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Versions: 8
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Stored size: 1.23 KB
Contents
require 'command_kit/main'
require 'command_kit/printing'
module CommandKit
#
# Adds exception handling and printing.
#
# ## Examples
#
# include CommandKit::Main
# include CommandKit::ExceptionHandler
#
# ### Custom Exception Handling
#
# include CommandKit::Main
# include CommandKit::ExceptionHandler
#
# def on_exception(error)
# print_error "error: #{error.message}"
# exit(1)
# end
#
module ExceptionHandler
include Printing
#
# Calls superclass'es `#main` method, but rescues any uncaught exceptions
# and passes them to {#on_exception}.
#
# @param [Array<String>] argv
# The given arguments Array.
#
# @return [Integer]
# The exit status of the command.
#
# @api public
#
def main(argv=[])
super(argv)
rescue Interrupt, Errno::EPIPE => error
raise(error)
rescue Exception => error
on_exception(error)
end
#
# Default method for handling when an exception is raised by `#main`.
#
# @param [Exception] error
# The raised exception.
#
# @api semipublic
#
def on_exception(error)
print_exception(error)
exit(1)
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems