111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
/*****************************************************************************
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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 "genericfile.h"
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quint8 GenericFile::rawDataAt(int offset)
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{
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return rawData().at(offset);
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}
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quint16 GenericFile::rawDataWordAt(int offset)
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{
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return makeWord(dataAt(offset),dataAt(offset+1));
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}
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quint8 GenericFile::dataAt(int offset)
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{
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if (offset >= data().size())
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{
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qWarning("Data offset (%d) > size (%d)",offset,data().size());
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return 0;
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}
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return data().at(offset);
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}
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quint16 GenericFile::dataWordAt(int offset)
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{
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return makeWord(dataAt(offset),dataAt(offset+1));
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}
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QByteArray GenericFile::data()
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{
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if (m_local_data.size() == 0)
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{
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if (m_data_cache.size() == 0)
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{
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m_data_cache = rawData();
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}
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}
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else
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{
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return m_local_data;
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}
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return m_data_cache;
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}
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void GenericFile::setData(QByteArray data)
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{
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m_local_data = data;
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}
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void GenericFile::resetToDefaultData()
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{
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m_local_data.clear();
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}
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QByteArray GenericFile::rawData()
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{
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if (!m_data_loaded)
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{
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initDataFromImage();
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}
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return m_data;
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}
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void GenericFile::updateFromFDE(FileDescriptiveEntry &fde)
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{
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fde.updateGenericFile(this);
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setLength(fde.lengthInSectors * m_diskfile->rawImage()->sectorSize());
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}
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QByteArray GenericFile::peekFirstSector() const
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{
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auto tsl = m_diskfile->getSector(m_fde.firstTSListSector())->asTrackSectorList();
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TSPairList pairs = tsl.getValidTSPairs();
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return m_diskfile->getSector(pairs.first())->rawData();
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}
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void GenericFile::initDataFromImage()
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{
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if (!m_data_loaded)
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{
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if (m_diskfile)
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{
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auto tsl = m_diskfile->getSector(m_fde.firstTSListSector())->asTrackSectorList();
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TSPairList pairs = tsl.getValidTSPairs();
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m_data_loaded = true;
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m_data = m_diskfile->getDataFromTSPairList(pairs);
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}
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}
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}
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