AppleSAWS/src/diskfiles/dos33/genericfile.h

120 lines
4.2 KiB
C++

#ifndef GENERICFILE_H
#define GENERICFILE_H
/*****************************************************************************
* AppleSAWS - The Apple Software Analysis WorkShop *
* Copyright (C) 2015-2021 Mark D. Long *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
*****************************************************************************/
#include "dos33diskimage.h"
#include "filedescriptiveentry.h"
#include <QByteArray>
#include <QString>
class GenericFile {
public:
GenericFile() {
m_length = 0;
m_address = 0;
m_file_type = "?";
m_sector_count = 0;
m_locked = false;
m_diskfile = nullptr;
m_data_loaded = false;
}
GenericFile (Dos33DiskImage *image, FileDescriptiveEntry &fde)
: m_diskfile(image), m_fde(fde)
{
m_data_loaded = false;
m_address = 0;
updateFromFDE(fde);
}
virtual ~GenericFile() { };
virtual void setAddress(quint16 location) { m_address = location; }
virtual quint16 address() const { return m_address; };
virtual void setLength(quint16 length) { m_length = length; }
virtual int length() const { return m_length; }
virtual quint8 rawDataAt(int offset) ;
virtual quint16 rawDataWordAt(int offset);
virtual QByteArray rawData();
[[deprecated("Only used for legacy purposes")]]
virtual quint8 dataAt(int offset) ;
[[deprecated("Only used for legacy purposes")]]
virtual quint16 dataWordAt(int offset);
[[deprecated("Only used for legacy purposes")]]
/// Returns copy of rawData() unless user data is set.
virtual QByteArray data();
[[deprecated("Only used for legacy purposes")]]
/// Overrides default data (copy of rawData) with user-supplied data
virtual void setData(QByteArray data);
[[deprecated("Only used for legacy purposes")]]
/// Removes user-defined data
virtual void resetToDefaultData();
virtual void setFileType(QString type) { m_file_type = type; }
virtual QString fileType() const {return m_file_type;}
virtual Dos33DiskImage *diskFile() const { return m_diskfile; }
virtual void setDiskFile(Dos33DiskImage *diskfile) { m_diskfile = diskfile; }
virtual void setFilename(QString filename) { m_filename = filename; }
virtual QString filename() const { return m_filename; }
virtual void setLocked(bool locked) { m_locked = locked; }
virtual bool locked() const { return m_locked; }
virtual void updateFromFDE(FileDescriptiveEntry &fde);
virtual void setSectorCount(int count) { m_sector_count = count; };
virtual int sectorCount() const { return m_sector_count; };
/// Called by rawData() and data() to lazily load data. Call manually to preload.
void initDataFromImage();
protected:
QByteArray peekFirstSector() const;
private:
Dos33DiskImage * m_diskfile;
FileDescriptiveEntry m_fde;
int m_length;
quint16 m_address;
QString m_file_type;
int m_sector_count;
bool m_locked;
QString m_filename;
QByteArray m_data;
bool m_data_loaded;
QByteArray m_data_cache;
QByteArray m_local_data;
};
#endif // GENERICFILE_H