/// <summary>
/// 使用指定的扩展构建器生成扩展实现
/// </summary>
/// <param name="name">扩展名</param>
/// <returns>扩展实现</returns>
protected virtual TInterface MakeExtend(string name)
{
var extend = GetExtend(name)();
OnResolving?.Invoke(extend);
OnAfterResolving?.Invoke(extend);
return(extend);
}
/// <summary>
/// Resolves a package from nuget using a specified name and version.
/// </summary>
/// <param name="name">Name of the package to find</param>
/// <param name="version">Version of the package</param>
/// <returns>File path if the nuget package is found</returns>
protected string ResolvePackage(string name, Version version)
{
var args = new NugetAssemblyResolvingEventArgs()
{
Name = name,
Version = version
};
OnResolving?.Invoke(this, args);
if (!String.IsNullOrWhiteSpace(args.FileLocation))
{
return(args.FileLocation);
}
// search locally
foreach (var file in Directory.EnumerateFiles(Environment.CurrentDirectory, name + ".*"))
{
var extension = Path.GetExtension(file).ToLower();
if (new[] { ".exe", ".dll" }.Contains(extension))
{
Console.WriteLine($" * Found {name} locally");
return(file);
}
}
// remote search
SemanticVersion vers = SemanticVersion.ParseOptionalVersion($"{version.Major}.{version.Minor}.*");
IPackage package = ResolvePackage(name, vers);
if (package != null)
{
string installPath = packageManager.PathResolver.GetInstallPath(package);
string libPath = Path.Combine(installPath, "lib", "net45", name + ".dll");
if (File.Exists(libPath))
{
OnResolved?.Invoke(this, new NugetAssemblyResolvedEventArgs()
{
FilePath = libPath
});
return(libPath);
}
else
{
var files = Directory.EnumerateFiles(installPath, "*.dll", SearchOption.AllDirectories);
if (files.Count() == 1)
{
libPath = files.Single();
OnResolved?.Invoke(this, new NugetAssemblyResolvedEventArgs()
{
FilePath = libPath
});
return(libPath);
}
}
}
//else
//{
//}
return(null);
}