Class: Ragol::ArgsList

Inherits:
Object
  • Object
show all
Defined in:
lib/ragol/argslist.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = Array.new) ⇒ ArgsList

Returns a new instance of ArgsList.



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# File 'lib/ragol/argslist.rb', line 8

def initialize args = Array.new
  @args = args
end

Instance Attribute Details

#args ⇒ Object

Returns the value of attribute args.



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# File 'lib/ragol/argslist.rb', line 6

def args
  @args
end

Instance Method Details

#[](idx) ⇒ Object 



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# File 'lib/ragol/argslist.rb', line 52

def [] idx
  @args[idx]
end

#args_empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ragol/argslist.rb', line 30

def args_empty?
  @args.empty?
end

#current_arg ⇒ Object 



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# File 'lib/ragol/argslist.rb', line 38

def current_arg
  curr = @args[0]
  re = Regexp.new('^-(?:\d+|\w)')
  if md = re.match(curr)
    md[0]
  else
    curr
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ragol/argslist.rb', line 34

def empty?
  @args.empty?
end

#end_of_options? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ragol/argslist.rb', line 56

def end_of_options?
  current_arg == '--'
end

#eql?(args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ragol/argslist.rb', line 48

def eql? args
  @args == args
end

#next_arg ⇒ Object 



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# File 'lib/ragol/argslist.rb', line 12

def next_arg
  curr = @args.shift
  re = Regexp.new('^- (?:(\d+)(\D+) | ([a-zA-Z])(\w+) )', Regexp::EXTENDED)

  if md = re.match(curr)
    mi = md[1] ? 1 : 3
    arg, newarg = ('-' + md[mi]), ('-' + md[mi + 1])
    @args.unshift newarg
    arg
  else
    curr
  end
end

#shift_arg ⇒ Object 



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# File 'lib/ragol/argslist.rb', line 26

def shift_arg
  @args.shift
end