[Fwd: Re: [xml] hexBinary schema datatype patch]

[Charles Bozeman <cbozeman hiwaay net>]

I intended to reply to the list.

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• From: Charles Bozeman <cbozeman hiwaay net>
• To: Peter Sobisch <petersob gmx net>
• Subject: Re: [xml] hexBinary schema datatype patch
• Date: 07 Jul 2003 19:42:46 -0500

On Mon, 2003-07-07 at 04:12, Peter Sobisch wrote:

Hi guys,

I have a question about hexBinary-implemantation from Charles:
why is the hexBinary restricted to 12 bytes ?

Purely for pragmatic reasons. I reused the same structure that is used
for decimal (and it's derived types) which has 3 long ints for storing
the value.

---cut----
+             if (i > 24)
+               goto return1;
---end of cut ---

I read the spec part 2 and couldn't find anything that says hexBinary has max 
length of 12. 
Have a look at 
http://www.w3.org/XML/2001/05/xmlschema-test-collection/resultNIST_hexBinary.htm
as I can see, there are much longer hexBinary values than 12 bytes.

I suppose a better implementation would be to store copies of the
hexBinary strings representations instead of converting them to values.
I think it is doable but I don't know when I will have time.

best Regards,
Peter

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