/**************************************************************************** ** ** Copyright (C) 2011 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 ** 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] 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]