simple regex and test

src/CMakeLists.txt

@@ -3,6 +3,8 @@ cmake_minimum_required(VERSION 3.9...3.24 FATAL_ERROR)
 project(solanaceae)
 
 add_library(solanaceae_factorio
+	./log_parse.hpp
+	./log_parse.cpp
 	./factorio.hpp
 	./factorio.cpp
 )

src/factorio.cpp

@@ -3,6 +3,8 @@
 #include <solanaceae/message3/components.hpp>
 #include <solanaceae/contact/components.hpp>
 
+#include "./log_parse.hpp"
+
 Factorio::Factorio(Contact3Registry& cr, RegistryMessageModel& rmm) : _cr(cr), _rmm(rmm) {
 	_rmm.subscribe(this, RegistryMessageModel_Event::message_construct);
 }

src/factorio.hpp

@@ -12,6 +12,5 @@ class Factorio : public RegistryMessageModelEventI {
 
 	protected: // rmm
 		bool onEvent(const Message::Events::MessageConstruct& e) override;
-
 };
 

src/log_parse.cpp

@@ -0,0 +1,21 @@
+#include "./log_parse.hpp"
+
+#include <regex>
+
+std::optional<LPLRes> log_parse_line(std::string_view line) {
+	static const std::regex mod_match{".*Factorio-Event-Logger+.*\\[([A-Z ]+)\\] (.+)$"};
+
+	std::cmatch matches;
+	if (!std::regex_match(line.cbegin(), line.cend(), matches, mod_match)) {
+		return std::nullopt;
+	}
+
+	if (matches.empty() || matches.size() != 3) {
+		return std::nullopt;
+	}
+
+	return LPLRes{
+		std::string_view{matches[1].first, static_cast<size_t>(matches[1].second - matches[1].first)},
+		std::string_view{matches[2].first, static_cast<size_t>(matches[2].second - matches[2].first)},
+	};
+}

src/log_parse.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <string_view>
+#include <optional>
+
+struct LPLRes {
+	std::string_view event;
+	std::string_view info;
+};
+
+std::optional<LPLRes> log_parse_line(std::string_view line);