| /************************************************************************** |
| * |
| * numget.cpp - Example program for the numget facet. |
| * |
| * $Id$ |
| * |
| *************************************************************************** |
| * |
| * 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 <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; |
| |
| // Get a num_get facet |
| const std::num_get<char, Iter> &ng = |
| std::use_facet<std::num_get<char, Iter> >(std::locale ()); |
| |
| #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); |
| } |
| #endif |
| |
| 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; |
| } |