Class: Nexter::Compass

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

Constant Summary collapse

DIREC = 
{asc: 1, desc: -1}
GOTO = 
{next: 1, previous: -1}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(goto) ⇒ Compass

Returns a new instance of Compass.



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# File 'lib/nexter/compass.rb', line 12

def initialize(goto)
  @goto = goto
end

Instance Attribute Details

#direction ⇒ Object

Returns the value of attribute direction.



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# File 'lib/nexter/compass.rb', line 7

def direction
  @direction
end

#goto ⇒ Object

Returns the value of attribute goto.



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# File 'lib/nexter/compass.rb', line 7

def goto
  @goto
end

Instance Method Details

#bracket ⇒ Object 



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# File 'lib/nexter/compass.rb', line 16

def bracket
  sign == -1 ? '<' : '>'
end

#redirection ⇒ Object 



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# File 'lib/nexter/compass.rb', line 20

def redirection
  sign == -1 ? 'DESC' : 'ASC'
end

#sign ⇒ Object 



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# File 'lib/nexter/compass.rb', line 24

def sign
  DIREC[direction.downcase.to_sym] * GOTO[goto]
end