Remove YBaseLib dependency

src/common/timestamp.h

@@ -0,0 +1,75 @@
+#pragma once
+#include "types.h"
+#include "string.h"
+
+#if defined(WIN32)
+#include "windows_headers.h"
+#else
+#include <sys/time.h>
+#endif
+
+class Timestamp
+{
+public:
+  using UnixTimestampValue = u64;
+  struct ExpandedTime
+  {
+    u32 Year;         // 0-...
+    u32 Month;        // 1-12
+    u32 DayOfMonth;   // 1-31
+    u32 DayOfWeek;    // 0-6, starting at Sunday
+    u32 Hour;         // 0-23
+    u32 Minute;       // 0-59
+    u32 Second;       // 0-59
+    u32 Milliseconds; // 0-999
+  };
+
+public:
+  Timestamp();
+  Timestamp(const Timestamp& copy);
+
+  // readers
+  UnixTimestampValue AsUnixTimestamp() const;
+  ExpandedTime AsExpandedTime() const;
+
+  // calculators
+  double DifferenceInSeconds(Timestamp& other) const;
+  s64 DifferenceInSecondsInt(Timestamp& other) const;
+
+  // setters
+  void SetNow();
+  void SetUnixTimestamp(UnixTimestampValue value);
+  void SetExpandedTime(const ExpandedTime& value);
+
+  // string conversion
+  String ToString(const char* format) const;
+  void ToString(String& destination, const char* format) const;
+
+  // creators
+  static Timestamp Now();
+  static Timestamp FromUnixTimestamp(UnixTimestampValue value);
+  static Timestamp FromExpandedTime(const ExpandedTime& value);
+
+// windows-specific
+#ifdef WIN32
+  FILETIME AsFileTime();
+  void SetWindowsFileTime(const FILETIME* pFileTime);
+  static Timestamp FromWindowsFileTime(const FILETIME* pFileTime);
+#endif
+
+  // operators
+  bool operator==(const Timestamp& other) const;
+  bool operator!=(const Timestamp& other) const;
+  bool operator<(const Timestamp& other) const;
+  bool operator<=(const Timestamp& other) const;
+  bool operator>(const Timestamp& other) const;
+  bool operator>=(const Timestamp& other) const;
+  Timestamp& operator=(const Timestamp& other);
+
+private:
+#if defined(WIN32)
+  SYSTEMTIME m_value;
+#else
+  struct timeval m_value;
+#endif
+};