The number of sub-elements within an XML node.

Description

XML elements can contain other, nested sub-elements. This generic function determines the number of such elements within a specified node. It applies to an object of class XMLNode or XMLDocument.

Usage

xmlSize(obj)

Arguments

Value

an integer which is the length of the value from xmlChildren.

Author(s)

Duncan Temple Lang

References

http://www.w3.org/XML, http://www.jclark.com/xml, http://www.omegahat.net

See Also

xmlChildren, xmlAttrs, xmlName, xmlTreeParse

Examples

  fileName <- system.file("exampleData", "mtcars.xml", package="XML") 
  doc <- xmlTreeParse(fileName)
  xmlSize(doc)
  xmlSize(doc$doc$children[["dataset"]][["variables"]])