/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Nokia Corporation and its Subsidiary(-ies) 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
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
QDomDocument doc;
QDomImplementation impl;
// 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);
QDomElement elt1 = doc.createElement("foo~bar");
// This will create an element with the tag name "foobar".
impl.setInvalidDataPolicy(QDomImplementation::DropInvalidData);
QDomElement elt2 = doc.createElement("foo~bar");
// This will create a null element.
impl.setInvalidDataPolicy(QDomImplementation::ReturnNullNode);
QDomElement elt3 = doc.createElement("foo~bar");
//! [0]
//! [1]
QDomDocument d;
d.setContent(someXML);
QDomNode n = d.firstChild();
while (!n.isNull()) {
if (n.isElement()) {
QDomElement e = n.toElement();
cout << "Element name: " << e.tagName() << endl;
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]
QDomElement e = //...
//...
QDomAttr a = e.attributeNode("href");
cout << a.value() << endl; // prints "http://qt.nokia.com"
a.setValue("http://qt.nokia.com/doc"); // change the node's attribute
QDomAttr a2 = e.attributeNode("href");
cout << a2.value() << endl; // prints "http://qt.nokia.com/doc"
//! [8]
//! [9]
QDomElement e = //...
//...
QString s = e.text()
//! [9]
//! [10]
QString text;
QDomElement element = doc.documentElement();
for(QDomNode n = element.firstChild(); !n.isNull(); n = n.nextSibling())
{
QDomText t = n.toText();
if (!t.isNull())
text += t.data();
}
//! [10]
//! [11]
QDomDocument doc = // ...
QDomElement root = doc.firstChildElement("database");
QDomElement elt = root.firstChildElement("entry");
for (; !elt.isNull(); elt = elt.nextSiblingElement("entry")) {
// ...
}
//! [11]
//! [12]
//! [12]
//! [13]
Hello Qt ]]>
//! [13]
//! [14]
Hello Qt
//! [14]
//! [15]
//! [15]
//! [16]
QDomDocument doc("mydocument");
QFile file("mydocument.xml");
if (!file.open(QIODevice::ReadOnly))
return;
if (!doc.setContent(&file)) {
file.close();
return;
}
file.close();
// print out the element names of all elements that are direct children
// of the outermost element.
QDomElement docElem = doc.documentElement();
QDomNode n = docElem.firstChild();
while(!n.isNull()) {
QDomElement e = n.toElement(); // try to convert the node to an element.
if(!e.isNull()) {
cout << qPrintable(e.tagName()) << endl; // the node really is an element.
}
n = n.nextSibling();
}
// Here we append a new element to the end of the document
QDomElement elem = doc.createElement("img");
elem.setAttribute("src", "myimage.png");
docElem.appendChild(elem);
//! [16]
//! [17]
QDomDocument doc("MyML");
QDomElement root = doc.createElement("MyML");
doc.appendChild(root);
QDomElement tag = doc.createElement("Greeting");
root.appendChild(tag);
QDomText t = doc.createTextNode("Hello World");
tag.appendChild(t);
QString xml = doc.toString();
//! [17]
//! [12]
//! [13]