1 files changed, 28 insertions, 0 deletions
diff --git a/src/tz_info.hh b/src/tz_info.hh
new file mode 100644
index 0000000..eb44e58
--- /dev/null
+++ b/src/tz_info.hh
@@ -0,0 +1,28 @@
+#ifndef TZ_INFO_HH
+#define TZ_INFO_HH
+
+#include <filesystem>
+#include <memory>
+#include <optional>
+#include <string_view>
+
+class Logger;
+
+class TzInfo {
+public:
+  virtual ~TzInfo() = default;
+
+  static std::unique_ptr<TzInfo> create(std::shared_ptr<Logger> logger,
+                                        std::filesystem::path tzinfo_dir);
+
+  virtual std::optional<time_t> get_local_time(std::string_view tzname,
+                                               time_t utc_time) const = 0;
+
+
+protected:
+  TzInfo() = default;
+  TzInfo(TzInfo const&) = delete;
+  TzInfo& operator=(TzInfo const&) = delete;
+};
+
+#endif  // TZ_INFO_HH