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# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2019 Eric Crane. All rights reserved.
#
# An abstract base verb.
# Derives from the Baseo object.
# It is a special type of object in that it can be run
# and can perform an action.
#
module Gloo
module Core
class Verb < Baseo
attr_reader :tokens, :params
#
# Set up the verb.
#
def initialize( tokens, params = [] )
@tokens = tokens
@params = params
end
#
# Register verbs when they are loaded.
#
def self.inherited( subclass )
Dictionary.instance.register_verb( subclass )
end
#
# Run the verb.
#
# We'll mark the application as not running and let the
# engine stop gracefully next time through the loop.
#
def run
raise 'this method should be overriden'
end
#
# Get the Verb's keyword.
#
# The keyword will be in lower case only.
# It is used by the parser.
#
def self.keyword
raise 'this method should be overriden'
end
#
# Get the Verb's keyword shortcut.
#
def self.keyword_shortcut
raise 'this method should be overriden'
end
#
# The object type, suitable for display.
#
def type_display
return self.class.keyword
end
#
# Generic function to get display value.
# Can be used for debugging, etc.
#
def display_value
return self.class.keyword
end
# ---------------------------------------------------------------------
# Help
# ---------------------------------------------------------------------
#
# Get help for this verb.
#
def self.help
return 'No help found.'
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems