1 files changed, 23 insertions, 0 deletions
diff --git a/lib/rexml/encodings/US-ASCII.rb b/lib/rexml/encodings/US-ASCII.rb
new file mode 100644
index 0000000000..4ca2c82a83
--- /dev/null
+++ b/lib/rexml/encodings/US-ASCII.rb
@@ -0,0 +1,23 @@
+module REXML
+	module Encoding
+		# Convert from UTF-8
+		def to_us_ascii content
+			array_utf8 = content.unpack('U*')
+			array_enc = []
+			array_utf8.each do |num|
+				if num <= 0xFF
+					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 from_us_ascii(str)
+			str.unpack('C*').pack('U*')
+		end
+	end
+end