[UI] Loop thread to main thread WindowedAppContext

src/xenia/base/console_app_main.h

@@ -0,0 +1,51 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2021 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_BASE_CONSOLE_APP_MAIN_H_
+#define XENIA_BASE_CONSOLE_APP_MAIN_H_
+
+#include <string>
+#include <vector>
+
+namespace xe {
+
+// Extern defined by user code. This must be present for the application to
+// launch.
+struct ConsoleAppEntryInfo {
+  std::string name;
+  int (*entry_point)(const std::vector<std::string>& args);
+  bool transparent_options;  // no argument parsing
+  std::string positional_usage;
+  std::vector<std::string> positional_options;
+};
+ConsoleAppEntryInfo GetConsoleAppEntryInfo();
+
+// TODO(Triang3l): Multiple console app entry points on Android when a console
+// activity is added. This is currently for individual executables running on
+// Termux.
+
+#define XE_DEFINE_CONSOLE_APP(name, entry_point, positional_usage, ...)    \
+  xe::ConsoleAppEntryInfo xe::GetConsoleAppEntryInfo() {                   \
+    std::initializer_list<std::string> positional_options = {__VA_ARGS__}; \
+    return xe::ConsoleAppEntryInfo{                                        \
+        name, entry_point, false, positional_usage,                        \
+        std::vector<std::string>(std::move(positional_options))};          \
+  }
+
+// TODO(Joel Linn): Add some way to filter consumed arguments in
+// cvar::ParseLaunchArguments()
+#define XE_DEFINE_CONSOLE_APP_TRANSPARENT(name, entry_point)               \
+  xe::ConsoleAppEntryInfo xe::GetConsoleAppEntryInfo() {                   \
+    return xe::ConsoleAppEntryInfo{name, entry_point, true, std::string(), \
+                                   std::vector<std::string>()};            \
+  }
+
+}  // namespace xe
+
+#endif  // XENIA_BASE_CONSOLE_APP_MAIN_H_