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module GLI
# Mixed into all exceptions that GLI handles; you can use this to catch
# anything that came from GLI intentionally. You can also mix this into non-GLI
# exceptions to get GLI's exit behavior.
module StandardException
def exit_code; 1; end
end
# Indicates that the command line invocation was bad
class BadCommandLine < StandardError
include StandardException
def exit_code; 64; end
end
# Indicates the bad command line was an unknown command
class UnknownCommand < BadCommandLine
end
# Indicates the bad command line was an unknown global argument
class UnknownGlobalArgument < BadCommandLine
end
# Indicates the bad command line was an unknown command argument
class UnknownCommandArgument < BadCommandLine
# The command for which the argument was unknown
attr_reader :command
# +message+:: the error message to show the user
# +command+:: the command we were using to parse command-specific options
def initialize(message,command)
super(message)
@command = command
end
end
# Raise this if you want to use an exit status that isn't the default
# provided by GLI. Note that GLI::App#exit_now! might be a bit more to your liking.
#
# Example:
#
# raise CustomExit.new("Not connected to DB",-5) unless connected?
# raise CustomExit.new("Bad SQL",-6) unless valid_sql?(args[0])
#
class CustomExit < StandardError
include StandardException
attr_reader :exit_code #:nodoc:
# Create a custom exit exception
#
# +message+:: String containing error message to show the user
# +exit_code+:: the exit code to use (as an Int), overridding GLI's default
def initialize(message,exit_code)
super(message)
@exit_code = exit_code
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems