Add jngl::trace and jngl::warn functions for simple logging

src/jngl.hpp

@@ -33,6 +33,7 @@
 #include "jngl/font.hpp"
 #include "jngl/input.hpp"
 #include "jngl/job.hpp"
+#include "jngl/log.hpp"
 #include "jngl/main.hpp"
 #include "jngl/matrix.hpp"
 #include "jngl/message.hpp"

src/jngl/log.cpp

@@ -0,0 +1,40 @@
+// Copyright 2024 Jan Niklas Hasse <jhasse@gmail.com>
+// For conditions of distribution and use, see copyright notice in LICENSE.txt
+#include "log.hpp"
+
+#include "../App.hpp"
+#include "message.hpp"
+
+#include <sstream>
+
+namespace jngl {
+
+void trace(const std::string& line) {
+	std::ostringstream tmp;
+	if (auto displayName = App::instance().getDisplayName(); !displayName.empty()) {
+		tmp << '[';
+		if (displayName.size() > 4) {
+			tmp << displayName.substr(0, 3) << "…]";
+		} else {
+			tmp << displayName << ']';
+		}
+	}
+	tmp << "[\x1b[1;36mtrace\x1b[0m] " << line << '\n';
+	printMessage(tmp.str());
+}
+
+void warn(const std::string& line) {
+	std::ostringstream tmp;
+	if (auto displayName = App::instance().getDisplayName(); !displayName.empty()) {
+		tmp << '[';
+		if (displayName.size() > 4) {
+			tmp << displayName.substr(0, 3) << "…]";
+		} else {
+			tmp << displayName << ']';
+		}
+	}
+	tmp << "[\x1b[1;33mwarn\x1b[0m] " << line << '\n';
+	printMessage(tmp.str());
+}
+
+} // namespace jngl

src/jngl/log.hpp

@@ -0,0 +1,33 @@
+// Copyright 2024 Jan Niklas Hasse <jhasse@gmail.com>
+// For conditions of distribution and use, see copyright notice in LICENSE.txt
+/// Logging functions
+/// @file
+#pragma once
+
+#if __has_include(<format>)
+#include <format>
+#endif
+
+namespace jngl {
+
+void trace(const std::string&);
+
+#if __has_include(<format>)
+template <class... Args> void trace(std::format_string<Args...> format, Args&&... args) {
+	return trace(std::format(std::move(format), std::forward<Args>(args)...));
+}
+#else
+template <class... Args> void trace(Args&&... args) {}
+#endif
+
+void warn(const std::string&);
+
+#if __has_include(<format>)
+template <class... Args> void warn(std::format_string<Args...> format, Args&&... args) {
+	return warn(std::format(std::move(format), std::forward<Args>(args)...));
+}
+#else
+template <class... Args> void warn(Args&&... args) {}
+#endif
+
+} // namespace jngl