/****************************************************************************+
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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_TemplatePattern_H+
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#define Patternist_TemplatePattern_H+
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+
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#include "qtemplate_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 Houses the data necessary for a template pattern.+
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     *+
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     * A template pattern is the match pattern, but have had each operand to @c+
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     * | separated out into a separate TemplatePattern. For instance, the+
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     * pattern <tt>a | b | c</tt>, becomes three separate TemplatePattern+
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     * instances.+
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     *+
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     * @see TemplateMode+
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     * @see Template+
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     * @author Frans Englich <frans.englich@nokia.com>+
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     * @ingroup Patternist_expressions+
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     * @since 4.5+
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     */+
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    class TemplatePattern : public QSharedData+
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    {+
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    public:+
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        typedef QExplicitlySharedDataPointer<TemplatePattern> Ptr;+
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        typedef QVector<Ptr> Vector;+
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        typedef int ID;+
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+
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        inline TemplatePattern(const Expression::Ptr &matchPattern,+
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                               const PatternPriority pri,+
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                               const ID id,+
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                               const Template::Ptr templ);+
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+
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        inline PatternPriority priority() const;+
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        inline const Expression::Ptr &matchPattern() const;+
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        inline void setMatchPattern(const Expression::Ptr &pattern);+
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        inline const Template::Ptr &templateTarget() const;+
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        inline ID id() const;+
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+
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        /**+
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         * This ID is used to ensure that, as 6.4 Conflict Resolution for+
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         * Template Rules reads:+
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         *+
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         * "If the pattern contains multiple alternatives separated by |, then+
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         * the template rule is treated equivalently to a set of template+
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         * rules, one for each alternative. However, it is not an error if a+
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         * node matches more than one of the alternatives."+
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         *+
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         * For patterns separated by @c |, we have one Template instance for+
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         * each alternative, but they all have the same ID, hence if several+
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         * alternatives match, we don't flag it as an error if they have the+
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         * same ID.+
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         */+
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    private:+
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        Expression::Ptr m_matchPattern;+
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        PatternPriority m_priority;+
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        ID              m_id;+
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        Template::Ptr   m_templateTarget;+
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        Q_DISABLE_COPY(TemplatePattern)+
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    };+
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+
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    TemplatePattern::TemplatePattern(const Expression::Ptr &matchPattern,+
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                                     const PatternPriority pri,+
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                                     const ID id,+
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                                     const Template::Ptr templ) : m_matchPattern(matchPattern)+
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                                                                , m_priority(pri)+
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                                                                , m_id(id)+
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                                                                , m_templateTarget(templ)+
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+
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    {+
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        Q_ASSERT(m_matchPattern);+
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        Q_ASSERT(m_templateTarget);+
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    }+
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+
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    const Expression::Ptr &TemplatePattern::matchPattern() const+
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    {+
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        return m_matchPattern;+
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    }+
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+
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    void TemplatePattern::setMatchPattern(const Expression::Ptr &pattern)+
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    {+
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        m_matchPattern = pattern;+
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    }+
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+
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    PatternPriority TemplatePattern::priority() const+
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    {+
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        return m_priority;+
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    }+
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+
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    TemplatePattern::ID TemplatePattern::id() const+
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    {+
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        return m_id;+
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    }+
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+
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    const Template::Ptr &TemplatePattern::templateTarget() const+
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    {+
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        return m_templateTarget;+
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    }+
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+
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}+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif+
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+
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