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   SAX2: DTDDeclHandler (minimalist position)

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  • From: David Megginson <david@megginson.com>
  • To: "XML Developers' List" <xml-dev@ic.ac.uk>
  • Date: Thu, 25 Mar 1999 09:21:45 -0500 (EST)

Here's the second of the three new core handler types I'm proposing
for SAX2.  This handler takes a minimalist position: it provides
about enough information for DOM support, but not much more.  In
particular, I'm still shying away from reporting element-type
declarations, at least until someone shows me an easy and concise way
of doing it (in AElfred, I simply provided the content model as a
fully-normalised string).

// DTDDeclHandler.java -- receive extended DTD declarations

package org.xml.sax;

public interface DTDDeclHandler
    public final static int ATTRIBUTE_DEFAULTED = 1;
    public final static int ATTRIBUTE_IMPLIED = 2;
    public final static int ATTRIBUTE_REQUIRED = 3;
    public final static int ATTRIBUTE_FIXED = 4;

    public abstract void attributeDecl (String element,
					String name,
					String type,
					String defaultValue,
					int defaultType,
					EntityRefList entityRefs)
	throws SAXException;

    public abstract void externalEntityDecl (String name,
					     boolean isParameterEntity,
					     String publicId,
					     String systemId)
	throws SAXException;

    public abstract void internalEntityDecl (String name,
					     boolean isParameterEntity,
					     String value)
	throws SAXException;

// end of DTDDeclHandler.java

All the best,


David Megginson                 david@megginson.com

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