Function FindItemValue

src/settingsgen/settingsgen.cpp:207–213

* Find the value of a template variable. * @param name Name of the item to find. * @param grp Group currently being expanded (searched first). * @param defaults Fallback group to search, \c nullptr skips the search. * @return Text of the item if found, else \c std::nullopt. */

 * @return Text of the item if found, else \c std::nullopt.
 */
static std::optional<std::string_view> FindItemValue(std::string_view name, const IniGroup *grp, const IniGroup *defaults)
{
	const IniItem *item = grp->GetItem(name);
	if (item == nullptr && defaults != nullptr) item = defaults->GetItem(name);
	if (item == nullptr) return std::nullopt;
	return item->value;
}

/**
 * Parse a single entry via a template and output this.