1b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer#region Copyright notice and license 2b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// Protocol Buffers - Google's data interchange format 3b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// Copyright 2015 Google Inc. All rights reserved. 4b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// https://developers.google.com/protocol-buffers/ 5b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// 6b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// Redistribution and use in source and binary forms, with or without 7b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// modification, are permitted provided that the following conditions are 8b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// met: 9b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// 10b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// * Redistributions of source code must retain the above copyright 11b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// notice, this list of conditions and the following disclaimer. 12b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// * Redistributions in binary form must reproduce the above 13b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// copyright notice, this list of conditions and the following disclaimer 14b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// in the documentation and/or other materials provided with the 15b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// distribution. 16b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// * Neither the name of Google Inc. nor the names of its 17b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// contributors may be used to endorse or promote products derived from 18b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// this software without specific prior written permission. 19b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// 20b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer#endregion 32b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 33b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammerusing System; 34b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammerusing System.Globalization; 35b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammerusing System.Text; 36b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 37b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammernamespace Google.Protobuf.WellKnownTypes 38b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer{ 39b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // Manually-written partial class for the Duration well-known type, 40b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // providing a conversion to TimeSpan and convenience operators. 41b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public partial class Duration : ICustomDiagnosticMessage 42b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 43b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 44b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// The number of nanoseconds in a second. 45b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 46b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public const int NanosecondsPerSecond = 1000000000; 47b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 48b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// The number of nanoseconds in a BCL tick (as used by <see cref="TimeSpan"/> and <see cref="DateTime"/>). 49b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 50b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public const int NanosecondsPerTick = 100; 51b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 52b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 53b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// The maximum permitted number of seconds. 54b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 55b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public const long MaxSeconds = 315576000000L; 56b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 57b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 58b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// The minimum permitted number of seconds. 59b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 60b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public const long MinSeconds = -315576000000L; 61b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 62b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer internal const int MaxNanoseconds = NanosecondsPerSecond - 1; 63b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer internal const int MinNanoseconds = -NanosecondsPerSecond + 1; 64b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 65b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer internal static bool IsNormalized(long seconds, int nanoseconds) 66b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 67b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // Simple boundaries 68b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (seconds < MinSeconds || seconds > MaxSeconds || 69b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer nanoseconds < MinNanoseconds || nanoseconds > MaxNanoseconds) 70b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 71b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return false; 72b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 73b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // We only have a problem is one is strictly negative and the other is 74b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // strictly positive. 75b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return Math.Sign(seconds) * Math.Sign(nanoseconds) != -1; 76b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 77b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 78b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 79b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Converts this <see cref="Duration"/> to a <see cref="TimeSpan"/>. 80b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 81b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <remarks>If the duration is not a precise number of ticks, it is truncated towards 0.</remarks> 82b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <returns>The value of this duration, as a <c>TimeSpan</c>.</returns> 83b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <exception cref="InvalidOperationException">This value isn't a valid normalized duration, as 84b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// described in the documentation.</exception> 85b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public TimeSpan ToTimeSpan() 86b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 87b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer checked 88b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 89b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (!IsNormalized(Seconds, Nanos)) 90b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 91b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer throw new InvalidOperationException("Duration was not a valid normalized duration"); 92b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 93b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer long ticks = Seconds * TimeSpan.TicksPerSecond + Nanos / NanosecondsPerTick; 94b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return TimeSpan.FromTicks(ticks); 95b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 96b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 97b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 98b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 99b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Converts the given <see cref="TimeSpan"/> to a <see cref="Duration"/>. 100b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 101b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="timeSpan">The <c>TimeSpan</c> to convert.</param> 102b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <returns>The value of the given <c>TimeSpan</c>, as a <c>Duration</c>.</returns> 103b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public static Duration FromTimeSpan(TimeSpan timeSpan) 104b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 105b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer checked 106b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 107b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer long ticks = timeSpan.Ticks; 108b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer long seconds = ticks / TimeSpan.TicksPerSecond; 109b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer int nanos = (int) (ticks % TimeSpan.TicksPerSecond) * NanosecondsPerTick; 110b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return new Duration { Seconds = seconds, Nanos = nanos }; 111b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 112b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 113b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 114b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 115b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Returns the result of negating the duration. For example, the negation of 5 minutes is -5 minutes. 116b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 117b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="value">The duration to negate. Must not be null.</param> 118b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <returns>The negated value of this duration.</returns> 119b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public static Duration operator -(Duration value) 120b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 121b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer ProtoPreconditions.CheckNotNull(value, "value"); 122b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer checked 123b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 124b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return Normalize(-value.Seconds, -value.Nanos); 125b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 126b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 127b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 128b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 129b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Adds the two specified <see cref="Duration"/> values together. 130b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 131b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="lhs">The first value to add. Must not be null.</param> 132b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="rhs">The second value to add. Must not be null.</param> 133b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <returns></returns> 134b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public static Duration operator +(Duration lhs, Duration rhs) 135b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 136b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer ProtoPreconditions.CheckNotNull(lhs, "lhs"); 137b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer ProtoPreconditions.CheckNotNull(rhs, "rhs"); 138b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer checked 139b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 140b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return Normalize(lhs.Seconds + rhs.Seconds, lhs.Nanos + rhs.Nanos); 141b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 142b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 143b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 144b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 145b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Subtracts one <see cref="Duration"/> from another. 146b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 147b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="lhs">The duration to subtract from. Must not be null.</param> 148b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="rhs">The duration to subtract. Must not be null.</param> 149b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <returns>The difference between the two specified durations.</returns> 150b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public static Duration operator -(Duration lhs, Duration rhs) 151b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 152b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer ProtoPreconditions.CheckNotNull(lhs, "lhs"); 153b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer ProtoPreconditions.CheckNotNull(rhs, "rhs"); 154b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer checked 155b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 156b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return Normalize(lhs.Seconds - rhs.Seconds, lhs.Nanos - rhs.Nanos); 157b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 158b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 159b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 160b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 161b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Creates a duration with the normalized values from the given number of seconds and 162b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// nanoseconds, conforming with the description in the proto file. 163b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 164b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer internal static Duration Normalize(long seconds, int nanoseconds) 165b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 166b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // Ensure that nanoseconds is in the range (-1,000,000,000, +1,000,000,000) 167b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer int extraSeconds = nanoseconds / NanosecondsPerSecond; 168b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer seconds += extraSeconds; 169b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer nanoseconds -= extraSeconds * NanosecondsPerSecond; 170b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 171b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // Now make sure that Sign(seconds) == Sign(nanoseconds) if Sign(seconds) != 0. 172b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (seconds < 0 && nanoseconds > 0) 173b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 174b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer seconds += 1; 175b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer nanoseconds -= NanosecondsPerSecond; 176b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 177b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer else if (seconds > 0 && nanoseconds < 0) 178b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 179b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer seconds -= 1; 180b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer nanoseconds += NanosecondsPerSecond; 181b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 182b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return new Duration { Seconds = seconds, Nanos = nanoseconds }; 183b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 184b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 185b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 186b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Converts a duration specified in seconds/nanoseconds to a string. 187b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 188b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <remarks> 189b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// If the value is a normalized duration in the range described in <c>duration.proto</c>, 190b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <paramref name="diagnosticOnly"/> is ignored. Otherwise, if the parameter is <c>true</c>, 191b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// a JSON object with a warning is returned; if it is <c>false</c>, an <see cref="InvalidOperationException"/> is thrown. 192b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </remarks> 193b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="seconds">Seconds portion of the duration.</param> 194b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="nanoseconds">Nanoseconds portion of the duration.</param> 195b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <param name="diagnosticOnly">Determines the handling of non-normalized values</param> 196b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <exception cref="InvalidOperationException">The represented duration is invalid, and <paramref name="diagnosticOnly"/> is <c>false</c>.</exception> 197b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer internal static string ToJson(long seconds, int nanoseconds, bool diagnosticOnly) 198b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 199b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (IsNormalized(seconds, nanoseconds)) 200b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 201b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer var builder = new StringBuilder(); 202b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append('"'); 203b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // The seconds part will normally provide the minus sign if we need it, but not if it's 0... 204b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (seconds == 0 && nanoseconds < 0) 205b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 206b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append('-'); 207b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 208b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 209b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append(seconds.ToString("d", CultureInfo.InvariantCulture)); 210b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer AppendNanoseconds(builder, Math.Abs(nanoseconds)); 211b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append("s\""); 212b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return builder.ToString(); 213b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 214b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (diagnosticOnly) 215b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 216b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // Note: the double braces here are escaping for braces in format strings. 217b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return string.Format(CultureInfo.InvariantCulture, 218b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer "{{ \"@warning\": \"Invalid Duration\", \"seconds\": \"{0}\", \"nanos\": {1} }}", 219b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer seconds, 220b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer nanoseconds); 221b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 222b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer else 223b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 224b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer throw new InvalidOperationException("Non-normalized duration value"); 225b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 226b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 227b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 228b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 229b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Returns a string representation of this <see cref="Duration"/> for diagnostic purposes. 230b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 231b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <remarks> 232b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Normally the returned value will be a JSON string value (including leading and trailing quotes) but 233b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// when the value is non-normalized or out of range, a JSON object representation will be returned 234b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// instead, including a warning. This is to avoid exceptions being thrown when trying to 235b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// diagnose problems - the regular JSON formatter will still throw an exception for non-normalized 236b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// values. 237b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </remarks> 238b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <returns>A string representation of this value.</returns> 239b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer public string ToDiagnosticString() 240b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 241b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer return ToJson(Seconds, Nanos, true); 242b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 243b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer 244b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// <summary> 245b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// Appends a number of nanoseconds to a StringBuilder. Either 0 digits are added (in which 246b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// case no "." is appended), or 3 6 or 9 digits. This is internal for use in Timestamp as well 247b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// as Duration. 248b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer /// </summary> 249b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer internal static void AppendNanoseconds(StringBuilder builder, int nanos) 250b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 251b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (nanos != 0) 252b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 253b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append('.'); 254b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer // Output to 3, 6 or 9 digits. 255b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer if (nanos % 1000000 == 0) 256b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 257b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append((nanos / 1000000).ToString("d3", CultureInfo.InvariantCulture)); 258b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 259b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer else if (nanos % 1000 == 0) 260b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 261b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append((nanos / 1000).ToString("d6", CultureInfo.InvariantCulture)); 262b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 263b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer else 264b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer { 265b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer builder.Append(nanos.ToString("d9", CultureInfo.InvariantCulture)); 266b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 267b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 268b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 269b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer } 270b0575e93e4c39dec69365b850088a1eb7f82c5b3Tamas Berghammer} 271