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Contents
require "argy"
require "pathname"
module Geny
# The top-level command file is evaulated in the context
# of this class.
class DSL
# @private
def initialize
@helpers = []
@invoke = proc { warn "I don't know what to do!" }
end
# Define arguments and options that the command accepts.
# The block is evaluated in the context of an {https://rubydoc.info/github/rzane/argy/Argy/Parser Argy::Parser}.
def parse(&block)
parser.instance_eval(&block)
end
# Define the behavior for when the command runs. The block is
# evaluated in the context of a {Context::Invoke}.
def invoke(&block)
@invoke = block if block_given?
@invoke
end
# Define helper methods. These methods are available within
# the {#invoke} block and all templates.
def helpers(*modules, &block)
@helpers += modules unless modules.empty?
@helpers << Module.new(&block) if block_given?
@helpers
end
# @private
def parser
@parser ||= Argy.new do |o|
o.on "-h", "--help", "show this help and exit" do
puts o.help
exit
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems