HTML Sanitization in C++

Question

Is there any available C++ (or maybe C) function/class/library with only purpose to sanitize a string that might contain HTML?

I find a lot of source code for sanitizing in C# or other languages more used in web application but nothing in C++.

I'll try to implement my own function if I don't find any available but I think an heavily tested solution would be far better.

edit> Some more precisions on my needs :

I'm getting text input from keyboard in my C++ application. Then I need to sanitize it before using it as a parameter in a javascript function call. That javascript run in a loaded html page that is automatically rendered (via Chromium) in a texture that I display via a library (Navi). So, the javascript function I use will simply take the given text, put P tag around the text and inject it in a div like this :

text_display.innerHTML += text_to_add;

I need to sanitize the text before sending it to the web page, be it for this function or another. It just have to be sanitized before input in Chromium.

Answer 1

HTML Tidy is written in c, but there are bindings for practically every language/platform, including c++.

Answer 2

You could use libxml2's xmlEncodeSpecialChars.