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- #include "stlexam.h"
- #pragma hdrstop
- /***************************************************************************
- *
- * istringstream.cpp - basic_istringstream example
- * 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<iostream>
- #include<sstream>
- #include<string>
- #include<iomanip>
-
- int main ( )
- {
- #ifndef _RWSTD_NO_NAMESPACE
- using namespace std;
- #endif
-
- long l= 20;
-
- #ifndef _RWSTD_NO_WIDE_CHAR
- wchar_t *ntbs=L"Il avait l'air heureux";
- wchar_t c;
- wchar_t buf[50];
-
- // create a read/write string-stream object on wide char
- // and attach it to an wistringstream object
- wistringstream in(ios_base::in | ios_base::out);
-
- // tie the ostream object to the wistringstream object
- wostream out(in.rdbuf());
-
- // output ntbs in out
- out << ntbs;
-
- // output each word on a separate line
- while ( in.get(c) )
- {
- if ( wistringstream::traits_type::eq(c,L' ') )
- wcout << endl;
- else
- wcout << c;
- }
- wcout << endl << endl;
-
- // move back the input sequence to the beginning
- in.seekg(0);
-
- // clear the state flags
- in.clear();
-
- // does the same thing as the previous code
- // output each word on a separate line
- while ( in >> buf )
- wcout << buf << endl;
-
- wcout << endl << endl;
- #endif
-
- // create a tiny string object
- string test_string("Il dormait pour l'eternite");
-
- // create a read/write string-stream object on char
- // and attach it to an istringstream object
- istringstream in_bis(ios_base:: in | ios_base::out |
- ios_base::app );
-
- // create an ostream object
- ostream out_bis(in_bis.rdbuf());
-
- // initialize the string-buffer with test_string
- in_bis.str(test_string);
-
- out_bis << endl;
-
- // output the base info before each integer
- out_bis << showbase;
-
- ostream::pos_type pos= out_bis.tellp();
-
- // output l in hex with a field with of 20
- out_bis << hex << setw(20) << l << endl;
-
- // output l in oct with a field with of 20
- out_bis << oct << setw(20) << l << endl;
-
- // output l in dec with a field with of 20
- out_bis << dec << setw(20) << l << endl;
-
- // output the all buffer
- cout << in_bis.rdbuf();
-
- // seek the input sequence to pos
- in_bis.seekg(pos);
-
- int a,b,d;
-
- in_bis.unsetf(ios_base::basefield);
-
- // read the previous outputted integer
- in_bis >> a >> b >> d;
-
- // output 3 times 20
- cout << a << endl << b << endl << d << endl;
-
- return 0;
- }
-
-
-
-