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/****************************************************************************
**
** Copyright (C) 2016 Alexander Drozdov.
** Contact: Alexander Drozdov (adrozdoff@gmail.com)
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#pragma once
#include "projectexplorer/projectnodes.h"
#include <utils/mimetypes/mimedatabase.h>
#include "utils/fileutils.h"
#include <QObject>
#include <QFuture>
#include <QFutureWatcher>
#include <functional>
namespace Core { class IVersionControl; }
namespace CMakeProjectManager {
namespace Internal {
class TreeScanner : public QObject
{
Q_OBJECT
public:
using Result = QList<ProjectExplorer::FileNode *>;
using Future = QFuture<Result>;
using FutureWatcher = QFutureWatcher<Result>;
using FutureInterface = QFutureInterface<Result>;
using FileFilter = std::function<bool(const Utils::MimeType &, const Utils::FileName &)>;
using FileTypeFactory = std::function<ProjectExplorer::FileType(const Utils::MimeType &, const Utils::FileName &)>;
explicit TreeScanner(QObject *parent = nullptr);
~TreeScanner();
// Start scanning in given directory
bool asyncScanForFiles(const Utils::FileName& directory);
// Setup filter for ignored files
void setFilter(FileFilter filter);
// Setup factory for file types
void setTypeFactory(FileTypeFactory factory);
Future future() const;
bool isFinished() const;
// Takes not-owning result
Result result() const;
// Takes owning of result
Result release();
// Clear scan results
void reset();
// Standard filters helpers
static bool isWellKnownBinary(const Utils::MimeType &mimeType, const Utils::FileName &fn);
static bool isMimeBinary(const Utils::MimeType &mimeType, const Utils::FileName &fn);
// Standard file factory
static ProjectExplorer::FileType genericFileType(const Utils::MimeType &mdb, const Utils::FileName& fn);
signals:
void finished();
private:
static void scanForFiles(FutureInterface *fi, const Utils::FileName &directory,
const FileFilter &filter, const FileTypeFactory &factory,
QList<Core::IVersionControl *> &versionControls);
private:
FileFilter m_filter;
FileTypeFactory m_factory;
FutureWatcher m_futureWatcher;
Future m_scanFuture;
QList<Core::IVersionControl *> m_versionControls;
};
} // namespace Internal
} // namespace CMakeProjectManager
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