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// Copyright (C) 2016 Alexander Drozdov.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "projectexplorer_export.h"
#include "projectnodes.h"
#include <utils/filepath.h>
#include <utils/mimeutils.h>
#include <QObject>
#include <QFuture>
#include <QFutureWatcher>
#include <functional>
namespace Core { class IVersionControl; }
namespace ProjectExplorer {
class PROJECTEXPLORER_EXPORT TreeScanner : public QObject
{
Q_OBJECT
public:
struct Result
{
std::shared_ptr<FolderNode> folderNode;
QList<FileNode *> allFiles;
};
using Future = QFuture<Result>;
using FutureWatcher = QFutureWatcher<Result>;
using Promise = QPromise<Result>;
using FileFilter = std::function<bool(const Utils::MimeType &, const Utils::FilePath &)>;
using FileTypeFactory = std::function<ProjectExplorer::FileType(const Utils::MimeType &, const Utils::FilePath &)>;
explicit TreeScanner(QObject *parent = nullptr);
~TreeScanner() override;
// Start scanning in given directory
bool asyncScanForFiles(const Utils::FilePath& 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::FilePath &fn);
static bool isMimeBinary(const Utils::MimeType &mimeType, const Utils::FilePath &fn);
// Standard file factory
static ProjectExplorer::FileType genericFileType(const Utils::MimeType &mdb, const Utils::FilePath& fn);
signals:
void finished();
private:
static void scanForFiles(Promise &fi, const Utils::FilePath &directory,
const FileFilter &filter, const FileTypeFactory &factory);
private:
FileFilter m_filter;
FileTypeFactory m_factory;
FutureWatcher m_futureWatcher;
Future m_scanFuture;
};
} // namespace ProjectExplorer
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