diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/utils/qxpathhelper.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xmlpatterns/utils/qxpathhelper.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** 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 <QStringList>
+
+#include "private/qxmlutils_p.h"
+#include "qbuiltintypes_p.h"
+#include "qcommonvalues_p.h"
+#include "qnamepool_p.h"
+
+#include "qxpathhelper_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+bool XPathHelper::isReservedNamespace(const QXmlName::NamespaceCode ns)
+{
+    /* The order is because of that XFN and WXS are the most common. */
+    return ns == StandardNamespaces::fn     ||
+           ns == StandardNamespaces::xs     ||
+           ns == StandardNamespaces::xml    ||
+           ns == StandardNamespaces::xsi;
+}
+
+bool XPathHelper::isQName(const QString &qName)
+{
+    const QStringList result(qName.split(QLatin1Char(':')));
+    const int c = result.count();
+
+    if(c == 2)
+    {
+        return QXmlUtils::isNCName(result.first()) &&
+               QXmlUtils::isNCName(result.last());
+    }
+    else if(c == 1)
+        return QXmlUtils::isNCName(result.first());
+    else
+        return false;
+}
+
+void XPathHelper::splitQName(const QString &qName, QString &prefix, QString &ncName)
+{
+    Q_ASSERT_X(isQName(qName), Q_FUNC_INFO,
+               "qName must be a valid QName.");
+
+    const QStringList result(qName.split(QLatin1Char(':')));
+
+    if(result.count() == 1)
+    {
+        Q_ASSERT(QXmlUtils::isNCName(result.first()));
+        ncName = result.first();
+    }
+    else
+    {
+        Q_ASSERT(result.count() == 2);
+        Q_ASSERT(QXmlUtils::isNCName(result.first()));
+        Q_ASSERT(QXmlUtils::isNCName(result.last()));
+
+        prefix = result.first();
+        ncName = result.last();
+    }
+}
+
+ItemType::Ptr XPathHelper::typeFromKind(const QXmlNodeModelIndex::NodeKind nodeKind)
+{
+    switch(nodeKind)
+    {
+        case QXmlNodeModelIndex::Element:
+            return BuiltinTypes::element;
+        case QXmlNodeModelIndex::Attribute:
+            return BuiltinTypes::attribute;
+        case QXmlNodeModelIndex::Text:
+            return BuiltinTypes::text;
+        case QXmlNodeModelIndex::ProcessingInstruction:
+            return BuiltinTypes::pi;
+        case QXmlNodeModelIndex::Comment:
+            return BuiltinTypes::comment;
+        case QXmlNodeModelIndex::Document:
+            return BuiltinTypes::document;
+        default:
+        {
+            Q_ASSERT_X(false, Q_FUNC_INFO,
+                       "A node type that doesn't exist in the XPath Data Model was encountered.");
+            return ItemType::Ptr(); /* Dummy, silence compiler warning. */
+        }
+    }
+}
+
+QUrl XPathHelper::normalizeQueryURI(const QUrl &uri)
+{
+    Q_ASSERT_X(uri.isEmpty() || uri.isValid(), Q_FUNC_INFO,
+               "The URI passed to QXmlQuery::setQuery() must be valid or empty.");
+    if(uri.isEmpty())
+        return QUrl::fromLocalFile(QCoreApplication::applicationFilePath());
+    else if(uri.isRelative())
+        return QUrl::fromLocalFile(QCoreApplication::applicationFilePath()).resolved(uri);
+    else
+        return uri;
+}
+
+QT_END_NAMESPACE