[XOM-interest] attribute ordering
elharo at metalab.unc.edu
Mon Jan 22 07:26:41 EST 2007
Steve Loughran wrote:
> simple question: when I enum attributes of a Xom element, does it come
> in any fixed order? And if so, is the order formalised and stable, or
> some implementation detail that may change over time?
Attribute order is not defined, stable, or reliable. It is also not part
of the XML infoset. Attribute order in XOM is probably related to the
attribute order reported by the underlying SAX parser, but I don't
promise that; and the SAX order is itself not defined, stable, or reliable.
Once you've parsed an element, XOM will not change the order of its
attributes. Attribute 3 of element X is still attribute 3 of element X 5
minutes later. However, if you reparse the same document a second time
that attribute may now become attribute 2 or 4.
Elliotte Rusty Harold elharo at metalab.unc.edu
Java I/O 2nd Edition Just Published!
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