public object Execute(IScriptExecutor repl, object[] args)
{
if (args == null || args.Length == 0)
{
return null;
}
string version = null;
var allowPre = false;
if (args.Length >= 2)
{
version = args[1].ToString();
}
allowPre = args.Length >= 3 && args[2].ToString().ToUpperInvariant() == "PRE";
_logger.InfoFormat("Installing {0}", args[0]);
_installationProvider.Initialize();
var packageRef = new PackageReference(
args[0].ToString(), new FrameworkName(".NETFramework,Version=v4.0"), version);
_packageInstaller.InstallPackages(new[] { packageRef }, allowPre);
_packageAssemblyResolver.SavePackages();
var dlls = _packageAssemblyResolver.GetAssemblyNames(repl.FileSystem.CurrentDirectory)
.Except(repl.References.PathReferences).ToArray();
if(repl is IReplExecutor)
((IReplExecutor)repl).AddReferencesAndNotify(dlls);
else
repl.AddReferences(dlls);
foreach (var dll in dlls)
{
_logger.InfoFormat("Added reference to {0}", dll);
}
return null;
}
private object HandleReplCommand(string command, object[] args)
{
if(string.IsNullOrWhiteSpace(command))
return "The REPL command was empty.";
command = command.ToLower();
if (command == "help")
{
return "Available commands are: " + Environment.NewLine +
" :help - displays this information" + Environment.NewLine +
" :clear - clears the REPL" + Environment.NewLine +
" :install <package name> - installs a NuGet package";
}
if (command == "clear")
{
repl.Clear();
return null;
}
if (command == "install")
{
if (args == null || args.Length == 0) return null;
string version = null;
var allowPre = false;
if (args.Length >= 2)
{
version = args[1].ToString();
if (args.Length == 3)
{
allowPre = true;
}
}
Logger.InfoFormat("Installing {0}", args[0]);
var packageRef = new PackageReference(args[0].ToString(), new FrameworkName(".NETFramework,Version=v4.0"), version);
packageInstaller.InstallPackages(new[] { packageRef }, allowPre);
resolver.SavePackages();
var dlls = resolver.GetAssemblyNames(FileSystem.CurrentDirectory).Except(References.PathReferences).ToArray();
AddReferencesAndNotify(dlls);
foreach (var dll in dlls)
{
Logger.InfoFormat("Added reference to {0}", dll);
}
return null;
}
return "Unknown REPL command: "+command;
}