Astyle Eclipse is based on Astyle program, it aims to provide a C/C++ formatter for CDT plugin in eclipse. so all the supported format optional shall check astyle
The application is available as a plugin for Eclipse 3.2.
the webpage style is copied from Eclipse SQL Exployer
the Astyle Eclipse plugin and extract the zip file in your eclipse directory.
After restarting eclipse with the -clean option, select Astyle Plugin in C/C++ format.
Eclipse Update Site
You can install and update Astyle Eclipse via the eclipse update mechanism. The update site for Astyle Eclipse is http://astyleclipse.sourceforge.net/update, (support eclipse3.2+)
For more information.
Recommend the tutorial