diff options
Diffstat (limited to 'trunk/lib/rexml/encodings/UTF-16.rb')
-rw-r--r-- | trunk/lib/rexml/encodings/UTF-16.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/trunk/lib/rexml/encodings/UTF-16.rb b/trunk/lib/rexml/encodings/UTF-16.rb new file mode 100644 index 0000000000..007c493d9c --- /dev/null +++ b/trunk/lib/rexml/encodings/UTF-16.rb @@ -0,0 +1,35 @@ +module REXML + module Encoding + def encode_utf16 content + array_utf8 = content.unpack("U*") + array_enc = [] + array_utf8.each do |num| + if ((num>>16) > 0) + array_enc << 0 + array_enc << ?? + else + array_enc << (num >> 8) + array_enc << (num & 0xFF) + end + end + array_enc.pack('C*') + end + + def decode_utf16(str) + str = str[2..-1] if /^\376\377/n =~ str + array_enc=str.unpack('C*') + array_utf8 = [] + 0.step(array_enc.size-1, 2){|i| + array_utf8 << (array_enc.at(i+1) + array_enc.at(i)*0x100) + } + array_utf8.pack('U*') + end + + register(UTF_16) do |obj| + class << obj + alias decode decode_utf16 + alias encode encode_utf16 + end + end + end +end |