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# File 'lib/bit_settings.rb', line 28
def add_settings(*settings, column: :settings, prefix: nil)
prefix = prefix ? "#{prefix}_" : ''
if settings.size > 32
raise 'You can NOT have more than 32 settings (max unsigned int with 4 bytes is 2^32-1)'
else
self.bit_settings ||= {}
self.bit_settings[column] = settings.map{|x| "#{prefix}#{x}".to_sym}
cast_to_boolean = BooleanValue.cast_to_boolean_func
settings.each_with_index do |setting, i|
define_method "#{prefix}#{setting}" do
self.send(column) & (1 << i) > 0
end
alias_method "#{prefix}#{setting}?", "#{prefix}#{setting}"
define_method "#{prefix}#{setting}=" do |value|
if cast_to_boolean.call(value)
self.send("#{column}=", self.send(column) | (1 << i))
else
self.send("#{column}=", self.send(column) & ~(1 << i))
end
end
end
end
end
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