Duckstation/src/common/timestamp.h

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2020-01-10 03:31:12 +00:00
#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
};