The number of sub-elements within an XML node.

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.

xmlSize(obj)

Arguments

obj

An an object of class XMLNode or XMLDocument.

Value

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

References

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

Author

Duncan Temple Lang

See also

xmlChildren, xmlAttrs, xmlName, xmlTreeParse

Examples

  fileName <- system.file("exampleData", "mtcars.xml", package="XML") 
  doc <- xmlTreeParse(fileName)
  xmlSize(doc)
#> [1] 2
  xmlSize(doc$doc$children[["dataset"]][["variables"]])
#> [1] 11