Class: Colors::NamedColors::Mapping

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Mapping

Returns a new instance of Mapping.



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# File 'lib/colors/named_colors.rb', line 6

def initialize
  @mapping = {}
  @cache = {}
end

Instance Attribute Details

#cache ⇒ Object (readonly)

Returns the value of attribute cache.



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# File 'lib/colors/named_colors.rb', line 11

def cache
  @cache
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/colors/named_colors.rb', line 13

def [](name)
  if NamedColors.nth_color?(name)
    cycle = ColorData::DEFAULT_COLOR_CYCLE
    name = cycle[name[1..-1].to_i % cycle.length]
  end
  if cache.has_key?(name)
    cache[name]
  else
    cache[name] = lookup_no_color_cycle(name)
  end
end

#[]=(name, value) ⇒ Object 



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# File 'lib/colors/named_colors.rb', line 64

def []=(name, value)
  @mapping[name] = value
ensure
  cache.clear
end

#delete(name) ⇒ Object 



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# File 'lib/colors/named_colors.rb', line 70

def delete(name)
  @mapping.delete(name)
ensure
  cache.clear
end

#update(other) ⇒ Object 



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# File 'lib/colors/named_colors.rb', line 76

def update(other)
  @mapping.update(other)
ensure
  cache.clear
end