module Clamp::Subcommand::Declaration
Public Instance Methods
default_subcommand(*args, &block)
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# File lib/clamp/subcommand/declaration.rb, line 63 def default_subcommand(*args, &block) if args.empty? @default_subcommand else $stderr.puts "WARNING: Clamp default_subcommand syntax has changed; check the README." $stderr.puts " (from #{caller.first})" self.default_subcommand = args.first subcommand(*args, &block) end end
default_subcommand=(name)
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# File lib/clamp/subcommand/declaration.rb, line 56 def default_subcommand=(name) if has_subcommands? raise Clamp::DeclarationError, "default_subcommand must be defined before subcommands" end @default_subcommand = name end
find_subcommand(name)
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# File lib/clamp/subcommand/declaration.rb, line 34 def find_subcommand(name) recognised_subcommands.find { |sc| sc.is_called?(name) } end
find_subcommand_class(*names)
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# File lib/clamp/subcommand/declaration.rb, line 38 def find_subcommand_class(*names) names.inject(self) do |command_class, name| if command_class if subcommand = command_class.find_subcommand(name) subcommand.subcommand_class end end end end
has_subcommands?()
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# File lib/clamp/subcommand/declaration.rb, line 30 def has_subcommands? !recognised_subcommands.empty? end
inheritable_attributes()
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# File lib/clamp/subcommand/declaration.rb, line 52 def inheritable_attributes recognised_options + parameters_before_subcommand end
parameters_before_subcommand()
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# File lib/clamp/subcommand/declaration.rb, line 48 def parameters_before_subcommand parameters.take_while { |p| p != @subcommand_parameter } end
recognised_subcommands()
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# File lib/clamp/subcommand/declaration.rb, line 9 def recognised_subcommands @recognised_subcommands ||= [] end
subcommand(name, description, subcommand_class = self, &block)
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# File lib/clamp/subcommand/declaration.rb, line 13 def subcommand(name, description, subcommand_class = self, &block) unless has_subcommands? @subcommand_parameter = if @default_subcommand parameter "[SUBCOMMAND]", "subcommand", :attribute_name => :subcommand_name, :default => @default_subcommand else parameter "SUBCOMMAND", "subcommand", :attribute_name => :subcommand_name, :required => false end remove_method :default_subcommand_name parameter "[ARG] ...", "subcommand arguments", :attribute_name => :subcommand_arguments end if block # generate a anonymous sub-class subcommand_class = Class.new(subcommand_class, &block) end recognised_subcommands << Subcommand::Definition.new(name, description, subcommand_class) end