[XML-SIG] SAX 2.0: Namespaces

[Uche Ogbuji]

> --- Name representation
> 
>   (What is set out here goes for both ContentHandler and Attributes.)
> 
>   - All element and attribute names consist of a namespace name
>     (represented as a (uri, localname) tuple) and a qualified name
>     (the raw name, represented by a string). Which parts of this
>     information is available depends on the processing mode and the
>     parser, but the API provides for all this information.
> 
>   - During namespace processing, what namespace declarations are in
>     effect at any point in the document can be found from the
>     startPrefixMapping/endPrefixMapping events on the ContentHandler
>     interface.
> 
>   - The namespace name:
> 
>     - Required during namespace processing, optional otherwise.
> 
>     - If the name is not connected to a namespace, the name tuple
>       takes the form (None, localname).
> 
>     - Namespace processing is off and the parser is not providing
>       namespace names this this value should be the same as the
>       qualified name. (Alternatively, it could be None. My mind is not
>       made up on this.)

I'd say "None" for faster checking (in the very rare cases where checking at 
this level makes sense).

Otherwise, more good stuff.

-- 
Uche Ogbuji                               Senior Software Engineer
uche.ogbuji@fourthought.com               +01 303 583 9900 x 101
Fourthought, Inc.                         http://Fourthought.com 
4735 East Walnut St, Ste. C, Boulder, CO 80301-9036, USA
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