handle UTF-8 command-line paths

src/main.cpp

@@ -10,6 +10,8 @@
 
 #include <charconv>
 #include <cstdio>
+#include <string_view>
+#include <vector>
 #include <fmt/format.h>
 #include <magic_enum.hpp>
 
@@ -207,15 +209,19 @@ static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_he
 			}
 
 			value = Common::FixFilenameSlash(value);
-			if (Common::File::IsDirectoryExisting(value)) {
-				options.app0_dir = value;
+			const auto path = Common::PathFromUtf8(value);
+
+			if (Common::File::IsDirectoryExisting(path)) {
+				options.app0_dir = path;
 				options.elf      = "/app0/eboot.bin";
-			} else if (Common::File::IsFileExisting(value)) {
-				options.app0_dir = Common::DirectoryWithoutFilename(value);
+			} else if (Common::File::IsFileExisting(path)) {
+				options.app0_dir = path.parent_path();
+
 				if (options.app0_dir.empty()) {
 					options.app0_dir = ".";
 				}
-				options.elf = "/app0/" + Common::FilenameWithoutDirectory(value);
+
+				options.elf = std::filesystem::path("/app0") / path.filename();
 			} else {
 				::printf("--game must point to an existing directory or ELF: %s\n", value.c_str());
 				return false;
@@ -226,7 +232,9 @@ static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_he
 				return false;
 			}
 			value = Common::FixFilenameSlash(value);
-			if (!Common::File::IsFileExisting(value)) {
+			const auto path = Common::PathFromUtf8(value);
+
+			if (!Common::File::IsFileExisting(path)) {
 				::printf("--game-patch must point to an existing file: %s\n", value.c_str());
 				return false;
 			}
@@ -291,14 +299,14 @@ static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_he
 				return false;
 			}
 		} else if (arg == "--shader-log-folder") {
-			options.config.shader_log_folder = value;
+			options.config.shader_log_folder = Common::PathFromUtf8(value);
 		} else if (arg == "--command-buffer-dump") {
 			if (!ParseBool(value, options.config.command_buffer_dump_enabled)) {
 				::printf("invalid boolean for %s: %s\n", arg.c_str(), value.c_str());
 				return false;
 			}
 		} else if (arg == "--command-buffer-dump-folder") {
-			options.config.command_buffer_dump_folder = value;
+			options.config.command_buffer_dump_folder = Common::PathFromUtf8(value);
 		} else if (arg == "--graphics-debug-dump") {
 			if (!ParseBool(value, options.config.graphics_debug_dump_enabled)) {
 				::printf("invalid boolean for %s: %s\n", arg.c_str(), value.c_str());
@@ -310,7 +318,7 @@ static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_he
 				return false;
 			}
 		} else if (arg == "--printf-output-file") {
-			options.config.printf_output_file = value;
+			options.config.printf_output_file = Common::PathFromUtf8(value);
 		} else if (arg == "--spirv-debug-printf") {
 			if (!ParseBool(value, options.config.spirv_debug_printf_enabled)) {
 				::printf("invalid boolean for %s: %s\n", arg.c_str(), value.c_str());
@@ -341,7 +349,7 @@ static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_he
 	return show_help || (!options.app0_dir.empty() && !options.elf.empty());
 }
 
-int main(int argc, char* argv[]) {
+static int Main(int argc, char* argv[]) {
 	VirtualMemory::Init();
 	InitializeThreads();
 
@@ -367,3 +375,34 @@ int main(int argc, char* argv[]) {
 
 	return 0;
 }
+
+#if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
+
+int wmain(int argc, wchar_t* argv[]) {
+    std::vector<std::string> utf8_args;
+    utf8_args.reserve(static_cast<size_t>(argc));
+
+    for (int index = 0; index < argc; index++) {
+        const std::wstring_view wide(argv[index]);
+        const std::u16string utf16(wide.begin(), wide.end());
+
+        utf8_args.push_back(Common::Utf16ToUtf8(utf16));
+    }
+
+    std::vector<char*> utf8_argv;
+    utf8_argv.reserve(utf8_args.size());
+
+    for (auto& argument: utf8_args) {
+        utf8_argv.push_back(argument.data());
+    }
+
+    return Main(argc, utf8_argv.data());
+}
+
+#else
+
+int main(int argc, char* argv[]) {
+    return Main(argc, argv);
+}
+
+#endif