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59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include "globals.h"
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#include "sector.h"
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#include "image.h"
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Image::Image()
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{}
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Image::Image(std::set<std::shared_ptr<const Sector>>& sectors)
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{
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for (auto& sector : sectors)
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{
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key_t key = std::make_tuple(sector->logicalTrack, sector->logicalSide, sector->logicalSector);
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_sectors[key] = sector;
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}
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calculateSize();
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}
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std::shared_ptr<const Sector> Image::get(unsigned track, unsigned side, unsigned sectorid) const
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{
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static std::shared_ptr<const Sector> NONE;
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key_t key = std::make_tuple(track, side, sectorid);
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auto i = _sectors.find(key);
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if (i == _sectors.end())
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return NONE;
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return i->second;
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}
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std::shared_ptr<Sector> Image::put(unsigned track, unsigned side, unsigned sectorid)
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{
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key_t key = std::make_tuple(track, side, sectorid);
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std::shared_ptr<Sector> sector = std::make_shared<Sector>();
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sector->logicalTrack = track;
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sector->logicalSide = side;
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sector->logicalSector = sectorid;
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_sectors[key] = sector;
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return sector;
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}
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void Image::calculateSize()
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{
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_geometry = {};
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unsigned maxSector = 0;
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for (const auto& i : _sectors)
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{
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const auto& sector = i.second;
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if (sector)
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{
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_geometry.numTracks = std::max(_geometry.numTracks, (unsigned)sector->logicalTrack+1);
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_geometry.numSides = std::max(_geometry.numSides, (unsigned)sector->logicalSide+1);
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_geometry.firstSector = std::min(_geometry.firstSector, (unsigned)sector->logicalSector);
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maxSector = std::max(maxSector, (unsigned)sector->logicalSector);
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_geometry.sectorSize = std::max(_geometry.sectorSize, (unsigned)sector->data.size());
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}
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}
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_geometry.numSectors = maxSector - _geometry.firstSector + 1;
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}
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