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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef Patternist_Template_H
+#define Patternist_Template_H
+
+#include <QSharedData>
+#include <QVector>
+
+#include "qdynamiccontext_p.h"
+#include "qexpression_p.h"
+#include "qsourcelocationreflection_p.h"
+#include "qtemplateinvoker_p.h"
+#include "qvariabledeclaration_p.h"
+
+QT_BEGIN_HEADER
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Contains data related to a template.
+     *
+     * A Template is associated with a mode, by being housed
+     * inside a TemplateMode instance.
+     *
+     * Template has role very similar to UserFunction.
+     *
+     * @see TemplateMode
+     * @see TemplatePattern
+     * @see UserFunction
+     * @author Frans Englich <fenglich@trolltech.com>
+     * @ingroup Patternist_expressions
+     * @since 4.5
+     */
+    class Template : public QSharedData
+                   , public SourceLocationReflection
+
+    {
+    public:
+        typedef QExplicitlySharedDataPointer<Template> Ptr;
+        typedef QVector<Template::Ptr> Vector;
+
+        inline Template(const ImportPrecedence ip,
+                        const SequenceType::Ptr &reqType) : importPrecedence(ip)
+                                                          , m_reqType(reqType)
+        {
+        }
+
+        Expression::Ptr body;
+
+        /**
+         * Returns @c this.
+         */
+        virtual const SourceLocationReflection* actualReflection() const;
+
+        const ImportPrecedence importPrecedence;
+
+        VariableDeclaration::List templateParameters;
+
+        /**
+         * If @p isCallTemplate, the caller is @c xsl:call-template, as opposed
+         * to for instance @c xsl:apply-templates. This affects error
+         * reporting.
+         */
+        DynamicContext::Ptr createContext(const TemplateInvoker *const invoker,
+                                         const DynamicContext::Ptr &context,
+                                         const bool isCallTemplate) const;
+
+        /**
+         * Since we have our template parameters in templateParameters, we need
+         * this separate step to do the regular phases:
+         * Expression::typeCheck(), and Expression::compress().
+         */
+        void compileParameters(const StaticContext::Ptr &context);
+
+        /**
+         * A value which takes into account the body and its template
+         * parameters.
+         */
+        Expression::Properties properties() const;
+
+        Expression::Properties dependencies() const;
+
+        static void raiseXTSE0680(const ReportContext::Ptr &context,
+                                  const QXmlName &name,
+                                  const SourceLocationReflection *const reflection);
+
+    private:
+        DynamicContext::TemplateParameterHash parametersAsHash() const;
+        const SequenceType::Ptr m_reqType;
+    };
+}
+
+QT_END_NAMESPACE
+QT_END_HEADER
+
+#endif