C++17ification.

C++17ification!

- Filesystem interaction now uses std::filesystem::path.
- Usage of const char*, std::string have been changed to
  std::string_view where appropriate.
- Usage of printf-style functions changed to use fmt.

src/xenia/gpu/trace_dump.h

@@ -2,7 +2,7 @@
  ******************************************************************************
  * Xenia : Xbox 360 Emulator Research Project                                 *
  ******************************************************************************
- * Copyright 2015 Ben Vanik. All rights reserved.                             *
+ * Copyright 2020 Ben Vanik. All rights reserved.                             *
  * Released under the BSD license - see LICENSE in the root for more details. *
  ******************************************************************************
  */
@@ -36,7 +36,7 @@ class TraceDump {
  public:
   virtual ~TraceDump();
 
-  int Main(const std::vector<std::wstring>& args);
+  int Main(const std::vector<std::string>& args);
 
  protected:
   TraceDump();
@@ -52,11 +52,11 @@ class TraceDump {
 
  private:
   bool Setup();
-  bool Load(std::wstring trace_file_path);
+  bool Load(const std::filesystem::path& trace_file_path);
   int Run();
 
-  std::wstring trace_file_path_;
-  std::wstring base_output_path_;
+  std::filesystem::path trace_file_path_;
+  std::filesystem::path base_output_path_;
 };
 
 }  // namespace gpu