108 lines
2.9 KiB
C#
108 lines
2.9 KiB
C#
using System;
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using System.Reflection;
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using System.Text.RegularExpressions;
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namespace FastGithub.Upgrade
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{
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/// <summary>
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/// 表示产品版本
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/// </summary>
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sealed class ProductionVersion : IComparable<ProductionVersion>
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{
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/// <summary>
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/// 版本
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/// </summary>
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public Version Version { get; }
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/// <summary>
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/// 子版本
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/// </summary>
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public string SubVersion { get; }
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/// <summary>
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/// 产品版本
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/// </summary>
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/// <param name="version"></param>
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/// <param name="subVersion"></param>
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public ProductionVersion(Version version, string subVersion)
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{
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this.Version = version;
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this.SubVersion = subVersion;
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}
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/// <summary>
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/// 比较版本
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/// </summary>
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/// <param name="other"></param>
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/// <returns></returns>
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public int CompareTo(ProductionVersion? other)
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{
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var x = this;
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var y = other;
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if (y == null)
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{
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return 1;
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}
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var value = x.Version.CompareTo(y.Version);
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if (value == 0)
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{
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value = CompareSubVerson(x.SubVersion, y.SubVersion);
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}
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return value;
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static int CompareSubVerson(string subX, string subY)
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{
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if (subX.Length == 0 && subY.Length == 0)
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{
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return 0;
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}
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if (subX.Length == 0)
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{
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return 1;
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}
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if (subY.Length == 0)
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{
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return -1;
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}
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return StringComparer.OrdinalIgnoreCase.Compare(subX, subY);
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}
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}
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public override string ToString()
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{
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return $"{Version}{SubVersion}";
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}
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/// <summary>
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/// 解析
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/// </summary>
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/// <param name="productionVersion"></param>
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/// <returns></returns>
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public static ProductionVersion Parse(string productionVersion)
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{
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const string VERSION = @"^\d+\.(\d+.){0,2}\d+";
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var verion = Regex.Match(productionVersion, VERSION).Value;
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var subVersion = productionVersion[verion.Length..];
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return new ProductionVersion(Version.Parse(verion), subVersion);
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}
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/// <summary>
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/// 获取当前应用程序的产品版本
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/// </summary>
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/// <returns></returns>
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public static ProductionVersion? GetApplicationVersion()
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{
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var version = Assembly
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.GetEntryAssembly()?
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.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?
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.InformationalVersion;
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return version == null ? null : ProductionVersion.Parse(version);
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}
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}
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}
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