Output Formats xml and so forth

Hay all I’m just wondering whats a good standard to output formats I’m writing new tools for every body
to use I need a good stander format for output 3D map and node’s I will be outputting a class so you just add it as a header and thats your scene done. I will be adopting Tilemap XML format witch I love by the way. but whats common simple to output that so cocos understand other than spitting out the code which I will be doing no more trying to find a map editor you will just include the cpp and h. Im hoping the tool will help you to create too.