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// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2015 Klaralvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author David Faure <david.faure@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QMIMEDATABASE_P_H
#define QMIMEDATABASE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qmimedatabase.h"
#include "qmimetype.h"
QT_REQUIRE_CONFIG(mimetype);
#include "qmimetype_p.h"
#include "qmimeglobpattern_p.h"
#include <QtCore/qelapsedtimer.h>
#include <QtCore/qlist.h>
#include <QtCore/qmutex.h>
#include <vector>
#include <memory>
QT_BEGIN_NAMESPACE
class QFileInfo;
class QIODevice;
class QMimeDatabase;
class QMimeProviderBase;
class QMimeDatabasePrivate
{
public:
Q_DISABLE_COPY_MOVE(QMimeDatabasePrivate)
QMimeDatabasePrivate();
~QMimeDatabasePrivate();
static QMimeDatabasePrivate *instance();
const QString &defaultMimeType() const { return m_defaultMimeType; }
bool inherits(const QString &mime, const QString &parent);
QList<QMimeType> allMimeTypes();
QString resolveAlias(const QString &nameOrAlias);
QStringList parents(const QString &mimeName);
QMimeType mimeTypeForName(const QString &nameOrAlias);
QMimeType mimeTypeForFileNameAndData(const QString &fileName, QIODevice *device);
QMimeType mimeTypeForFileExtension(const QString &fileName);
QMimeType mimeTypeForData(QIODevice *device);
QMimeType mimeTypeForFile(const QString &fileName, const QFileInfo &fileInfo, QMimeDatabase::MatchMode mode);
QMimeType findByData(const QByteArray &data, int *priorityPtr);
QStringList mimeTypeForFileName(const QString &fileName);
QMimeGlobMatchResult findByFileName(const QString &fileName);
// API for QMimeType. Takes care of locking the mutex.
QMimeTypePrivate::LocaleHash localeComments(const QString &name);
QStringList globPatterns(const QString &name);
QString genericIcon(const QString &name);
QString icon(const QString &name);
QStringList mimeParents(const QString &mimeName);
QStringList listAliases(const QString &mimeName);
bool mimeInherits(const QString &mime, const QString &parent);
private:
using Providers = std::vector<std::unique_ptr<QMimeProviderBase>>;
const Providers &providers();
bool shouldCheck();
void loadProviders();
QString fallbackParent(const QString &mimeTypeName) const;
const QString m_defaultMimeType;
mutable Providers m_providers; // most local first, most global last
QElapsedTimer m_lastCheck;
public:
QMutex mutex;
};
QT_END_NAMESPACE
#endif // QMIMEDATABASE_P_H
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