class I18n::Backend::Transliterator::HashTransliterator

rule.
A transliterator which accepts a Hash of characters as its translation

def add(hash)

Add transliteration rules to the approximations hash.
def add(hash)
  hash.keys.each {|key| hash[key.to_s] = hash.delete(key).to_s}
  approximations.merge! hash
end

def approximations

def approximations
  @approximations ||= {}
end

def initialize(rule = nil)

def initialize(rule = nil)
  @rule = rule
  add DEFAULT_APPROXIMATIONS
  add rule if rule
end

def transliterate(string, replacement = nil)

def transliterate(string, replacement = nil)
  string.gsub(/[^\x00-\x7f]/u) do |char|
    approximations[char] || replacement || DEFAULT_REPLACEMENT_CHAR
  end
end