examples/manual/messages.cpp

/**************************************************************************
 *
 * messages.cpp - Example program for the messages facet. 
 *
 * $Id$
 *
 ***************************************************************************
 *
 * Licensed to the Apache Software  Foundation (ASF) under one or more
 * contributor  license agreements.  See  the NOTICE  file distributed
 * with  this  work  for  additional information  regarding  copyright
 * ownership.   The ASF  licenses this  file to  you under  the Apache
 * License, Version  2.0 (the  "License"); you may  not use  this file
 * except in  compliance with the License.   You may obtain  a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the  License is distributed on an  "AS IS" BASIS,
 * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
 * implied.   See  the License  for  the  specific language  governing
 * permissions and limitations under the License.
 *
 * Copyright 1994-2006 Rogue Wave Software.
 * 
 **************************************************************************/

#include <string>     // for string
#include <locale>     // for locale, use_facet, messages
#include <iostream>   // for cerr, cout, endl

#include <rwstdmessages.h>
#include <examples.h>

#ifndef _WIN32
#  define CAT_NAME   "./rwstdmessages.cat"
#else
#  define CAT_NAME   "rwstdmessages.dll"
#endif


int main ()
{
    std::locale loc;

    // Get a reference to the messages<char> facet
    const std::messages<char>& msgs =
        std::use_facet <std::messages<char> >(loc);

    // Open a catalog and try to grab
    // both some valid messages, and an invalid message
    const std::string def  = "Message Not Found";

    std::messages<char>::catalog cat = msgs.open (CAT_NAME, loc);

    if (cat != std::messages<char>::catalog (-1)) {
        std::cout << msgs.get (cat, 1, _RW_MSG_HELLO, def)   << '\n'
                  << msgs.get (cat, 1, _RW_MSG_GOODBYE, def) << '\n'
                  << msgs.get (cat, 1, _RW_MSG_NOGOOD, def)  << '\n'
                  << msgs.get (cat, 2, _RW_MSG_TREES, def)   << '\n';

        msgs.close (cat);
    }
    else
        std::cerr << "Unable to open message catalog" << std::endl;

    return 0;
}