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* numget.cpp - Example program for the numget 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* implied. See the License for the specific language governing
* permissions and limitations under the License.
* Copyright 1994-2006 Rogue Wave Software.
#include <iostream> // for cout, endl
#include <sstream> // for istringstream
#include <string> // for string
int main ()
typedef std::istreambuf_iterator<char, std::char_traits<char> > Iter;
std::ios::iostate state;
Iter end;
bool bval = false;
long lval = 0L;
long double ldval = 0.0;
const std::locale loc;
// Get a num_get facet
const std::num_get<char, Iter> &ng =
std::use_facet<std::num_get<char, Iter> >(loc);
#ifndef _RWSTD_NO_BOOL
// Build an istringstream from the buffer and construct
// beginning and ending iterators on it.
std::istringstream ins ("true");
Iter begin (ins);
// Set stream flags to recognize boolalpha input.
ins.setf (std::ios::boolalpha);
// Get the boolean value from the stream.
ng.get (begin, end, ins, state, bval);
std::cout << bval << std::endl;
// Get the date
std::istringstream ins ("2422235");
Iter begin (ins);
ng.get (begin, end, ins, state, lval);
std::cout << lval << std::endl;
// Get the weekday
std::istringstream ins ("32324342.98908");
Iter begin (ins);
ng.get (begin, end, ins, state, ldval);
std::cout.setf (std::ios::fixed, std::ios::floatfield);
std::cout << ldval << std::endl;
return 0;