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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Mba.Core
{
using System;
using System.Runtime.InteropServices;
/// <summary>
/// An enhanced implementation of SemVer 2.0.
/// </summary>
public sealed class VerUtilVersion : IDisposable
{
internal VerUtilVersion(VerUtil.VersionHandle handle)
{
this.Handle = handle;
var pVersion = handle.DangerousGetHandle();
var version = (VerUtil.VersionStruct)Marshal.PtrToStructure(pVersion, typeof(VerUtil.VersionStruct));
this.Version = Marshal.PtrToStringUni(version.sczVersion);
this.Prefix = version.chPrefix;
this.Major = version.dwMajor;
this.Minor = version.dwMinor;
this.Patch = version.dwPatch;
this.Revision = version.dwRevision;
this.ReleaseLabels = new VerUtilVersionReleaseLabel[version.cReleaseLabels];
this.Metadata = VerUtil.VersionStringFromOffset(version.sczVersion, version.cchMetadataOffset);
this.IsInvalid = version.fInvalid;
this.HasMajor = version.fHasMajor;
this.HasMinor = version.fHasMinor;
this.HasPatch = version.fHasPatch;
this.HasRevision = version.fHasRevision;
for (var i = 0; i < version.cReleaseLabels; ++i)
{
var offset = i * Marshal.SizeOf(typeof(VerUtil.VersionReleaseLabelStruct));
var pReleaseLabel = new IntPtr(version.rgReleaseLabels.ToInt64() + offset);
this.ReleaseLabels[i] = new VerUtilVersionReleaseLabel(pReleaseLabel, version.sczVersion);
}
}
/// <summary>
/// String version, which would have stripped the leading 'v'.
/// </summary>
public string Version { get; private set; }
/// <summary>
/// Prefix character that was stripped from <c>Version</c>, or the null character if there was no prefix.
/// </summary>
public char Prefix { get; private set; }
/// <summary>
/// For version A.B.C.D, Major is A. It is 0 if not specified.
/// </summary>
public uint Major { get; private set; }
/// <summary>
/// For version A.B.C.D, Minor is B. It is 0 if not specified.
/// </summary>
public uint Minor { get; private set; }
/// <summary>
/// For version A.B.C.D, Patch is C. It is 0 if not specified.
/// </summary>
public uint Patch { get; private set; }
/// <summary>
/// For version A.B.C.D, Revision is D. It is 0 if not specified.
/// </summary>
public uint Revision { get; private set; }
/// <summary>
/// For version X.Y.Z-releaselabels+metadata, ReleaseLabels is the parsed information for releaselabels.
/// </summary>
public VerUtilVersionReleaseLabel[] ReleaseLabels { get; private set; }
/// <summary>
/// For version X.Y.Z-releaselabels+metadata, Metadata is the rest of the string after +.
/// For invalid versions, it is all of the string after the point where it was an invalid string.
/// </summary>
public string Metadata { get; private set; }
/// <summary>
/// Whether the version conformed to the spec.
/// </summary>
public bool IsInvalid { get; private set; }
/// <summary>
/// Whether the Major part was specified.
/// </summary>
public bool HasMajor { get; private set; }
/// <summary>
/// Whether the Minor part was specified.
/// </summary>
public bool HasMinor { get; private set; }
/// <summary>
/// Whether the Patch part was specified.
/// </summary>
public bool HasPatch { get; private set; }
/// <summary>
/// Whether the Revision part was specified.
/// </summary>
public bool HasRevision { get; private set; }
/// <inheritdoc/>
public void Dispose()
{
if (this.Handle != null)
{
this.Handle.Dispose();
this.Handle = null;
}
}
private VerUtil.VersionHandle Handle { get; set; }
internal VerUtil.VersionHandle GetHandle()
{
if (this.Handle == null)
{
throw new ObjectDisposedException(this.Version);
}
return this.Handle;
}
}
}
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