Remove CPDFSDK_DateTime entirely.

A previous CL has made it completely unused.

Change-Id: I54d178f69ac8ea3884c89526e4d2fb81cccc0f20
Reviewed-on: https://pdfium-review.googlesource.com/c/43511
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

4 files changed, 0 insertions, 452 deletions

diff --git a/fpdfsdk/cpdfsdk_annothandlermgr.cpp b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
index 0d1359512e..2fd7f925c1 100644
--- a/fpdfsdk/cpdfsdk_annothandlermgr.cpp
+++ b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
@@ -13,7 +13,6 @@
 #include "fpdfsdk/cpdfsdk_annotiterator.h"
 #include "fpdfsdk/cpdfsdk_baannot.h"
 #include "fpdfsdk/cpdfsdk_baannothandler.h"
-#include "fpdfsdk/cpdfsdk_datetime.h"
 #include "fpdfsdk/cpdfsdk_formfillenvironment.h"
 #include "fpdfsdk/cpdfsdk_pageview.h"
 #include "fpdfsdk/cpdfsdk_widget.h"
diff --git a/fpdfsdk/cpdfsdk_baannot.cpp b/fpdfsdk/cpdfsdk_baannot.cpp
index 6f5e3f95a6..4b164982f7 100644
--- a/fpdfsdk/cpdfsdk_baannot.cpp
+++ b/fpdfsdk/cpdfsdk_baannot.cpp
@@ -17,7 +17,6 @@
 #include "core/fpdfapi/parser/cpdf_stream.h"
 #include "core/fpdfapi/parser/cpdf_string.h"
 #include "core/fpdfapi/parser/fpdf_parser_decode.h"
-#include "fpdfsdk/cpdfsdk_datetime.h"
 #include "fpdfsdk/cpdfsdk_pageview.h"
 
 CPDFSDK_BAAnnot::CPDFSDK_BAAnnot(CPDF_Annot* pAnnot,
diff --git a/fpdfsdk/cpdfsdk_datetime.cpp b/fpdfsdk/cpdfsdk_datetime.cpp
deleted file mode 100644
index f0d50911aa..0000000000
--- a/fpdfsdk/cpdfsdk_datetime.cpp
+++ /dev/null
@@ -1,407 +0,0 @@
-// Copyright 2016 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 "fpdfsdk/cpdfsdk_datetime.h"
-
-#include "core/fxcrt/fx_extension.h"
-
-namespace {
-
-int GetTimeZoneInSeconds(int8_t tzhour, uint8_t tzminute) {
-  return (int)tzhour * 3600 + (int)tzminute * (tzhour >= 0 ? 60 : -60);
-}
-
-bool IsLeapYear(int16_t year) {
-  return ((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0)));
-}
-
-uint16_t GetYearDays(int16_t year) {
-  return (IsLeapYear(year) ? 366 : 365);
-}
-
-uint8_t GetMonthDays(int16_t year, uint8_t month) {
-  uint8_t mDays;
-  switch (month) {
-    case 1:
-    case 3:
-    case 5:
-    case 7:
-    case 8:
-    case 10:
-    case 12:
-      mDays = 31;
-      break;
-
-    case 4:
-    case 6:
-    case 9:
-    case 11:
-      mDays = 30;
-      break;
-
-    case 2:
-      if (IsLeapYear(year))
-        mDays = 29;
-      else
-        mDays = 28;
-      break;
-
-    default:
-      mDays = 0;
-      break;
-  }
-
-  return mDays;
-}
-
-}  // namespace
-
-CPDFSDK_DateTime::CPDFSDK_DateTime() {
-  ResetDateTime();
-}
-
-CPDFSDK_DateTime::CPDFSDK_DateTime(const ByteString& dtStr) {
-  ResetDateTime();
-  FromPDFDateTimeString(dtStr);
-}
-
-CPDFSDK_DateTime::CPDFSDK_DateTime(const CPDFSDK_DateTime& that)
-    : m_year(that.m_year),
-      m_month(that.m_month),
-      m_day(that.m_day),
-      m_hour(that.m_hour),
-      m_minute(that.m_minute),
-      m_second(that.m_second),
-      m_tzHour(that.m_tzHour),
-      m_tzMinute(that.m_tzMinute) {}
-
-CPDFSDK_DateTime::CPDFSDK_DateTime(const FX_SYSTEMTIME& st) {
-  tzset();
-
-  m_year = static_cast<int16_t>(st.wYear);
-  m_month = static_cast<uint8_t>(st.wMonth);
-  m_day = static_cast<uint8_t>(st.wDay);
-  m_hour = static_cast<uint8_t>(st.wHour);
-  m_minute = static_cast<uint8_t>(st.wMinute);
-  m_second = static_cast<uint8_t>(st.wSecond);
-}
-
-void CPDFSDK_DateTime::ResetDateTime() {
-  tzset();
-
-  time_t curTime;
-  FXSYS_time(&curTime);
-
-  struct tm* newtime = localtime(&curTime);
-  m_year = newtime->tm_year + 1900;
-  m_month = newtime->tm_mon + 1;
-  m_day = newtime->tm_mday;
-  m_hour = newtime->tm_hour;
-  m_minute = newtime->tm_min;
-  m_second = newtime->tm_sec;
-}
-
-bool CPDFSDK_DateTime::operator==(const CPDFSDK_DateTime& that) const {
-  return m_year == that.m_year && m_month == that.m_month &&
-         m_day == that.m_day && m_hour == that.m_hour &&
-         m_minute == that.m_minute && m_second == that.m_second &&
-         m_tzHour == that.m_tzHour && m_tzMinute == that.m_tzMinute;
-}
-
-bool CPDFSDK_DateTime::operator!=(const CPDFSDK_DateTime& datetime) const {
-  return !(*this == datetime);
-}
-
-time_t CPDFSDK_DateTime::ToTime_t() const {
-  struct tm newtime;
-
-  newtime.tm_year = m_year - 1900;
-  newtime.tm_mon = m_month - 1;
-  newtime.tm_mday = m_day;
-  newtime.tm_hour = m_hour;
-  newtime.tm_min = m_minute;
-  newtime.tm_sec = m_second;
-
-  return mktime(&newtime);
-}
-
-CPDFSDK_DateTime& CPDFSDK_DateTime::FromPDFDateTimeString(
-    const ByteString& dtStr) {
-  int strLength = dtStr.GetLength();
-  if (strLength <= 0)
-    return *this;
-
-  int i = 0;
-  while (i < strLength && !std::isdigit(dtStr[i]))
-    ++i;
-
-  if (i >= strLength)
-    return *this;
-
-  int j = 0;
-  int k = 0;
-  char ch;
-  while (i < strLength && j < 4) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_year = static_cast<int16_t>(k);
-  if (i >= strLength || j < 4)
-    return *this;
-
-  j = 0;
-  k = 0;
-  while (i < strLength && j < 2) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_month = static_cast<uint8_t>(k);
-  if (i >= strLength || j < 2)
-    return *this;
-
-  j = 0;
-  k = 0;
-  while (i < strLength && j < 2) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_day = static_cast<uint8_t>(k);
-  if (i >= strLength || j < 2)
-    return *this;
-
-  j = 0;
-  k = 0;
-  while (i < strLength && j < 2) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_hour = static_cast<uint8_t>(k);
-  if (i >= strLength || j < 2)
-    return *this;
-
-  j = 0;
-  k = 0;
-  while (i < strLength && j < 2) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_minute = static_cast<uint8_t>(k);
-  if (i >= strLength || j < 2)
-    return *this;
-
-  j = 0;
-  k = 0;
-  while (i < strLength && j < 2) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_second = static_cast<uint8_t>(k);
-  if (i >= strLength || j < 2)
-    return *this;
-
-  ch = dtStr[i++];
-  if (ch != '-' && ch != '+')
-    return *this;
-  if (ch == '-')
-    m_tzHour = -1;
-  else
-    m_tzHour = 1;
-  j = 0;
-  k = 0;
-  while (i < strLength && j < 2) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_tzHour *= static_cast<int8_t>(k);
-  if (i >= strLength || j < 2)
-    return *this;
-
-  if (dtStr[i++] != '\'')
-    return *this;
-  j = 0;
-  k = 0;
-  while (i < strLength && j < 2) {
-    ch = dtStr[i];
-    k = k * 10 + FXSYS_DecimalCharToInt(ch);
-    j++;
-    if (!std::isdigit(ch))
-      break;
-    i++;
-  }
-  m_tzMinute = static_cast<uint8_t>(k);
-  return *this;
-}
-
-ByteString CPDFSDK_DateTime::ToCommonDateTimeString() {
-  return ByteString::Format("%04d-%02u-%02u %02u:%02u:%02u ", m_year, m_month,
-                            m_day, m_hour, m_minute, m_second) +
-         (m_tzHour < 0 ? "-" : "+") +
-         ByteString::Format("%02d:%02u", std::abs(static_cast<int>(m_tzHour)),
-                            m_tzMinute);
-}
-
-ByteString CPDFSDK_DateTime::ToPDFDateTimeString() {
-  ByteString dtStr;
-  char tempStr[32];
-  memset(tempStr, 0, sizeof(tempStr));
-  FXSYS_snprintf(tempStr, sizeof(tempStr) - 1, "D:%04d%02u%02u%02u%02u%02u",
-                 m_year, m_month, m_day, m_hour, m_minute, m_second);
-  dtStr = ByteString(tempStr);
-  if (m_tzHour < 0)
-    dtStr += ByteString("-");
-  else
-    dtStr += ByteString("+");
-  memset(tempStr, 0, sizeof(tempStr));
-  FXSYS_snprintf(tempStr, sizeof(tempStr) - 1, "%02d'%02u'",
-                 std::abs(static_cast<int>(m_tzHour)), m_tzMinute);
-  dtStr += ByteString(tempStr);
-  return dtStr;
-}
-
-void CPDFSDK_DateTime::ToSystemTime(FX_SYSTEMTIME& st) {
-  time_t t = this->ToTime_t();
-  struct tm* pTime = localtime(&t);
-
-  if (!pTime)
-    return;
-
-  st.wYear = static_cast<uint16_t>(pTime->tm_year) + 1900;
-  st.wMonth = static_cast<uint16_t>(pTime->tm_mon) + 1;
-  st.wDay = static_cast<uint16_t>(pTime->tm_mday);
-  st.wDayOfWeek = static_cast<uint16_t>(pTime->tm_wday);
-  st.wHour = static_cast<uint16_t>(pTime->tm_hour);
-  st.wMinute = static_cast<uint16_t>(pTime->tm_min);
-  st.wSecond = static_cast<uint16_t>(pTime->tm_sec);
-  st.wMilliseconds = 0;
-}
-
-CPDFSDK_DateTime CPDFSDK_DateTime::ToGMT() const {
-  CPDFSDK_DateTime new_dt = *this;
-  new_dt.AddSeconds(-GetTimeZoneInSeconds(new_dt.m_tzHour, new_dt.m_tzMinute));
-  new_dt.m_tzHour = 0;
-  new_dt.m_tzMinute = 0;
-  return new_dt;
-}
-
-CPDFSDK_DateTime& CPDFSDK_DateTime::AddDays(short days) {
-  if (days == 0)
-    return *this;
-
-  int16_t y = m_year;
-  uint8_t m = m_month;
-  uint8_t d = m_day;
-
-  int ldays = days;
-  if (ldays > 0) {
-    int16_t yy = y;
-    if ((static_cast<uint16_t>(m) * 100 + d) > 300)
-      yy++;
-    int ydays = GetYearDays(yy);
-    int mdays;
-    while (ldays >= ydays) {
-      y++;
-      ldays -= ydays;
-      yy++;
-      mdays = GetMonthDays(y, m);
-      if (d > mdays) {
-        m++;
-        d -= mdays;
-      }
-      ydays = GetYearDays(yy);
-    }
-    mdays = GetMonthDays(y, m) - d + 1;
-    while (ldays >= mdays) {
-      ldays -= mdays;
-      m++;
-      d = 1;
-      mdays = GetMonthDays(y, m);
-    }
-    d += ldays;
-  } else {
-    ldays *= -1;
-    int16_t yy = y;
-    if ((static_cast<uint16_t>(m) * 100 + d) < 300)
-      yy--;
-    int ydays = GetYearDays(yy);
-    while (ldays >= ydays) {
-      y--;
-      ldays -= ydays;
-      yy--;
-      int mdays = GetMonthDays(y, m);
-      if (d > mdays) {
-        m++;
-        d -= mdays;
-      }
-      ydays = GetYearDays(yy);
-    }
-    while (ldays >= d) {
-      ldays -= d;
-      m--;
-      d = GetMonthDays(y, m);
-    }
-    d -= ldays;
-  }
-
-  m_year = y;
-  m_month = m;
-  m_day = d;
-
-  return *this;
-}
-
-CPDFSDK_DateTime& CPDFSDK_DateTime::AddSeconds(int seconds) {
-  if (seconds == 0)
-    return *this;
-
-  int n;
-  int days;
-
-  n = m_hour * 3600 + m_minute * 60 + m_second + seconds;
-  if (n < 0) {
-    days = (n - 86399) / 86400;
-    n -= days * 86400;
-  } else {
-    days = n / 86400;
-    n %= 86400;
-  }
-  m_hour = static_cast<uint8_t>(n / 3600);
-  m_hour %= 24;
-  n %= 3600;
-  m_minute = static_cast<uint8_t>(n / 60);
-  m_second = static_cast<uint8_t>(n % 60);
-  if (days != 0)
-    AddDays(days);
-
-  return *this;
-}
diff --git a/fpdfsdk/cpdfsdk_datetime.h b/fpdfsdk/cpdfsdk_datetime.h
deleted file mode 100644
index 08d8c2bc8a..0000000000
--- a/fpdfsdk/cpdfsdk_datetime.h
+++ /dev/null
@@ -1,43 +0,0 @@
-// Copyright 2016 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
-
-#ifndef FPDFSDK_CPDFSDK_DATETIME_H_
-#define FPDFSDK_CPDFSDK_DATETIME_H_
-
-#include "fpdfsdk/cfx_systemhandler.h"
-
-class CPDFSDK_DateTime {
- public:
-  CPDFSDK_DateTime();
-  explicit CPDFSDK_DateTime(const ByteString& dtStr);
-  explicit CPDFSDK_DateTime(const FX_SYSTEMTIME& st);
-  CPDFSDK_DateTime(const CPDFSDK_DateTime& datetime);
-
-  bool operator==(const CPDFSDK_DateTime& datetime) const;
-  bool operator!=(const CPDFSDK_DateTime& datetime) const;
-
-  CPDFSDK_DateTime& FromPDFDateTimeString(const ByteString& dtStr);
-  ByteString ToCommonDateTimeString();
-  ByteString ToPDFDateTimeString();
-  void ToSystemTime(FX_SYSTEMTIME& st);
-  time_t ToTime_t() const;
-  CPDFSDK_DateTime ToGMT() const;
-  CPDFSDK_DateTime& AddDays(short days);
-  CPDFSDK_DateTime& AddSeconds(int seconds);
-  void ResetDateTime();
-
- private:
-  int16_t m_year;
-  uint8_t m_month;
-  uint8_t m_day;
-  uint8_t m_hour;
-  uint8_t m_minute;
-  uint8_t m_second;
-  int8_t m_tzHour;
-  uint8_t m_tzMinute;
-};
-
-#endif  // FPDFSDK_CPDFSDK_DATETIME_H_