Function PickerLoadConfig

src/picker_gui.cpp:65–92

* Load favourites of a picker from config. * @param ini IniFile to load to. * @param callbacks Picker to load. */

 * @param callbacks Picker to load.
 */
static void PickerLoadConfig(const IniFile &ini, PickerCallbacks &callbacks)
{
	const IniGroup *group = ini.GetGroup(callbacks.ini_group);
	if (group == nullptr) return;

	callbacks.saved.clear();
	for (const IniItem &item : group->items) {
		std::array<uint8_t, 4> grfid_buf;

		std::string_view str = item.name;

		/* Try reading "<grfid>|<localid>" */
		auto grfid_pos = str.find('|');
		if (grfid_pos == std::string_view::npos) continue;

		std::string_view grfid_str = str.substr(0, grfid_pos);
		if (!ConvertHexToBytes(grfid_str, grfid_buf)) continue;

		str = str.substr(grfid_pos + 1);
		uint32_t grfid = grfid_buf[0] | (grfid_buf[1] << 8) | (grfid_buf[2] << 16) | (grfid_buf[3] << 24);
		uint16_t localid;
		auto [ptr, err] = std::from_chars(str.data(), str.data() + str.size(), localid);

		if (err == std::errc{} && ptr == str.data() + str.size()) {
			callbacks.saved.insert({grfid, localid, 0, 0});
		}
	}
}

/**
 * Save favourites of a picker to config.