require 'yano/version'
require 'yano/lenient'

module Yano
  VALID_YES_VALUE = /^(y|yes|true|1)$/i
  VALID_NO_VALUE  = /^(n|no|false|0)$/i

  def self.parse(val, opts = {})
    val = val.to_s.strip
    return true  if !!(val =~ VALID_YES_VALUE)
    return false if !!(val =~ VALID_NO_VALUE)
    return Lenient.check_lenient_values(val) if opts.delete(:lenient)
  end
end