extractor: cleanup, support unicode properly, and add multi-game support (#1609)

* extractor: refactor and cleanup for multi-game support

* deps: switch to `ghc::filesystem` as it is utf-8 everywhere by default

* extractor: finally working with unicode

* unicode: fix unicode cli args on windows in all `main` functions

test/test_main.cpp

@@ -1,8 +1,9 @@
-#include <filesystem>
+
 
 #include "common/log/log.h"
 #include "common/util/FileUtil.h"
 #include "common/util/os.h"
+#include <common/util/unicode_util.h>
 
 #include "gtest/gtest.h"
 
@@ -18,6 +19,15 @@
 // to make it easier to test a subset of tests
 
 int main(int argc, char** argv) {
+#ifdef _WIN32
+  auto args = get_widechar_cli_args();
+  std::vector<char*> string_ptrs;
+  for (auto& str : args) {
+    string_ptrs.push_back(str.data());
+  }
+  argv = string_ptrs.data();
+#endif
+
   // hopefully get a debug print on github actions
   setup_cpu_info();
   file_util::setup_project_path(std::nullopt);
@@ -27,10 +37,10 @@ int main(int argc, char** argv) {
 
   // Re-init failed folder
   std::string failedFolder = file_util::get_file_path({"test/goalc/source_generated/failed/"});
-  if (std::filesystem::exists(failedFolder)) {
-    std::filesystem::remove_all(failedFolder);
+  if (fs::exists(failedFolder)) {
+    fs::remove_all(failedFolder);
   }
-  std::filesystem::create_directory(failedFolder);
+  fs::create_directory(failedFolder);
 
   return RUN_ALL_TESTS();
 }