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comparison: ipc/chromium/src/base/time.cc
ipc/chromium/src/base/time.cc
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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/time.h" | |
| 6 #include "base/string_util.h" | |
| 7 #include "base/sys_string_conversions.h" | |
| 8 #include "prtime.h" | |
| 9 | |
| 10 #include "base/logging.h" | |
| 11 | |
| 12 namespace base { | |
| 13 | |
| 14 // TimeDelta ------------------------------------------------------------------ | |
| 15 | |
| 16 int TimeDelta::InDays() const { | |
| 17 return static_cast<int>(delta_ / Time::kMicrosecondsPerDay); | |
| 18 } | |
| 19 | |
| 20 int TimeDelta::InHours() const { | |
| 21 return static_cast<int>(delta_ / Time::kMicrosecondsPerHour); | |
| 22 } | |
| 23 | |
| 24 int TimeDelta::InMinutes() const { | |
| 25 return static_cast<int>(delta_ / Time::kMicrosecondsPerMinute); | |
| 26 } | |
| 27 | |
| 28 double TimeDelta::InSecondsF() const { | |
| 29 return static_cast<double>(delta_) / Time::kMicrosecondsPerSecond; | |
| 30 } | |
| 31 | |
| 32 int64_t TimeDelta::InSeconds() const { | |
| 33 return delta_ / Time::kMicrosecondsPerSecond; | |
| 34 } | |
| 35 | |
| 36 double TimeDelta::InMillisecondsF() const { | |
| 37 return static_cast<double>(delta_) / Time::kMicrosecondsPerMillisecond; | |
| 38 } | |
| 39 | |
| 40 int64_t TimeDelta::InMilliseconds() const { | |
| 41 return delta_ / Time::kMicrosecondsPerMillisecond; | |
| 42 } | |
| 43 | |
| 44 int64_t TimeDelta::InMicroseconds() const { | |
| 45 return delta_; | |
| 46 } | |
| 47 | |
| 48 // Time ----------------------------------------------------------------------- | |
| 49 | |
| 50 // static | |
| 51 Time Time::FromTimeT(time_t tt) { | |
| 52 if (tt == 0) | |
| 53 return Time(); // Preserve 0 so we can tell it doesn't exist. | |
| 54 return (tt * kMicrosecondsPerSecond) + kTimeTToMicrosecondsOffset; | |
| 55 } | |
| 56 | |
| 57 time_t Time::ToTimeT() const { | |
| 58 if (us_ == 0) | |
| 59 return 0; // Preserve 0 so we can tell it doesn't exist. | |
| 60 return (us_ - kTimeTToMicrosecondsOffset) / kMicrosecondsPerSecond; | |
| 61 } | |
| 62 | |
| 63 // static | |
| 64 Time Time::FromDoubleT(double dt) { | |
| 65 return (dt * static_cast<double>(kMicrosecondsPerSecond)) + | |
| 66 kTimeTToMicrosecondsOffset; | |
| 67 } | |
| 68 | |
| 69 double Time::ToDoubleT() const { | |
| 70 if (us_ == 0) | |
| 71 return 0; // Preserve 0 so we can tell it doesn't exist. | |
| 72 return (static_cast<double>(us_ - kTimeTToMicrosecondsOffset) / | |
| 73 static_cast<double>(kMicrosecondsPerSecond)); | |
| 74 } | |
| 75 | |
| 76 Time Time::LocalMidnight() const { | |
| 77 Exploded exploded; | |
| 78 LocalExplode(&exploded); | |
| 79 exploded.hour = 0; | |
| 80 exploded.minute = 0; | |
| 81 exploded.second = 0; | |
| 82 exploded.millisecond = 0; | |
| 83 return FromLocalExploded(exploded); | |
| 84 } | |
| 85 | |
| 86 // static | |
| 87 bool Time::FromString(const wchar_t* time_string, Time* parsed_time) { | |
| 88 DCHECK((time_string != NULL) && (parsed_time != NULL)); | |
| 89 std::string ascii_time_string = SysWideToUTF8(time_string); | |
| 90 if (ascii_time_string.length() == 0) | |
| 91 return false; | |
| 92 PRTime result_time = 0; | |
| 93 PRStatus result = PR_ParseTimeString(ascii_time_string.c_str(), PR_FALSE, | |
| 94 &result_time); | |
| 95 if (PR_SUCCESS != result) | |
| 96 return false; | |
| 97 result_time += kTimeTToMicrosecondsOffset; | |
| 98 *parsed_time = Time(result_time); | |
| 99 return true; | |
| 100 } | |
| 101 | |
| 102 } // namespace base |
