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Diffstat (limited to 'ipc/chromium/src/base/time.cc')
-rw-r--r-- | ipc/chromium/src/base/time.cc | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/ipc/chromium/src/base/time.cc b/ipc/chromium/src/base/time.cc new file mode 100644 index 0000000000..dca9c83d93 --- /dev/null +++ b/ipc/chromium/src/base/time.cc @@ -0,0 +1,104 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/time.h" +#include "base/string_util.h" +#include "base/sys_string_conversions.h" +#include "prtime.h" + +#include "base/logging.h" + +namespace base { + +// TimeDelta ------------------------------------------------------------------ + +int TimeDelta::InDays() const { + return static_cast<int>(delta_ / Time::kMicrosecondsPerDay); +} + +int TimeDelta::InHours() const { + return static_cast<int>(delta_ / Time::kMicrosecondsPerHour); +} + +int TimeDelta::InMinutes() const { + return static_cast<int>(delta_ / Time::kMicrosecondsPerMinute); +} + +double TimeDelta::InSecondsF() const { + return static_cast<double>(delta_) / Time::kMicrosecondsPerSecond; +} + +int64_t TimeDelta::InSeconds() const { + return delta_ / Time::kMicrosecondsPerSecond; +} + +double TimeDelta::InMillisecondsF() const { + return static_cast<double>(delta_) / Time::kMicrosecondsPerMillisecond; +} + +int64_t TimeDelta::InMilliseconds() const { + return delta_ / Time::kMicrosecondsPerMillisecond; +} + +int64_t TimeDelta::InMicroseconds() const { + return delta_; +} + +// Time ----------------------------------------------------------------------- + +// static +Time Time::FromTimeT(time_t tt) { + if (tt == 0) + return Time(); // Preserve 0 so we can tell it doesn't exist. + return Time((tt * kMicrosecondsPerSecond) + kTimeTToMicrosecondsOffset); +} + +time_t Time::ToTimeT() const { + if (us_ == 0) + return 0; // Preserve 0 so we can tell it doesn't exist. + return (us_ - kTimeTToMicrosecondsOffset) / kMicrosecondsPerSecond; +} + +// static +Time Time::FromDoubleT(double dt) { + return Time((dt * static_cast<double>(kMicrosecondsPerSecond)) + + kTimeTToMicrosecondsOffset); +} + +double Time::ToDoubleT() const { + if (us_ == 0) + return 0; // Preserve 0 so we can tell it doesn't exist. + return (static_cast<double>(us_ - kTimeTToMicrosecondsOffset) / + static_cast<double>(kMicrosecondsPerSecond)); +} + +Time Time::LocalMidnight() const { + Exploded exploded; + LocalExplode(&exploded); + exploded.hour = 0; + exploded.minute = 0; + exploded.second = 0; + exploded.millisecond = 0; + return FromLocalExploded(exploded); +} + +// static +bool Time::FromString(const wchar_t* time_string, Time* parsed_time) { + DCHECK((time_string != NULL) && (parsed_time != NULL)); + std::string ascii_time_string = SysWideToUTF8(time_string); + if (ascii_time_string.length() == 0) + return false; + PRTime result_time = 0; + PRStatus result = PR_ParseTimeString(ascii_time_string.c_str(), PR_FALSE, + &result_time); + if (PR_SUCCESS != result) + return false; + result_time += kTimeTToMicrosecondsOffset; + *parsed_time = Time(result_time); + return true; +} + +} // namespace base |