From: Jian Lin <winterheat@...>
Date: 2009-05-09T21:29:14+09:00
Subject: Re: converting UTF-8 to entities like &#x525B;

this works:

but i am sure there are more elegant solutions.

<%
begin
  t = ''
  s = Iconv.conv("UTF-32", "UTF-8", some_utf8_string)

  (s.length / 4).times do |i|
    b3 = s[i*4 + 2]
    b4 = s[i*4 + 3]
    t += ("&#x" + "%02X" % b3) + ("%02X" % b4) + ";"
  end
rescue => details
  t = "exception " + details
end
%>

<%= t %>
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