Re: [Saxdotnet-devel] Reducing the versioning / eliminating the Ixxx2 interfaces

[Karl W. <ka...@wa...>]

> Jeff Rafter wrote:
> 
> 
> > (1) Some implementations will not support the additional methods. Again, 
> > these extensions are not required by the XML Specification to be 
> > reported to the application. In such a case we will again turn to the 
> > SaxNotSupportedExcpetion. If someone attempts to access isDeclared for 
> > example and it is not supported by the implementation a 
> > SaxNotSupportedException should be thrown.
> 
> 
> Suggestion: drop isDeclared from Attributes/Attributes2 completely and 
> instead define a new "undeclared" value to be returned by getType for 
> undeclared attributes. I suspect this would have been in SAX/Java if 
> anyone had thought of it earlier; but the use cases that led to these 
> methods in Attributes2 weren't uncovered till later.

Hhmm, makes sense.

While we are at it: Why are enumerations reported as NMTOKEN in the Java API"
<quote>
  For an enumerated attribute that is not a notation, 
  the parser will report the type as "NMTOKEN".
</quote>

Why not use the type as it is declared? Or use the the term "ENUMERATION"?

> isSpecified is trickier, but I tend to think you should just add it to 
> the Attributes interface and require parsers to support it.

I guess that is possible, since a parser that does not read the DTD
will just always return true without misleading the user.

Karl