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689 lines
28 KiB
689 lines
28 KiB
/**
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* Digital Voice Modem - Fixed Network Equipment
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* AGPLv3 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Fixed Network Equipment
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*
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*/
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//
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// Based on code from the A Semantic Version Library for .Net project. (https://github.com/maxhauser/semver)
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// Copyright (c) 2013 Max Hauser
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// Licensed under the MIT License (http://www.opensource.org/licenses/MIT)
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//
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/*
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* Copyright (C) 2022 by Bryan Biedenkapp N2PLL
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*/
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using System;
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using System.Globalization;
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using System.Text;
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using System.Reflection;
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using System.Runtime.Serialization;
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using System.Security.Permissions;
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using System.Text.RegularExpressions;
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namespace fnecore.Utility
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{
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/// <summary>
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///
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/// </summary>
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internal static class IntExtensions
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{
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/// <summary>
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/// The number of digits in a non-negative number. Returns 1 for all
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/// negative numbers. That is ok because we are using it to calculate
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/// string length for a <see cref="StringBuilder"/> for numbers that
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/// aren't supposed to be negative, but when they are it is just a little
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/// slower.
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/// </summary>
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/// <remarks>
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/// This approach is based on https://stackoverflow.com/a/51099524/268898
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/// where the poster offers performance benchmarks showing this is the
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/// fastest way to get a number of digits.
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/// </remarks>
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public static int Digits(this int n)
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{
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if (n < 10)
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return 1;
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if (n < 100)
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return 2;
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if (n < 1_000)
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return 3;
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if (n < 10_000)
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return 4;
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if (n < 100_000)
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return 5;
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if (n < 1_000_000)
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return 6;
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if (n < 10_000_000)
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return 7;
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if (n < 100_000_000)
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return 8;
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if (n < 1_000_000_000)
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return 9;
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return 10;
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}
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} // internal static class IntExtensions
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/// <summary>
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/// A semantic version implementation.
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/// Conforms with v2.0.0 of http://semver.org
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/// </summary>
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[Serializable]
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public sealed class SemVersion : IComparable<SemVersion>, IComparable, ISerializable
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{
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private static readonly Regex ParseEx = new Regex(@"^(?<major>\d+)" + @"(?>\.(?<minor>\d+))?" +
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@"(?>\.(?<patch>\d+))?" + @"(?>\-(?<pre>[0-9A-Za-z\-\.]+))?" + @"(?>\+(?<build>[0-9A-Za-z\-\.]+))?$",
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RegexOptions.CultureInvariant | RegexOptions.Compiled | RegexOptions.ExplicitCapture,
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TimeSpan.FromSeconds(0.5));
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/*
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** Properties
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*/
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/// <summary>
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/// Gets the major version.
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/// </summary>
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/// <value>
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/// The major version.
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/// </value>
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public int Major { get; }
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/// <summary>
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/// Gets the minor version.
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/// </summary>
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/// <value>
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/// The minor version.
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/// </value>
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public int Minor { get; }
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/// <summary>
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/// Gets the patch version.
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/// </summary>
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/// <value>
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/// The patch version.
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/// </value>
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public int Patch { get; }
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/// <summary>
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/// Gets the prerelease version.
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/// </summary>
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/// <value>
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/// The prerelease version. Empty string if this is a release version.
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/// </value>
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public string Prerelease { get; }
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/// <summary>
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/// Gets the build metadata.
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/// </summary>
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/// <value>
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/// The build metadata. Empty string if there is no build metadata.
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/// </value>
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public string Build { get; }
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/*
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** Operators
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*/
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#pragma warning disable CA2225 // Operator overloads have named alternates
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/// <summary>
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/// Implicit conversion from <see cref="string"/> to <see cref="SemVersion"/>.
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/// </summary>
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/// <param name="version">The semantic version.</param>
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/// <returns>The <see cref="SemVersion"/> object.</returns>
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/// <exception cref="ArgumentNullException">The <paramref name="version"/> is <see langword="null"/>.</exception>
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/// <exception cref="ArgumentException">The version number has an invalid format.</exception>
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/// <exception cref="OverflowException">The Major, Minor, or Patch versions are larger than <code>int.MaxValue</code>.</exception>
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public static implicit operator SemVersion(string version)
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#pragma warning restore CA2225 // Operator overloads have named alternates
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{
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return Parse(version);
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}
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/// <summary>
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/// Compares two semantic versions for equality.
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/// </summary>
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/// <param name="left">The left value.</param>
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/// <param name="right">The right value.</param>
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/// <returns>If left is equal to right <see langword="true"/>, otherwise <see langword="false"/>.</returns>
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public static bool operator ==(SemVersion left, SemVersion right)
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{
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return Equals(left, right);
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}
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/// <summary>
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/// Compares two semantic versions for inequality.
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/// </summary>
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/// <param name="left">The left value.</param>
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/// <param name="right">The right value.</param>
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/// <returns>If left is not equal to right <see langword="true"/>, otherwise <see langword="false"/>.</returns>
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public static bool operator !=(SemVersion left, SemVersion right)
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{
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return !Equals(left, right);
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}
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/// <summary>
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/// Compares two semantic versions.
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/// </summary>
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/// <param name="left">The left value.</param>
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/// <param name="right">The right value.</param>
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/// <returns>If left is greater than right <see langword="true"/>, otherwise <see langword="false"/>.</returns>
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public static bool operator >(SemVersion left, SemVersion right)
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{
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return Compare(left, right) > 0;
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}
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/// <summary>
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/// Compares two semantic versions.
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/// </summary>
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/// <param name="left">The left value.</param>
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/// <param name="right">The right value.</param>
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/// <returns>If left is greater than or equal to right <see langword="true"/>, otherwise <see langword="false"/>.</returns>
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public static bool operator >=(SemVersion left, SemVersion right)
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{
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return Equals(left, right) || Compare(left, right) > 0;
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}
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/// <summary>
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/// Compares two semantic versions.
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/// </summary>
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/// <param name="left">The left value.</param>
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/// <param name="right">The right value.</param>
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/// <returns>If left is less than right <see langword="true"/>, otherwise <see langword="false"/>.</returns>
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public static bool operator <(SemVersion left, SemVersion right)
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{
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return Compare(left, right) < 0;
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}
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/// <summary>
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/// Compares two semantic versions.
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/// </summary>
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/// <param name="left">The left value.</param>
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/// <param name="right">The right value.</param>
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/// <returns>If left is less than or equal to right <see langword="true"/>, otherwise <see langword="false"/>.</returns>
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public static bool operator <=(SemVersion left, SemVersion right)
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{
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return Equals(left, right) || Compare(left, right) < 0;
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}
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/*
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** Methods
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*/
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#pragma warning disable CA1801 // Parameter unused
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/// <summary>
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/// Deserialize a <see cref="SemVersion"/>.
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/// </summary>
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/// <exception cref="ArgumentNullException">The <paramref name="info"/> parameter is null.</exception>
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private SemVersion(SerializationInfo info, StreamingContext context)
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#pragma warning restore CA1801 // Parameter unused
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{
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if (info == null) throw new ArgumentNullException(nameof(info));
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SemVersion semVersion = Parse(info.GetString("SemVersion"));
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Major = semVersion.Major;
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Minor = semVersion.Minor;
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Patch = semVersion.Patch;
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Prerelease = semVersion.Prerelease;
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Build = semVersion.Build;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="SemVersion" /> class.
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/// </summary>
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/// <param name="major">The major version.</param>
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/// <param name="minor">The minor version.</param>
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/// <param name="patch">The patch version.</param>
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/// <param name="prerelease">The prerelease version (e.g. "alpha").</param>
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/// <param name="build">The build metadata (e.g. "nightly.232").</param>
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public SemVersion(int major, int minor = 0, int patch = 0, string prerelease = "", string build = "")
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{
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Major = major;
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Minor = minor;
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Patch = patch;
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Prerelease = prerelease ?? "";
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Build = build ?? "";
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="SemVersion"/> class from
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/// a <see cref="System.Reflection.Assembly"/>.
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/// </summary>
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/// <param name="assembly">The <see cref="System.Reflection.Assembly"/> that is used to initialize
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/// the Major, Minor, Patch and Build.</param>
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/// <param name="prerelease">The prerelease version (e.g. "alpha").</param>
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/// <returns>A <see cref="SemVersion"/> with the same Major and Minor version.
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/// The Patch version will be the fourth part of the version number. The
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/// build meta data will contain the third part of the version number if
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/// it is greater than zero.</returns>
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public SemVersion(Assembly assembly, string prerelease = "")
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{
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if (assembly == null)
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throw new ArgumentNullException(nameof(assembly));
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Version version = assembly.GetName().Version;
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Major = version.Major;
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Minor = version.Minor;
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if (version.Revision >= 0)
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Patch = version.Revision;
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Prerelease = prerelease;
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Build = version.Build > 0 ? version.Build.ToString(CultureInfo.InvariantCulture) : "";
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="SemVersion"/> class from
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/// a <see cref="System.Version"/>.
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/// </summary>
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/// <param name="version">The <see cref="Version"/> that is used to initialize
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/// the Major, Minor, Patch and Build.</param>
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/// <param name="prerelease">The prerelease version (e.g. "alpha").</param>
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/// <returns>A <see cref="SemVersion"/> with the same Major and Minor version.
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/// The Patch version will be the fourth part of the version number. The
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/// build meta data will contain the third part of the version number if
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/// it is greater than zero.</returns>
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public SemVersion(Version version, string prerelease = "")
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{
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if (version == null)
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throw new ArgumentNullException(nameof(version));
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Major = version.Major;
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Minor = version.Minor;
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if (version.Revision >= 0)
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Patch = version.Revision;
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Prerelease = prerelease;
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Build = version.Build > 0 ? version.Build.ToString(CultureInfo.InvariantCulture) : "";
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}
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/// <summary>
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/// Converts the string representation of a semantic version to its <see cref="SemVersion"/> equivalent.
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/// </summary>
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/// <param name="version">The version string.</param>
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/// <param name="strict">If set to <see langword="true"/> minor and patch version are required,
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/// otherwise they are optional.</param>
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/// <returns>The <see cref="SemVersion"/> object.</returns>
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/// <exception cref="ArgumentNullException">The <paramref name="version"/> is <see langword="null"/>.</exception>
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/// <exception cref="ArgumentException">The <paramref name="version"/> has an invalid format.</exception>
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/// <exception cref="InvalidOperationException">The <paramref name="version"/> is missing Minor or Patch versions and <paramref name="strict"/> is <see langword="true"/>.</exception>
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/// <exception cref="OverflowException">The Major, Minor, or Patch versions are larger than <code>int.MaxValue</code>.</exception>
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public static SemVersion Parse(string version, bool strict = false)
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{
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Match match = ParseEx.Match(version);
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if (!match.Success)
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throw new ArgumentException($"Invalid version '{version}'.", nameof(version));
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int major = int.Parse(match.Groups["major"].Value, CultureInfo.InvariantCulture);
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Group minorMatch = match.Groups["minor"];
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int minor = 0;
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if (minorMatch.Success)
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minor = int.Parse(minorMatch.Value, CultureInfo.InvariantCulture);
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else if (strict)
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throw new InvalidOperationException("Invalid version (no minor version given in strict mode)");
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Group patchMatch = match.Groups["patch"];
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int patch = 0;
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if (patchMatch.Success)
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patch = int.Parse(patchMatch.Value, CultureInfo.InvariantCulture);
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else if (strict)
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throw new InvalidOperationException("Invalid version (no patch version given in strict mode)");
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string prerelease = match.Groups["pre"].Value;
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string build = match.Groups["build"].Value;
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return new SemVersion(major, minor, patch, prerelease, build);
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}
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/// <summary>
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/// Converts the string representation of a semantic version to its <see cref="SemVersion"/>
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/// equivalent and returns a value that indicates whether the conversion succeeded.
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/// </summary>
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/// <param name="version">The version string.</param>
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/// <param name="semver">When the method returns, contains a <see cref="SemVersion"/> instance equivalent
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/// to the version string passed in, if the version string was valid, or <see langword="null"/> if the
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/// version string was not valid.</param>
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/// <param name="strict">If set to <see langword="true"/> minor and patch version are required,
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/// otherwise they are optional.</param>
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/// <returns><see langword="false"/> when a invalid version string is passed, otherwise <see langword="true"/>.</returns>
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public static bool TryParse(string version, out SemVersion semver, bool strict = false)
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{
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semver = null;
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if (version is null)
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return false;
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Match match = ParseEx.Match(version);
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if (!match.Success)
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return false;
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if (!int.TryParse(match.Groups["major"].Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var major))
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return false;
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Group minorMatch = match.Groups["minor"];
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int minor = 0;
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if (minorMatch.Success)
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{
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if (!int.TryParse(minorMatch.Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out minor))
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return false;
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}
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else if (strict)
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return false;
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Group patchMatch = match.Groups["patch"];
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int patch = 0;
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if (patchMatch.Success)
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{
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if (!int.TryParse(patchMatch.Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out patch))
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return false;
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}
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else if (strict)
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return false;
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string prerelease = match.Groups["pre"].Value;
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string build = match.Groups["build"].Value;
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semver = new SemVersion(major, minor, patch, prerelease, build);
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return true;
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}
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/// <summary>
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/// Checks whether two semantic versions are equal.
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/// </summary>
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/// <param name="versionA">The first version to compare.</param>
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/// <param name="versionB">The second version to compare.</param>
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/// <returns><see langword="true"/> if the two values are equal, otherwise <see langword="false"/>.</returns>
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public static bool Equals(SemVersion versionA, SemVersion versionB)
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{
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if (ReferenceEquals(versionA, versionB))
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return true;
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if (versionA is null || versionB is null)
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return false;
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return versionA.Equals(versionB);
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}
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/// <summary>
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/// Compares the specified versions.
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/// </summary>
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/// <param name="versionA">The first version to compare.</param>
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/// <param name="versionB">The second version to compare.</param>
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/// <returns>A signed number indicating the relative values of <paramref name="versionA"/> and <paramref name="versionB"/>.</returns>
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public static int Compare(SemVersion versionA, SemVersion versionB)
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{
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if (ReferenceEquals(versionA, versionB))
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return 0;
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if (versionA is null)
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return -1;
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if (versionB is null)
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return 1;
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return versionA.CompareTo(versionB);
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}
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|
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/// <summary>
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/// Make a copy of the current instance with changed properties.
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/// </summary>
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/// <param name="major">The value to replace the major version or <see langword="null"/> to leave it unchanged.</param>
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/// <param name="minor">The value to replace the minor version or <see langword="null"/> to leave it unchanged.</param>
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/// <param name="patch">The value to replace the patch version or <see langword="null"/> to leave it unchanged.</param>
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/// <param name="prerelease">The value to replace the prerelease version or <see langword="null"/> to leave it unchanged.</param>
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/// <param name="build">The value to replace the build metadata or <see langword="null"/> to leave it unchanged.</param>
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/// <returns>The new version object.</returns>
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/// <remarks>
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/// The change method is intended to be called using named argument syntax, passing only
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/// those fields to be changed.
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/// </remarks>
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/// <example>
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/// To change only the patch version:
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/// <code>version.Change(patch: 4)</code>
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/// </example>
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public SemVersion Change(int? major = null, int? minor = null, int? patch = null,
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string prerelease = null, string build = null)
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{
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return new SemVersion(major ?? Major, minor ?? Minor, patch ?? Patch,
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prerelease ?? Prerelease, build ?? Build);
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}
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/// <summary>
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/// Returns the <see cref="string" /> equivalent of this version.
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/// </summary>
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/// <returns>
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/// The <see cref="string" /> equivalent of this version.
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/// </returns>
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public override string ToString()
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{
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// Assume all separators ("..-+"), at most 2 extra chars
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int estimatedLength = 4 + Major.Digits() + Minor.Digits() + Patch.Digits() + Prerelease.Length + Build.Length;
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StringBuilder version = new StringBuilder(estimatedLength);
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version.Append(Major);
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version.Append('.');
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version.Append(Minor);
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version.Append('.');
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version.Append(Patch);
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if (Prerelease.Length > 0)
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{
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version.Append('-');
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version.Append(Prerelease);
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}
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if (Build.Length > 0)
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{
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version.Append('+');
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version.Append(Build);
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}
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return version.ToString();
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}
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|
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/// <summary>
|
|
/// Compares the current instance with another object of the same type and returns an integer that indicates
|
|
/// whether the current instance precedes, follows, or occurs in the same position in the sort order as the
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/// other object.
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/// </summary>
|
|
/// <param name="obj">An object to compare with this instance.</param>
|
|
/// <returns>
|
|
/// A value that indicates the relative order of the objects being compared.
|
|
/// The return value has these meanings:
|
|
/// Less than zero: This instance precedes <paramref name="obj" /> in the sort order.
|
|
/// Zero: This instance occurs in the same position in the sort order as <paramref name="obj" />.
|
|
/// Greater than zero: This instance follows <paramref name="obj" /> in the sort order.
|
|
/// </returns>
|
|
/// <exception cref="InvalidCastException">The <paramref name="obj"/> is not a <see cref="SemVersion"/>.</exception>
|
|
public int CompareTo(object obj)
|
|
{
|
|
return CompareTo((SemVersion)obj);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compares the current instance with another object of the same type and returns an integer that indicates
|
|
/// whether the current instance precedes, follows, or occurs in the same position in the sort order as the
|
|
/// other object.
|
|
/// </summary>
|
|
/// <param name="other">An object to compare with this instance.</param>
|
|
/// <returns>
|
|
/// A value that indicates the relative order of the objects being compared.
|
|
/// The return value has these meanings:
|
|
/// Less than zero: This instance precedes <paramref name="other" /> in the sort order.
|
|
/// Zero: This instance occurs in the same position in the sort order as <paramref name="other" />.
|
|
/// Greater than zero: This instance follows <paramref name="other" /> in the sort order.
|
|
/// </returns>
|
|
public int CompareTo(SemVersion other)
|
|
{
|
|
int r = CompareByPrecedence(other);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
#pragma warning disable CA1062 // Validate arguments of public methods
|
|
// If other is null, CompareByPrecedence() returns 1
|
|
return CompareComponent(Build, other.Build);
|
|
#pragma warning restore CA1062 // Validate arguments of public methods
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns whether two semantic versions have the same precedence. Versions
|
|
/// that differ only by build metadata have the same precedence.
|
|
/// </summary>
|
|
/// <param name="other">The semantic version to compare to.</param>
|
|
/// <returns><see langword="true"/> if the version precedences are equal.</returns>
|
|
public bool PrecedenceMatches(SemVersion other)
|
|
{
|
|
return CompareByPrecedence(other) == 0;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compares two semantic versions by precedence as defined in the SemVer spec. Versions
|
|
/// that differ only by build metadata have the same precedence.
|
|
/// </summary>
|
|
/// <param name="other">The semantic version.</param>
|
|
/// <returns>
|
|
/// A value that indicates the relative order of the objects being compared.
|
|
/// The return value has these meanings:
|
|
/// Less than zero: This instance precedes <paramref name="other" /> in the sort order.
|
|
/// Zero: This instance occurs in the same position in the sort order as <paramref name="other" />.
|
|
/// Greater than zero: This instance follows <paramref name="other" /> in the sort order.
|
|
/// </returns>
|
|
public int CompareByPrecedence(SemVersion other)
|
|
{
|
|
if (other is null)
|
|
return 1;
|
|
|
|
int r = Major.CompareTo(other.Major);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = Minor.CompareTo(other.Minor);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
r = Patch.CompareTo(other.Patch);
|
|
if (r != 0)
|
|
return r;
|
|
|
|
return CompareComponent(Prerelease, other.Prerelease, true);
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="a"></param>
|
|
/// <param name="b"></param>
|
|
/// <param name="nonemptyIsLower"></param>
|
|
/// <returns></returns>
|
|
private static int CompareComponent(string a, string b, bool nonemptyIsLower = false)
|
|
{
|
|
bool aEmpty = string.IsNullOrEmpty(a);
|
|
bool bEmpty = string.IsNullOrEmpty(b);
|
|
if (aEmpty && bEmpty)
|
|
return 0;
|
|
|
|
if (aEmpty)
|
|
return nonemptyIsLower ? 1 : -1;
|
|
if (bEmpty)
|
|
return nonemptyIsLower ? -1 : 1;
|
|
|
|
string[] aComps = a.Split('.');
|
|
string[] bComps = b.Split('.');
|
|
|
|
int minLen = Math.Min(aComps.Length, bComps.Length);
|
|
for (int i = 0; i < minLen; i++)
|
|
{
|
|
string ac = aComps[i];
|
|
string bc = bComps[i];
|
|
bool aIsNum = int.TryParse(ac, out var aNum);
|
|
bool bIsNum = int.TryParse(bc, out var bNum);
|
|
int r;
|
|
if (aIsNum && bIsNum)
|
|
{
|
|
r = aNum.CompareTo(bNum);
|
|
if (r != 0) return r;
|
|
}
|
|
else
|
|
{
|
|
if (aIsNum)
|
|
return -1;
|
|
if (bIsNum)
|
|
return 1;
|
|
r = string.CompareOrdinal(ac, bc);
|
|
if (r != 0)
|
|
return r;
|
|
}
|
|
}
|
|
|
|
return aComps.Length.CompareTo(bComps.Length);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Determines whether the specified <see cref="object" /> is equal to this instance.
|
|
/// </summary>
|
|
/// <param name="obj">The <see cref="object" /> to compare with this instance.</param>
|
|
/// <returns>
|
|
/// <see langword="true"/> if the specified <see cref="object" /> is equal to this instance, otherwise <see langword="false"/>.
|
|
/// </returns>
|
|
/// <exception cref="InvalidCastException">The <paramref name="obj"/> is not a <see cref="SemVersion"/>.</exception>
|
|
public override bool Equals(object obj)
|
|
{
|
|
if (obj is null)
|
|
return false;
|
|
|
|
if (ReferenceEquals(this, obj))
|
|
return true;
|
|
|
|
SemVersion other = (SemVersion)obj;
|
|
|
|
return Major == other.Major && Minor == other.Minor && Patch == other.Patch
|
|
&& string.Equals(Prerelease, other.Prerelease, StringComparison.Ordinal) && string.Equals(Build, other.Build, StringComparison.Ordinal);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns a hash code for this instance.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
|
|
/// </returns>
|
|
public override int GetHashCode()
|
|
{
|
|
unchecked
|
|
{
|
|
// TODO verify this. Some versions start result = 17. Some use 37 instead of 31
|
|
int result = Major.GetHashCode();
|
|
result = result * 31 + Minor.GetHashCode();
|
|
result = result * 31 + Patch.GetHashCode();
|
|
result = result * 31 + Prerelease.GetHashCode();
|
|
result = result * 31 + Build.GetHashCode();
|
|
return result;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Populates a <see cref="SerializationInfo"/> with the data needed to serialize the target object.
|
|
/// </summary>
|
|
/// <param name="info">The <see cref="SerializationInfo"/> to populate with data.</param>
|
|
/// <param name="context">The destination (see <see cref="SerializationInfo"/>) for this serialization.</param>
|
|
[SecurityPermission(SecurityAction.Demand, SerializationFormatter = true)]
|
|
public void GetObjectData(SerializationInfo info, StreamingContext context)
|
|
{
|
|
if (info == null)
|
|
throw new ArgumentNullException(nameof(info));
|
|
info.AddValue("SemVersion", ToString());
|
|
}
|
|
} // public sealed class SemVersion : IComparable<SemVersion>, IComparable, ISerializable
|
|
} // namespace fnecore.Utility
|