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We've found another pragmatic use for
XML.
On our Weblog Monitor site we allow people who have
registered sites to specify how they'd like the sites to be categorized. This
results in a hierarchy of categories and nodes. This hierarchy is browsable thru
the web, and it's also mirrored in XML. The XML file is here:
http://static.userland.com/weblogMonitor/categories.xml
You can browse the structure thru HTML
here:
http://subhonker2.userland.com/weblogMonitor/categories/
If you register a weblog, you enter the Categories
string on your Prefs page:
http://subhonker2.userland.com/weblogMonitor/prefs/
The levels are slash-delimited, you can specify as
many paths as you want, they're comma-separated.
Here's the categories string I entered for
Scripting News:
/computers/software/scripting,/culture/web,/humor,/Geography/USA/California
The structure evolves in real-time, if a member
changes his or her listing so that a category is emptied, it's no longer in the
structure.
A Frontier script that reads the XML into an
outline.
http://samples.userland.com/discuss/enclosures/view$64
A screen shot of the outline:
http://www.outliners.com/images/frontier6/weblogMonitorCategoriesOutline.gif
Dave Winer
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