Class: OptParseSimple::Option

Inherits:
Object
  • Object
show all
Defined in:
lib/optparse-simple.rb

Overview

represents a single option, eg. its matchers (-f, –foo) and its block of logic to call, if matched

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args, &block) ⇒ Option

Returns a new instance of Option.



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# File 'lib/optparse-simple.rb', line 57

def initialize *args, &block
  set_defaults

  @proc = block

  # take arguments (eg. '-f' or '--f' or '--f [foo]')
  # and set #short_string, #long_string, and #accepts_argument
  args.each do |arg|
    case arg
    when /^-(\w)/
      @short_string = $1 
    when /^--(\w+)/
      @long_string = $1
    else
      raise "Don't know how to handle argument: #{ arg.inspect }"
    end

    @accepts_argument = true if arg =~ /\[.*\]$/
  end
end

Instance Attribute Details

#accepts_argument ⇒ Object Also known as: accept_argument?, accept_arguments?, accepts_argument?, accepts_arguments?

Returns the value of attribute accepts_argument.



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# File 'lib/optparse-simple.rb', line 55

def accepts_argument
  @accepts_argument
end

#long_string ⇒ Object

Returns the value of attribute long_string.



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# File 'lib/optparse-simple.rb', line 55

def long_string
  @long_string
end

#proc ⇒ Object

Returns the value of attribute proc.



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# File 'lib/optparse-simple.rb', line 55

def proc
  @proc
end

#short_string ⇒ Object

Returns the value of attribute short_string.



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# File 'lib/optparse-simple.rb', line 55

def short_string
  @short_string
end

Instance Method Details

#long_string_with_dashes ⇒ Object 



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# File 'lib/optparse-simple.rb', line 82

def long_string_with_dashes
  (long_string) ? "--#{ long_string }" : ''
end

#match(*args) ⇒ Object 



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# File 'lib/optparse-simple.rb', line 96

def match *args
  args = args.first if args.first.is_a?(Array) and args.length == 1
  do_parsing args, :run => false, :destructive => false
end

#match!(*args) ⇒ Object 



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# File 'lib/optparse-simple.rb', line 101

def match! *args
  args = args.first if args.first.is_a?(Array) and args.length == 1
  do_parsing args, :run => false, :destructive => true
end

#parse(*args) ⇒ Object 



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# File 'lib/optparse-simple.rb', line 86

def parse *args
  args = args.first if args.first.is_a?(Array) and args.length == 1
  do_parsing args, :run => true, :destructive => false
end

#parse!(*args) ⇒ Object 



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# File 'lib/optparse-simple.rb', line 91

def parse! *args
  args = args.first if args.first.is_a?(Array) and args.length == 1
  do_parsing args, :run => true, :destructive => true
end

#short_string_with_dash ⇒ Object 



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# File 'lib/optparse-simple.rb', line 78

def short_string_with_dash
  (short_string) ? "-#{ short_string }" : ''
end