Method dpatch

pcsx2/Patch.cpp:999–1099

}

void Patch::PatchFunc::dpatch(PatchGroup* group, const std::string_view cmd, const std::string_view param)
{
#define PATCH_ERROR(fstring, ...) \
	Console.Error(fmt::format("(dPatch) Error Parsing: {}={}: " fstring, cmd, param, __VA_ARGS__))

	// [0]=version/type,[1]=number of patterns,[2]=number of replacements
	// Each pattern or replacement is [3]=offset,[4]=hex

	const std::vector<std::string_view> pieces(StringUtil::SplitString(param, ',', false));
	if (pieces.size() < 3)
	{
		PATCH_ERROR("Expected at least 3 data parameters; only found {}", pieces.size());
		return;
	}


	std::string_view patterns_end, replacements_end;

	// Implemented for possible future use so we don't have to break backcompat
	std::optional<u32> dpatch_type = StringUtil::FromChars<u32>(pieces[0]);

	std::optional<u32> num_patterns = StringUtil::FromChars<u32>(pieces[1], 16, &patterns_end);
	std::optional<u32> num_replacements = StringUtil::FromChars<u32>(pieces[2], 16, &replacements_end);

	if (!dpatch_type.has_value())
	{
		PATCH_ERROR("Malformed version/type '{}', a decimal number(e.g. 0,1,2) is expected", pieces[0]);
		return;
	}

	if (dpatch_type.value() != 0)
	{
		PATCH_ERROR("Unsupported version/type '{}', only 0 is currently supported", pieces[0]);
		return;
	}

	if (!num_patterns.has_value())
	{
		PATCH_ERROR("Malformed number of patterns '{}', a decimal number is expected", pieces[1]);
		return;
	}

	if (!num_replacements.has_value())
	{
		PATCH_ERROR("Malformed number of replacements '{}', a decimal number is expected", pieces[2]);
		return;
	}

	if (pieces.size() != ((num_patterns.value() * 2) + (num_replacements.value() * 2) + 3))
	{
		PATCH_ERROR("Expected 2 fields for each {} patterns and {} replacements; found {}", num_patterns.value(), num_replacements.value(), pieces.size() - 2);
		return;
	}

	DynamicPatch dpatch;
	for (u32 i = 0; i < num_patterns.value(); i++)
	{
		std::optional<u32> offset = StringUtil::FromChars<u32>(pieces[3 + (i * 2)], 16);