xml_document-class {xml2}

Register S4 classes

Description

Classes are exported so they can be re-used within S4 classes, see methods::setOldClass().

• xml_document: a complete document.

• xml_nodeset: a set of nodes within a document.

• xml_missing: a missing object, e.g. for an empty result set.

• xml_node: a single node in a document.