/// <summary>
/// Finds and compiles Emmet source file.
/// </summary>
/// <exception cref="FileNotFoundException">
/// Indicates that Emmet script was not found.
/// </exception>
public void CompileCore()
{
string extensionFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
string emmetScript = Path.Combine(extensionFolder, @"emmet-min.js");
if (!File.Exists(emmetScript))
{
throw new FileNotFoundException("Emmet script not found.", emmetScript);
}
ObjectHandle window = _engine.CreateObject();
_engine.DynamicGlobalObject.window = window;
Handle script = _engine.LoadScript(emmetScript, "Emmet");
if (script.IsError)
{
this.TraceError(script.AsString);
throw new Exception <EmmetEngineExceptionArgs>(
new EmmetEngineExceptionArgs("Failed to compile Emmet", script));
}
else
{
this.Trace("Emmet core compiled successfully.");
}
}
protected override async Task OnLoadAsync()
{
var scriptsDir = Path.Combine(m_Runtime.WorkingDirectory, "scripts");
var nativeDir = Path.Combine(m_Runtime.WorkingDirectory, "native");
if (!s_Initialized)
{
if (!Directory.Exists(nativeDir))
{
Directory.CreateDirectory(nativeDir);
}
var latestPackageId = await m_NuGetPackageManager.GetLatestPackageIdentityAsync("V8.NET");
var nupkgFile = m_NuGetPackageManager.GetNugetPackageFile(latestPackageId);
var packageReader = new PackageArchiveReader(nupkgFile);
foreach (var file in packageReader.GetFiles("contentFiles"))
{
if (!file.Contains("netstandard2.0"))
{
continue;
}
var fileName = Path.GetFileName(file);
var entry = packageReader.GetEntry(file);
using var stream = entry.Open();
var ms = new FileStream(Path.Combine(nativeDir, fileName), FileMode.Create);
await stream.CopyToAsync(ms);
ms.Close();
stream.Close();
}
Loader.AlternateRootSubPath = nativeDir;
s_Initialized = true;
}
if (!Directory.Exists(scriptsDir))
{
Directory.CreateDirectory(scriptsDir);
}
else
{
foreach (var directory in Directory.GetDirectories(scriptsDir))
{
m_Logger.LogInformation($"[loading] Script: {directory}");
var filePath = Path.Combine(directory, "startup.js");
if (!File.Exists(filePath))
{
continue;
}
var scriptId = new DirectoryInfo(directory).Name;
m_Engine = new V8Engine(true);
var globalContext = m_Engine.GetContext();
var v8Context = m_Engine.CreateContext();
var scriptLifeTime = m_LifetimeScope.BeginLifetimeScope(builder =>
{
builder.Register(ctx => m_Engine)
.As <V8Engine>()
.SingleInstance()
.OwnedByLifetimeScope();
builder.Register(ctx => v8Context)
.As <Context>()
.SingleInstance()
.OwnedByLifetimeScope();
});
try
{
var serviceProvider = scriptLifeTime.Resolve <IServiceProvider>();
m_Engine.SetContext(v8Context);
m_Engine.GlobalObject.SetProperty("logger", ActivatorUtilities.CreateInstance <ScriptLogger>(serviceProvider, scriptId), memberSecurity: ScriptMemberSecurity.Locked);
m_Engine.GlobalObject.SetProperty("openmod", ActivatorUtilities.CreateInstance <OpenModFunctions>(serviceProvider), memberSecurity: ScriptMemberSecurity.Locked);
var script = m_Engine.LoadScript(filePath, throwExceptionOnError: true);
m_Engine.Execute(script, throwExceptionOnError: true, trackReturn: false);
m_Engine.SetContext(globalContext);
GC.KeepAlive(script);
}
catch (Exception ex)
{
m_Logger.LogError(ex.GetBaseException(), $"Script error in script \"{scriptId}\"");
}
}
}
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
returnValue = CefV8Value.CreateNull();
exception = null;
try
{
var context = CefV8Context.GetCurrentContext();
var browser = context.GetBrowser();
var frame = browser.GetMainFrame();
if (name == "compile" || name == "loadScript" || name == "loadScriptCompiled")
{
if (arguments.Length >= 3)
{
var script = arguments[0].GetStringValue();
var sourceName = arguments[1].GetStringValue();
var throwExceptionOnError = arguments[2].GetBoolValue();
var callback = (arguments.Length == 4 ? arguments[3] : null);
if (!string.IsNullOrEmpty(script) && !string.IsNullOrEmpty(sourceName))
{
if (callback != null && callback.IsFunction)
{
var runner = CefTaskRunner.GetForCurrentThread();
new Task(() =>
{
context.Enter();
if (name == "compile")
{
engine.Compile(script, sourceName, throwExceptionOnError);
}
else if (name == "loadScript")
{
engine.LoadScript(script, sourceName, throwExceptionOnError);
}
else if (name == "loadScriptCompiled")
{
engine.LoadScriptCompiled(script, sourceName, throwExceptionOnError);
}
runner.PostTask(new CallbackTask(context, callback, JsonMapper.ToJson(new StatusHelper("OK", name))));
context.Exit();
}).Start();
}
else
{
if (name == "compile")
{
engine.Compile(script, sourceName, throwExceptionOnError);
}
else if (name == "loadScript")
{
engine.LoadScript(script, sourceName, throwExceptionOnError);
}
else if (name == "loadScriptCompiled")
{
engine.LoadScriptCompiled(script, sourceName, throwExceptionOnError);
}
returnValue = CefV8Value.CreateString(JsonMapper.ToJson(new StatusHelper("OK", name)));
}
}
else
{
returnValue = DontMeetRequirements(context, callback);
}
}
else
{
returnValue = DontMeetRequirements(context, null);
}
}
else if (name == "consoleExecute" || name == "execute" || name == "verboseConsoleExecute")
{
if (arguments.Length >= 4)
{
var script = arguments[0].GetStringValue();
var sourceName = arguments[1].GetStringValue();
var throwExceptionOnError = arguments[2].GetBoolValue();
var timeOut = arguments[3].GetIntValue();
var callback = (arguments.Length == 5 ? arguments[4] : null);
if (!string.IsNullOrEmpty(script) && !string.IsNullOrEmpty(sourceName))
{
if (callback != null && callback.IsFunction)
{
var runner = CefTaskRunner.GetForCurrentThread();
new Task(() =>
{
context.Enter();
if (name == "consoleExecute")
{
engine.ConsoleExecute(script, sourceName, throwExceptionOnError, timeOut);
}
else if (name == "execute")
{
engine.Execute(script, sourceName, throwExceptionOnError, timeOut);
}
else if (name == "verboseConsoleExecute")
{
engine.VerboseConsoleExecute(script, sourceName, throwExceptionOnError, timeOut);
}
runner.PostTask(new CallbackTask(context, callback, JsonMapper.ToJson(new StatusHelper("OK", name))));
context.Exit();
}).Start();
}
else
{
if (name == "consoleExecute")
{
engine.ConsoleExecute(script, sourceName, throwExceptionOnError, timeOut);
}
else if (name == "execute")
{
engine.Execute(script, sourceName, throwExceptionOnError, timeOut);
}
else if (name == "verboseConsoleExecute")
{
engine.VerboseConsoleExecute(script, sourceName, throwExceptionOnError, timeOut);
}
returnValue = CefV8Value.CreateString(JsonMapper.ToJson(new StatusHelper("OK", name)));
}
}
else
{
returnValue = DontMeetRequirements(context, callback);
}
}
else
{
returnValue = DontMeetRequirements(context, null);
}
}
else if (name == "terminateExecution")
{
if (arguments.Length >= 0)
{
var callback = (arguments.Length == 1 ? arguments[0] : null);
if (callback != null && callback.IsFunction)
{
var runner = CefTaskRunner.GetForCurrentThread();
new Task(() =>
{
context.Enter();
engine.TerminateExecution();
runner.PostTask(new CallbackTask(context, callback, JsonMapper.ToJson(new StatusHelper("OK", "TerminateExecution"))));
context.Exit();
}).Start();
}
else
{
engine.TerminateExecution();
returnValue = CefV8Value.CreateString(JsonMapper.ToJson(new StatusHelper("OK", "TerminateExecution")));
}
}
else
{
returnValue = DontMeetRequirements(context, null);
};
}
else if (name == "runStartupFile")
{
if (arguments.Length >= 0)
{
var callback = (arguments.Length == 1 ? arguments[0] : null);
if (callback != null && callback.IsFunction)
{
var runner = CefTaskRunner.GetForCurrentThread();
new Task(() =>
{
context.Enter();
var message = "V8 Script Engine : Started";
Log.Trace(message, configuration.Verbose);
runner.PostTask(new CallbackTask(context, callback, JsonMapper.ToJson(new StatusHelper("OK", message))));
context.Exit();
}).Start();
}
else
{
var message = "V8 Script Engine : Started";
Log.Trace(message, configuration.Verbose);
returnValue = CefV8Value.CreateString(JsonMapper.ToJson(new StatusHelper("OK", message)));
}
}
else
{
returnValue = DontMeetRequirements(context, null);
};
}
return(true);
}
catch (Exception ex)
{
returnValue = CefV8Value.CreateNull();
exception = ex.Message;
return(true);
}
}