C++ html pre-DOM filter

Program in c++ to work in windows xp and windows 7 1. parse incoming html; 2. find, in the html, words that match (comparing to a database) and count # of matches; 3. find specific blocks in the html pre-DOM (compared to a list from database) 4. substitute those blocks with specific content from database. it will work as a filter / cleaner that parses incoming html, comparing it to strings in a database, delivers statistics of what finds. At pre-DOM level, it will compare some objects, for example,<div id="objectionableContent">WHATEVER_CONTENT</div> and substitute theWHATEVER_CONTENT with some content from DATABASE (eg, THIS CONTENT HAS BEEN REMOVED) Must be fast and light. ## Deliverables I am looking for a partner in a project that is already working but to which I need to add some features. This task will work for us as an assessment to your capabilities