def bar(ctxt, x):
return "%d" % (x + 2)
doc = libxml2.parseFile("tst.xml")
ctxt = doc.xpathNewContext()
res = ctxt.xpathEval("//*")
if len(res) != 2:
print("xpath query: wrong node set size")
sys.exit(1)
if res[0].name != "doc" or res[1].name != "foo":
print("xpath query: wrong node set value")
sys.exit(1)
libxml2.registerXPathFunction(ctxt._o, "foo", None, foo)
libxml2.registerXPathFunction(ctxt._o, "bar", None, bar)
i = 10000
while i > 0:
res = ctxt.xpathEval("foo(1)")
if res != 2:
print("xpath extension failure")
sys.exit(1)
i = i - 1
i = 10000
while i > 0:
res = ctxt.xpathEval("bar(1)")
if res != "3":
print("xpath extension failure got %s expecting '3'")
sys.exit(1)
i = i - 1
def foo(ctx, str):
global mydoc
#
# test returning a node set works as expected
#
parent = mydoc.newDocNode(None, 'p', None)
mydoc.addChild(parent)
node = mydoc.newDocText(str)
parent.addChild(node)
return [parent]
doc = libxml2.parseFile("tst.xml")
ctxt = doc.xpathNewContext()
libxml2.registerXPathFunction(ctxt._o, "foo", None, foo)
res = ctxt.xpathEval("foo('hello')")
if type(res) != type([]):
print("Failed to return a nodeset")
sys.exit(1)
if len(res) != 1:
print("Unexpected nodeset size")
sys.exit(1)
node = res[0]
if node.name != 'p':
print("Unexpected nodeset element result")
sys.exit(1)
node = node.children
if node.type != 'text':
print("Unexpected nodeset element children type")
sys.exit(1)
