decko-commons/decko

# -*- encoding : utf-8 -*-

# Arrange for locale files to be found
#
# Necessary since 'card' is packaged as a gem which is not an Engine

I18n.load_path += Dir.glob("#{Pathname(__FILE__).parent.parent}/locales/*.{rb,yml}")

# see http://svenfuchs.com/2009/7/19/experimental-ruby-i18n-extensions-pluralization-fallbacks-gettext-cache-and-chained-backend
module I18n
  module Backend
    module Transformers
      # this variable is a hook to allow dynamic activation/deactivation
      @@demark_enable = true

      def translate *args
        transform_text(super) { |entry| "⟪#{entry}⟫" }
      end

      def localize *args
        transform_text(super) { |entry| "⟦#{entry}⟧" }
      end

      def transform_text entry
        if @@demark_enable && entry && (entry.is_a? String)
          yield(entry)
        else
          entry
        end
      end
    end
  end
end

# For testing/debugging purposes, one can set the DECKO_I18N_DEMARK environment
# variable, and this will cause all translated text to include visual
# demarcation that distinguishes it from text not obtained from I18n.
#
# Enable by setting DECKO_I18N_DEMARK=1 in the host environment, or
# with ENV['DECKO_I18N_DEMARK']=1 on the command line in server startup,
# or ./config/environments/*.rb file.

if ENV["DECKO_I18N_DEMARK"]
  I18n::Backend::Simple.include I18n::Backend::Transformers
  puts "DECKO_I18N_DEMARK is active"
end