An abstract base class for specifying node traversal operations.

This is an abstract class (not intended for instantiation). The user must provide a TraversalSpecificationImplementation class implementing this class' methods as described below. It is recommended to inherit from this class, but it is not obligatory, because this is is not checked during compilation. Use the documentation of this class as a guide through the steps of writing a tree traversal specification based on SPLITT.

See also

SPLITT