112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
#include "stlexam.h"
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#pragma hdrstop
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/***************************************************************************
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*
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* stringbuf.cpp - basic_stringbuf example. See Class Reference Section.
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*
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***************************************************************************
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*
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* (c) Copyright 1994, 1998 Rogue Wave Software, Inc.
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* ALL RIGHTS RESERVED
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*
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* The software and information contained herein are proprietary to, and
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* comprise valuable trade secrets of, Rogue Wave Software, Inc., which
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* intends to preserve as trade secrets such software and information.
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* This software is furnished pursuant to a written license agreement and
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* may be used, copied, transmitted, and stored only in accordance with
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* the terms of such license and with the inclusion of the above copyright
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* notice. This software and information or any other copies thereof may
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* not be provided or otherwise made available to any other person.
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*
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* Notwithstanding any other lease or license that may pertain to, or
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* accompany the delivery of, this computer software and information, the
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* rights of the Government regarding its use, reproduction and disclosure
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* are as set forth in Section 52.227-19 of the FARS Computer
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* Software-Restricted Rights clause.
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*
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
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* Technical Data and Computer Software clause at DFARS 252.227-7013.
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* Contractor/Manufacturer is Rogue Wave Software, Inc.,
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* P.O. Box 2328, Corvallis, Oregon 97339.
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*
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* This computer software and information is distributed with "restricted
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* rights." Use, duplication or disclosure is subject to restrictions as
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* set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
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* Computer Software-Restricted Rights (April 1985)." If the Clause at
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* 18-52.227-74 "Rights in Data General" is specified in the contract,
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* then the "Alternate III" clause applies.
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*
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**************************************************************************/
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#include<iostream>
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#include<sstream>
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#include<string>
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int main ( )
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{
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#ifndef _RWSTD_NO_NAMESPACE
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using namespace std;
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#endif
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// create a read/write string-stream object on tiny char
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// and attach it to an ostringstream object
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ostringstream out_1(ios_base::in | ios_base::out);
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// tie the istream object to the ostringstream object
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istream in_1(out_1.rdbuf());
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// output to out_1
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out_1 << "Here is the first ouput";
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// create a string object on tiny char
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string string_ex("l'heure est grave !");
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// open a read only string-stream object on tiny char
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// and initialize it
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istringstream in_2(string_ex);
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// output in_1 to the standard output
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cout << in_1.rdbuf() << endl;
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// reposition in_1 at the beginning
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in_1.seekg(0);
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// output in_2 to the standard output
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cout << in_2.rdbuf() << endl;
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// reposition in_2 at the beginning
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in_2.seekg(0);
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stringbuf::pos_type pos;
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// get the current put position
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// equivalent to
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// out_1.tellp();
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pos = out_1.rdbuf()->pubseekoff(0,ios_base::cur,
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ios_base::out);
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// append the content of stringbuffer
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// pointed at by in_2 to the one
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// pointed at by out_1
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out_1 << ' ' << in_2.rdbuf();
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// output in_1 to the standard output
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cout << in_1.rdbuf() << endl;
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// position the get sequence
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// equivalent to
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// in_1.seekg(pos);
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in_1.rdbuf()->pubseekpos(pos, ios_base::in);
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// output "l'heure est grave !"
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cout << in_1.rdbuf() << endl << endl;
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return 0;
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}
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