[nostalgia,olympic,studio] Add Olympic applib system, convert Studio to use it

src/olympic/applib/applib.cpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
+ */
+
+#include <ox/logconn/def.hpp>
+#include <ox/logconn/logconn.hpp>
+
+#ifndef OLYMPIC_PROJECT_NAME
+#define OLYMPIC_PROJECT_NAME "OlympicProject"
+#endif
+
+#ifndef OLYMPIC_PROJECT_NAMESPACE
+#define OLYMPIC_PROJECT_NAMESPACE project
+#endif
+
+#ifndef OLYMPIC_PROJECT_DATADIR
+#define OLYMPIC_PROJECT_DATADIR ".keel"
+#endif
+
+ox::Error run(
+		ox::StringView appName,
+		ox::StringView projectDataDir,
+		int argc,
+		const char **argv) noexcept;
+
+namespace olympic {
+[[nodiscard]]
+ox::StringView appName() noexcept;
+}
+
+namespace OLYMPIC_PROJECT_NAMESPACE {
+void registerKeelModules() noexcept;
+void registerStudioModules() noexcept;
+}
+
+#ifdef _WIN32
+int WinMain() {
+	auto const argc = __argc;
+	auto const argv = const_cast<const char**>(__argv);
+#else
+int main(int argc, const char **argv) {
+#endif
+	OX_INIT_DEBUG_LOGGER(loggerConn, olympic::appName())
+	OLYMPIC_PROJECT_NAMESPACE::registerKeelModules();
+	OLYMPIC_PROJECT_NAMESPACE::registerStudioModules();
+	auto const err = run(olympic::appName(), OLYMPIC_PROJECT_DATADIR, argc, argv);
+	oxAssert(err, "Something went wrong...");
+	if (err) {
+		oxErrf("Failure: {}\n", toStr(err));
+	}
+	return static_cast<int>(err);
+}