X-Git-Url: https://review.fuel-infra.org/gitweb?a=blobdiff_plain;f=lib%2Fmcollective%2Fvendor%2Fi18n%2Flib%2Fi18n%2Flocale%2Ftag%2Frfc4646.rb;fp=lib%2Fmcollective%2Fvendor%2Fi18n%2Flib%2Fi18n%2Flocale%2Ftag%2Frfc4646.rb;h=4ce4c751ae11f8ae70fefbb41f2319adcfd27d03;hb=b87d2f4e68281062df1913440ca5753ae63314a9;hp=0000000000000000000000000000000000000000;hpb=ab0ea530b8ac956091f17b104ab2311336cfc250;p=packages%2Fprecise%2Fmcollective.git

diff --git a/lib/mcollective/vendor/i18n/lib/i18n/locale/tag/rfc4646.rb b/lib/mcollective/vendor/i18n/lib/i18n/locale/tag/rfc4646.rb
new file mode 100644
index 0000000..4ce4c75
--- /dev/null
+++ b/lib/mcollective/vendor/i18n/lib/i18n/locale/tag/rfc4646.rb
@@ -0,0 +1,74 @@
+# RFC 4646/47 compliant Locale tag implementation that parses locale tags to
+# subtags such as language, script, region, variant etc.
+#
+# For more information see by http://en.wikipedia.org/wiki/IETF_language_tag
+#
+# Rfc4646::Parser does not implement grandfathered tags.
+
+module I18n
+  module Locale
+    module Tag
+      RFC4646_SUBTAGS = [ :language, :script, :region, :variant, :extension, :privateuse, :grandfathered ]
+      RFC4646_FORMATS = { :language => :downcase, :script => :capitalize, :region => :upcase, :variant => :downcase }
+
+      class Rfc4646 < Struct.new(*RFC4646_SUBTAGS)
+        class << self
+          # Parses the given tag and returns a Tag instance if it is valid.
+          # Returns false if the given tag is not valid according to RFC 4646.
+          def tag(tag)
+            matches = parser.match(tag)
+            new(*matches) if matches
+          end
+
+          def parser
+            @@parser ||= Rfc4646::Parser
+          end
+
+          def parser=(parser)
+            @@parser = parser
+          end
+        end
+
+        include Parents
+
+        RFC4646_FORMATS.each do |name, format|
+          define_method(name) { self[name].send(format) unless self[name].nil? }
+        end
+
+        def to_sym
+          to_s.to_sym
+        end
+
+        def to_s
+          @tag ||= to_a.compact.join("-")
+        end
+
+        def to_a
+          members.collect { |attr| self.send(attr) }
+        end
+
+        module Parser
+          PATTERN = %r{\A(?:
+            ([a-z]{2,3}(?:(?:-[a-z]{3}){0,3})?|[a-z]{4}|[a-z]{5,8}) # language
+            (?:-([a-z]{4}))?                                        # script
+            (?:-([a-z]{2}|\d{3}))?                                  # region
+            (?:-([0-9a-z]{5,8}|\d[0-9a-z]{3}))*                     # variant
+            (?:-([0-9a-wyz](?:-[0-9a-z]{2,8})+))*                   # extension
+            (?:-(x(?:-[0-9a-z]{1,8})+))?|                           # privateuse subtag
+            (x(?:-[0-9a-z]{1,8})+)|                                 # privateuse tag
+            /* ([a-z]{1,3}(?:-[0-9a-z]{2,8}){1,2}) */               # grandfathered
+            )\z}xi
+
+          class << self
+            def match(tag)
+              c = PATTERN.match(tag.to_s).captures
+              c[0..4] << (c[5].nil? ? c[6] : c[5])  << c[7] # TODO c[7] is grandfathered, throw a NotImplemented exception here?
+            rescue
+              false
+            end
+          end
+        end
+      end
+    end
+  end
+end