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Diffstat (limited to 'csharp/src/Google.Protobuf/WellKnownTypes/DurationPartial.cs')
| -rw-r--r-- | csharp/src/Google.Protobuf/WellKnownTypes/DurationPartial.cs | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/DurationPartial.cs b/csharp/src/Google.Protobuf/WellKnownTypes/DurationPartial.cs deleted file mode 100644 index f164bfd1..00000000 --- a/csharp/src/Google.Protobuf/WellKnownTypes/DurationPartial.cs +++ /dev/null @@ -1,270 +0,0 @@ -#region Copyright notice and license -// Protocol Buffers - Google's data interchange format -// Copyright 2015 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -#endregion - -using System; -using System.Globalization; -using System.Text; - -namespace Google.Protobuf.WellKnownTypes -{ - // Manually-written partial class for the Duration well-known type, - // providing a conversion to TimeSpan and convenience operators. - public partial class Duration : ICustomDiagnosticMessage - { - /// <summary> - /// The number of nanoseconds in a second. - /// </summary> - public const int NanosecondsPerSecond = 1000000000; - /// <summary> - /// The number of nanoseconds in a BCL tick (as used by <see cref="TimeSpan"/> and <see cref="DateTime"/>). - /// </summary> - public const int NanosecondsPerTick = 100; - - /// <summary> - /// The maximum permitted number of seconds. - /// </summary> - public const long MaxSeconds = 315576000000L; - - /// <summary> - /// The minimum permitted number of seconds. - /// </summary> - public const long MinSeconds = -315576000000L; - - internal const int MaxNanoseconds = NanosecondsPerSecond - 1; - internal const int MinNanoseconds = -NanosecondsPerSecond + 1; - - internal static bool IsNormalized(long seconds, int nanoseconds) - { - // Simple boundaries - if (seconds < MinSeconds || seconds > MaxSeconds || - nanoseconds < MinNanoseconds || nanoseconds > MaxNanoseconds) - { - return false; - } - // We only have a problem is one is strictly negative and the other is - // strictly positive. - return Math.Sign(seconds) * Math.Sign(nanoseconds) != -1; - } - - /// <summary> - /// Converts this <see cref="Duration"/> to a <see cref="TimeSpan"/>. - /// </summary> - /// <remarks>If the duration is not a precise number of ticks, it is truncated towards 0.</remarks> - /// <returns>The value of this duration, as a <c>TimeSpan</c>.</returns> - /// <exception cref="InvalidOperationException">This value isn't a valid normalized duration, as - /// described in the documentation.</exception> - public TimeSpan ToTimeSpan() - { - checked - { - if (!IsNormalized(Seconds, Nanos)) - { - throw new InvalidOperationException("Duration was not a valid normalized duration"); - } - long ticks = Seconds * TimeSpan.TicksPerSecond + Nanos / NanosecondsPerTick; - return TimeSpan.FromTicks(ticks); - } - } - - /// <summary> - /// Converts the given <see cref="TimeSpan"/> to a <see cref="Duration"/>. - /// </summary> - /// <param name="timeSpan">The <c>TimeSpan</c> to convert.</param> - /// <returns>The value of the given <c>TimeSpan</c>, as a <c>Duration</c>.</returns> - public static Duration FromTimeSpan(TimeSpan timeSpan) - { - checked - { - long ticks = timeSpan.Ticks; - long seconds = ticks / TimeSpan.TicksPerSecond; - int nanos = (int) (ticks % TimeSpan.TicksPerSecond) * NanosecondsPerTick; - return new Duration { Seconds = seconds, Nanos = nanos }; - } - } - - /// <summary> - /// Returns the result of negating the duration. For example, the negation of 5 minutes is -5 minutes. - /// </summary> - /// <param name="value">The duration to negate. Must not be null.</param> - /// <returns>The negated value of this duration.</returns> - public static Duration operator -(Duration value) - { - ProtoPreconditions.CheckNotNull(value, "value"); - checked - { - return Normalize(-value.Seconds, -value.Nanos); - } - } - - /// <summary> - /// Adds the two specified <see cref="Duration"/> values together. - /// </summary> - /// <param name="lhs">The first value to add. Must not be null.</param> - /// <param name="rhs">The second value to add. Must not be null.</param> - /// <returns></returns> - public static Duration operator +(Duration lhs, Duration rhs) - { - ProtoPreconditions.CheckNotNull(lhs, "lhs"); - ProtoPreconditions.CheckNotNull(rhs, "rhs"); - checked - { - return Normalize(lhs.Seconds + rhs.Seconds, lhs.Nanos + rhs.Nanos); - } - } - - /// <summary> - /// Subtracts one <see cref="Duration"/> from another. - /// </summary> - /// <param name="lhs">The duration to subtract from. Must not be null.</param> - /// <param name="rhs">The duration to subtract. Must not be null.</param> - /// <returns>The difference between the two specified durations.</returns> - public static Duration operator -(Duration lhs, Duration rhs) - { - ProtoPreconditions.CheckNotNull(lhs, "lhs"); - ProtoPreconditions.CheckNotNull(rhs, "rhs"); - checked - { - return Normalize(lhs.Seconds - rhs.Seconds, lhs.Nanos - rhs.Nanos); - } - } - - /// <summary> - /// Creates a duration with the normalized values from the given number of seconds and - /// nanoseconds, conforming with the description in the proto file. - /// </summary> - internal static Duration Normalize(long seconds, int nanoseconds) - { - // Ensure that nanoseconds is in the range (-1,000,000,000, +1,000,000,000) - int extraSeconds = nanoseconds / NanosecondsPerSecond; - seconds += extraSeconds; - nanoseconds -= extraSeconds * NanosecondsPerSecond; - - // Now make sure that Sign(seconds) == Sign(nanoseconds) if Sign(seconds) != 0. - if (seconds < 0 && nanoseconds > 0) - { - seconds += 1; - nanoseconds -= NanosecondsPerSecond; - } - else if (seconds > 0 && nanoseconds < 0) - { - seconds -= 1; - nanoseconds += NanosecondsPerSecond; - } - return new Duration { Seconds = seconds, Nanos = nanoseconds }; - } - - /// <summary> - /// Converts a duration specified in seconds/nanoseconds to a string. - /// </summary> - /// <remarks> - /// If the value is a normalized duration in the range described in <c>duration.proto</c>, - /// <paramref name="diagnosticOnly"/> is ignored. Otherwise, if the parameter is <c>true</c>, - /// a JSON object with a warning is returned; if it is <c>false</c>, an <see cref="InvalidOperationException"/> is thrown. - /// </remarks> - /// <param name="seconds">Seconds portion of the duration.</param> - /// <param name="nanoseconds">Nanoseconds portion of the duration.</param> - /// <param name="diagnosticOnly">Determines the handling of non-normalized values</param> - /// <exception cref="InvalidOperationException">The represented duration is invalid, and <paramref name="diagnosticOnly"/> is <c>false</c>.</exception> - internal static string ToJson(long seconds, int nanoseconds, bool diagnosticOnly) - { - if (IsNormalized(seconds, nanoseconds)) - { - var builder = new StringBuilder(); - builder.Append('"'); - // The seconds part will normally provide the minus sign if we need it, but not if it's 0... - if (seconds == 0 && nanoseconds < 0) - { - builder.Append('-'); - } - - builder.Append(seconds.ToString("d", CultureInfo.InvariantCulture)); - AppendNanoseconds(builder, Math.Abs(nanoseconds)); - builder.Append("s\""); - return builder.ToString(); - } - if (diagnosticOnly) - { - // Note: the double braces here are escaping for braces in format strings. - return string.Format(CultureInfo.InvariantCulture, - "{{ \"@warning\": \"Invalid Duration\", \"seconds\": \"{0}\", \"nanos\": {1} }}", - seconds, - nanoseconds); - } - else - { - throw new InvalidOperationException("Non-normalized duration value"); - } - } - - /// <summary> - /// Returns a string representation of this <see cref="Duration"/> for diagnostic purposes. - /// </summary> - /// <remarks> - /// Normally the returned value will be a JSON string value (including leading and trailing quotes) but - /// when the value is non-normalized or out of range, a JSON object representation will be returned - /// instead, including a warning. This is to avoid exceptions being thrown when trying to - /// diagnose problems - the regular JSON formatter will still throw an exception for non-normalized - /// values. - /// </remarks> - /// <returns>A string representation of this value.</returns> - public string ToDiagnosticString() - { - return ToJson(Seconds, Nanos, true); - } - - /// <summary> - /// Appends a number of nanoseconds to a StringBuilder. Either 0 digits are added (in which - /// case no "." is appended), or 3 6 or 9 digits. This is internal for use in Timestamp as well - /// as Duration. - /// </summary> - internal static void AppendNanoseconds(StringBuilder builder, int nanos) - { - if (nanos != 0) - { - builder.Append('.'); - // Output to 3, 6 or 9 digits. - if (nanos % 1000000 == 0) - { - builder.Append((nanos / 1000000).ToString("d3", CultureInfo.InvariantCulture)); - } - else if (nanos % 1000 == 0) - { - builder.Append((nanos / 1000).ToString("d6", CultureInfo.InvariantCulture)); - } - else - { - builder.Append(nanos.ToString("d9", CultureInfo.InvariantCulture)); - } - } - } - } -} |