--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/functions/qfunctionfactory.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtXmlPatterns module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qfunctionsignature_p.h"
+
+#include "qfunctionfactory_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+FunctionFactory::~FunctionFactory()
+{
+}
+
+bool FunctionFactory::isAvailable(const NamePool::Ptr &np,
+                                  const QXmlName name, const xsInteger arity)
+{
+    const FunctionSignature::Ptr sign(retrieveFunctionSignature(np, name));
+
+    if(sign)
+        return arity == FunctionSignature::UnlimitedArity || sign->isArityValid(arity);
+    else
+        return false;
+}
+
+bool FunctionFactory::hasSignature(const FunctionSignature::Ptr &signature) const
+{
+    const FunctionSignature::Hash signs(functionSignatures());
+    const FunctionSignature::Hash::const_iterator end(signs.constEnd());
+    FunctionSignature::Hash::const_iterator it(signs.constBegin());
+
+    for(; it != end; ++it)
+    {
+        if(*(*it) == *signature)
+            return true;
+    }
+
+    return false;
+}
+QT_END_NAMESPACE