public static string GetAssemblyFile(string assembly, Version version, DotNetFramework framework, GACFolders folders, string[] customSearchDirs = null)
{
var nugetVersion = version.MinorRevision <= 0
? $"{version.Major}.{version.Minor}.{version.Build}"
: $"{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
if (customSearchDirs != null)
{
foreach (var libDir in customSearchDirs)
{
var file = $"{libDir}/{assembly}.dll";
if (File.Exists(file))
{
return(file);
}
}
}
if (folders.HasFlag(GACFolders.NuGet))
{
var libDir = $"{UserProfileFolder}/.nuget/packages/{assembly}/{nugetVersion}/lib";
if (Directory.Exists(libDir))
{
var libTFMs = Directory.GetDirectories(libDir).Select(x => Path.GetFileName(x));
var libTFM = framework.CompatibilityFrameworks.FirstOrDefault(x => libTFMs.Contains(x.TFM));
if (libTFM != null)
{
var file = $"{libDir}/{libTFM.TFM}/{assembly}.dll";
if (File.Exists(file))
{
return(file);
}
}
}
}
if (folders.HasFlag(GACFolders.SDK))
{
var libDir = $"{ProgramFilesFolder}/dotnet/sdk/NuGetFallbackFolder/{assembly}/{nugetVersion}/lib";
if (Directory.Exists(libDir))
{
var libTFMs = Directory.GetDirectories(libDir).Select(x => Path.GetFileName(x));
var libTFM = framework.CompatibilityFrameworks.FirstOrDefault(x => libTFMs.Contains(x.TFM));
if (libTFM != null)
{
var file = $"{libDir}/{libTFM.TFM}/{assembly}.dll";
if (File.Exists(file))
{
return(file);
}
}
}
}
if (folders.HasFlag(GACFolders.Shared))
{
var searchDirs = Directory.GetDirectories($"{ProgramFilesFolder}/dotnet/shared");
switch (framework.Abbreviation)
{
case "netcoreapp":
foreach (var libDir in searchDirs)
{
var _version = Directory.GetDirectories(libDir)
.Select(x => new Version(Path.GetFileName(x)))
.Where(v => v >= framework.Version)
.Min();
if (_version != null)
{
var file = $"{libDir}/{_version}/{assembly}.dll";
if (File.Exists(file))
{
return(file);
}
}
}
break;
default:
throw new NotSupportedException("Only netcoreapp is supported.");
}
}
return(null);
}
public static ResolveEventHandler CreateAssemblyResolver(Assembly assembly, string targetFramework, GACFolders folders, string[] customSearchDirs = null)
{
var refAssemblies = assembly.GetReferencedAssemblies();
var framework = DotNetFramework.Parse(targetFramework);
return(new ResolveEventHandler((sender, args) =>
{
var regex = new Regex("([^,]+), Version=([^,]+), Culture=[^,]+, PublicKeyToken=.+");
var match = regex.Match(args.Name);
var assembly = match.Groups[1].Value;
var version = new Version(match.Groups[2].Value);
var useAssembly = refAssemblies.FirstOrDefault(x => x.Name == assembly);
string dll;
if (useAssembly != null)
{
dll = GetAssemblyFile(useAssembly.Name, useAssembly.Version, framework, folders, customSearchDirs);
}
else
{
dll = GetAssemblyFile(assembly, version, framework, folders, customSearchDirs);
}
return Assembly.LoadFile(dll);
}));
}
