| /*************************************************************************** |
| * |
| * stringbuf.cpp - basic_stringbuf example. |
| * |
| * $Id: //stdlib/dev/examples/stdlib/manual/stringbuf.cpp#10 $ |
| * |
| *************************************************************************** |
| * |
| * Copyright (c) 1994-2005 Quovadx, Inc., acting through its Rogue Wave |
| * Software division. Licensed 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. |
| * |
| **************************************************************************/ |
| |
| #include <iostream> // for cout, endl |
| #include <sstream> // for istringstream, ostringstream |
| #include <string> // for string |
| |
| #include <examples.h> |
| |
| |
| 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; |
| } |