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** This file is part of the documentation of Qt for Python.
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//! [0]
doc = QDomDocument()
impl = QDomImplementation()
# This will create the element, but the resulting XML document will
# be invalid, because '~' is not a valid character in a tag name.
impl.setInvalidDataPolicy(QDomImplementation.AcceptInvalidData)
elt1 = doc.createElement("foo~bar")
# This will create an element with the tag name "foobar".
impl.setInvalidDataPolicy(QDomImplementation.DropInvalidData)
elt2 = doc.createElement("foo~bar")
# This will create a null element.
impl.setInvalidDataPolicy(QDomImplementation::ReturnNullNode)
elt3 = doc.createElement("foo~bar")
//! [0]
//! [1]
d = QDomDocument()
d.setContent(someXML)
n = d.firstChild()
while !n.isNull():
if n.isElement():
e = n.toElement()
print "Element name: %s" % e.tagName()
break
n = n.nextSibling()
//! [1]
//! [2]
QDomDocument document
QDomElement element1 = document.documentElement()
QDomElement element2 = element1
//! [2]
//! [3]
QDomElement element3 = document.createElement("MyElement")
QDomElement element4 = document.createElement("MyElement")
//! [3]
//! [4]
Heading
Hello you
//! [4]
//! [5]
Heading
The text...
Next heading
//! [5]
//! [6]
Heading
The text...
Next heading
//! [6]
//! [7]
//! [7]
//! [8]
e = # some QDomElement...
#...
a = e.attributeNode("href")
print a.value() # prints "http://qt-project.org.com"
a.setValue("http://qt-project.org/doc") # change the node's attribute
a2 = e.attributeNode("href")
print a2.value() # prints "http://qt-project.org/doc"
//! [8]
//! [9]
e = # some QDomElement...
#...
s = e.text()
//! [9]
//! [10]
text = QString()
element = doc.documentElement()
n = element.firstChild()
while True:
if not n.isNull()
break
t = n.toText()
if !t.isNull():
text += t.data()
n = n.nextSibling()
//! [10]
//! [11]
doc = # some QDomDocument ...
root = doc.firstChildElement("database")
elt = root.firstChildElement("entry")
while True:
if not elt.isNull():
break
# ...
elt = elt.nextSiblingElement("entry")
//! [11]
//! [12]
//! [12]
//! [13]
Hello Qt ]]>
//! [13]
//! [14]
Hello Qt
//! [14]
//! [15]
//! [15]
//! [16]
doc = QDomDocument("mydocument")
file = QFile("mydocument.xml")
if not file.open(QIODevice::ReadOnly):
return
if not doc.setContent(&file):
file.close()
return
file.close()
# print out the element names of all elements that are direct children
# of the outermost element.
docElem = doc.documentElement()
n = docElem.firstChild()
while not n.isNull():
e = n.toElement() # try to convert the node to an element.
if not e.isNull():
print e.tagName() # the node really is an element.
n = n.nextSibling()
}
# Here we append a new element to the end of the document
elem = doc.createElement("img")
elem.setAttribute("src", "myimage.png")
docElem.appendChild(elem)
//! [16]
//! [17]
doc = QDomDocument("MyML")
root = doc.createElement("MyML")
doc.appendChild(root)
tag = doc.createElement("Greeting")
root.appendChild(tag)
t = doc.createTextNode("Hello World")
tag.appendChild(t)
xml = doc.toString()
//! [17]
//! [12]
//! [13]