85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/***************************************************************************
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*
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* stringbuf.cpp - basic_stringbuf example.
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*
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* $Id: stringbuf.cpp 550991 2007-06-26 23:58:07Z sebor $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2006 Rogue Wave Software.
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*
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**************************************************************************/
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#include <iostream> // for cout, endl
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#include <sstream> // for istringstream, ostringstream
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#include <string> // for string
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#include <examples.h>
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int main ()
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{
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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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std::ostringstream out_1 (std::ios::in | std::ios::out);
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// tie the istream object to the ostringstream object
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std::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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std::string string_ex = "L'heure est grave!";
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// open a read only stringstream object and initialize it
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std::istringstream in_2 (string_ex);
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// output in_1 to the standard output
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std::cout << in_1.rdbuf () << std::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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std::cout << in_2.rdbuf () << std::endl;
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// reposition in_2 at the beginning
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in_2.seekg (0);
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// get the current put position (equivalent to out_1.tellp ())
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std::stringbuf::pos_type pos =
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out_1.rdbuf ()->pubseekoff (0, std::ios::cur, std::ios::out);
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// append the content of the stringbuf pointed to by in_2
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// to the one 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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std::cout << in_1.rdbuf () << std::endl;
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// position the get sequence (equivalent to in_1.seekg (pos))
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in_1.rdbuf ()->pubseekpos (pos, std::ios::in);
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// output "L'heure est grave!"
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std::cout << in_1.rdbuf () << std::endl;
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return 0;
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}
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