root/lib/cyborghood/base/language.rb @ c2f9dd87
eb6e0359 | Marc Dequènes (Duck) | #--
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# CyborgHood, a distributed system management software.
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364e4a96 | Marc Dequènes (Duck) | # Copyright (c) 2009-2011 Marc Dequènes (Duck) <Duck@DuckCorp.org>
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eb6e0359 | Marc Dequènes (Duck) | #
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#++
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require 'singleton'
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require 'gettext'
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51546fe5 | Marc Dequènes (Duck) | require 'http_headers'
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eb6e0359 | Marc Dequènes (Duck) | ||
c2f9dd87 | Marc Dequènes (Duck) | # helpers
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class Module
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include GetText
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@@ch_translations = Set.new
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def add_translations(domain)
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if @@ch_translations.include? domain
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textdomain(domain)
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else
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bindtextdomain(domain, {:path => CyborgHood::Config::L10N_DIR, :output_charset => "UTF-8"})
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@@ch_translations << domain
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end
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end
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def add_deferred_translations(cyborg_model = nil)
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domain = 'cyborghood'
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domain += '_' + cyborg_model if cyborg_model
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add_translations(domain)
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include CyborgHood::I18nTranslation
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end
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end
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eb6e0359 | Marc Dequènes (Duck) | module CyborgHood
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ed09e1e5 | Marc Dequènes (Duck) | class I18nController
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eb6e0359 | Marc Dequènes (Duck) | include Singleton
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include GetText
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4c969e21 | Marc Dequènes (Duck) | DEFAULT_LOCALE = "en"
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eb6e0359 | Marc Dequènes (Duck) | def initialize
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@config = Config.instance
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51546fe5 | Marc Dequènes (Duck) | ||
@available_locales = nil
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@prefs_to_locale_cache = {}
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@translate_mutex = Mutex.new
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eb6e0359 | Marc Dequènes (Duck) | end
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eab8e5a0 | Marc Dequènes (Duck) | def available_locales
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51546fe5 | Marc Dequènes (Duck) | return @available_locales if @available_locales
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45139df9 | Marc Dequènes (Duck) | list = ['en'] + Dir.new(Config::L10N_DIR).select{|d| File.directory?(File.join(Config::L10N_DIR, d)) and d[0..0] != "." }
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eab8e5a0 | Marc Dequènes (Duck) | # local admin can restrict available locales
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eb6e0359 | Marc Dequènes (Duck) | # (may be useful if l10n is partial due to third party plugins)
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eab8e5a0 | Marc Dequènes (Duck) | list = list & @config.i18n.restricted_locale_set if @config.i18n.restricted_locale_set
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eb6e0359 | Marc Dequènes (Duck) | list = ['en'] if list.empty?
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51546fe5 | Marc Dequènes (Duck) | @available_locales = list
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eb6e0359 | Marc Dequènes (Duck) | end
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eab8e5a0 | Marc Dequènes (Duck) | def set_locale(locale)
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51546fe5 | Marc Dequènes (Duck) | if locale
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set_locale_all(locale)
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else
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set_default_locale
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end
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eb6e0359 | Marc Dequènes (Duck) | end
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eab8e5a0 | Marc Dequènes (Duck) | def set_default_locale
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4c969e21 | Marc Dequènes (Duck) | set_locale(DEFAULT_LOCALE)
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eb6e0359 | Marc Dequènes (Duck) | end
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51546fe5 | Marc Dequènes (Duck) | def locale_from_prefs(preferred_locales)
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0c8e424e | Marc Dequènes (Duck) | return DEFAULT_LOCALE if preferred_locales.nil?
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51546fe5 | Marc Dequènes (Duck) | locale = @prefs_to_locale_cache[preferred_locales]
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return locale if locale
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lang_chooser = HTTPHeaders::AcceptLanguage.parse(preferred_locales)
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if lang_chooser
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ordered_list = lang_chooser.reduce(available_locales)
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locale = ordered_list.empty? ? DEFAULT_LOCALE : ordered_list.first.range
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@prefs_to_locale_cache[preferred_locales] = locale
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eb6e0359 | Marc Dequènes (Duck) | else
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51546fe5 | Marc Dequènes (Duck) | # notify the preferred_locales string is not a valid RFC2616 Accept-Language value
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nil
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eb6e0359 | Marc Dequènes (Duck) | end
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end
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51546fe5 | Marc Dequènes (Duck) | def translate(message, preferred_locales)
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locale = locale_from_prefs(preferred_locales)
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eb6e0359 | Marc Dequènes (Duck) | ||
51546fe5 | Marc Dequènes (Duck) | @translate_mutex.synchronize do
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set_locale(locale)
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message.to_s
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end
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eb6e0359 | Marc Dequènes (Duck) | end
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end
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ed09e1e5 | Marc Dequènes (Duck) | module I18nTranslation
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eb6e0359 | Marc Dequènes (Duck) | def self.included(base)
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base.class_eval("include GetText")
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# translation methods needs to be available at class level too
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base.extend(self)
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end
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include GetText
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alias :_orig :_
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def _(message, parts = {})
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7c30a804 | Marc Dequènes (Duck) | create_tm(message, parts, :_orig)
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eb6e0359 | Marc Dequènes (Duck) | end
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alias :n_orig :n_
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def n_(message, parts = {})
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7c30a804 | Marc Dequènes (Duck) | create_tm(message, parts, :n_orig)
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eb6e0359 | Marc Dequènes (Duck) | end
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alias :s_orig :s_
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def s_(message, parts = {})
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7c30a804 | Marc Dequènes (Duck) | create_tm(message, parts, :s_orig)
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eb6e0359 | Marc Dequènes (Duck) | end
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alias :ns_orig :ns_
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def ns_(message, parts = {})
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7c30a804 | Marc Dequènes (Duck) | create_tm(message, parts, :ns_orig)
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eb6e0359 | Marc Dequènes (Duck) | end
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alias :np_orig :np_
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def np_(message, parts = {})
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7c30a804 | Marc Dequènes (Duck) | create_tm(message, parts, :np_orig)
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eb6e0359 | Marc Dequènes (Duck) | end
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7c30a804 | Marc Dequènes (Duck) | def tm_(message, parts = {})
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create_tm(message, parts)
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end
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def create_tm(message, parts, method = nil)
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0c8e424e | Marc Dequènes (Duck) | I18nMessage.new(message, parts, self, method)
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eb6e0359 | Marc Dequènes (Duck) | end
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module_function :_, :n_, :s_, :ns_, :np_
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end
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51546fe5 | Marc Dequènes (Duck) | ||
class I18nMessage
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include I18nTranslation
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0c8e424e | Marc Dequènes (Duck) | attr_reader :untranslated, :parts
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51546fe5 | Marc Dequènes (Duck) | ||
0c8e424e | Marc Dequènes (Duck) | def initialize(untranslated, parts, context, method)
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e971ab5a | Marc Dequènes (Duck) | @untranslated = untranslated
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51546fe5 | Marc Dequènes (Duck) | @parts = parts
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0c8e424e | Marc Dequènes (Duck) | @context = context
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51546fe5 | Marc Dequènes (Duck) | @method = method
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end
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def to_s
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0c8e424e | Marc Dequènes (Duck) | ch_i18n_msg_method, ch_i18n_msg_untranslated, ch_i18n_msg_parts = @method, @untranslated, @parts
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@context.instance_eval do
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send(ch_i18n_msg_method, ch_i18n_msg_untranslated) % ch_i18n_msg_parts
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end
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51546fe5 | Marc Dequènes (Duck) | end
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def translate(preferred_locales)
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I18nController.instance.translate(self, preferred_locales)
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end
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end
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eb6e0359 | Marc Dequènes (Duck) | end
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