# frozen_string_literal: false

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#

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# irb/locale.rb - internationalization module

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# $Release Version: 0.9.6$

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# $Revision$

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# by Keiju ISHITSUKA(keiju@ruby-lang.org)

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#

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# --

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#

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#

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#

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module IRB # :nodoc:

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class Locale

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LOCALE_NAME_RE = %r[

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(?<language>[[:alpha:]]{2,3})

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(?:_ (?<territory>[[:alpha:]]{2,3}) )?

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(?:\. (?<codeset>[^@]+) )?

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(?:@ (?<modifier>.*) )?

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]x

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LOCALE_DIR = "/lc/"

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@@legacy_encoding_alias_map = {}.freeze

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@@loaded = []

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def initialize(locale = nil)

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@override_encoding = nil

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@lang = @territory = @encoding_name = @modifier = nil

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@locale = locale || ENV["IRB_LANG"] || ENV["LC_MESSAGES"] || ENV["LC_ALL"] || ENV["LANG"] || "C"

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if m = LOCALE_NAME_RE.match(@locale)

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@lang, @territory, @encoding_name, @modifier = m[:language], m[:territory], m[:codeset], m[:modifier]

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if @encoding_name

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begin load 'irb/encoding_aliases.rb'; rescue LoadError; end

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if @encoding = @@legacy_encoding_alias_map[@encoding_name]

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warn(("%s is obsolete. use %s" % ["#{@lang}_#{@territory}.#{@encoding_name}", "#{@lang}_#{@territory}.#{@encoding.name}"]), uplevel: 1)

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end

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@encoding = Encoding.find(@encoding_name) rescue nil

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end

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end

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@encoding ||= (Encoding.find('locale') rescue Encoding::ASCII_8BIT)

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end

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attr_reader :lang, :territory, :modifier

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def encoding

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@override_encoding || @encoding

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end

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def String(mes)

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mes = super(mes)

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if encoding

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mes.encode(encoding, undef: :replace)

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else

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mes

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end

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end

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def format(*opts)

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String(super(*opts))

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end

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def gets(*rs)

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String(super(*rs))

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end

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def readline(*rs)

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String(super(*rs))

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end

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def print(*opts)

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ary = opts.collect{|opt| String(opt)}

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super(*ary)

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end

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def printf(*opts)

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s = format(*opts)

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print s

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end

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def puts(*opts)

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ary = opts.collect{|opt| String(opt)}

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super(*ary)

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end

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def require(file, priv = nil)

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rex = Regexp.new("lc/#{Regexp.quote(file)}\.(so|o|sl|rb)?")

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return false if $".find{|f| f =~ rex}

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case file

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when /\.rb$/

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begin

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load(file, priv)

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$".push file

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return true

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rescue LoadError

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end

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when /\.(so|o|sl)$/

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return super

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end

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begin

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load(f = file + ".rb")

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$".push f #"

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return true

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rescue LoadError

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return ruby_require(file)

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end

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end

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alias toplevel_load load

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def load(file, priv=nil)

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found = find(file)

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if found

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unless @@loaded.include?(found)

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@@loaded << found # cache

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return real_load(found, priv)

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end

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else

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raise LoadError, "No such file to load -- #{file}"

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end

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end

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def find(file , paths = $:)

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dir = File.dirname(file)

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dir = "" if dir == "."

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base = File.basename(file)

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if dir.start_with?('/')

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return each_localized_path(dir, base).find{|full_path| File.readable? full_path}

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else

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return search_file(paths, dir, base)

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end

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end

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private

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def real_load(path, priv)

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src = MagicFile.open(path){|f| f.read}

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if priv

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eval("self", TOPLEVEL_BINDING).extend(Module.new {eval(src, nil, path)})

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else

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eval(src, TOPLEVEL_BINDING, path)

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end

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end

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# @param paths load paths in which IRB find a localized file.

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# @param dir directory

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# @param file basename to be localized

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#

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# typically, for the parameters and a <path> in paths, it searches

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# <path>/<dir>/<locale>/<file>

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def search_file(lib_paths, dir, file)

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each_localized_path(dir, file) do |lc_path|

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lib_paths.each do |libpath|

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full_path = File.join(libpath, lc_path)

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return full_path if File.readable?(full_path)

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end

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redo if defined?(Gem) and Gem.try_activate(lc_path)

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end

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nil

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end

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def each_localized_path(dir, file)

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return enum_for(:each_localized_path) unless block_given?

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each_sublocale do |lc|

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yield lc.nil? ? File.join(dir, LOCALE_DIR, file) : File.join(dir, LOCALE_DIR, lc, file)

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end

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end

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def each_sublocale

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if @lang

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if @territory

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if @encoding_name

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yield "#{@lang}_#{@territory}.#{@encoding_name}@#{@modifier}" if @modifier

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yield "#{@lang}_#{@territory}.#{@encoding_name}"

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end

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yield "#{@lang}_#{@territory}@#{@modifier}" if @modifier

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yield "#{@lang}_#{@territory}"

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end

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if @encoding_name

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yield "#{@lang}.#{@encoding_name}@#{@modifier}" if @modifier

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yield "#{@lang}.#{@encoding_name}"

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end

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yield "#{@lang}@#{@modifier}" if @modifier

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yield "#{@lang}"

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end

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yield nil

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end

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end

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end

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