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Creating QDomDocument in Qt

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This code snippet demonstrates how to use <tt>QDomDocument</tt> to represent an XML document.
 
This code snippet demonstrates how to use <tt>QDomDocument</tt> to represent an XML document.
  
'''Note''': In order to use this code, you need to have Qt for S60 installed on your platform.
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'''Note''': In order to use this code, you need to have Qt for Symbian installed on your platform.
  
  
 
==Preconditions==
 
==Preconditions==
  
* Install latest Qt for S60 see [http://wiki.forum.nokia.com/index.php/Qt_for_S60_-_Installation_packages Qt for S60 - Installation packages]
+
* Install latest Qt for Symbian see [[Qt_for_Symbian_-_Installation_packages|Qt for Symbian - Installation packages]]
 
* Check this link for installation guide: [http://pepper.troll.no/s60prereleases/doc/install-s60.html How to install the package].
 
* Check this link for installation guide: [http://pepper.troll.no/s60prereleases/doc/install-s60.html How to install the package].
* Go through this article: [[Getting started with Qt for S60]]
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* Go through this article: [[Getting started with Qt for Symbian]]
  
  

Revision as of 16:56, 5 May 2010

Template:KBCS

Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 3rd Edition, FP1, FP2
S60 5th Edition
Symbian
Article
Keywords: QDomDocument, QDomElement
Created: (16 Jun 2009)
Last edited: kiran10182 (05 May 2010)

Contents

Overview

This code snippet demonstrates how to use QDomDocument to represent an XML document.

Note: In order to use this code, you need to have Qt for Symbian installed on your platform.


Preconditions


Header

#include <QDomDocument>
#include <QNetworkReply>
#include <QFile>


Create QDomDocument

From file:

QDomDocument doc("mydocument");
QFile file("mydocument.xml");
if (!file.open(QIODevice::ReadOnly))
return;
if (!doc.setContent(&file)) {
file.close();
return;
}
file.close();

From HTTP reply QNetworkReply:

QDomDocument* createDom(QNetworkReply* reply)
{
QDomDocument* doc = new QDomDocument();
doc->setContent(reply);
return doc;
}


Getting data from QDomDocument

Example XML document:

<person>
<id>1</id>
<firstname>John</firstname>
<lastname>Smith</lastname>
</person>

Getting data from QDomDocument:

QDomElement root = domDocument->documentElement();
 
if (root.tagName() == "person")
{
qDebug() << root.firstChildElement("id").text();
qDebug() << root.firstChildElement("firstname").text();
qDebug() << root.firstChildElement("lastname").text();
// TODO: Store data, this code only debugs data into log
}


See also


Postconditions

QDomDocument is created and data is parsed.

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