New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/storage/country_name_getter.hpp

@@ -0,0 +1,42 @@
+#pragma once
+
+#include "storage/storage_defines.hpp"
+
+#include "platform/get_text_by_id.hpp"
+
+#include <memory>
+#include <string>
+
+namespace storage
+{
+/// CountryNameGetter is responsible for generating text name for CountryId in a specified locale
+/// To get this country name use operator().
+/// If the country caption is not available for specified locale, class tries to find it in
+/// English locale.
+class CountryNameGetter
+{
+public:
+  /// @return current locale. For example "en", "ru", "zh-Hant" and so on.
+  /// \note The method returns correct locale after SetLocale has been called.
+  /// If not, it returns an empty string.
+  std::string GetLocale() const;
+
+  /// \brief Sets a locale.
+  /// @param locale is a string representation of locale. For example "en", "ru", "zh-Hant" and so on.
+  /// \note See countries/languages.txt for the full list of available locales.
+  void SetLocale(std::string const & locale);
+
+  /// \brief Gets localized string for key. If not found returns empty string.
+  /// @param key is a string for lookup.
+  /// \note Unlike operator (), does not return key if localized string is not found.
+  std::string Get(std::string const & key) const;
+
+  std::string operator()(CountryId const & countryId) const;
+
+  // for testing
+  void SetLocaleForTesting(std::string const & jsonBuffer, std::string const & locale);
+
+private:
+  std::unique_ptr<platform::GetTextById> m_getCurLang;
+};
+}  // namespace storage