Tiny Point: Rewriting and Documents on readonly CD's
mct at foyt.indyrad.iupui.edu
Fri Sep 11 23:56:24 BST 1998
Sam Hunting <sgmlsh at CAM.ORG> wrote:
mct> 3. Rewrite the element or attribute, prepending the
mct> (possibly generated) unique prefix for the namespace
mct> of the element/attributes Expanded Name.
sh> Suppose I have a requirement that my XML content cannot be changed in any
sh> way. For example, the content is on a CD, yet I still wish to be able to
sh> associate namespaces with the GIs on that CD.
sh> So how do I prepend the prefixes to content found on a read-only medium?
sh> I suppose I could copy the data off the CD and validate the copy, but
sh> wouldn't that get old pretty fast?
The validation takes place in the RAM of the validation process.
If your validator builds a DOM internally, then the re-writing
is actually done by assigning new values to the DOM tree.
If you want to do it "streaming", can't a namespace-aware SAX
processor spit out [LocalName, applicableNamespace] pairs as it parses
It seems that you don't even have to use two passes to find unique
Just use the namespace URI as the definition, with bad
characters escaped, as the normalized prefix.
is rewritten as
(where bad characters in the uri are escaped with '_' hex hex.)
Mark Tucker tucker_m at regenstrief.iupui.edu
Regenstrief Institute phone: (317) 630-2606
1001 W. 10'th St; Indianapolis, IN; 46202-2859; fax: (317) 630-6962
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