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