Class: ParseOpts::OptSpec

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

Overview

:nodoc: all

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(matches, arg, desc, multiple, default) ⇒ OptSpec

Returns a new instance of OptSpec.

Raises:

  • (ArgumentError) 


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# File 'lib/parseOpts.rb', line 12

def initialize(matches, arg, desc, multiple, default)
  raise ArgumentError, "Options must start with -" unless matches.all? {|m| m =~ /^-/ }
  raise ArgumentError, 'Default not allowed unless argument is present' if default && !arg  
  @matches, @arg, @desc, @multiple, @default = 
	matches, arg, desc, multiple, default
end

Instance Attribute Details

#arg ⇒ Object (readonly)

Returns the value of attribute arg.



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# File 'lib/parseOpts.rb', line 10

def arg
  @arg
end

#default ⇒ Object (readonly)

Returns the value of attribute default.



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# File 'lib/parseOpts.rb', line 10

def default
  @default
end

#desc ⇒ Object (readonly)

Returns the value of attribute desc.



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# File 'lib/parseOpts.rb', line 10

def desc
  @desc
end

#matches ⇒ Object (readonly)

Returns the value of attribute matches.



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# File 'lib/parseOpts.rb', line 10

def matches
  @matches
end

#multiple ⇒ Object (readonly)

Returns the value of attribute multiple.



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# File 'lib/parseOpts.rb', line 10

def multiple
  @multiple
end

Instance Method Details

#init ⇒ Object 



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# File 'lib/parseOpts.rb', line 23

def init
  @matched = false
  @value = if @multiple
			 @arg ? [] : 0 
		   else
			 nil
		   end
end

#match?(args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/parseOpts.rb', line 32

def match?(args)
  (!@matched || @multiple) && (@matches.include?(args[0])) && (!@arg || args.size >= 2)
end

#name ⇒ Object 



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# File 'lib/parseOpts.rb', line 19

def name
  @matches[0]
end

#process(args) ⇒ Object 



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# File 'lib/parseOpts.rb', line 36

def process(args)
  args.shift
  r = @arg ? args.shift : true
  if @multiple && @arg
	@value << r
  elsif @multiple
	@value += 1
  else
	@value = r
  end
  @matched = true
end

#value ⇒ Object 



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# File 'lib/parseOpts.rb', line 49

def value
  !@matched && @default ? @default : @value
end