add support for "nil" in XML-RPC

3 files changed, 15 insertions, 2 deletions

diff --git a/example/tests/tests.cpp b/example/tests/tests.cpp
index 86c6d4c9..de48ef62 100644
--- a/example/tests/tests.cpp
+++ b/example/tests/tests.cpp
@@ -377,6 +377,12 @@ void TestXmlRpc::testInt()
                  QByteArray("<value><i4>-12</i4></value>"));
 }
 
+void TestXmlRpc::testNil()
+{
+    checkVariant(QVariant(),
+                 QByteArray("<value><nil/></value>"));
+}
+
 void TestXmlRpc::testString()
 {
     checkVariant(QString("hello world"),
diff --git a/example/tests/tests.h b/example/tests/tests.h
index d7367628..7e50cf1c 100644
--- a/example/tests/tests.h
+++ b/example/tests/tests.h
@@ -69,6 +69,7 @@ private slots:
     void testDateTime();
     void testDouble();
     void testInt();
+    void testNil();
     void testString();
 
     void testArray();
diff --git a/source/xmlrpc.cpp b/source/xmlrpc.cpp
index e64a0620..59e61a79 100644
--- a/source/xmlrpc.cpp
+++ b/source/xmlrpc.cpp
@@ -66,9 +66,11 @@ void XMLRPC::marshall( QXmlStreamWriter *writer, const QVariant &value)
         }
         default:
         {
-            if( value.canConvert(QVariant::String) )
+            if (value.isNull())
+                writer->writeEmptyElement("nil");
+            else if( value.canConvert(QVariant::String) )
             {
-                writer->writeTextElement( "string", value.toString() );
+                writer->writeTextElement("string", value.toString() );
             }
             break;
         }
@@ -92,6 +94,10 @@ QVariant XMLRPC::demarshall(const QDomElement &elem, QStringList &errors)
     const QDomElement typeData = elem.firstChild().toElement();
     const QString typeName = typeData.tagName().toLower();
 
+    if (typeName == "nil")
+    {
+        return QVariant();
+    }
     if ( typeName == "string" )
     {
         return QVariant( typeData.text() );