Class: Pablo::Option

Inherits:
Parser show all
Includes:
Helpers
Defined in:
lib/pablo/option.rb

Instance Attribute Summary

Attributes inherited from Parser

#desc, #last_match, #longdesc, #names, #usage

Instance Method Summary collapse

Methods inherited from Parser

#klass_to_sym

Constructor Details

#initialize(*args, &block) ⇒ Option

Returns a new instance of Option.



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# File 'lib/pablo/option.rb', line 30

def initialize *args, &block
    super(*args, &block)
end

Instance Method Details

#names_to_rex ⇒ Object

Format an option’s names to be used in a Regexp



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# File 'lib/pablo/option.rb', line 68

def names_to_rex
    Regexp.new(@names.collect { |n| format(n) }.join('|'))
end

#names_to_user ⇒ Object

Format an option’s names to be displayed to the user.



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# File 'lib/pablo/option.rb', line 62

def names_to_user
    @names.collect { |n| format(n) }.join('|')
end

#parse(args) ⇒ Object 



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# File 'lib/pablo/option.rb', line 34

def parse args
    name = nil
    idx = args.zip((0...args.length).to_a).find_index { |(a,i)|
        verifies?(a,i) and (name = matches?(a))
    }

    unless idx.nil?
        args.consume idx
        args.slice idx

        unless @opts[:negates].nil?
            @pablo.options[@opts[:negates].to_sym] = false
        else
            @pablo.options[name] = true
        end

        consume?(name, args)
        run?(args)

        args.unslice
        true
    else
        false
    end
end