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Name	Size	Permission
base.rb	10.45 KB	-rw-r--r--
cache.rb	3.41 KB	-rw-r--r--
cache_file.rb	1.35 KB	-rw-r--r--
cascade.rb	2.15 KB	-rw-r--r--
chain.rb	3.94 KB	-rw-r--r--
fallbacks.rb	3.17 KB	-rw-r--r--
flatten.rb	3.76 KB	-rw-r--r--
gettext.rb	2.82 KB	-rw-r--r--
interpolation_compiler.rb	3.71 KB	-rw-r--r--
key_value.rb	5.91 KB	-rw-r--r--
memoize.rb	1.35 KB	-rw-r--r--
metadata.rb	2.17 KB	-rw-r--r--
pluralization.rb	2.08 KB	-rw-r--r--
simple.rb	3.42 KB	-rw-r--r--
transliterator.rb	4.48 KB	-rw-r--r--

Code Editor : transliterator.rb

# encoding: utf-8
# frozen_string_literal: true

module I18n
  module Backend
    module Transliterator
      DEFAULT_REPLACEMENT_CHAR = "?"

# Given a locale and a UTF-8 string, return the locale's ASCII
      # approximation for the string.
      def transliterate(locale, string, replacement = nil)
        @transliterators ||= {}
        @transliterators[locale] ||= Transliterator.get I18n.t(:'i18n.transliterate.rule',
          :locale => locale, :resolve => false, :default => {})
        @transliterators[locale].transliterate(string, replacement)
      end

# Get a transliterator instance.
      def self.get(rule = nil)
        if !rule || rule.kind_of?(Hash)
          HashTransliterator.new(rule)
        elsif rule.kind_of? Proc
          ProcTransliterator.new(rule)
        else
          raise I18n::ArgumentError, "Transliteration rule must be a proc or a hash."
        end
      end

# A transliterator which accepts a Proc as its transliteration rule.
      class ProcTransliterator
        def initialize(rule)
          @rule = rule
        end

def transliterate(string, replacement = nil)
          @rule.call(string)
        end
      end

# A transliterator which accepts a Hash of characters as its translation
      # rule.
      class HashTransliterator
        DEFAULT_APPROXIMATIONS = {
          "À"=>"A", "Á"=>"A", "Â"=>"A", "Ã"=>"A", "Ä"=>"A", "Å"=>"A", "Æ"=>"AE",
          "Ç"=>"C", "È"=>"E", "É"=>"E", "Ê"=>"E", "Ë"=>"E", "Ì"=>"I", "Í"=>"I",
          "Î"=>"I", "Ï"=>"I", "Ð"=>"D", "Ñ"=>"N", "Ò"=>"O", "Ó"=>"O", "Ô"=>"O",
          "Õ"=>"O", "Ö"=>"O", "×"=>"x", "Ø"=>"O", "Ù"=>"U", "Ú"=>"U", "Û"=>"U",
          "Ü"=>"U", "Ý"=>"Y", "Þ"=>"Th", "ß"=>"ss", "à"=>"a", "á"=>"a", "â"=>"a",
          "ã"=>"a", "ä"=>"a", "å"=>"a", "æ"=>"ae", "ç"=>"c", "è"=>"e", "é"=>"e",
          "ê"=>"e", "ë"=>"e", "ì"=>"i", "í"=>"i", "î"=>"i", "ï"=>"i", "ð"=>"d",
          "ñ"=>"n", "ò"=>"o", "ó"=>"o", "ô"=>"o", "õ"=>"o", "ö"=>"o", "ø"=>"o",
          "ù"=>"u", "ú"=>"u", "û"=>"u", "ü"=>"u", "ý"=>"y", "þ"=>"th", "ÿ"=>"y",
          "Ā"=>"A", "ā"=>"a", "Ă"=>"A", "ă"=>"a", "Ą"=>"A", "ą"=>"a", "Ć"=>"C",
          "ć"=>"c", "Ĉ"=>"C", "ĉ"=>"c", "Ċ"=>"C", "ċ"=>"c", "Č"=>"C", "č"=>"c",
          "Ď"=>"D", "ď"=>"d", "Đ"=>"D", "đ"=>"d", "Ē"=>"E", "ē"=>"e", "Ĕ"=>"E",
          "ĕ"=>"e", "Ė"=>"E", "ė"=>"e", "Ę"=>"E", "ę"=>"e", "Ě"=>"E", "ě"=>"e",
          "Ĝ"=>"G", "ĝ"=>"g", "Ğ"=>"G", "ğ"=>"g", "Ġ"=>"G", "ġ"=>"g", "Ģ"=>"G",
          "ģ"=>"g", "Ĥ"=>"H", "ĥ"=>"h", "Ħ"=>"H", "ħ"=>"h", "Ĩ"=>"I", "ĩ"=>"i",
          "Ī"=>"I", "ī"=>"i", "Ĭ"=>"I", "ĭ"=>"i", "Į"=>"I", "į"=>"i", "İ"=>"I",
          "ı"=>"i", "Ĳ"=>"IJ", "ĳ"=>"ij", "Ĵ"=>"J", "ĵ"=>"j", "Ķ"=>"K", "ķ"=>"k",
          "ĸ"=>"k", "Ĺ"=>"L", "ĺ"=>"l", "Ļ"=>"L", "ļ"=>"l", "Ľ"=>"L", "ľ"=>"l",
          "Ŀ"=>"L", "ŀ"=>"l", "Ł"=>"L", "ł"=>"l", "Ń"=>"N", "ń"=>"n", "Ņ"=>"N",
          "ņ"=>"n", "Ň"=>"N", "ň"=>"n", "ŉ"=>"'n", "Ŋ"=>"NG", "ŋ"=>"ng",
          "Ō"=>"O", "ō"=>"o", "Ŏ"=>"O", "ŏ"=>"o", "Ő"=>"O", "ő"=>"o", "Œ"=>"OE",
          "œ"=>"oe", "Ŕ"=>"R", "ŕ"=>"r", "Ŗ"=>"R", "ŗ"=>"r", "Ř"=>"R", "ř"=>"r",
          "Ś"=>"S", "ś"=>"s", "Ŝ"=>"S", "ŝ"=>"s", "Ş"=>"S", "ş"=>"s", "Š"=>"S",
          "š"=>"s", "Ţ"=>"T", "ţ"=>"t", "Ť"=>"T", "ť"=>"t", "Ŧ"=>"T", "ŧ"=>"t",
          "Ũ"=>"U", "ũ"=>"u", "Ū"=>"U", "ū"=>"u", "Ŭ"=>"U", "ŭ"=>"u", "Ů"=>"U",
          "ů"=>"u", "Ű"=>"U", "ű"=>"u", "Ų"=>"U", "ų"=>"u", "Ŵ"=>"W", "ŵ"=>"w",
          "Ŷ"=>"Y", "ŷ"=>"y", "Ÿ"=>"Y", "Ź"=>"Z", "ź"=>"z", "Ż"=>"Z", "ż"=>"z",
          "Ž"=>"Z", "ž"=>"z"
        }.freeze

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

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

private

def approximations
          @approximations ||= {}
        end

def add_default_approximations
          DEFAULT_APPROXIMATIONS.each do |key, value|
            approximations[key] = value
          end
        end

# Add transliteration rules to the approximations hash.
        def add(hash)
          hash.each do |key, value|
            approximations[key.to_s] = value.to_s
          end
        end
      end
    end
  end
end

${this.title}

Code Editor : transliterator.rb