/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists purely as an+
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// implementation detail.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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+
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#ifndef Patternist_ApplyTemplate_H+
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#define Patternist_ApplyTemplate_H+
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+
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#include "qtemplatemode_p.h"+
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+
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QT_BEGIN_HEADER+
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QT_BEGIN_NAMESPACE+
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+
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namespace QPatternist+
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{+
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    /**+
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     * @short When combined with other components, implements+
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     * @c xsl:apply-templates.+
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     *+
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     * Note that ApplyTemplate isn't named ApplyTemplates. The reason for this+
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     * is that ApplyTemplate doesn't do the iteration part. An @c+
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     * <xsl:apply-templates/> instruction is rewritten into:+
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     *+
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     * @code+
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     * child::node/() map apply-template()+
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     * @endcode+
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     *+
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     * Hence, this expression requires a focus, although it can consist of+
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     * atomic values.+
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     *+
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     * @since 4.5+
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     * @author Frans Englich <frans.englich@nokia.com>+
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     * @ingroup Patternist_expressions+
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     */+
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    class ApplyTemplate : public TemplateInvoker+
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    {+
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    public:+
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        typedef QExplicitlySharedDataPointer<ApplyTemplate> Ptr;+
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+
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        /**+
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         * @short @p mode may be @c null. If it is, ApplyTemplate interprets+
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         * that as that it should use the #current mode.+
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         *+
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         * @see StaticContext::currentTemplateMode()+
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         */+
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        ApplyTemplate(const TemplateMode::Ptr &mode,+
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                      const WithParam::Hash &withParams,+
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                      const TemplateMode::Ptr &defaultMode);+
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+
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        virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;+
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+
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        virtual SequenceType::Ptr staticType() const;+
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        virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;+
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        virtual Properties properties() const;+
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+
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        /**+
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         * The only reason this function exists, is in order to convert+
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         * QXmlNodeModelIndex to QPatternist::Item. So, this is a huge+
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         * performance setback. It applies for one of the builtin templates.+
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         */+
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        inline Item mapToItem(const QXmlNodeModelIndex &node,+
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                              const DynamicContext::Ptr &context) const;+
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        inline Item::Iterator::Ptr mapToSequence(const Item &item,+
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                                                 const DynamicContext::Ptr &context) const;+
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+
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        inline TemplateMode::Ptr mode() const;+
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+
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        virtual bool configureRecursion(const CallTargetDescription::Ptr &sign);+
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        virtual Expression::Ptr body() const;+
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        virtual CallTargetDescription::Ptr callTargetDescription() const;+
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+
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        Expression::Ptr compress(const StaticContext::Ptr &context);+
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+
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    private:+
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        typedef QExplicitlySharedDataPointer<const ApplyTemplate> ConstPtr;+
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+
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        Template::Ptr findTemplate(const DynamicContext::Ptr &context,+
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                                   const TemplateMode::Ptr &templateMode) const;+
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        /**+
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         * @note You typically want to use effectiveMode().+
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         */+
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        const TemplateMode::Ptr m_mode;+
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+
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        TemplateMode::Ptr m_defaultMode;+
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+
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        inline TemplateMode::Ptr effectiveMode(const DynamicContext::Ptr &context) const;+
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    };+
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+
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    TemplateMode::Ptr ApplyTemplate::mode() const+
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    {+
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        return m_mode;+
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    }+
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}+
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+
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QT_END_NAMESPACE+
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QT_END_HEADER+
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+
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#endif+
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