OXYGENHUB
◆ main openmsx / src / ide / HDImageCLI.cc
1.5 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#include "HDImageCLI.hh"
2
3 
#include "CommandLineParser.hh"
4 
#include "MSXException.hh"
5
6 
#include <algorithm>
7 
#include <utility>
8 
#include <vector>
9
10 
namespace openmsx {
11
12 
namespace {
13 
	struct IdImage {
14 
		int id;
15 
		std::string image;
16 
	};
17 
}
18 
static std::vector<IdImage> images;
19
20 
HDImageCLI::HDImageCLI(CommandLineParser& parser_)
21 
	: parser(parser_)
22 
{
23 
	parser.registerOption("-hda", *this, CommandLineParser::Phase::BEFORE_MACHINE);
24 
	// TODO: offer more options in case you want to specify 2 hard disk images?
25 
}
26
27 
void HDImageCLI::parseOption(const std::string& option, std::span<std::string>& cmdLine)
28 
{
29 
	// Machine has not been loaded yet. Only remember the image.
30 
	int id = option[3] - 'a';
31 
	images.emplace_back(id, getArgument(option, cmdLine));
32 
}
33
34 
std::string HDImageCLI::getImageForId(int id)
35 
{
36 
	// HD queries image. Return (and clear) the remembered value, or return
37 
	// an empty string.
38 
	std::string result;
39 
	if (auto it = std::ranges::find(images, id, &IdImage::id);
40 
	    it != end(images)) {
41 
		result = std::move(it->image);
42 
		images.erase(it);
43 
	}
44 
	return result;
45 
}
46
47 
void HDImageCLI::parseDone()
48 
{
49 
	// After parsing all remembered values should be cleared. If not there
50 
	// was no hard disk as specified.
51 
	if (!images.empty()) {
52 
		auto hd = char(::toupper('a' + images.front().id));
53 
		throw MSXException("No hard disk ", hd, " present.");
54 
	}
55 
}
56
57 
std::string_view HDImageCLI::optionHelp() const
58 
{
59 
	return "Use hard disk image in argument for the IDE or SCSI extensions";
60 
}
61
62 
} // namespace openmsx