examples/manual/ctype.cpp

/**************************************************************************
 *
 * ctype.cpp - Example program of ctype facet. 
 *
 * $Id: //stdlib/dev/examples/stdlib/manual/ctype.cpp#12 $
 *
 ***************************************************************************
 *
 * Copyright (c) 1994-2005 Quovadx,  Inc., acting through its  Rogue Wave
 * Software division. Licensed 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.
 * 
 **************************************************************************/
 
#include <iostream>   // for cout, endl
#include <locale>     // for ctype

#include <examples.h>

int main ()
{
    std::locale loc;
    char s [] = "blues Power";

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

    // Check the classification of the 'a' character.
    std::cout << ct.is (std::ctype_base::alpha, 'a') << std::endl;
    std::cout << ct.is (std::ctype_base::punct, 'a') << std::endl;

    // Scan for the first upper case character.
    std::cout << *ct.scan_is (std::ctype_base::upper,
                              s, s + sizeof s / sizeof *s)
              << std::endl;

    // Convert characters to upper case.
    ct.toupper (s, s + sizeof s / sizeof *s);
    std::cout << s << std::endl;
  
    return 0;
}