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Add pluggable image readers, plus some documentation.

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This commit is contained in:
David Given
2019-08-09 20:56:06 +02:00
parent 87e29fc386
commit 112377f885
9 changed files with 149 additions and 41 deletions
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38
lib/image.cc
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@@ -4,48 +4,16 @@
#include "dataspec.h"
#include "sector.h"
#include "sectorset.h"
#include "imagereader/imagereader.h"
#include "imagewriter/imagewriter.h"
#include "fmt/format.h"
#include <algorithm>
#include <iostream>
#include <fstream>
void readSectorsFromFile(SectorSet& sectors, const ImageSpec& spec)
SectorSet readSectorsFromFile(const ImageSpec& spec)
{
std::ifstream inputFile(spec.filename, std::ios::in | std::ios::binary);
if (!inputFile.is_open())
Error() << "cannot open input file";
size_t headSize = spec.sectors * spec.bytes;
size_t trackSize = headSize * spec.heads;
std::cout << fmt::format("{} tracks, {} heads, {} sectors, {} bytes per sector, {} kB total",
spec.cylinders, spec.heads,
spec.sectors, spec.bytes,
spec.cylinders * trackSize / 1024)
<< std::endl;
for (int track = 0; track < spec.cylinders; track++)
{
for (int head = 0; head < spec.heads; head++)
{
for (int sectorId = 0; sectorId < spec.sectors; sectorId++)
{
inputFile.seekg(track*trackSize + head*headSize + sectorId*spec.bytes, std::ios::beg);
Bytes data(spec.bytes);
inputFile.read((char*) data.begin(), spec.bytes);
std::unique_ptr<Sector>& sector = sectors.get(track, head, sectorId);
sector.reset(new Sector);
sector->status = Sector::OK;
sector->logicalTrack = sector->physicalTrack = track;
sector->logicalSide = sector->physicalSide = head;
sector->logicalSector = sectorId;
sector->data = data;
}
}
}
return ImageReader::create(spec)->readImage();
}
void writeSectorsToFile(const SectorSet& sectors, const ImageSpec& spec)