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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of Qt for Python.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [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]
+<body>
+<h1>Heading</h1>
+<p>Hello <b>you</b></p>
+</body>
+//! [4]
+
+
+//! [5]
+<h1>Heading</h1>
+<p>The text...</p>
+<h2>Next heading</h2>
+//! [5]
+
+
+//! [6]
+<h1>Heading</h1>
+<p>The text...</p>
+<h2>Next heading</h2>
+//! [6]
+
+
+//! [7]
+<link href="http://qt-project.org" color="red" />
+//! [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]
+<img src="myimg.png">
+//! [12]
+
+
+//! [13]
+<h1>Hello <b>Qt</b> <![CDATA[<xml is cool>]]></h1>
+//! [13]
+
+
+//! [14]
+Hello Qt <xml is cool>
+//! [14]
+
+
+//! [15]
+<!-- this is a comment -->
+//! [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]