/****************************************************************************+
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**+
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** Copyright (C) 2009 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 Qt Linguist 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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#ifndef PROITEMS_H+
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#define PROITEMS_H+
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+
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#include <QtCore/QString>+
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#include <QtCore/QList>+
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+
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QT_BEGIN_NAMESPACE+
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+
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struct AbstractProItemVisitor;+
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+
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class ProItem+
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{+
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public:+
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    enum ProItemKind {+
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        ValueKind,+
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        FunctionKind,+
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        ConditionKind,+
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        OperatorKind,+
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        BlockKind+
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    };+
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+
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    enum ProItemReturn {+
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        ReturnFalse,+
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        ReturnTrue,+
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        ReturnBreak,+
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        ReturnNext,+
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        ReturnLoop,+
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        ReturnSkip,+
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        ReturnReturn+
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   };+
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+
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    ProItem() : m_lineNumber(0) {}+
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    virtual ~ProItem() {}+
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+
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    virtual ProItemKind kind() const = 0;+
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+
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    void setComment(const QString &comment);+
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    QString comment() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor) = 0;+
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    int lineNumber() const { return m_lineNumber; }+
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    void setLineNumber(int lineNumber) { m_lineNumber = lineNumber; }+
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+
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private:+
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    QString m_comment;+
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    int m_lineNumber;+
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};+
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+
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class ProBlock : public ProItem+
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{+
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public:+
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    enum ProBlockKind {+
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        NormalKind          = 0x00,+
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        ScopeKind           = 0x01,+
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        ScopeContentsKind   = 0x02,+
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        VariableKind        = 0x04,+
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        ProFileKind         = 0x08,+
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        FunctionBodyKind    = 0x10,+
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        SingleLine          = 0x80+
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    };+
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+
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    ProBlock(ProBlock *parent);+
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    ~ProBlock();+
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+
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    void appendItem(ProItem *proitem);+
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    void setItems(const QList<ProItem *> &proitems);+
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    QList<ProItem *> items() const;+
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+
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    void setBlockKind(int blockKind);+
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    int blockKind() const;+
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+
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    void setParent(ProBlock *parent);+
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    ProBlock *parent() const;+
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+
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    void ref() { ++m_refCount; }+
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    void deref() { if (!--m_refCount) delete this; }+
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+
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    ProItem::ProItemKind kind() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);+
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protected:+
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    QList<ProItem *> m_proitems;+
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private:+
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    ProBlock *m_parent;+
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    int m_blockKind;+
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    int m_refCount;+
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};+
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+
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class ProVariable : public ProBlock+
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{+
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public:+
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    enum VariableOperator {+
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        AddOperator         = 0,+
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        RemoveOperator      = 1,+
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        ReplaceOperator     = 2,+
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        SetOperator         = 3,+
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        UniqueAddOperator   = 4+
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    };+
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+
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    ProVariable(const QString &name, ProBlock *parent);+
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+
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    void setVariableOperator(VariableOperator variableKind);+
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    VariableOperator variableOperator() const;+
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+
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    void setVariable(const QString &name);+
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    QString variable() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);+
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private:+
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    VariableOperator m_variableKind;+
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    QString m_variable;+
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};+
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+
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class ProValue : public ProItem+
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{+
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public:+
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    ProValue(const QString &value, ProVariable *variable);+
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+
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    void setValue(const QString &value);+
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    QString value() const;+
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+
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    void setVariable(ProVariable *variable);+
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    ProVariable *variable() const;+
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+
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    ProItem::ProItemKind kind() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);+
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private:+
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    QString m_value;+
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    ProVariable *m_variable;+
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};+
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+
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class ProFunction : public ProItem+
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{+
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public:+
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    explicit ProFunction(const QString &text);+
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+
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    void setText(const QString &text);+
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    QString text() const;+
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+
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    ProItem::ProItemKind kind() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);+
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private:+
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    QString m_text;+
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};+
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+
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class ProCondition : public ProItem+
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{+
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public:+
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    explicit ProCondition(const QString &text);+
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+
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    void setText(const QString &text);+
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    QString text() const;+
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+
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    ProItem::ProItemKind kind() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);+
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private:+
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    QString m_text;+
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};+
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+
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class ProOperator : public ProItem+
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{+
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public:+
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    enum OperatorKind {+
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        OrOperator      = 1,+
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        NotOperator     = 2+
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    };+
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+
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    explicit ProOperator(OperatorKind operatorKind);+
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+
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    void setOperatorKind(OperatorKind operatorKind);+
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    OperatorKind operatorKind() const;+
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+
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    ProItem::ProItemKind kind() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);+
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private:+
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    OperatorKind m_operatorKind;+
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};+
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+
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class ProFile : public ProBlock+
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{+
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public:+
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    explicit ProFile(const QString &fileName);+
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    ~ProFile();+
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+
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    QString displayFileName() const;+
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    QString fileName() const;+
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    QString directoryName() const;+
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+
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    void setModified(bool modified);+
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    bool isModified() const;+
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+
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    virtual ProItemReturn Accept(AbstractProItemVisitor *visitor);+
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+
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private:+
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    QString m_fileName;+
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    QString m_displayFileName;+
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    QString m_directoryName;+
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    bool m_modified;+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif // PROITEMS_H+
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