OXYGENHUB
◆ main openmsx / Contrib / dmk / xsa2dsk.cc
1.4 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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// Compile with:
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//   g++ -std=c++23 -O3 -Wall -Wextra xsa2dsk.cc ../../src/fdc/XSAExtractor.cc -I../../src -I../../src/fdc -I../../src/utils -o xsa2dsk
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#include "MSXException.hh"
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#include "XSAExtractor.hh"
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#include <bit>
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#include <cstdint>
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#include <cstdlib>
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#include <fstream>
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#include <iostream>
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#include <span>
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#include <vector>
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int main(int argc, const char** argv)
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{
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	auto arg = std::span(argv, argc);
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	if (arg.size() != 3) {
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		std::cerr << "Usage: xsa2dsk <xsa-input-file> <dsk-output-file>\n";
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		exit(1);
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	}
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	// Read xsa file
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	std::ifstream in(arg[1], std::ios::binary);
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	if (!in.is_open()) {
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		std::cerr << "Failed to open: " << arg[1] << '\n';
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		exit(1);
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	}
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	std::vector<uint8_t> inBuf(std::istreambuf_iterator<char>{in},
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	                           std::istreambuf_iterator<char>{});
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	// Parse xsa file
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	auto sectors = [&] {
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		try {
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			openmsx::XSAExtractor extractor(inBuf);
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			return std::move(extractor).extractData();
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		} catch (openmsx::MSXException& e) {
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			std::cerr << "Failed to parse: " << arg[1] << ": " << e.getMessage() << '\n';
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			exit(1);
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		}
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	}();
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	const uint8_t* dskData = sectors.data()->raw.data();
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	auto dskSize = sectors.size() * sizeof(openmsx::SectorBuffer);
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	// Write dsk file
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	std::ofstream out(arg[2], std::ios::binary);
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	if (!out.is_open()) {
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		std::cerr << "Failed to open: " << arg[2] << '\n';
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		exit(1);
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	}
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	out.write(std::bit_cast<const char*>(dskData), dskSize);
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}