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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "core/fxcrt/cfx_datetime.h"
#include "core/fxcrt/fx_system.h"
#if _FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_ANDROID_ || \
_FX_OS_ == _FX_MACOSX_
#include <sys/time.h>
#include <time.h>
#endif
namespace {
const uint8_t g_FXDaysPerMonth[12] = {31, 28, 31, 30, 31, 30,
31, 31, 30, 31, 30, 31};
const uint8_t g_FXDaysPerLeapMonth[12] = {31, 29, 31, 30, 31, 30,
31, 31, 30, 31, 30, 31};
const int32_t g_FXDaysBeforeMonth[12] = {0, 31, 59, 90, 120, 151,
181, 212, 243, 273, 304, 334};
const int32_t g_FXDaysBeforeLeapMonth[12] = {0, 31, 60, 91, 121, 152,
182, 213, 244, 274, 305, 335};
const int32_t g_FXDaysPerYear = 365;
const int32_t g_FXDaysPerLeapYear = 366;
int32_t DaysBeforeMonthInYear(int32_t iYear, uint8_t iMonth) {
ASSERT(iYear != 0);
ASSERT(iMonth >= 1 && iMonth <= 12);
const int32_t* p =
FX_IsLeapYear(iYear) ? g_FXDaysBeforeLeapMonth : g_FXDaysBeforeMonth;
return p[iMonth - 1];
}
int32_t DaysInYear(int32_t iYear) {
ASSERT(iYear != 0);
return FX_IsLeapYear(iYear) ? g_FXDaysPerLeapYear : g_FXDaysPerYear;
}
int64_t DateToDays(int32_t iYear,
uint8_t iMonth,
uint8_t iDay,
bool bIncludeThisDay) {
ASSERT(iYear != 0);
ASSERT(iMonth >= 1 && iMonth <= 12);
ASSERT(iDay >= 1 && iDay <= FX_DaysInMonth(iYear, iMonth));
int64_t iDays = DaysBeforeMonthInYear(iYear, iMonth);
iDays += iDay;
if (!bIncludeThisDay)
iDays--;
if (iYear > 0) {
iYear--;
} else {
iDays -= DaysInYear(iYear);
iYear++;
}
return iDays + static_cast<int64_t>(iYear) * 365 + iYear / 4 - iYear / 100 +
iYear / 400;
}
struct FXUT_SYSTEMTIME {
uint16_t wYear;
uint16_t wMonth;
uint16_t wDayOfWeek;
uint16_t wDay;
uint16_t wHour;
uint16_t wMinute;
uint16_t wSecond;
uint16_t wMillisecond;
};
} // namespace
uint8_t FX_DaysInMonth(int32_t iYear, uint8_t iMonth) {
ASSERT(iYear != 0);
ASSERT(iMonth >= 1 && iMonth <= 12);
const uint8_t* p =
FX_IsLeapYear(iYear) ? g_FXDaysPerLeapMonth : g_FXDaysPerMonth;
return p[iMonth - 1];
}
bool FX_IsLeapYear(int32_t iYear) {
ASSERT(iYear != 0);
return ((iYear % 4) == 0 && (iYear % 100) != 0) || (iYear % 400) == 0;
}
void CFX_DateTime::Now() {
FXUT_SYSTEMTIME utLocal;
#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_DESKTOP_
::GetLocalTime((LPSYSTEMTIME)&utLocal);
#else // _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_DESKTOP_
timeval curTime;
gettimeofday(&curTime, nullptr);
struct tm st;
localtime_r(&curTime.tv_sec, &st);
utLocal.wYear = st.tm_year + 1900;
utLocal.wMonth = st.tm_mon + 1;
utLocal.wDayOfWeek = st.tm_wday;
utLocal.wDay = st.tm_mday;
utLocal.wHour = st.tm_hour;
utLocal.wMinute = st.tm_min;
utLocal.wSecond = st.tm_sec;
utLocal.wMillisecond = curTime.tv_usec / 1000;
#endif // _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_DESKTOP_
year_ = utLocal.wYear;
month_ = static_cast<uint8_t>(utLocal.wMonth);
day_ = static_cast<uint8_t>(utLocal.wDay);
hour_ = static_cast<uint8_t>(utLocal.wHour);
minute_ = static_cast<uint8_t>(utLocal.wMinute);
second_ = static_cast<uint8_t>(utLocal.wSecond);
millisecond_ = static_cast<uint16_t>(utLocal.wMillisecond);
}
int32_t CFX_DateTime::GetDayOfWeek() const {
int32_t v = static_cast<int32_t>(DateToDays(year_, month_, day_, true) % 7);
if (v < 0)
v += 7;
return v;
}
bool CFX_DateTime::operator==(const CFX_DateTime& other) const {
return year_ == other.year_ && month_ == other.month_ && day_ == other.day_ &&
hour_ == other.hour_ && minute_ == other.minute_ &&
second_ == other.second_ && millisecond_ == other.millisecond_;
}
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