X-Git-Url: https://review.fuel-infra.org/gitweb?a=blobdiff_plain;ds=sidebyside;f=lib%2Fmcollective%2Fvendor%2Fi18n%2Flib%2Fi18n%2Fbackend%2Fmemoize.rb;fp=lib%2Fmcollective%2Fvendor%2Fi18n%2Flib%2Fi18n%2Fbackend%2Fmemoize.rb;h=ae9801fca304613575a7160b7c6ab4c98e320e50;hb=b87d2f4e68281062df1913440ca5753ae63314a9;hp=0000000000000000000000000000000000000000;hpb=ab0ea530b8ac956091f17b104ab2311336cfc250;p=packages%2Fprecise%2Fmcollective.git

diff --git a/lib/mcollective/vendor/i18n/lib/i18n/backend/memoize.rb b/lib/mcollective/vendor/i18n/lib/i18n/backend/memoize.rb
new file mode 100644
index 0000000..ae9801f
--- /dev/null
+++ b/lib/mcollective/vendor/i18n/lib/i18n/backend/memoize.rb
@@ -0,0 +1,46 @@
+# Memoize module simply memoizes the values returned by lookup using
+# a flat hash and can tremendously speed up the lookup process in a backend.
+#
+# To enable it you can simply include the Memoize module to your backend:
+#
+#   I18n::Backend::Simple.include(I18n::Backend::Memoize)
+#
+# Notice that it's the responsibility of the backend to define whenever the
+# cache should be cleaned.
+module I18n
+  module Backend
+    module Memoize
+      def available_locales
+        @memoized_locales ||= super
+      end
+
+      def store_translations(locale, data, options = {})
+        reset_memoizations!(locale)
+        super
+      end
+
+      def reload!
+        reset_memoizations!
+        super
+      end
+
+      protected
+
+        def lookup(locale, key, scope = nil, options = {})
+          flat_key  = I18n::Backend::Flatten.normalize_flat_keys(locale,
+            key, scope, options[:separator]).to_sym
+          flat_hash = memoized_lookup[locale.to_sym]
+          flat_hash.key?(flat_key) ? flat_hash[flat_key] : (flat_hash[flat_key] = super)
+        end
+
+        def memoized_lookup
+          @memoized_lookup ||= Hash.new { |h, k| h[k] = {} }
+        end
+
+        def reset_memoizations!(locale=nil)
+          @memoized_locales = nil
+          (locale ? memoized_lookup[locale.to_sym] : memoized_lookup).clear
+        end
+    end
+  end
+end