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module ::Af::OptionParser
class OptionCheck < InstanceVariableSetter
FACTORY_SETTABLES = [
:action,
:targets,
:error_message,
:block
]
attr_accessor *FACTORY_SETTABLES
attr_accessor :var_name
def initialize(var_name, parameters = {})
super(parameters)
@var_name = var_name
end
#-------------------------
# *** Instance Methods ***
#+++++++++++++++++++++++++
def set_instance_variables(parameters = {})
super(parameters, FACTORY_SETTABLES)
end
def merge(that_option)
super(that_option, FACTORY_SETTABLES)
end
# This methods validates the selected options based
# on the chosen action.
#
# Available actions: requires, excludes
#
# If an invalidation occurs, an OptionCheckError is raised
# with a specific message.
def validate
# If an option_check is used, the target_variable must be instantiated
if target_container.try(target_variable.to_sym).blank?
raise OptionCheckError.new("Option --#{target_variable} must be specified")
end
# If an option_check is used, an array of options must be given
if targets.empty?
raise OptionCheckError.new("An array of #{action.to_s[0..-2]}d options must be specified")
end
if action == :requires
# Each target option must be specified
targets.each do |target|
if target_container.try(target.to_sym).blank?
raise OptionCheckError.new("You must specify these options: --#{targets.join(', --')}")
end
end
elsif action == :excludes
# None of the target options can be specified
targets.each do |target|
if target_container.try(target.to_sym).present?
raise OptionCheckError.new("You cannot specify these options: --#{targets.join(', --')}")
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems