NSXml

last edited July 29, 2006 05:16:00 (130.243.213.79)
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NSXML is a set of classes introduced in OS X 10.4 (Tiger) that deals with a complete XML tree.

It is comprised of these FoundationKit classes:

  • NSXMLNode?
  • NSXMLDocument?
  • NSXMLElement
  • NSXMLDTD (wikified as NSXmlDtd?)
  • NSXMLDTDNode?
It does not include NSXMLParser?, though NSXML does use it to parse XML.

Apple's unusually good overview is at < http://developer.apple.com/documentation/Cocoa/Conceptual/NSXML_Concepts/index.html >.

NSXML supports many cool things:

  • User data associated with XML elements and attributes
  • NSValueTransformer
  • DTD manipulation
  • XML namespaces
  • XQuery? and XPath
  • XSLT document transformations (wikified as XSLTransformations?)
  • XInclude?
  • CocoaBindings

In particular, XPath takes all the drudgery out of reading XML values.