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◆ main openmsx / src / fdc / DSKDiskImage.cc
1.2 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#include "DSKDiskImage.hh"
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#include "File.hh"
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#include "Filename.hh"
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#include "FilePool.hh"
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namespace openmsx {
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DSKDiskImage::DSKDiskImage(const Filename& fileName)
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	: SectorBasedDisk(DiskName(fileName))
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	, file(std::make_shared<File>(fileName.getResolved(), File::OpenMode::PRE_CACHE))
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{
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	setNbSectors(file->getSize() / sizeof(SectorBuffer));
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}
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DSKDiskImage::DSKDiskImage(const Filename& fileName,
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                           std::shared_ptr<File> file_)
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	: SectorBasedDisk(DiskName(fileName))
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	, file(std::move(file_))
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{
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	setNbSectors(file->getSize() / sizeof(SectorBuffer));
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}
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void DSKDiskImage::readSectorsImpl(
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	std::span<SectorBuffer> buffers, size_t startSector)
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{
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	file->seek(startSector * sizeof(SectorBuffer));
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	file->read(buffers);
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}
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void DSKDiskImage::writeSectorImpl(size_t sector, const SectorBuffer& buf)
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{
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	file->seek(sector * sizeof(buf));
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	file->write(buf.raw);
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}
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bool DSKDiskImage::isWriteProtectedImpl() const
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{
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	return file->isReadOnly();
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}
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Sha1Sum DSKDiskImage::getSha1SumImpl(FilePool& filePool)
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{
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	if (hasPatches()) {
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		return SectorAccessibleDisk::getSha1SumImpl(filePool);
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	}
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	return filePool.getSha1Sum(*file, getName().getResolved());
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}
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} // namespace openmsx