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◆ main openmsx / src / ide / HDImageCLI.cc
1.5 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "HDImageCLI.hh"
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#include "CommandLineParser.hh"
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#include "MSXException.hh"
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#include <algorithm>
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#include <utility>
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#include <vector>
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namespace openmsx {
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namespace {
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	struct IdImage {
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		int id;
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		std::string image;
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	};
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}
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static std::vector<IdImage> images;
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HDImageCLI::HDImageCLI(CommandLineParser& parser_)
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	: parser(parser_)
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{
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	parser.registerOption("-hda", *this, CommandLineParser::Phase::BEFORE_MACHINE);
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	// TODO: offer more options in case you want to specify 2 hard disk images?
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}
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void HDImageCLI::parseOption(const std::string& option, std::span<std::string>& cmdLine)
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{
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	// Machine has not been loaded yet. Only remember the image.
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	int id = option[3] - 'a';
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	images.emplace_back(id, getArgument(option, cmdLine));
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}
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std::string HDImageCLI::getImageForId(int id)
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{
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	// HD queries image. Return (and clear) the remembered value, or return
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	// an empty string.
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	std::string result;
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	if (auto it = std::ranges::find(images, id, &IdImage::id);
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	    it != end(images)) {
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		result = std::move(it->image);
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		images.erase(it);
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	}
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	return result;
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}
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void HDImageCLI::parseDone()
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{
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	// After parsing all remembered values should be cleared. If not there
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	// was no hard disk as specified.
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	if (!images.empty()) {
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		auto hd = char(::toupper('a' + images.front().id));
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		throw MSXException("No hard disk ", hd, " present.");
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	}
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}
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std::string_view HDImageCLI::optionHelp() const
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{
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	return "Use hard disk image in argument for the IDE or SCSI extensions";
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}
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} // namespace openmsx