module Clamp::Option::Declaration
Option
declaration methods.
Public Instance Methods
declared_options()
click to toggle source
# File lib/clamp/option/declaration.rb, line 27 def declared_options @declared_options ||= [] end
find_option(switch)
click to toggle source
# File lib/clamp/option/declaration.rb, line 23 def find_option(switch) recognised_options.find { |o| o.handles?(switch) } end
option(switches, type, description, opts = {}, &block)
click to toggle source
# File lib/clamp/option/declaration.rb, line 15 def option(switches, type, description, opts = {}, &block) Option::Definition.new(switches, type, description, opts).tap do |option| block ||= option.default_conversion_block define_accessors_for(option, &block) declared_options << option end end
recognised_options()
click to toggle source
# File lib/clamp/option/declaration.rb, line 31 def recognised_options unless @implicit_options_declared ||= false declare_implicit_help_option @implicit_options_declared = true end effective_options end
Private Instance Methods
declare_implicit_help_option()
click to toggle source
# File lib/clamp/option/declaration.rb, line 41 def declare_implicit_help_option return false if effective_options.find { |o| o.handles?("--help") } help_switches = ["--help"] help_switches.unshift("-h") unless effective_options.find { |o| o.handles?("-h") } option help_switches, :flag, "print help" do request_help end end
effective_options()
click to toggle source
# File lib/clamp/option/declaration.rb, line 50 def effective_options ancestors.inject([]) do |options, ancestor| options + options_declared_on(ancestor) end end
options_declared_on(ancestor)
click to toggle source
# File lib/clamp/option/declaration.rb, line 56 def options_declared_on(ancestor) return [] unless ancestor.is_a?(Clamp::Option::Declaration) ancestor.declared_options end