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CodeBlocksPortable/Borland/BCC55/Examples/StdLib/numget.cpp

98 lines
3.1 KiB
C++

#include "stlexam.h"
#pragma hdrstop
/**************************************************************************
*
* numget.cpp - Example program for the numget facet.
* See Class Reference Section
*
***************************************************************************
*
* (c) Copyright 1994, 1998 Rogue Wave Software, Inc.
* ALL RIGHTS RESERVED
*
* The software and information contained herein are proprietary to, and
* comprise valuable trade secrets of, Rogue Wave Software, Inc., which
* intends to preserve as trade secrets such software and information.
* This software is furnished pursuant to a written license agreement and
* may be used, copied, transmitted, and stored only in accordance with
* the terms of such license and with the inclusion of the above copyright
* notice. This software and information or any other copies thereof may
* not be provided or otherwise made available to any other person.
*
* Notwithstanding any other lease or license that may pertain to, or
* accompany the delivery of, this computer software and information, the
* rights of the Government regarding its use, reproduction and disclosure
* are as set forth in Section 52.227-19 of the FARS Computer
* Software-Restricted Rights clause.
*
* Use, duplication, or disclosure by the Government is subject to
* restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
* Technical Data and Computer Software clause at DFARS 252.227-7013.
* Contractor/Manufacturer is Rogue Wave Software, Inc.,
* P.O. Box 2328, Corvallis, Oregon 97339.
*
* This computer software and information is distributed with "restricted
* rights." Use, duplication or disclosure is subject to restrictions as
* set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
* Computer Software-Restricted Rights (April 1985)." If the Clause at
* 18-52.227-74 "Rights in Data General" is specified in the contract,
* then the "Alternate III" clause applies.
*
**************************************************************************/
#include <string>
#include <sstream>
int main ()
{
#ifndef _RWSTD_NO_NAMESPACE
using namespace std;
#endif
typedef istreambuf_iterator<char,char_traits<char> > iter_type;
locale loc;
ios_base::iostate state;
bool bval = false;
long lval = 0L;
long double ldval = 0.0;
iter_type end;
// Get a num_get facet
const num_get<char,iter_type>& tg =
#ifndef _RWSTD_NO_TEMPLATE_ON_RETURN_TYPE
use_facet<num_get<char,iter_type> >(loc);
#else
use_facet(loc,(num_get<char,iter_type>*)0);
#endif
#ifndef _RWSTD_NO_BOOL
{
// Build an istringstream from the buffer and construct
// beginning and ending iterators on it.
istringstream ins("true");
iter_type begin(ins);
// Get the time
tg.get(begin,end,ins,state,bval);
}
#endif
cout << bval << endl;
{
// Get the date
istringstream ins("2422235");
iter_type begin(ins);
tg.get(begin,end,ins,state,lval);
}
cout << lval << endl;
{
// Get the weekday
istringstream ins("32324342.98908");
iter_type begin(ins);
tg.get(begin,end,ins,state,ldval);
}
cout << ldval << endl;
return 0;
}