50 lines
1.6 KiB
Ruby
50 lines
1.6 KiB
Ruby
class Pry
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module Helpers
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module OptionsHelpers
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module_function
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# Use Slop to parse the arguments given.
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#
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# @param [Array] mutable list of arguments
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# @param [Hash] predefined option types
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# @param [&Block] used to add custom arguments.
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#
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# @return Slop::Options
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#
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# @option [Boolean] :method_object
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# Set to true if you want to get a method object from the user.
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#
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def parse_options!(args, predefined={}, &block)
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Slop.parse!(args) do |opt|
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add_method_object_options(opt) if predefined[:method_object]
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yield opt
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opt.on :h, :help, "This message" do
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output.puts opt
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end
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end.tap do |opts|
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process_method_object_options(args, opts) if predefined[:method_object]
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end
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end
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# Add the method object options to an unused Slop instance.
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def add_method_object_options(opt)
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@method_target = target
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opt.on :M, "instance-methods", "Operate on instance methods."
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opt.on :m, :methods, "Operate on methods."
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opt.on :c, :context, "Select object context to run under.", true do |context|
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@method_target = Pry.binding_for(target.eval(context))
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end
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end
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# Add the derived :method_object option to a used Slop instance.
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def process_method_object_options(args, opts)
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opts[:instance] = opts['instance-methods'] if opts.m?
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method_obj = get_method_or_raise(args.empty? ? nil : args.join(" "), @method_target, opts.to_hash(true))
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opts.on(:method_object, :default => method_obj)
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end
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end
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end
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end
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