chore: introduce Windows-specific argument parsing to v2 namespace.

src/headers/parser/platform_headers/windows_parser.hpp

@@ -1,11 +1,19 @@
 #pragma once
 #ifdef _WIN32
 #include <argument_parser.hpp>
+#include <parser_v2.hpp>
 
 namespace argument_parser {
 	class windows_parser : public base_parser {
 	public:
 		windows_parser();
 	};
+
+	namespace v2 {
+		class windows_parser : public v2::base_parser {
+		public:
+			windows_parser();
+		};
+	} // namespace v2
 } // namespace argument_parser
 #endif

src/source/parser/platform_parsers/windows_parser.cpp

@@ -3,6 +3,7 @@
 #include "windows_parser.hpp"
 
 #include <Windows.h>
+#include <memory>
 #include <shellapi.h>
 #include <string>
 
@@ -23,20 +24,38 @@ std::string utf8_from_wstring(const std::wstring &w) {
 	return out;
 }
 
+struct local_free_deleter {
+	void operator()(void *ptr) const {
+		if (ptr == nullptr) {
+			return;
+		}
+		LocalFree(static_cast<HLOCAL>(ptr));
+	}
+};
+
+void parse_windows_arguments(std::vector<std::string> &parsed_arguments) {
+	int argc_w;
+	std::unique_ptr<LPWSTR[], local_free_deleter> argv_w(CommandLineToArgvW(GetCommandLineW(), &argc_w));
+	if (argv_w == nullptr) {
+		throw std::runtime_error("CommandLineToArgvW failed");
+	}
+
+	for (int i = 0; i < argc_w; i++) {
+		std::string arg = utf8_from_wstring(argv_w[i]);
+		parsed_arguments.emplace_back(arg);
+	}
+}
+
 namespace argument_parser {
 	windows_parser::windows_parser() {
-		LPWSTR *argv_w;
+		parse_windows_arguments(parsed_arguments);
-		int argc_w;
-		argv_w = CommandLineToArgvW(GetCommandLineW(), &argc_w);
-		if (argv_w == nullptr) {
-			throw std::runtime_error("CommandLineToArgvW failed");
-		}
-		for (int i = 0; i < argc_w; i++) {
-			std::string arg = utf8_from_wstring(argv_w[i]);
-			parsed_arguments.emplace_back(arg);
-		}
-		LocalFree(argv_w);
 	}
 } // namespace argument_parser
 
+namespace argument_parser::v2 {
+	windows_parser::windows_parser() {
+		parse_windows_arguments(ref_parsed_args());
+	}
+} // namespace argument_parser::v2
+
 #endif