Class: GridGenerator::SquareOneFaceParser

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

Constant Summary collapse

COLOURS = 
{ 
  'w' => '#ffffff',
  'y' => '#ffff00',
  'b' => '#0000ff',
  'g' => '#00ff00',
  'r' => '#ff0000',
  'o' => '#ff8000',
  'f' => '#d0d0d0'
}
OPACITY = 
{
  full: 1,
  faded: 0.4
}
SHAPES = 
{
  'e' => :edge,
  'c' => :corner,
  'm' => :middle,
  'f' => :middle_flipped
}
ELEMENT_DEFINITION = 
/(e|c|m|f)(\d+)([a-zA-Z])/

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(string) ⇒ SquareOneFaceParser

Returns a new instance of SquareOneFaceParser.



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# File 'lib/grid_generator/square_one_face_parser.rb', line 27

def initialize(string)
  @string = string
end

Instance Attribute Details

#string ⇒ Object (readonly)

Returns the value of attribute string.



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# File 'lib/grid_generator/square_one_face_parser.rb', line 31

def string
  @string
end

Instance Method Details

#colour(definition) ⇒ Object 



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# File 'lib/grid_generator/square_one_face_parser.rb', line 53

def colour(definition)
  COLOURS[definition.downcase]
end

#offset(definition) ⇒ Object 



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# File 'lib/grid_generator/square_one_face_parser.rb', line 49

def offset(definition)
  definition.to_i
end

#opacity(definition) ⇒ Object 



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# File 'lib/grid_generator/square_one_face_parser.rb', line 57

def opacity(definition)
  OPACITY[(/[[:upper:]]/.match(definition) ? :full : :faded)]
end

#shape(definition) ⇒ Object 



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# File 'lib/grid_generator/square_one_face_parser.rb', line 45

def shape(definition)
  SHAPES[definition]
end

#to_a ⇒ Object 



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# File 'lib/grid_generator/square_one_face_parser.rb', line 33

def to_a
  string.split(',').map(&:strip).map do |col|
    shape_def, offset_def, colour_def = ELEMENT_DEFINITION.match(col).captures 
    {
      shape: shape(shape_def),
      offset: offset(offset_def),
      colour: colour(colour_def),
      opacity: opacity(colour_def)
    }
  end
end