/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#ifndef QDOCINDEXFILES_H
#define QDOCINDEXFILES_H

#include "node.h"
#include "tree.h"

QT_BEGIN_NAMESPACE

class Atom;
class Generator;
class QStringList;
class QDocDatabase;
class WebXMLGenerator;
class QXmlStreamWriter;
class QXmlStreamAttributes;

// A callback interface for extending index sections
class IndexSectionWriter
{
public:
    virtual ~IndexSectionWriter() {}
    virtual void append(QXmlStreamWriter &writer, Node *node) = 0;
};

class QDocIndexFiles
{
    friend class QDocDatabase;
    friend class WebXMLGenerator; // for using generateIndexSections()

 private:
    static QDocIndexFiles* qdocIndexFiles();
    static void destroyQDocIndexFiles();

    QDocIndexFiles();
    ~QDocIndexFiles();

    void readIndexes(const QStringList& indexFiles);
    void readIndexFile(const QString& path);
    void readIndexSection(QXmlStreamReader &reader, Node* current, const QString& indexUrl);
    void insertTarget(TargetRec::TargetType type, const QXmlStreamAttributes &attributes, Node *node);
    void resolveIndex();

    void generateIndex(const QString &fileName, const QString &url, const QString &title, Generator *g);
    void generateFunctionSection(QXmlStreamWriter &writer, FunctionNode *fn);
    void generateFunctionSections(QXmlStreamWriter &writer, Aggregate *aggregate);
    bool generateIndexSection(QXmlStreamWriter &writer, Node *node, IndexSectionWriter *post = nullptr);
    void generateIndexSections(QXmlStreamWriter &writer, Node *node, IndexSectionWriter *post = nullptr);

 private:
    static QDocIndexFiles* qdocIndexFiles_;
    QDocDatabase* qdb_;
    Generator* gen_;
    QString project_;
    QVector<QPair<ClassNode*,QString> > basesList_;
};

QT_END_NAMESPACE

#endif
