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