public ActionResult Index(Guid? s = null)
{
var viewModel = new IndexViewModel("Code Editor")
{
Source = s.HasValue
? (string) MemoryCache.Default[s.ToString()]
: StartSource
};
return View(viewModel);
}
public ActionResult Index(string source)
{
var syntaxTree = CSharpSyntaxTree.ParseText(source);
var referenceNames = Regex.Matches(source, "using ([^;]+)").Cast<Match>().Select(m => m.Groups[1].Value);
var references = new List<MetadataReference>
{
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(Assembly.LoadWithPartialName("System").Location),
MetadataReference.CreateFromFile(Assembly.LoadWithPartialName("System.Core").Location)
};
foreach (var reference in referenceNames)
{
try
{
references.Add(MetadataReference.CreateFromFile(Assembly.LoadWithPartialName(reference).Location));
}
catch (NullReferenceException)
{
}
}
var compilation = CSharpCompilation.Create("IPlayer", new[] { syntaxTree }, references, new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
using (var ms = new MemoryStream())
{
var result = compilation.Emit(ms);
if (result.Success)
{
ms.Seek(0, SeekOrigin.Begin);
var assembly = Assembly.Load(ms.ToArray());
var players = ExtractPlayersFromAssembly(assembly).ToList();
SavePlayers(players);
var sourceGuid = Guid.NewGuid().ToString();
MemoryCache.Default.Add(sourceGuid, source, new CacheItemPolicy { AbsoluteExpiration = DateTimeOffset.Now.AddDays(1) });
return RedirectToAction("Index", new {s = sourceGuid});
}
var viewModel = new IndexViewModel("Code Editor")
{
Diagnostics = result.Diagnostics.Select(d => d.ToString()).ToList(),
Source = source
};
return View(viewModel);
}
}
