Proposed new kind of SAX2 thing, with example

Bill la Forge b.laforge at
Fri Mar 26 13:47:12 GMT 1999

From: John Cowan <cowan at>

>I believe there should be some way within SAX2 to ask for
>parser properties (in the JavaBeans sense).  One example is the
>architectural DTD public ID, which XAF provides access to
>but can't report because it doesn't fit the SAX event model.

Why not use the get(featureID)?

>Another case is the current element stack.  Every parser (or almost
>every parser) has to keep one of these around, and it would be
>useful to have "currentStackDepth" and "stackedElementType[n]"
>What's needed is to have some means of discovery.  Perhaps it's just
>enough to use the JavaBeans mechanism.

One of the ideas behind MDSAX was to have a shared element stack.
But if SAX2 developed such a concept, then:

    1. A parser has the option of sharing its element stack and 
    2. When a parser doesn't share its element stack, a filter could be used.


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