From 0cf642f763b1ab8cdb3c52db80cf38e380c82a19 Mon Sep 17 00:00:00 2001
From: Dan Sinclair <dsinclair@chromium.org>
Date: Wed, 29 Mar 2017 14:50:40 -0400
Subject: Rename CFX_Unitime to CFX_DateTime
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The name Unitime did not give any indication of what the class
contained. This Cl renames to DateTime to more accurately refect the
class holds a date and time.

Change-Id: I95f96224822f46a7da46ae39c71d2e23fc16f7d5
Reviewed-on: https://pdfium-review.googlesource.com/3255
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
---
 xfa/fgas/localization/cfx_datetime.cpp | 129 +++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 xfa/fgas/localization/cfx_datetime.cpp

(limited to 'xfa/fgas/localization/cfx_datetime.cpp')

diff --git a/xfa/fgas/localization/cfx_datetime.cpp b/xfa/fgas/localization/cfx_datetime.cpp
new file mode 100644
index 0000000000..eb804eed7a
--- /dev/null
+++ b/xfa/fgas/localization/cfx_datetime.cpp
@@ -0,0 +1,129 @@
+// 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/fx_system.h"
+#include "xfa/fgas/localization/cfx_datetime.h"
+
+#if _FX_OS_ == _FX_LINUX_DESKTOP_ || _FX_OS_ == _FX_ANDROID_ || \
+    _FX_OS_ == _FX_MACOSX_ || _FX_OS_ == _FX_IOS_
+#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_WIN32_MOBILE_ || \
+    _FX_OS_ == _FX_WIN64_
+  ::GetLocalTime((LPSYSTEMTIME)&utLocal);
+#elif _FX_OS_ != _FX_EMBEDDED_
+  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_WIN32_MOBILE_ || \
+        // _FX_OS_ == _FX_WIN64_
+
+  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;
+}
-- 
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