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:
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opt
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alt
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ruby22
/
lib64
/
ruby
/
2.2.0
/
rdoc
/
i18n
/
Filename :
locale.rb
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## # A message container for a locale. # # This object provides the following two features: # # * Loads translated messages from .po file. # * Translates a message into the locale. class RDoc::I18n::Locale @@locales = {} # :nodoc: class << self ## # Returns the locale object for +locale_name+. def [](locale_name) @@locales[locale_name] ||= new(locale_name) end ## # Sets the locale object for +locale_name+. # # Normally, this method is not used. This method is useful for # testing. def []=(locale_name, locale) @@locales[locale_name] = locale end end ## # The name of the locale. It uses IETF language tag format # +[language[_territory][.codeset][@modifier]]+. # # See also {BCP 47 - Tags for Identifying # Languages}[http://tools.ietf.org/rfc/bcp/bcp47.txt]. attr_reader :name ## # Creates a new locale object for +name+ locale. +name+ must # follow IETF language tag format. def initialize(name) @name = name @messages = {} end ## # Loads translation messages from +locale_directory+/+@name+/rdoc.po # or +locale_directory+/+@name+.po. The former has high priority. # # This method requires gettext gem for parsing .po file. If you # don't have gettext gem, this method doesn't load .po file. This # method warns and returns +false+. # # Returns +true+ if succeeded, +false+ otherwise. def load(locale_directory) return false if @name.nil? po_file_candidates = [ File.join(locale_directory, @name, 'rdoc.po'), File.join(locale_directory, "#{@name}.po"), ] po_file = po_file_candidates.find do |po_file_candidate| File.exist?(po_file_candidate) end return false unless po_file begin require 'gettext/po_parser' require 'gettext/mo' rescue LoadError warn('Need gettext gem for i18n feature:') warn(' gem install gettext') return false end po_parser = GetText::POParser.new messages = GetText::MO.new po_parser.report_warning = false po_parser.parse_file(po_file, messages) @messages.merge!(messages) true end ## # Translates the +message+ into locale. If there is no tranlsation # messages for +message+ in locale, +message+ itself is returned. def translate(message) @messages[message] || message end end