ada.Wide_Wide_Text_IO;
with League.Strings;
with League.Text_Codecs;
procedure Text_Codecs is
File : Ada.Streams.Stream_IO.File_Type;
Data : Ada.Streams.Stream_Element_Array (0 .. 16383);
Last : Ada.Streams.Stream_Element_Offset;
String : League.Strings.Universal_String;
begin
Ada.Streams.Stream_IO.Open
(File, Ada.Streams.Stream_IO.In_File, Ada.Command_Line.Argument (1));
Ada.Streams.Stream_IO.Read (File, Data, Last);
Ada.Streams.Stream_IO.Close (File);
-- Decode text.
declare
Decoder : League.Text_Codecs.Text_Codec
:= League.Text_Codecs.Codec
(League.Strings.To_Universal_String
(Ada.Characters.Conversions.To_Wide_Wide_String
(Ada.Command_Line.Argument (2))));
begin
String := Decoder.Decode (Data (Data'First .. Last));
exception
when Constraint_Error =>
Ada.Wide_Wide_Text_IO.Put_Line ("Decoding error");
raise;
end;
-- Encode text.
declare
Encoder : League.Text_Codecs.Text_Codec
:= League.Text_Codecs.Codec
(League.Strings.To_Universal_String
(Ada.Characters.Conversions.To_Wide_Wide_String
(Ada.Command_Line.Argument (4))));
begin
Ada.Streams.Stream_IO.Create
(File, Ada.Streams.Stream_IO.Out_File, Ada.Command_Line.Argument (3));
Ada.Streams.Stream_IO.Write
(File, Encoder.Encode (String).To_Stream_Element_Array);
Ada.Streams.Stream_IO.Close (File);
exception
when Constraint_Error =>
Ada.Wide_Wide_Text_IO.Put_Line ("Encoding error");
raise;
end;
end Text_Codecs;
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