QGCArchiveFile.h

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#pragma once
 
 
#include "QGCArchiveDeviceBase.h"
 
#include <QtCore/QDateTime>
#include <QtCore/QLoggingCategory>
 
Q_DECLARE_LOGGING_CATEGORY(QGCArchiveFileLog)
 
 
class QGCArchiveFile : public QGCArchiveDeviceBase
{
    Q_OBJECT
 
public:
    QGCArchiveFile(const QString &archivePath, const QString &entryName, QObject *parent = nullptr);
 
    QGCArchiveFile(QIODevice *source, const QString &entryName, QObject *parent = nullptr);
 
    ~QGCArchiveFile() override = default;
 
    // QIODevice interface
    bool open(OpenMode mode) override;
    qint64 size() const override;
 
    QString entryName() const { return _entryName; }
 
    qint64 entrySize() const { return _entrySize; }
 
    bool entryFound() const { return _entryFound; }
 
    QDateTime entryModified() const { return _entryModified; }
 
protected:
    bool initArchive() override;
    bool prepareForReading() override;
    bool isReadyToRead() const override { return _entryFound; }
    void resetState() override;
 
private:
    bool seekToEntry();
 
    QString _entryName;
    bool _entryFound = false;
    qint64 _entrySize = -1;
    QDateTime _entryModified;
};