Reorganize source files into logical subdirectories

Co-authored-by: Hirek193 <23196899+Hirek193@users.noreply.github.com>

utilities/translation.h

@@ -0,0 +1,38 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#pragma once
+
+#include <string>
+#include <unordered_map>
+
+class locale {
+public:
+	void init();
+	std::string label_cab_control(const std::string &Label);
+	const std::string &coupling_name(int c);
+
+	const char* lookup_c(const char *msg, bool constant = false);
+	const std::string& lookup_s(const std::string &msg, bool constant = false);
+
+private:
+	bool parse_translation(std::istream &stream);
+	std::string parse_c_literal(const std::string &str);
+
+	std::unordered_map<std::string, std::string> lang_mapping;
+	std::unordered_map<const void*, const void*> pointer_cache;
+};
+
+extern locale Translations;
+
+#define STR(x) Translations.lookup_s(x, false)
+#define STR_C(x) Translations.lookup_c(x, true)
+#define STRN(x) x
+
+//find . -name "*.cpp" | xargs xgettext --from-code="UTF-8" -k --keyword=STR --keyword=STR_C --keyword=STRN