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   Parser for DTDs

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  • From: m.mower@unl.ac.uk (Matt Mower)
  • To: xml-dev@ic.ac.uk
  • Date: Tue, 21 Apr 1998 14:06:43 +0000 (GMT)


I am looking for a java parser that when fed a DTD returns a model
representing all the valid documents that can be expressed using that
DTD, i.e. for any given element type I need to be able to determine what
are valid sub-elements/attributes/content. One additional constraint is
that I need to parse the DTD outside of the context of an XML document.

I would ideally like to be able to write code something like :-

>DTDParser dp = new DTDParser( dtdInputStream );
>if( dp.isValid() == true ) {
>	Element[] childElems = dp.getRoot().getChildElements();
>	Attribute[] attrs = childElems[0].getAttributes();
>	if( childElems[0].isChildElement( "someelement" ) == true ) {
>		...
>	}

I believe Larval may have this kind of capability (i'm not sure yet),
are there others?

Best regards.


Matt Mower, Information Systems Team, University of North London
T: +44-(0)171-753-3288 F: +44-(0)171-753-5120 E: m.mower@unl.ac.uk

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