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Working with the DOM TreeDOM Level 2 is a W3C Recommendation for XML interfaces that maps the constituents of an XML document to a tree structure. The specification of DOM Level 2 can be found at http://www.w3.org/DOM/. Introduction to DOMDOM provides an interface to access and change the content and structure of an XML file. It makes a hierarchical view of the document (a tree view). Thus -- in contrast to the SAX2 interface -- an object model of the document is resident in memory after parsing which makes manipulation easy. All DOM nodes in the document tree are subclasses of QDomNode. The document itself is represented as a QDomDocument object. Here are the available node classes and their potential child classes:
With QDomNodeList and QDomNamedNodeMap two collection classes are provided: QDomNodeList is a list of nodes, and QDomNamedNodeMap is used to handle unordered sets of nodes (often used for attributes). The QDomImplementation class allows the user to query features of the DOM implementation. To get started please refer to the QDomDocument documentation. You might also want to take a look at the DOM Bookmarks example, which illustrates how to read and write an XML bookmark file (XBEL) using DOM. [Previous: The SAX interface] [Next: XQuery/XPath and XML Schema] © 2008-2011 Nokia Corporation and/or its subsidiaries. Nokia, Qt and their respective logos are trademarks of Nokia Corporation in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. Privacy Policy Licensees holding valid Qt Commercial licenses may use this document in accordance with the Qt Commercial License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Nokia. Alternatively, this document may be used under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. |
