public CCFixture()
{
runtime = JsRuntime.Create(JsRuntimeAttributes.AllowScriptInterrupt);
context = runtime.CreateContext();
context.AddRef();
typeMapper = new TypeMapper();
}
public async Task <T> BuildContext <T>(Func <Runtime, JsContext, TypeMapper, T> initializer) where T : BaseProgram
{
var buildTask = Function(() =>
{
var context = runtime.CreateContext();
using (new JsContext.Scope(context))
{
// TODO: Configure promise callback. Promises should be added to be executed along main queue of work.
JsContext.SetPromiseContinuationCallback(PromiseContinuationCallback, IntPtr.Zero);
}
return(context);
}, priority: JsTaskPriority.INITIALIZATION);
var context = await buildTask;
var program = initializer(this, context, typeMapper);
program.InitializeState();
programs.Add(program);
return(program);
}
/// <summary>
/// Constructs an instance of adapter for the ChakraCore JS engine
/// </summary>
/// <param name="settings">Settings of the ChakraCore JS engine</param>
public ChakraCoreJsEngine(ChakraCoreSettings settings)
{
ChakraCoreSettings chakraCoreSettings = settings ?? new ChakraCoreSettings();
JsRuntimeAttributes attributes = JsRuntimeAttributes.None;
if (chakraCoreSettings.DisableBackgroundWork)
{
attributes |= JsRuntimeAttributes.DisableBackgroundWork;
}
if (chakraCoreSettings.DisableNativeCodeGeneration)
{
attributes |= JsRuntimeAttributes.DisableNativeCodeGeneration;
}
if (chakraCoreSettings.DisableEval)
{
attributes |= JsRuntimeAttributes.DisableEval;
}
if (chakraCoreSettings.EnableExperimentalFeatures)
{
attributes |= JsRuntimeAttributes.EnableExperimentalFeatures;
}
_externalObjectFinalizeCallback = ExternalObjectFinalizeCallback;
_dispatcher.Invoke(() =>
{
try
{
_jsRuntime = JsRuntime.Create(attributes, null);
_jsContext = _jsRuntime.CreateContext();
_jsContext.AddRef();
}
catch (Exception e)
{
throw new JsEngineLoadException(
string.Format(CoreStrings.Runtime_JsEngineNotLoaded,
EngineName, e.Message), EngineName, EngineVersion, e);
}
});
}
/// <summary>
/// Constructs an instance of adapter for the ChakraCore JS engine
/// </summary>
/// <param name="settings">Settings of the ChakraCore JS engine</param>
public ChakraCoreJsEngine(ChakraCoreSettings settings)
{
#if NETFULL
Initialize();
#endif
ChakraCoreSettings chakraCoreSettings = settings ?? new ChakraCoreSettings();
JsRuntimeAttributes attributes = JsRuntimeAttributes.AllowScriptInterrupt;
if (chakraCoreSettings.DisableBackgroundWork)
{
attributes |= JsRuntimeAttributes.DisableBackgroundWork;
}
if (chakraCoreSettings.DisableEval)
{
attributes |= JsRuntimeAttributes.DisableEval;
}
if (chakraCoreSettings.DisableExecutablePageAllocation)
{
attributes |= JsRuntimeAttributes.DisableExecutablePageAllocation;
}
if (chakraCoreSettings.DisableFatalOnOOM)
{
attributes |= JsRuntimeAttributes.DisableFatalOnOOM;
}
if (chakraCoreSettings.DisableNativeCodeGeneration)
{
attributes |= JsRuntimeAttributes.DisableNativeCodeGeneration;
}
if (chakraCoreSettings.EnableExperimentalFeatures)
{
attributes |= JsRuntimeAttributes.EnableExperimentalFeatures;
}
#if NETSTANDARD1_3
_dispatcher = new ScriptDispatcher();
#else
_dispatcher = new ScriptDispatcher(chakraCoreSettings.MaxStackSize);
#endif
_promiseContinuationCallback = PromiseContinuationCallback;
try
{
_dispatcher.Invoke(() =>
{
_jsRuntime = JsRuntime.Create(attributes, null);
_jsRuntime.MemoryLimit = settings.MemoryLimit;
_jsContext = _jsRuntime.CreateContext();
if (_jsContext.IsValid)
{
_jsContext.AddRef();
}
});
}
catch (DllNotFoundException e)
{
throw WrapDllNotFoundException(e);
}
catch (Exception e)
{
throw CoreErrorHelpers.WrapEngineLoadException(e, EngineName, EngineVersion, true);
}
finally
{
if (!_jsContext.IsValid)
{
Dispose();
}
}
}
private async Task <string> parseChapterPageAsync(ChapterDataDetailed chapter, HtmlDocument document)
{
// var preview = "7966638.html",next = "7966640.html",bid = "11341",book="剑娘",zid = "7966639",chapter = "第893章 舰娘再现";document.onkeydown= jumpPage;
var rscript = document.DocumentNode.SelectNodes("/html/head/script").Last(n => !n.GetInnerText().IsNullOrWhiteSpace());
var prop = Helpers.ParseJsKvp(rscript.GetInnerText());
chapter.Key = prop["zid"];
chapter.Title = prop["chapter"];
var nk = prop["next"]; // 123567.html
if (nk.Contains('.'))
{
nk = nk.Substring(0, nk.IndexOf('.'));
}
else
{
nk = null; //the last chapter
}
var center = document.GetElementbyId("center");
chapter.UpdateTime = DateTime.Parse(center.SelectSingleNode("./div[@class='title']/span[last()]").GetInnerText());
chapter.WordCount = int.Parse(center.SelectSingleNode("./div[@class='title']/span[last()-1]").GetInnerText());
var displayTitle = center.SelectSingleNode("./div[@class='title']/h1").GetInnerText();
if (displayTitle != chapter.Title && displayTitle.EndsWith(chapter.Title))
{
chapter.VolumeTitle = displayTitle.Substring(0, displayTitle.Length - chapter.Title.Length).Trim();
}
var script = center.SelectSingleNode("./script");
var content = document.GetElementbyId("content");
if (script != null)
{
var scr = script.GetInnerText();
var uri = "/ajax/content/";
var data = default(Dictionary <string, string>);
IJsValue post(IJsFunction callee, IJsObject caller, bool isConstructCall, IReadOnlyList <IJsValue> arguments)
{
uri = arguments[0].ToString().CoalesceNullOrEmpty("/ajax/content/");
data = ((IDictionary <string, IJsValue>)arguments[1]).ToDictionary(kv => kv.Key, kv => kv.Value.ToString());
return(JsUndefined.Instance);
}
using (jsrt.CreateContext().Use(true))
{
var jq = JsObject.Create();
jq["post"] = JsFunction.Create(post);
JsValue.GlobalObject["$"] = jq;
JsContext.RunScript(scr);
}
var realContent = await Post(new Uri(uri, UriKind.RelativeOrAbsolute), new HttpFormUrlEncodedContent(data));
var contentDoc = new HtmlDocument();
contentDoc.Load((await realContent.Content.ReadAsBufferAsync()).AsStream(), document.DeclaredEncoding);
content = contentDoc.DocumentNode;
}
chapter.Content = string.Join("\n", content.Elements("p").EmptyIfNull().Select(p => p.GetInnerText()));
return(nk);
}
static void Main(string[] args)
{
using (JsRuntime runtime = JsRuntime.Create())
{
JsContext context = runtime.CreateContext();
context.AddRef();
JsSourceContext sourceContext = JsSourceContext.FromIntPtr(IntPtr.Zero);
var moduleManager = new EsModuleManager(() => sourceContext++);
var scope = new JsScope(context);
try
{
JsValue moduleNamespace;
// It's not working. Always returns a result equal to `undefined`.
JsValue resultValue = moduleManager.EvaluateModuleCode(
@"import * as geometry from './geometry/geometry.js';
new geometry.Square(15).area;",
"Files/main-with-return-value.js",
out moduleNamespace
);
WriteLine("Return value: {0}", resultValue.ConvertToString().ToString());
// It's works. We can return the result value by using the default export.
moduleManager.EvaluateModuleCode(
@"import * as geometry from './geometry/geometry.js';
export default new geometry.Square(20).area;",
"Files/main-with-default-export.js",
out moduleNamespace
);
JsPropertyId defaultPropertyId = JsPropertyId.FromString("default");
JsValue defaultPropertyValue = moduleNamespace.GetProperty(defaultPropertyId);
WriteLine("Default export: {0}", defaultPropertyValue.ConvertToString().ToString());
// It's works. We can return the result value by using the named export.
moduleManager.EvaluateModuleCode(
@"import * as geometry from './geometry/geometry.js';
export let squareArea = new geometry.Square(25).area;",
"Files/main-with-named-export.js",
out moduleNamespace
);
JsPropertyId squareAreaPropertyId = JsPropertyId.FromString("squareArea");
JsValue squareAreaPropertyValue = moduleNamespace.GetProperty(squareAreaPropertyId);
WriteLine("Named export: {0}", squareAreaPropertyValue.ConvertToString().ToString());
}
catch (JsException e)
{
WriteLine("During working of JavaScript engine an error occurred.");
WriteLine();
Write(e.Message);
var scriptException = e as JsScriptException;
if (scriptException != null)
{
WriteLine();
JsValue errorValue = scriptException.Metadata.GetProperty("exception");
JsValueType errorValueType = errorValue.ValueType;
if (errorValueType == JsValueType.Error || errorValueType == JsValueType.Object)
{
JsValue messageValue;
JsPropertyId stackPropertyId = JsPropertyId.FromString("stack");
if (errorValue.HasProperty(stackPropertyId))
{
messageValue = errorValue.GetProperty(stackPropertyId);
}
else
{
messageValue = errorValue.GetProperty("message");
}
WriteLine(messageValue.ToString());
}
else if (errorValueType == JsValueType.String)
{
WriteLine(errorValue.ToString());
}
else
{
WriteLine(errorValue.ConvertToString().ToString());
}
}
}
finally
{
scope.Dispose();
moduleManager?.Dispose();
context.Release();
}
}
}
