module BitwiseAttribute

Constants

VERSION

Public Class Methods

included(base) click to toggle source

# File lib/bitwise_attribute.rb, line 12
def self.included(base)
  base.extend ClassMethods
end

Private Instance Methods

value?(mask_column, val) click to toggle source

Return if value is present in mask (raw value)

# File lib/bitwise_attribute.rb, line 89
def value?(mask_column, val)
  send(mask_column) & val != 0
end

value_getter(mask_column, mapping) click to toggle source

Return current value to symbols array

Ex: 16 => [:slots, :credits]

# File lib/bitwise_attribute.rb, line 71
def value_getter(mask_column, mapping)
  mapping.values.reject { |value| (send(mask_column) & value).zero? }.map do |value|
    mapping.invert[value]
  end
end

value_setter(mask_column, values, mapping) click to toggle source

Set current values from values array

# File lib/bitwise_attribute.rb, line 78
def value_setter(mask_column, values, mapping)
  send("#{mask_column}=", 0)

  values = values.map(&:to_sym).compact.uniq

  values &= mapping.keys

  values.each { |value| send("#{mask_column}=", send(mask_column) | mapping[value]) }
end