From a04f3f45fe4b03ede4f1f89b7610e50714e347b6 Mon Sep 17 00:00:00 2001
From: Jeremy Lainé <jeremy.laine@m4x.org>
Date: Fri, 12 Feb 2010 10:09:33 +0000
Subject: make it possible to attach an extension element to messages and
 presences

---
 source/QXmppElement.cpp |  6 ++++++
 source/QXmppMessage.cpp |  1 +
 source/QXmppStanza.cpp  | 10 ++++++++++
 source/QXmppStanza.h    |  6 +++++-
 source/QXmppStream.cpp  |  9 +++++++++
 5 files changed, 31 insertions(+), 1 deletion(-)

(limited to 'source')

diff --git a/source/QXmppElement.cpp b/source/QXmppElement.cpp
index a793a999..2dcb87ad 100644
--- a/source/QXmppElement.cpp
+++ b/source/QXmppElement.cpp
@@ -32,6 +32,9 @@ QXmppElement::QXmppElement()
 
 QXmppElement::QXmppElement(const QDomElement &element)
 {
+    if (element.isNull())
+        return;
+
     m_tagName = element.tagName();
     QString xmlns = element.namespaceURI();
     QString parentns = element.parentNode().namespaceURI();
@@ -94,6 +97,9 @@ void QXmppElement::setTagName(const QString &tagName)
 
 void QXmppElement::toXml(QXmlStreamWriter *writer) const
 {
+    if (isNull())
+        return;
+
     writer->writeStartElement(m_tagName);
     foreach (const QString &attr, m_attributes.keys())
         helperToXmlAddAttribute(writer, attr, m_attributes.value(attr));
diff --git a/source/QXmppMessage.cpp b/source/QXmppMessage.cpp
index 65c5de7f..9fb0037b 100644
--- a/source/QXmppMessage.cpp
+++ b/source/QXmppMessage.cpp
@@ -123,6 +123,7 @@ void QXmppMessage::toXml(QXmlStreamWriter *xmlWriter) const
     if (!getThread().isEmpty())
         helperToXmlAddTextElement(xmlWriter,"thread", getThread());
     getError().toXml(xmlWriter);
+    getExtension().toXml(xmlWriter);
     xmlWriter->writeEndElement();
 }
 
diff --git a/source/QXmppStanza.cpp b/source/QXmppStanza.cpp
index c78aeed8..5c5fadbe 100644
--- a/source/QXmppStanza.cpp
+++ b/source/QXmppStanza.cpp
@@ -315,6 +315,16 @@ void QXmppStanza::setError(QXmppStanza::Error& error)
     m_error = error;
 }
 
+QXmppElement QXmppStanza::getExtension() const
+{
+    return m_extension;
+}
+
+void QXmppStanza::setExtension(const QXmppElement &extension)
+{
+    m_extension = extension;
+}
+
 bool QXmppStanza::isErrorStanza()
 {
     return !(m_error.getTypeStr().isEmpty() && 
diff --git a/source/QXmppStanza.h b/source/QXmppStanza.h
index 8546aea8..05ccf024 100644
--- a/source/QXmppStanza.h
+++ b/source/QXmppStanza.h
@@ -25,6 +25,7 @@
 #ifndef QXMPPSTANZA_H
 #define QXMPPSTANZA_H
 
+#include "QXmppElement.h"
 #include "QXmppPacket.h"
 #include <QString>
 
@@ -105,13 +106,15 @@ public:
     QString getId() const;    
     QString getLang() const;    
     QXmppStanza::Error getError() const;    
+    QXmppElement getExtension() const;
 
     void setTo(const QString&);  
     void setFrom(const QString&);
     void setId(const QString&);
     void generateAndSetNextId();
     void setLang(const QString&);
-    void setError(QXmppStanza::Error& error);    
+    void setError(QXmppStanza::Error& error);
+    void setExtension(const QXmppElement &element);
     bool isErrorStanza();
 
 private:
@@ -121,6 +124,7 @@ private:
     QString m_id;    
     QString m_lang;
     QXmppStanza::Error m_error;
+    QXmppElement m_extension;
 };
 
 #endif // QXMPPSTANZA_H
diff --git a/source/QXmppStream.cpp b/source/QXmppStream.cpp
index f0b9f91c..4c6321dc 100644
--- a/source/QXmppStream.cpp
+++ b/source/QXmppStream.cpp
@@ -674,6 +674,10 @@ void QXmppStream::parser(const QByteArray& data)
                         presence.setError(error);
                     }
 
+                    QDomElement xElement = nodeRecv.firstChildElement("x");
+                    if(!xElement.isNull())
+                        presence.setExtension(QXmppElement(xElement));
+
                     processPresence(presence);
                 }
                 else if(nodeRecv.tagName() == "message")
@@ -697,6 +701,11 @@ void QXmppStream::parser(const QByteArray& data)
                         QXmppStanza::Error error = parseStanzaError(errorElement);
                         message.setError(error);
                     }
+
+                    QDomElement xElement = nodeRecv.firstChildElement("x");
+                    if(!xElement.isNull())
+                        message.setExtension(QXmppElement(xElement));
+
                     processMessage(message);
                 }
             }
-- 
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