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"""Demonstrates basic walking using DOM level 2 iterators"""
from xml.dom.ext.reader import PyExpat
from xml.dom.NodeFilter import NodeFilter
def Iterate(xml_dom_object):
print "Printing all nodes:"
nit = xml_dom_object.ownerDocument.createNodeIterator(xml_dom_object, NodeFilter.SHOW_ALL, None, 0)
curr_node = nit.nextNode()
while curr_node:
print "%s node %s\n"%(curr_node.nodeType, curr_node.nodeName)
curr_node = nit.nextNode()
print "\n\n\nPrinting only element nodes:"
snit = xml_dom_object.ownerDocument.createNodeIterator(xml_dom_object, NodeFilter.SHOW_ELEMENT, None, 0)
curr_node = snit.nextNode()
while curr_node:
print "%s node %s\n"%(curr_node.nodeType, curr_node.nodeName)
curr_node = snit.nextNode()
if __name__ == '__main__':
import sys
reader = PyExpat.Reader()
xml_dom_object = reader.fromUri(sys.argv[1])
Iterate(xml_dom_object)
reader.releaseNode(xml_dom_object)
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