diff -r 00d1dd4f816a -r b498c00cc32f include/relpipe/cli/CLI.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/relpipe/cli/CLI.h	Sun Aug 12 12:32:39 2018 +0200
@@ -0,0 +1,64 @@
+#pragma once
+
+#include <locale.h>
+#include <string>
+#include <vector>
+#include <sstream>
+#include <locale>
+#include <codecvt>
+
+using namespace std;
+
+namespace relpipe {
+namespace cli {
+
+/**
+ * TODO: move to relpipe-lib-cli (a common header-only library)
+ */
+class CLI {
+public:
+
+	CLI(int argc, char* argv[]) {
+		setlocale(LC_ALL, "");
+
+		this->argc = &argc;
+		this->argv = &argv;
+
+		program = convertor.from_bytes(argv[0]);
+
+		for (int i = 1; i < argc; i++) {
+			args.insert(args.end(), convertor.from_bytes(argv[i]));
+		}
+
+	}
+
+	CLI(const CLI& orig) {
+	}
+
+	virtual ~CLI() {
+	}
+
+	const wstring programName() {
+		return (const wstring) program;
+	}
+
+	const vector<wstring> arguments() {
+		return (const vector<wstring>)args;
+	}
+
+	static const int EXIT_CODE_SUCCESS = 0;
+	static const int EXIT_CODE_UNEXPECTED_ERROR = 1;
+	static const int EXIT_CODE_BAD_SYNTAX = 3;
+	static const int EXIT_CODE_UNKNOWN_COMMAND = 4;
+	static const int EXIT_CODE_DATA_ERROR = 5;
+
+private:
+	int* argc;
+	char*** argv;
+	wstring program;
+	vector<wstring> args;
+	wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings.
+};
+
+}
+}