add tag v1_8_5_91v1_8_5_91

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_91@13046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 30 insertions, 0 deletions

diff --git a/ruby_1_8_5/lib/rexml/encodings/US-ASCII.rb b/ruby_1_8_5/lib/rexml/encodings/US-ASCII.rb
new file mode 100644
index 0000000000..fb4c217074
--- /dev/null
+++ b/ruby_1_8_5/lib/rexml/encodings/US-ASCII.rb
@@ -0,0 +1,30 @@
+module REXML
+  module Encoding
+    # Convert from UTF-8
+    def encode_ascii content
+      array_utf8 = content.unpack('U*')
+      array_enc = []
+      array_utf8.each do |num|
+        if num <= 0x7F
+          array_enc << num
+        else
+          # Numeric entity (&#nnnn;); shard by  Stefan Scholl
+          array_enc.concat "&\##{num};".unpack('C*')
+        end
+      end
+      array_enc.pack('C*')
+    end
+
+    # Convert to UTF-8
+    def decode_ascii(str)
+      str.unpack('C*').pack('U*')
+    end
+
+    register("US-ASCII") do |obj|
+      class << obj
+        alias decode decode_ascii
+        alias encode encode_ascii
+      end
+    end
+  end
+end