class IRB::Locale

# File lib/irb/locale.rb, line 25
def initialize(locale = nil)
  @override_encoding = nil
  @lang = @territory = @encoding_name = @modifier = nil
  @locale = locale || ENV["IRB_LANG"] || ENV["LC_MESSAGES"] || ENV["LC_ALL"] || ENV["LANG"] || "C"
  if m = LOCALE_NAME_RE.match(@locale)
    @lang, @territory, @encoding_name, @modifier = m[:language], m[:territory], m[:codeset], m[:modifier]

    if @encoding_name
      if @encoding = LEGACY_ENCODING_ALIAS_MAP[@encoding_name]
        warn(("%s is obsolete. use %s" % ["#{@lang}_#{@territory}.#{@encoding_name}", "#{@lang}_#{@territory}.#{@encoding.name}"]), uplevel: 1)
      else
        @encoding = Encoding.find(@encoding_name) rescue nil
      end
    end
  end
  @encoding ||= (Encoding.find('locale') rescue Encoding::ASCII_8BIT)
end

# File lib/irb/locale.rb, line 49
def String(mes)
  mes = super(mes)
  if encoding
    mes.encode(encoding, undef: :replace)
  else
    mes
  end
end

# File lib/irb/locale.rb, line 126
def each_localized_path(dir, file)
  return enum_for(:each_localized_path) unless block_given?
  each_sublocale do |lc|
    yield lc.nil? ? File.join(dir, LOCALE_DIR, file) : File.join(dir, LOCALE_DIR, lc, file)
  end
end

# File lib/irb/locale.rb, line 133
def each_sublocale
  if @lang
    if @territory
      if @encoding_name
        yield "#{@lang}_#{@territory}.#{@encoding_name}@#{@modifier}" if @modifier
        yield "#{@lang}_#{@territory}.#{@encoding_name}"
      end
      yield "#{@lang}_#{@territory}@#{@modifier}" if @modifier
      yield "#{@lang}_#{@territory}"
    end
    if @encoding_name
      yield "#{@lang}.#{@encoding_name}@#{@modifier}" if @modifier
      yield "#{@lang}.#{@encoding_name}"
    end
    yield "#{@lang}@#{@modifier}" if @modifier
    yield "#{@lang}"
  end
  yield nil
end

# File lib/irb/locale.rb, line 45
def encoding
  @override_encoding || @encoding
end

# File lib/irb/locale.rb, line 97
def find(file, paths = $:)
  dir = File.dirname(file)
  dir = "" if dir == "."
  base = File.basename(file)

  if dir.start_with?('/')
    return each_localized_path(dir, base).find{|full_path| File.readable? full_path}
  else
    return search_file(paths, dir, base)
  end
end

# File lib/irb/locale.rb, line 58
def format(*opts)
  String(super(*opts))
end

# File lib/irb/locale.rb, line 62
def gets(*rs)
  String(super(*rs))
end

# File lib/irb/locale.rb, line 85
def load(file)
  found = find(file)
  if found
    unless @@loaded.include?(found)
      @@loaded << found # cache
      Kernel.load(found)
    end
  else
    raise LoadError, "No such file to load -- #{file}"
  end
end

# File lib/irb/locale.rb, line 70
def print(*opts)
  ary = opts.collect{|opt| String(opt)}
  super(*ary)
end

# File lib/irb/locale.rb, line 75
def printf(*opts)
  s = format(*opts)
  print s
end

# File lib/irb/locale.rb, line 80
def puts(*opts)
  ary = opts.collect{|opt| String(opt)}
  super(*ary)
end

# File lib/irb/locale.rb, line 66
def readline(*rs)
  String(super(*rs))
end

# File lib/irb/locale.rb, line 115
def search_file(lib_paths, dir, file)
  each_localized_path(dir, file) do |lc_path|
    lib_paths.each do |libpath|
      full_path = File.join(libpath, lc_path)
      return full_path if File.readable?(full_path)
    end
    redo if defined?(Gem) and Gem.try_activate(lc_path)
  end
  nil
end