Adds lib-string-utils

libraries/lib-string-utils/DateTimeConversions.h

@@ -0,0 +1,24 @@
+/*!********************************************************************
+
+ Audacity: A Digital Audio Editor
+
+ @file DateTimeConversions.h
+ @brief Declare functions to work with date and time string representations.
+
+ Dmitry Vedenko
+ **********************************************************************/
+
+#pragma once
+
+#include <chrono>
+#include <string>
+
+namespace audacity
+{
+
+using SystemTime = std::chrono::system_clock::time_point;
+
+STRING_UTILS_API bool ParseRFC822Date (const std::string& dateString, SystemTime* time);
+STRING_UTILS_API std::string SerializeRFC822Date (SystemTime timePoint);
+
+}