update logging to use C++20 format and classes

1 files changed, 39 insertions, 0 deletions

diff --git a/src/crepe/util/Log.cpp b/src/crepe/util/Log.cpp
new file mode 100644
index 0000000..346e08e
--- /dev/null
+++ b/src/crepe/util/Log.cpp
@@ -0,0 +1,39 @@
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <string>
+
+#include "../api/Config.h"
+#include "Log.h"
+
+using namespace crepe;
+using namespace std;
+
+string Log::prefix(const Level & level) {
+	switch (level) {
+		case Level::TRACE:
+			return LogColor().fg_white().str("[TRACE]") + " ";
+		case Level::DEBUG:
+			return LogColor().fg_magenta().str("[DEBUG]") + " ";
+		case Level::INFO:
+			return LogColor().fg_blue().str("[INFO]") + " ";
+		case Level::WARNING:
+			return LogColor().fg_yellow().str("[WARN]") + " ";
+		case Level::ERROR:
+			return LogColor().fg_red().str("[ERROR]") + " ";
+	}
+	return "";
+}
+
+void Log::log(const Level & level, const string & msg) {
+	auto & cfg = Config::get_instance();
+	if (level < cfg.log.level) return;
+
+	string out = Log::prefix(level) + msg;
+	if (!out.ends_with("\n")) out += "\n";
+
+	// TODO: also log to file or smth
+	fwrite(out.c_str(), 1, out.size(), stdout);
+	fflush(stdout);
+}
+