proto2cpp Wiki Doxygen filter for Google Protocol Buffers files Proto2cpp is a Python script intended to be used as a Doxygen filter for Google Protocol Buffers files (.proto). The script is released under GNU Lesser General Public License version 2.1. How to enable this filter in Doxygen: Generate Doxygen configuration file with command doxygen -g <filename> e.g. doxygen -g doxyfile In the Doxyge