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Tim Bray <tbray@t...> writes:
> At 07:18 PM 11/06/01 -0400, Steve Rowe wrote:
> >Sounds like you need to convert the binary data which you're
> >attempting to store in a CDATA section into a form which will be XML
> >compliant. The standard solution for this problem is Base64 encoding.
>
> If it's base64, you don't need to use a CDATA section; one of
> the nice things about base64 is it doesn't use < or > or & -
> [/+a-zA-Z0-9] if I recall correctly. Furthermore, base64 is
> smart about whitespace, so you can even make it look pretty.
> Works very nicely indeed with XML, if it didn't exist we would
> have had to invent it.
>
> <someBinaryGibberish encoding="base64">
> ZA3yL5Q237IPQ9pE5C/opo7FBLpmRCfOh20VsjhVtKyohMyFMpJlEUXszyU0hMOdM6c5gfsv
> ...etc...
> fqraUBbFv4+63t/Gi48VokezN3i5RkxZcXtdZiuNBttATtK945stryFg7k/YkpMG4e6plaL1
> </someBinaryGibberish>
>
> I'm sure there are some xsd: attributes you could use to say
> in a standardized way that this is base64, but <blush> I don't
> know it. XSD gureaux?
<sBG
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xsi:type="xs:base64Binary">...</sBG>
[the namespace decls can/should of course be higher up if you have
more than one of these blobs in a document]
ht
--
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
W3C Fellow 1999--2001, part-time member of W3C Team
2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 650-4587, e-mail: ht@c...
URL: http://www.ltg.ed.ac.uk/~ht/
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