How can I derive my own stream from a standard stream?

Question

How can I derive my own stream from a standard stream?

In C# language, there is a Stream class, but C++\'s streams are too complex.

I want something like thi

Answer 1

Don't.

iostreams is an awful interface. It also lacks a lot of features and has awful performance.

• Are the C formatted I/O functions (printf, sprintf, etc) more popular than IOStream, and if so, why?
• What are the bad habits of C programmers starting to write C++?
• Should I use printf in my C++ code?
• Is it bad practice to use C features in C++?
• Partially truncating a stream (fstream or ofstream) in C++

Answer 2

I think there are three levels of answer to this question:

Level 1: It is complicated, especially if you are completely new to C++, stop right now. Only if you feel adventurous, continue to level 2.

Level 2: Use some library that makes creating streams easier. I would suggest using Boost.IOStreams library. It makes creating own streams and streambufs much easier. If you are still not satisfied, continue to level 3.

Level 3: You will have to derive from std::streambuf and modify its behaviour to suit your needs. Then you will have to plug your streambuf into own stream.

Answer 3

Could you please describe a little bit more what you own streamclass should do? Just asking how without what is not the best way to get a constructive answer.

Maybe you should have a look at boost::iostream, as there is a much simpler and safer way to write own iostream classes.