Long live Qt 4.5!

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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_ContextFNs_H
+#define Patternist_ContextFNs_H
+
+#include "qfunctioncall_p.h"
+
+/**
+ * @file
+ * @short Contains classes implementing the functions found in
+ * <a href="http://www.w3.org/TR/xpath-functions/#context">XQuery 1.0 and
+ * XPath 2.0 Functions and Operators, 16 Context Functions</a>.
+ *
+ * @ingroup Patternist_functions
+ */
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternist
+{
+    /**
+     * @short Implements the function <tt>fn:position()</tt>.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-position">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.1 fn:position</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class PositionFN : public FunctionCall
+    {
+    public:
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+    };
+
+    /**
+     * @short Implements the function <tt>fn:last()</tt>.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-last">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.2 fn:last</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class LastFN : public FunctionCall
+    {
+    public:
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+    };
+
+    /**
+     * @short Implements the function <tt>fn:implicit-timezone()</tt>.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-implicit-timezone">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.6 fn:implicit-timezone</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class ImplicitTimezoneFN : public FunctionCall
+    {
+    public:
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+    };
+
+    /**
+     * @short Implements the function <tt>fn:current-dateTime()</tt>.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-dateTime">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.3 fn:current-dateTime</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class CurrentDateTimeFN : public FunctionCall
+    {
+    public:
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+    };
+
+    /**
+     * @short Implements the function <tt>fn:current-date()</tt>.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-date">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.4 fn:current-date</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class CurrentDateFN : public FunctionCall
+    {
+    public:
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+    };
+
+    /**
+     * @short Implements the function <tt>fn:current-time()</tt>.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-time">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.5 fn:current-date</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class CurrentTimeFN : public FunctionCall
+    {
+    public:
+        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
+    };
+
+    /**
+     * @short Implements the function <tt>fn:default-collation()</tt>.
+     *
+     * This is done by rewriting to StaticContext::defaultCollation() at the typeCheck() stage.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-default-collation">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.7 fn:default-collation</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class DefaultCollationFN : public FunctionCall
+    {
+    public:
+        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
+                                          const SequenceType::Ptr &reqType);
+    };
+
+    /**
+     * @short Implements the function <tt>fn:static-base-uri()</tt>.
+     *
+     * This is done by rewriting to StaticContext::baseURI() at the typeCheck() stage.
+     *
+     * @see <a href="http://www.w3.org/TR/xpath-functions/#func-static-base-uri">XQuery 1.0
+     * and XPath 2.0 Functions and Operators, 16.8 fn:static-base-uri</a>
+     * @ingroup Patternist_functions
+     * @author Frans Englich <fenglich@trolltech.com>
+     */
+    class StaticBaseURIFN : public FunctionCall
+    {
+    public:
+        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
+                                          const SequenceType::Ptr &reqType);
+    };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif