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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Python.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** 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
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef APIEXTRACTORRESULT_H
#define APIEXTRACTORRESULT_H

#include "abstractmetalang.h"
#include "abstractmetaenum.h"
#include "abstractmetatype.h"
#include "typesystem_typedefs.h"

#include <QtCore/QHash>

#include <optional>

/// Result of an ApiExtractor run.
/// Note: The class lists in here are flat, non-owning lists, currently
/// (pending introduction of QSharedPointer for AbstractMetaClass); the
/// ApiExtractor/AbstractMetaBuilder must be kept alive during the
/// generator run since it owns the classes.
class ApiExtractorResult
{
    friend class ApiExtractor;
public:
    const AbstractMetaEnumList &globalEnums() const { return m_globalEnums; }
    const AbstractMetaFunctionCList &globalFunctions() const { return m_globalFunctions; }
    const AbstractMetaClassCList &classes() const { return m_metaClasses; }
    const AbstractMetaClassCList &smartPointers() const { return m_smartPointers; }

    // Query functions for the generators
    std::optional<AbstractMetaEnum> findAbstractMetaEnum(const TypeEntry* typeEntry) const;

    /// Retrieves a list of constructors used in implicit conversions
    /// available on the given type. The TypeEntry must be a value-type
    /// or else it will return an empty list.
    ///  \param type a TypeEntry that is expected to be a value-type
    /// \return a list of constructors that could be used as implicit converters
    AbstractMetaFunctionCList implicitConversions(const TypeEntry *type) const;
    AbstractMetaFunctionCList implicitConversions(const AbstractMetaType &metaType) const;

private:
    AbstractMetaClassCList m_metaClasses;
    AbstractMetaClassCList m_smartPointers;
    AbstractMetaFunctionCList m_globalFunctions;
    AbstractMetaEnumList m_globalEnums;

    QHash<const TypeEntry *, AbstractMetaEnum> m_enums;
};

#endif // APIEXTRACTORRESULT_H