/usr/lib/ruby/vendor_ruby/locale/driver/env.rb is in ruby-locale 2.1.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | # -*- coding: utf-8 -*-
#
# Copyright (C) 2012 Kouhei Sutou <kou@clear-code.com>
# Copyright (C) 2012 Hleb Valoshka
# Copyright (C) 2008 Masao Mutoh
#
# Original: Ruby-GetText-Package-1.92.0.
# License: Ruby's or LGPL
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require 'locale/tag'
require 'locale/taglist'
require "locale/driver"
module Locale
module Driver
# Locale::Driver::Env module.
# Detect the user locales and the charset.
# All drivers(except CGI) refer environment variables first and use it
# as the locale if it's defined.
# This is a low-level module. Application shouldn't use this directly.
module Env
module_function
# Gets the locale from environment variable.
# Priority order except charset is LC_ALL > LC_MESSAGES > LANG.
# Priority order for charset is LC_ALL > LC_CTYPE > LANG.
# Returns: the locale as Locale::Tag::Posix.
def locale
lc_all = Private.parse(ENV["LC_ALL"])
return lc_all if lc_all
lc_messages = Private.parse(ENV["LC_MESSAGES"])
lang = Private.parse(ENV["LANG"])
tag = lc_messages || lang
return nil if tag.nil?
lc_ctype = Private.parse(ENV["LC_CTYPE"])
tag.charset = lc_ctype.charset if lc_ctype
tag
end
# Gets the locales from environment variables. (LANGUAGE > LC_ALL > LC_MESSAGES > LANG)
# * Returns: an Array of the locale as Locale::Tag::Posix or nil.
def locales
locales = ENV["LANGUAGE"]
if (locales != nil and locales.size > 0)
locs = locales.split(/:/).collect{|v| Locale::Tag::Posix.parse(v)}.compact
if locs.size > 0
return Locale::TagList.new(locs)
end
elsif (loc = locale)
return Locale::TagList.new([loc])
end
nil
end
# Gets the charset from environment variables
# (LC_ALL > LC_CTYPE > LANG) or return nil.
# * Returns: the system charset.
def charset # :nodoc:
[ENV["LC_ALL"], ENV["LC_CTYPE"], ENV["LANG"]].each do |env|
tag = Private.parse(env)
next if tag.nil?
return tag.charset
end
nil
end
module Private
module_function
def parse(env_value)
return nil if env_value.nil?
return nil if env_value.empty?
Locale::Tag::Posix.parse(env_value)
end
end
end
MODULES[:env] = Env
end
end
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