119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that
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// can be found in the LICENSE file.
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#include "libcef/common/time_util.h"
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#include <tuple>
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#if BUILDFLAG(IS_WIN)
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#include <limits>
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namespace {
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// From MSDN, FILETIME "Contains a 64-bit value representing the number of
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// 100-nanosecond intervals since January 1, 1601 (UTC)." This value must
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// be less than 0x8000000000000000. Otherwise, the function
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// FileTimeToSystemTime fails.
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// From base/time/time_win.cc:
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bool CanConvertToFileTime(int64_t us) {
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return us >= 0 && us <= (std::numeric_limits<int64_t>::max() / 10);
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}
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} // namespace
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#endif // BUILDFLAG(IS_WIN)
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void cef_time_to_basetime(const cef_time_t& cef_time, base::Time& time) {
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base::Time::Exploded exploded;
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exploded.year = cef_time.year;
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exploded.month = cef_time.month;
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exploded.day_of_week = cef_time.day_of_week;
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exploded.day_of_month = cef_time.day_of_month;
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exploded.hour = cef_time.hour;
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exploded.minute = cef_time.minute;
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exploded.second = cef_time.second;
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exploded.millisecond = cef_time.millisecond;
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std::ignore = base::Time::FromUTCExploded(exploded, &time);
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}
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void cef_time_from_basetime(const base::Time& time, cef_time_t& cef_time) {
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#if BUILDFLAG(IS_WIN)
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int64_t t = time.ToDeltaSinceWindowsEpoch().InMicroseconds();
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if (!CanConvertToFileTime(t))
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return;
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#endif
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base::Time::Exploded exploded;
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time.UTCExplode(&exploded);
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cef_time.year = exploded.year;
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cef_time.month = exploded.month;
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cef_time.day_of_week = exploded.day_of_week;
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cef_time.day_of_month = exploded.day_of_month;
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cef_time.hour = exploded.hour;
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cef_time.minute = exploded.minute;
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cef_time.second = exploded.second;
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cef_time.millisecond = exploded.millisecond;
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}
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CEF_EXPORT int cef_time_to_timet(const cef_time_t* cef_time, time_t* time) {
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if (!cef_time || !time)
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return 0;
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base::Time base_time;
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cef_time_to_basetime(*cef_time, base_time);
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*time = base_time.ToTimeT();
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return 1;
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}
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CEF_EXPORT int cef_time_from_timet(time_t time, cef_time_t* cef_time) {
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if (!cef_time)
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return 0;
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base::Time base_time = base::Time::FromTimeT(time);
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cef_time_from_basetime(base_time, *cef_time);
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return 1;
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}
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CEF_EXPORT int cef_time_to_doublet(const cef_time_t* cef_time, double* time) {
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if (!cef_time || !time)
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return 0;
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base::Time base_time;
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cef_time_to_basetime(*cef_time, base_time);
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*time = base_time.ToDoubleT();
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return 1;
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}
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CEF_EXPORT int cef_time_from_doublet(double time, cef_time_t* cef_time) {
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if (!cef_time)
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return 0;
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base::Time base_time = base::Time::FromDoubleT(time);
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cef_time_from_basetime(base_time, *cef_time);
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return 1;
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}
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CEF_EXPORT int cef_time_now(cef_time_t* cef_time) {
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if (!cef_time)
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return 0;
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base::Time base_time = base::Time::Now();
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cef_time_from_basetime(base_time, *cef_time);
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return 1;
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}
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CEF_EXPORT int cef_time_delta(const cef_time_t* cef_time1,
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const cef_time_t* cef_time2,
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long long* delta) {
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if (!cef_time1 || !cef_time2 || !delta)
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return 0;
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base::Time base_time1, base_time2;
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cef_time_to_basetime(*cef_time1, base_time1);
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cef_time_to_basetime(*cef_time2, base_time2);
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base::TimeDelta time_delta = base_time2 - base_time1;
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*delta = time_delta.InMilliseconds();
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return 1;
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}
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