Parse configuration files (Application hook).
This function do all the extension processing invoking all the extensions hooks.
If configuration file parsing fails, it exits with status code 3 and prints an appropriate error message.
Note: This is not done in processArgs() method because it can be used without being registered as a ArgumentsExt extension.
the application instance
command line arguments
See Implementation
Parse configuration files (Application hook).
This function do all the extension processing invoking all the extensions hooks.
If configuration file parsing fails, it exits with status code 3 and prints an appropriate error message.
Note: This is not done in processArgs() method because it can be used without being registered as a ArgumentsExt extension.