/*************************************************************************** * * stringbuf.cpp - basic_stringbuf example. * * $Id: stringbuf.cpp 550991 2007-06-26 23:58:07Z sebor $ * *************************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you 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. * * Copyright 1994-2006 Rogue Wave Software. * **************************************************************************/ #include // for cout, endl #include // for istringstream, ostringstream #include // for string #include int main () { // create a read/write string-stream object on tiny char // and attach it to an ostringstream object std::ostringstream out_1 (std::ios::in | std::ios::out); // tie the istream object to the ostringstream object std::istream in_1 (out_1.rdbuf ()); // output to out_1 out_1 << "Here is the first ouput"; // create a string object on tiny char std::string string_ex = "L'heure est grave!"; // open a read only stringstream object and initialize it std::istringstream in_2 (string_ex); // output in_1 to the standard output std::cout << in_1.rdbuf () << std::endl; // reposition in_1 at the beginning in_1.seekg (0); // output in_2 to the standard output std::cout << in_2.rdbuf () << std::endl; // reposition in_2 at the beginning in_2.seekg (0); // get the current put position (equivalent to out_1.tellp ()) std::stringbuf::pos_type pos = out_1.rdbuf ()->pubseekoff (0, std::ios::cur, std::ios::out); // append the content of the stringbuf pointed to by in_2 // to the one pointed at by out_1 out_1 << ' ' << in_2.rdbuf (); // output in_1 to the standard output std::cout << in_1.rdbuf () << std::endl; // position the get sequence (equivalent to in_1.seekg (pos)) in_1.rdbuf ()->pubseekpos (pos, std::ios::in); // output "L'heure est grave!" std::cout << in_1.rdbuf () << std::endl; return 0; }