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NuGetVersion.cs
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NuGetVersion.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
namespace NuGet.Versioning
{
/// <summary>
/// A hybrid implementation of SemVer that supports semantic versioning as described at http://semver.org while
/// not strictly enforcing it to
/// allow older 4-digit versioning schemes to continue working.
/// </summary>
public partial class NuGetVersion : SemanticVersion
{
private readonly string? _originalString;
/// <summary>
/// Creates a NuGetVersion using NuGetVersion.Parse(string)
/// </summary>
/// <param name="version">Version string</param>
public NuGetVersion(string version)
: this(Parse(version))
{
}
/// <summary>
/// Creates a NuGetVersion from an existing NuGetVersion
/// </summary>
public NuGetVersion(NuGetVersion version)
: this(version.Version, version.ReleaseLabels, version.Metadata, version.OriginalVersion)
{
}
/// <summary>
/// Creates a NuGetVersion from a .NET Version
/// </summary>
/// <param name="version">Version numbers</param>
/// <param name="releaseLabel">Prerelease label</param>
/// <param name="metadata">Build metadata</param>
public NuGetVersion(Version version, string? releaseLabel = null, string? metadata = null)
: this(version, ParseReleaseLabels(releaseLabel), metadata, GetLegacyString(version, ParseReleaseLabels(releaseLabel), metadata))
{
}
/// <summary>
/// Creates a NuGetVersion X.Y.Z
/// </summary>
/// <param name="major">X.y.z</param>
/// <param name="minor">x.Y.z</param>
/// <param name="patch">x.y.Z</param>
public NuGetVersion(int major, int minor, int patch)
: this(major, minor, patch, EmptyReleaseLabels, null)
{
}
/// <summary>
/// Creates a NuGetVersion X.Y.Z-alpha
/// </summary>
/// <param name="major">X.y.z</param>
/// <param name="minor">x.Y.z</param>
/// <param name="patch">x.y.Z</param>
/// <param name="releaseLabel">Prerelease label</param>
public NuGetVersion(int major, int minor, int patch, string? releaseLabel)
: this(major, minor, patch, ParseReleaseLabels(releaseLabel), null)
{
}
/// <summary>
/// Creates a NuGetVersion X.Y.Z-alpha#build01
/// </summary>
/// <param name="major">X.y.z</param>
/// <param name="minor">x.Y.z</param>
/// <param name="patch">x.y.Z</param>
/// <param name="releaseLabel">Prerelease label</param>
/// <param name="metadata">Build metadata</param>
public NuGetVersion(int major, int minor, int patch, string? releaseLabel, string? metadata)
: this(major, minor, patch, ParseReleaseLabels(releaseLabel), metadata)
{
}
/// <summary>
/// Creates a NuGetVersion X.Y.Z-alpha.1.2#build01
/// </summary>
/// <param name="major">X.y.z</param>
/// <param name="minor">x.Y.z</param>
/// <param name="patch">x.y.Z</param>
/// <param name="releaseLabels">Prerelease labels</param>
/// <param name="metadata">Build metadata</param>
public NuGetVersion(int major, int minor, int patch, IEnumerable<string>? releaseLabels, string? metadata)
: this(new Version(major, minor, patch, 0), releaseLabels, metadata, null)
{
}
/// <summary>
/// Creates a NuGetVersion W.X.Y.Z
/// </summary>
/// <param name="major">W.x.y.z</param>
/// <param name="minor">w.X.y.z</param>
/// <param name="patch">w.x.Y.z</param>
/// <param name="revision">w.x.y.Z</param>
public NuGetVersion(int major, int minor, int patch, int revision)
: this(major, minor, patch, revision, EmptyReleaseLabels, null)
{
}
/// <summary>
/// Creates a NuGetVersion W.X.Y.Z-alpha#build01
/// </summary>
/// <param name="major">W.x.y.z</param>
/// <param name="minor">w.X.y.z</param>
/// <param name="patch">w.x.Y.z</param>
/// <param name="revision">w.x.y.Z</param>
/// <param name="releaseLabel">Prerelease label</param>
/// <param name="metadata">Build metadata</param>
public NuGetVersion(int major, int minor, int patch, int revision, string releaseLabel, string metadata)
: this(major, minor, patch, revision, ParseReleaseLabels(releaseLabel), metadata)
{
}
/// <summary>
/// Creates a NuGetVersion W.X.Y.Z-alpha.1#build01
/// </summary>
/// <param name="major">W.x.y.z</param>
/// <param name="minor">w.X.y.z</param>
/// <param name="patch">w.x.Y.z</param>
/// <param name="revision">w.x.y.Z</param>
/// <param name="releaseLabels">Prerelease labels</param>
/// <param name="metadata">Build metadata</param>
public NuGetVersion(int major, int minor, int patch, int revision, IEnumerable<string>? releaseLabels, string? metadata)
: this(new Version(major, minor, patch, revision), releaseLabels, metadata, null)
{
}
/// <summary>
/// Creates a NuGetVersion from a .NET Version with additional release labels, build metadata, and a
/// non-normalized version string.
/// </summary>
/// <param name="version">Version numbers</param>
/// <param name="releaseLabels">prerelease labels</param>
/// <param name="metadata">Build metadata</param>
/// <param name="originalVersion">Non-normalized original version string</param>
public NuGetVersion(Version version, IEnumerable<string>? releaseLabels, string? metadata, string? originalVersion)
: base(version, releaseLabels, metadata)
{
_originalString = originalVersion;
Version = NormalizeVersionValue(version);
Revision = Version.Revision;
}
/// <summary>
/// Returns the version string.
/// </summary>
/// <remarks>This method includes legacy behavior. Use ToNormalizedString() instead.</remarks>
/// <remarks>Versions with SemVer 2.0.0 components are automatically normalized.</remarks>
public override string ToString()
{
// Versions with SemVer 2.0.0 components are automatically normalized,
// non-normalized strings are only allowed for backcompat with older versions
// of nuget, and those did not support SemVer 2.0.0.
if (string.IsNullOrEmpty(_originalString) || IsSemVer2)
{
return ToNormalizedString();
}
return _originalString!;
}
/// <summary>
/// A System.Version representation of the version without metadata or release labels.
/// </summary>
public Version Version { get; }
/// <summary>
/// True if the NuGetVersion is using legacy behavior.
/// </summary>
public virtual bool IsLegacyVersion
{
get { return Revision > 0; }
}
/// <summary>
/// Revision version R (x.y.z.R)
/// </summary>
public int Revision { get; }
/// <summary>
/// Returns true if version is a SemVer 2.0.0 version
/// </summary>
public bool IsSemVer2
{
get { return (_releaseLabels != null && _releaseLabels.Length > 1) || HasMetadata; }
}
/// <summary>
/// Returns the original, non-normalized version string.
/// </summary>
public string? OriginalVersion => _originalString;
}
}