nsISAXDTDHandler

Receive notification of basic DTD-related events.

If a SAX application needs information about notations and
unparsed entities, then the application implements this interface
and registers an instance with the SAX parser using the parser’s
setDTDHandler method. The parser uses the instance to report
notation and unparsed entity declarations to the application.

Note that this interface includes only those DTD events that the
XML recommendation requires processors to report: notation and
unparsed entity declarations.

The SAX parser may report these events in any order, regardless
of the order in which the notations and unparsed entities were
declared; however, all DTD events must be reported after the
document handler’s startDocument event, and before the first
startElement event. (If the LexicalHandler is used, these events
must also be reported before the endDTD event.)

Methods

notationDecl(name, publicId, systemId)

Receive notification of a notation declaration event.

It is up to the application to record the notation for later
reference, if necessary; notations may appear as attribute values
and in unparsed entity declarations, and are sometime used with
processing instruction target names.

At least one of publicId and systemId must be non-null. If a
system identifier is present, and it is a URL, the SAX parser
must resolve it fully before passing it to the application
through this event.

There is no guarantee that the notation declaration will be
reported before any unparsed entities that use it.

Parameters

unparsedEntityDecl(name, publicId, systemId, notationName)

Receive notification of an unparsed entity declaration event.

Note that the notation name corresponds to a notation reported
by the notationDecl event. It is up to the application to record
the entity for later reference, if necessary; unparsed entities
may appear as attribute values.

If the system identifier is a URL, the parser must resolve it
fully before passing it to the application.

Parameters