internal JToken ConvertBack(JTokenType type, JsValue value)
{
switch (type)
{
case JTokenType.Array:
if (value.IsArray())
{
var array = value.AsArray();
return(new JArray(array.Properties.Where(k => ArrayInstance.IsArrayIndex(new JsValue(k.Key))).Select(kvp => ConvertBack(kvp.Value.Value ?? JsValue.Null))));
}
break;
case JTokenType.Boolean:
if (value.IsBoolean())
{
return(new JValue(value.AsBoolean()));
}
break;
case JTokenType.Date:
if (value.IsDate())
{
return(new JValue(value.AsDate()));
}
break;
case JTokenType.Float:
if (value.IsNumber())
{
return(new JValue((float)value.AsNumber()));
}
break;
case JTokenType.Integer:
if (value.IsNumber())
{
return(new JValue((int)value.AsNumber()));
}
break;
case JTokenType.String:
if (value.IsString())
{
return(JValue.CreateString(value.AsString()));
}
break;
}
return(ConvertBack(value));
}
public double ProcessEvent(string evtJson)
{
// Should we accumulate this metric for the current period, or should
// we reset the accumulator for the new period.
var currentPeriod = _period.StandardizeDate(DateTime.UtcNow);
if (currentPeriod != _currentPeriod)
{
if (_currentPeriod != DateTime.MinValue)
{
// Get the terminated value for this period
JsValue terminationJsValue = _context.ExecuteFunction("terminate");
var terminationValue = terminationJsValue.AsNumber();
// Store it in the database for this period / TimePeriod
StoreResultValue(_currentPeriod, terminationValue);
// Reset the current value
_context.ExecuteFunction("reset");
}
_currentPeriod = currentPeriod;
}
JsValue v = _context.ExecuteFunction("accumulate", new string[] { evtJson });
var value = v.AsNumber();
// Update the "current" context we have for this value, so if the process
// restarts, it can restore its state.
StoreResultContext();
return(value);
}
internal static ObjectInstance ToBooleanOrObject(this JsValue x, out bool boolVal)
{
if (x.IsObject())
{
boolVal = false;
return(x.AsObject());
}
switch (x.Type)
{
case Types.Boolean:
boolVal = x.AsBoolean();
break;
case Types.Number:
boolVal = x.AsNumber() != 0;
break;
default:
boolVal = !x.IsNull() && !x.IsUndefined();
break;
}
return(null);
}
internal JToken ConvertBack(JsValue value)
{
switch (value.Type)
{
case Jint.Runtime.Types.None:
throw new NotSupportedException();
case Jint.Runtime.Types.Undefined:
return(JValue.CreateUndefined());
case Jint.Runtime.Types.Null:
return(JValue.CreateNull());
case Jint.Runtime.Types.Boolean:
return(new JValue(value.AsBoolean()));
case Jint.Runtime.Types.String:
return(JValue.CreateString(value.AsString()));
case Jint.Runtime.Types.Number:
return(new JValue(value.AsNumber()));
case Jint.Runtime.Types.Object:
var ntsObjectInstance = value.AsObject() as NTSObjectInstance;
if (ntsObjectInstance != null)
{
return(ntsObjectInstance.root);
}
return(new JObject(value.AsObject().Properties.Where(kvp => !kvp.Value.Enumerable.HasValue || kvp.Value.Enumerable.Value).Select(kvp => new JProperty(kvp.Key, ConvertBack(kvp.Value.Value ?? JsValue.Undefined)))));
default:
throw new NotSupportedException();
}
}
public static Object FromJsValue(this JsValue val)
{
switch (val.Type)
{
case Types.Boolean:
return(val.AsBoolean());
case Types.Number:
return(val.AsNumber());
case Types.String:
return(val.AsString());
case Types.Object:
var obj = val.AsObject();
var node = obj as DomNodeInstance;
return(node != null ? node.Value : obj);
case Types.Undefined:
return(Undefined.Text);
case Types.Null:
return(null);
}
return(val.ToObject());
}
public static JsValue PostDecrement(ref JsValue val)
{
var prev = val.AsNumber();
val = new JsNumber(prev.Value - 1);
return(prev);
}
public static ObjectInstance ToObject(Engine engine, JsValue value)
{
if (value.IsObject())
{
return(value.AsObject());
}
if (value == Undefined.Instance)
{
throw new JavaScriptException(engine.TypeError);
}
if (value == Null.Instance)
{
throw new JavaScriptException(engine.TypeError);
}
if (value.IsBoolean())
{
return(engine.Boolean.Construct(value.AsBoolean()));
}
if (value.IsNumber())
{
return(engine.Number.Construct(value.AsNumber()));
}
if (value.IsString())
{
return(engine.String.Construct(value.AsString()));
}
throw new JavaScriptException(engine.TypeError);
}
public static object ConvertToNative(this JsValue self)
{
switch (self.Type)
{
case Types.None:
case Types.Undefined:
case Types.Null:
return(null);
case Types.Boolean:
return(self.AsBoolean());
case Types.String:
return(self.AsString());
case Types.Number:
double value = self.AsNumber();
if (Math.Abs(value - (int)value) < Double.Epsilon)
{
return((int)value);
}
return(value);
case Types.Object:
throw new ArgumentException("Cannot convert object to a native value");
default:
throw new ArgumentOutOfRangeException(nameof(self));
}
}
public int AsNativeInt(JsValue value)
{
if (value.IsNull() || value.IsUndefined())
{
return(0);
}
return((int)Math.Round(value.AsNumber()));
}
public static RectOffset FromJsValue(JsValue obj)
{
if (obj == null || obj.IsNull() || obj.IsUndefined())
{
return(null);
}
if (obj.IsNumber())
{
var num = (int)obj.AsNumber();
return(new RectOffset(num, num, num, num));
}
if (obj.IsArray())
{
var len = obj.AsArray().Length;
var v0 = obj.AsArray()[0];
var v1 = obj.AsArray()[1];
var v2 = obj.AsArray()[2];
var v3 = obj.AsArray()[3];
var top = v0.IsNumber() ? (int)v0.AsNumber() : 0;
var right = v1.IsNumber() ? (int)v1.AsNumber() : (len < 2 ? top : 0);
var bottom = v2.IsNumber() ? (int)v2.AsNumber() : top;
var left = v3.IsNumber() ? (int)v3.AsNumber() : right;
return(new RectOffset(left, right, top, bottom));
}
if (obj.IsObject())
{
var ob = obj.AsObject();
var vert = ob.Get("vertical");
var hor = ob.Get("horizontal");
var v0 = ob.Get("top");
var v1 = ob.Get("right");
var v2 = ob.Get("bottom");
var v3 = ob.Get("left");
var val1 = vert.IsNumber() ? (int)vert.AsNumber() : 0;
var val2 = hor.IsNumber() ? (int)hor.AsNumber() : 0;
var top = v0.IsNumber() ? (int)v0.AsNumber() : val1;
var right = v1.IsNumber() ? (int)v1.AsNumber() : val2;
var bottom = v2.IsNumber() ? (int)v2.AsNumber() : val1;
var left = v3.IsNumber() ? (int)v3.AsNumber() : val2;
return(new RectOffset(left, right, top, bottom));
}
return(null);
}
public static object GetItem(this Jint.Native.Array.ArrayInstance a, int index)
{
JsValue l = a.Get(index.ToString());
if (l.IsNull())
{
return(null);
}
if (l.IsNumber())
{
return(l.AsNumber());
}
if (l.IsBoolean())
{
return(l.AsBoolean());
}
if (l.IsString())
{
return(l.AsString());
}
if (l.IsNumber())
{
return(l.AsNumber());
}
if (l.IsUndefined())
{
return("undefined");
}
if (l.IsObject())
{
return(l.AsObject());
}
if (l.IsRegExp())
{
return(l.AsObject());
}
throw new ArgumentException(string.Format("Cannot deal with JsValue {0}", l));
}
/// <summary>
/// Management Web-Interface: Monitoring / Port Statistics
/// </summary>
/// <returns></returns>
public IReadOnlyList <PortStateInfo> GetPortStatistics()
{
string html = _client.DownloadString("PortStatisticsRpm.htm");
if (html.Contains("id=\"logon\""))
{
// not logged in!
throw new Exception("login failed");
}
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(html);
List <HtmlNode> scriptNodes = doc.DocumentNode.Descendants("script").ToList();
if (!scriptNodes.Any())
{
throw new Exception("no script nodes found");
}
HtmlNode script = scriptNodes.First();
string scriptText = script.InnerText;
Engine scriptingEngine = new Engine();
Engine result = scriptingEngine.Execute(scriptText);
JsValue r1 = result.GetValue("max_port_num");
JsValue r2 = result.GetValue("all_info");
int max_port_num = (int)r1.AsNumber();
long[] linkStatusArray = AsLongArray(r2.AsObject().GetProperty("link_status").Value);
long[] stateArray = AsLongArray(r2.AsObject().GetProperty("state").Value);
long[] packetCountArray = AsLongArray(r2.AsObject().GetProperty("pkts").Value);
List <PortStateInfo> ports = new List <PortStateInfo>();
for (int i = 0; i < max_port_num; i++)
{
var psi = new PortStateInfo()
{
PortNumber = (byte)(i + 1),
IsEnabled = stateArray[i] == 1,
LinkStatus = (byte)linkStatusArray[i],
TxGoodPkt = packetCountArray[i * 4 + 0],
TxBadPkt = packetCountArray[i * 4 + 1],
RxGoodPkt = packetCountArray[i * 4 + 2],
RxBadPkt = packetCountArray[i * 4 + 3],
};
ports.Add(psi);
}
return(ports);
}
public object ConvertFromJs(JsValue jsValue)
{
if (jsValue == _getEngine().Global)
{
return(_global);
}
if (jsValue.IsUndefined())
{
return(null);
}
if (jsValue.IsObject())
{
switch (jsValue.AsObject())
{
case IObjectWrapper wrapper:
return(wrapper.Target);
case ClrPrototype proto:
return(proto);
case ObjectInstance objInst:
//todo: instantiate object instead of distionary
return(objInst.GetOwnProperties().ToDictionary(x => x.Key, x =>
ConvertFromJs(objInst.Get(x.Key))));
}
return(jsValue);
}
if (jsValue.IsBoolean())
{
return(jsValue.AsBoolean());
}
if (jsValue.IsString())
{
return(jsValue.AsString());
}
if (jsValue.IsNumber())
{
return(jsValue.AsNumber());
}
return(null);
}
private string GetDebugValue(JsValue obj, bool recursive)
{
if (obj.IsString())
{
var debugValue = obj.ToString();
return(recursive ? '"' + debugValue + '"' : debugValue);
}
if (obj.IsArray())
{
var sb = new StringBuilder("[");
var array = obj.AsArray();
var jsValue = (int)array.Get("length").AsNumber();
for (var i = 0; i < jsValue; i++)
{
if (i != 0)
{
sb.Append(",");
}
sb.Append(GetDebugValue(array.Get(i.ToString()), true));
}
sb.Append("]");
return(sb.ToString());
}
if (obj.IsObject())
{
var result = new ScriptRunnerResult(this, obj);
using (var jsonObj = result.TranslateToObject(_jsonCtx))
{
return(jsonObj.ToString());
}
}
if (obj.IsBoolean())
{
return(obj.AsBoolean().ToString());
}
if (obj.IsNumber())
{
return(obj.AsNumber().ToString(CultureInfo.InvariantCulture));
}
if (obj.IsNull())
{
return("null");
}
if (obj.IsUndefined())
{
return("undefined");
}
return(obj.ToString());
}
public static Vector4?FromJsValue(JsValue obj)
{
if (obj == null || obj.IsNull() || obj.IsUndefined())
{
return(null);
}
if (obj.IsNumber())
{
var num = (float)obj.AsNumber();
return(new Vector4(num, num, num, num));
}
if (obj.IsArray())
{
var len = obj.AsArray().Length;
var v0 = obj.AsArray()[0];
var v1 = obj.AsArray()[1];
var v2 = obj.AsArray()[2];
var v3 = obj.AsArray()[3];
var x = v0.IsNumber() ? (float)v0.AsNumber() : 0;
var y = v1.IsNumber() ? (float)v1.AsNumber() : 0;
var z = v2.IsNumber() ? (float)v2.AsNumber() : 0;
var w = v3.IsNumber() ? (float)v3.AsNumber() : 0;
return(new Vector4(x, y, z, w));
}
if (obj.IsObject())
{
var ob = obj.AsObject();
var v0 = ob.Get("x");
var v1 = ob.Get("y");
var v2 = ob.Get("z");
var v3 = ob.Get("w");
var x = v0.IsNumber() ? (float)v0.AsNumber() : 0;
var y = v1.IsNumber() ? (float)v1.AsNumber() : 0;
var z = v2.IsNumber() ? (float)v2.AsNumber() : 0;
var w = v3.IsNumber() ? (float)v3.AsNumber() : 0;
return(new Vector4(x, y, z, w));
}
return(null);
}
public void ShouldBeANumber()
{
var value = new JsValue(2);
Assert.Equal(false, value.IsBoolean());
Assert.Equal(false, value.IsArray());
Assert.Equal(false, value.IsDate());
Assert.Equal(false, value.IsNull());
Assert.Equal(true, value.IsNumber());
Assert.Equal(2, value.AsNumber());
Assert.Equal(false, value.IsObject());
Assert.Equal(true, value.IsPrimitive());
Assert.Equal(false, value.IsRegExp());
Assert.Equal(false, value.IsString());
Assert.Equal(false, value.IsUndefined());
}
public Class1()
{
int x1 = 1;
int x2 = 3;
Engine jsEngine = new Engine();
jsEngine.SetValue("val1", x1);
jsEngine.SetValue("val2", x2);
jsEngine.Execute("function test() { return val1+val2; }");
var qaz = jsEngine.Execute("(function test() { return val1*val2; })()").GetCompletionValue().AsNumber();
var qaz2 = jsEngine.Execute("(function test() { return {Val1:2,Val2:\"df\"}; })()").GetCompletionValue()
.TryCast <Data>();
JsValue fnVal = jsEngine.GetValue("test");
JsValue result = fnVal.Invoke();
Double obj = result.AsNumber();
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-9.2
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public static bool ToBoolean(JsValue o)
{
if (o.IsObject())
{
return true;
}
if (o == Undefined.Instance || o == Null.Instance)
{
return false;
}
if (o.IsBoolean())
{
return o.AsBoolean();
}
if (o.IsNumber())
{
var n = o.AsNumber();
if (n.Equals(0) || double.IsNaN(n))
{
return false;
}
else
{
return true;
}
}
if (o.IsString())
{
var s = o.AsString();
if (String.IsNullOrEmpty(s))
{
return false;
}
else
{
return true;
}
}
return true;
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-9.2
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public static bool ToBoolean(JsValue o)
{
if (o.IsObject())
{
return(true);
}
if (o == Undefined.Instance || o == Null.Instance)
{
return(false);
}
if (o.IsBoolean())
{
return(o.AsBoolean());
}
if (o.IsNumber())
{
var n = o.AsNumber();
if (n.Equals(0) || double.IsNaN(n))
{
return(false);
}
else
{
return(true);
}
}
if (o.IsString())
{
var s = o.AsString();
if (String.IsNullOrEmpty(s))
{
return(false);
}
else
{
return(true);
}
}
return(true);
}
public IReadOnlyList <PortSpeedInfo> GetPortSpeeds()
{
string html = _client.DownloadString("QosBandWidthControlRpm.htm");
if (html.Contains("id=\"logon\""))
{
// not logged in!
throw new Exception("login failed");
}
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(html);
List <HtmlNode> scriptNodes = doc.DocumentNode.Descendants("script").ToList();
if (!scriptNodes.Any())
{
throw new Exception("no script nodes found");
}
HtmlNode script = scriptNodes.First();
string scriptText = script.InnerText;
Engine scriptingEngine = new Engine();
Engine result = scriptingEngine.Execute(scriptText);
JsValue r1 = result.GetValue("portNumber");
JsValue r2 = result.GetValue("bcInfo");
int max_port_num = (int)r1.AsNumber();
long[] speedRateArray = AsLongArray(r2);
List <PortSpeedInfo> ports = new List <PortSpeedInfo>();
for (int i = 0; i < max_port_num; i++)
{
var psi = new PortSpeedInfo()
{
PortNumber = (byte)(i + 1),
IngressRateKbps = speedRateArray[i * 3 + 0],
EgressRateKbps = speedRateArray[i * 3 + 1],
};
ports.Add(psi);
}
return(ports);
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-9.8
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public static string ToString(JsValue o)
{
if (o == null)
{
return(null);
}
if (o.IsObject())
{
var p = o.AsObject() as IPrimitiveInstance;
if (p != null)
{
o = p.PrimitiveValue;
}
}
if (o.IsString())
{
return(o.AsString());
}
if (o == Undefined.Instance)
{
return(Undefined.Text);
}
if (o == Null.Instance)
{
return(Null.Text);
}
if (o.IsBoolean())
{
return(o.AsBoolean() ? "true" : "false");
}
if (o.IsNumber())
{
return(NumberPrototype.ToNumberString(o.AsNumber()));
}
return(ToString(ToPrimitive(o, Types.String)));
}
public virtual string PutDocument(string key, JsValue document, JsValue metadata, JsValue etagJs, Engine engine)
{
if (document.IsObject() == false)
{
throw new InvalidOperationException(
$"Created document must be a valid object which is not null or empty. Document key: '{key}'.");
}
long?etag = null;
if (etagJs.IsNumber())
{
etag = (long)etagJs.AsNumber();
}
else if (etagJs.IsNull() == false && etagJs.IsUndefined() == false && etagJs.ToString() != "None")
{
throw new InvalidOperationException($"Invalid ETag value for document '{key}'");
}
var data = ToBlittable(document.AsObject());
if (metadata.IsObject())
{
data["@metadata"] = ToBlittable(metadata.AsObject());
}
if (DebugMode)
{
DebugActions.PutDocument.Add(new DynamicJsonValue
{
["Key"] = key,
["Etag"] = etag,
["Data"] = data,
});
}
var dataReader = _context.ReadObject(data, key, BlittableJsonDocumentBuilder.UsageMode.ToDisk);
var put = _database.DocumentsStorage.Put(_context, key, etag, dataReader);
return(put.Key);
}
private static string GetValueString(JsValue jsValue, bool useLiterals)
{
string result;
switch (jsValue.Type)
{
case Types.String:
result = jsValue.AsString();
break;
case Types.Undefined:
result = useLiterals ? "undefined" : null;
break;
case Types.Null:
result = useLiterals ? "null" : null;
break;
case Types.Boolean:
result = jsValue.AsBoolean().ToString();
break;
case Types.Number:
result = jsValue.AsNumber().ToString();
break;
case Types.Object:
result = jsValue.ToObject().ToString();
break;
case Types.None:
result = string.Empty;
break;
default:
result = jsValue.AsString();
break;
}
return(result);
}
public object UncastJsValue(JsValue value)
{
if (value.IsBoolean())
{
return(value.AsBoolean());
}
if (value.IsNumber())
{
return(value.AsNumber());
}
if (value.IsObject())
{
return(value.AsObject());
}
if (value.IsString())
{
return(value.AsString());
}
return(null);
}
public void SetValue(JsValue arg)
{
switch (arg.Type)
{
case Types.Boolean:
Cell.SetCellValue(arg.AsBoolean());
break;
case Types.String:
Cell.SetCellValue(arg.AsString());
break;
case Types.Number:
Cell.SetCellValue(arg.AsNumber());
break;
case Types.Object:
if (arg.IsDate())
{
Cell.SetCellValue(arg.AsDate().ToDateTime());
}
else
{
double?value = arg.ConvertToDouble();
if (value.HasValue)
{
Cell.SetCellValue(value.Value);
}
else
{
Cell.SetCellValue((string)null);
}
}
break;
default:
Cell.SetCellValue((string)null);
break;
}
}
public static Vector2?FromJsValue(JsValue obj)
{
if (obj == null || obj.IsNull() || obj.IsUndefined())
{
return(null);
}
if (obj.IsNumber())
{
var num = (float)obj.AsNumber();
return(new Vector2(num, num));
}
if (obj.IsArray())
{
var v0 = obj.AsArray()[0];
var v1 = obj.AsArray()[1];
var x = v0.IsNumber() ? (float)v0.AsNumber() : 0;
var y = v1.IsNumber() ? (float)v1.AsNumber() : 0;
return(new Vector2(x, y));
}
if (obj.IsObject())
{
var ob = obj.AsObject();
var v0 = ob.Get("x");
var v1 = ob.Get("y");
var x = v0.IsNumber() ? (float)v0.AsNumber() : 0;
var y = v1.IsNumber() ? (float)v1.AsNumber() : 0;
return(new Vector2(x, y));
}
return(null);
}
public static JToken Map(JsValue value)
{
if (value == null || value.IsNull())
{
return(JValue.CreateNull());
}
if (value.IsUndefined())
{
return(JValue.CreateUndefined());
}
if (value.IsString())
{
return(new JValue(value.AsString()));
}
if (value.IsBoolean())
{
return(new JValue(value.AsBoolean()));
}
if (value.IsNumber())
{
return(new JValue(value.AsNumber()));
}
if (value.IsDate())
{
return(new JValue(value.AsDate().ToDateTime()));
}
if (value.IsRegExp())
{
return(JValue.CreateString(value.AsRegExp().Value?.ToString()));
}
if (value.IsArray())
{
var arr = value.AsArray();
var target = new JArray();
for (var i = 0; i < arr.GetLength(); i++)
{
target.Add(Map(arr.Get(i.ToString())));
}
return(target);
}
if (value.IsObject())
{
var obj = value.AsObject();
var target = new JObject();
foreach (var kvp in obj.GetOwnProperties())
{
target[kvp.Key] = Map(kvp.Value.Value);
}
return(target);
}
throw new ArgumentException("Invalid json type.", nameof(value));
}
private object ToBlittableValue(JsValue v, string propertyKey, bool recursiveCall)
{
if (v.IsBoolean())
{
return(v.AsBoolean());
}
if (v.IsString())
{
const string RavenDataByteArrayToBase64 = "raven-data:byte[];base64,";
var valueAsObject = v.ToObject();
var value = valueAsObject?.ToString();
if (value != null && value.StartsWith(RavenDataByteArrayToBase64))
{
value = value.Remove(0, RavenDataByteArrayToBase64.Length);
var byteArray = Convert.FromBase64String(value);
return(Encoding.UTF8.GetString(byteArray));
}
return(value);
}
if (v.IsNumber())
{
var num = v.AsNumber();
KeyValuePair <object, JsValue> property;
if (_propertiesByValue.TryGetValue(propertyKey, out property))
{
var originalValue = property.Key;
if (originalValue is float || originalValue is int)
{
// If the current value is exactly as the original value, we can return the original value before we made the JS conversion,
// which will convert a Int64 to jsFloat.
var jsValue = property.Value;
if (jsValue.IsNumber() && Math.Abs(num - jsValue.AsNumber()) < double.Epsilon)
{
return(originalValue);
}
//We might have change the type of num from Integer to long in the script by design
//Making sure the number isn't a real float before returning it as integer
if (originalValue is int && (Math.Abs(num - Math.Floor(num)) <= double.Epsilon || Math.Abs(num - Math.Ceiling(num)) <= double.Epsilon))
{
return((long)num);
}
return(num); //float
}
}
// If we don't have the type, assume that if the number ending with ".0" it actually an integer.
var integer = Math.Truncate(num);
if (Math.Abs(num - integer) < double.Epsilon)
{
return((long)integer);
}
return(num);
}
if (v.IsNull() || v.IsUndefined())
{
return(null);
}
if (v.IsArray())
{
var jsArray = v.AsArray();
var array = new DynamicJsonArray();
foreach (var property in jsArray.GetOwnProperties())
{
if (InheritedProperties.Contains(property.Key))
{
continue;
}
var jsInstance = property.Value.Value;
if (!jsInstance.HasValue)
{
continue;
}
var ravenJToken = ToBlittableValue(jsInstance.Value, propertyKey + "[" + property.Key + "]", recursiveCall);
if (ravenJToken == null)
{
continue;
}
array.Add(ravenJToken);
}
return(array);
}
if (v.IsDate())
{
return(v.AsDate().ToDateTime());
}
if (v.IsObject())
{
return(ToBlittable(v.AsObject(), propertyKey, recursiveCall));
}
if (v.IsRegExp())
{
return(null);
}
throw new NotSupportedException(v.Type.ToString());
}
public static ObjectInstance ToObject(Engine engine, JsValue value)
{
if (value.IsObject())
{
return value.AsObject();
}
if (value == Undefined.Instance)
{
throw new JavaScriptException(engine.TypeError);
}
if (value == Null.Instance)
{
throw new JavaScriptException(engine.TypeError);
}
if (value.IsBoolean())
{
return engine.Boolean.Construct(value.AsBoolean());
}
if (value.IsNumber())
{
return engine.Number.Construct(value.AsNumber());
}
if (value.IsString())
{
return engine.String.Construct(value.AsString());
}
throw new JavaScriptException(engine.TypeError);
}
/// Implementation from ObjectInstance official specs as the one
/// in ObjectInstance is optimized for the general case and wouldn't work
/// for arrays
public override void Put(string propertyName, JsValue value, bool throwOnError)
{
if (!CanPut(propertyName))
{
if (throwOnError)
{
throw new JavaScriptException(Engine.TypeError);
}
return;
}
if (InternalArray != null)
{
int ind;
if (int.TryParse(propertyName, out ind))
{
object val;
switch (value.Type)
{
case Types.Undefined:
val = null;
break;
case Types.Null:
val = null;
break;
case Types.Boolean:
val = value.AsBoolean();
break;
case Types.String:
val = value.AsString();
break;
case Types.Number:
val = value.AsNumber();
break;
case Types.Object:
val = value;
var ow = ((JsValue)val).AsObject() as ObjectWrapper;
if (ow != null)
{
val = ow.Target;
}
break;
default:
throw new ArgumentOutOfRangeException();
}
if (ind >= InternalArray.Count)
{
for (int i = InternalArray.Count; i <= ind; i++)
{
if (val != null)
InternalArray.Add(GetDefault(val.GetType()));
else
InternalArray.Add(null);
}
}
InternalArray[ind] = val;
}
}
var ownDesc = GetOwnProperty(propertyName);
if (ownDesc.IsDataDescriptor())
{
var valueDesc = new PropertyDescriptor(value: value, writable: null, enumerable: null, configurable: null);
DefineOwnProperty(propertyName, valueDesc, throwOnError);
return;
}
// property is an accessor or inherited
var desc = GetProperty(propertyName);
if (desc.IsAccessorDescriptor())
{
var setter = desc.Set.Value.TryCast<ICallable>();
setter.Call(new JsValue(this), new[] { value });
}
else
{
var newDesc = new PropertyDescriptor(value, true, true, true);
DefineOwnProperty(propertyName, newDesc, throwOnError);
}
}
private static object GetValue(JsValue jsValue)
{
if (jsValue.IsNull())
{
return(null);
}
if (jsValue.IsString())
{
return(jsValue.AsString());
}
if (jsValue.IsBoolean())
{
return(jsValue.AsBoolean());
}
if (jsValue.IsNumber())
{
return(jsValue.AsNumber());
}
if (jsValue.IsDate())
{
return(jsValue.AsDate());
}
if (jsValue is ObjectWrapper ow)
{
var target = ow.Target;
switch (target)
{
case LazyStringValue lsv:
return(lsv);
case LazyCompressedStringValue lcsv:
return(lcsv);
case LazyNumberValue lnv:
return(lnv); //should be already blittable supported type.
}
ThrowInvalidObject(jsValue);
}
else if (jsValue.IsArray())
{
var arr = jsValue.AsArray();
var array = new object[arr.GetLength()];
var i = 0;
foreach ((var key, var val) in arr.GetOwnProperties())
{
if (key == "length")
{
continue;
}
array[i++] = GetValue(val.Value);
}
return(array);
}
else if (jsValue.IsObject())
{
return(jsValue.AsObject());
}
if (jsValue.IsUndefined())
{
return(null);
}
ThrowInvalidObject(jsValue);
return(null);
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-9.8
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public static string ToString(JsValue o)
{
if (o.IsObject())
{
var p = o.AsObject() as IPrimitiveInstance;
if (p != null)
{
o = p.PrimitiveValue;
}
}
if (o.IsString())
{
return o.AsString();
}
if (o == Undefined.Instance)
{
return Undefined.Text;
}
if (o == Null.Instance)
{
return Null.Text;
}
if (o.IsBoolean())
{
return o.AsBoolean() ? "true" : "false";
}
if (o.IsNumber())
{
return NumberPrototype.ToNumberString(o.AsNumber());
}
return ToString(ToPrimitive(o, Types.String));
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-9.3
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public static double ToNumber(JsValue o)
{
// check number first as this is what is usually expected
if (o.IsNumber())
{
return o.AsNumber();
}
if (o.IsObject())
{
var p = o.AsObject() as IPrimitiveInstance;
if (p != null)
{
o = p.PrimitiveValue;
}
}
if (o == Undefined.Instance)
{
return double.NaN;
}
if (o == Null.Instance)
{
return 0;
}
if (o.IsBoolean())
{
return o.AsBoolean() ? 1 : 0;
}
if (o.IsString())
{
var s = o.AsString().Trim();
if (String.IsNullOrEmpty(s))
{
return 0;
}
if ("+Infinity".Equals(s) || "Infinity".Equals(s))
{
return double.PositiveInfinity;
}
if ("-Infinity".Equals(s))
{
return double.NegativeInfinity;
}
// todo: use a common implementation with JavascriptParser
try
{
if (!s.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
{
var start = s[0];
if (start != '+' && start != '-' && start != '.' && !char.IsDigit(start))
{
return double.NaN;
}
double n = Double.Parse(s,
NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign |
NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite |
NumberStyles.AllowExponent, CultureInfo.InvariantCulture);
if (s.StartsWith("-") && n.Equals(0))
{
return -0.0;
}
return n;
}
int i = int.Parse(s.Substring(2), NumberStyles.HexNumber, CultureInfo.InvariantCulture);
return i;
}
catch (OverflowException)
{
return s.StartsWith("-") ? double.NegativeInfinity : double.PositiveInfinity;
}
catch
{
return double.NaN;
}
}
return ToNumber(ToPrimitive(o, Types.Number));
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-9.3
/// </summary>
/// <param name="o"></param>
/// <returns></returns>
public static double ToNumber(JsValue o)
{
// check number first as this is what is usually expected
if (o.IsNumber())
{
return(o.AsNumber());
}
if (o.IsObject())
{
var p = o.AsObject() as IPrimitiveInstance;
if (p != null)
{
o = p.PrimitiveValue;
}
}
if (o == Undefined.Instance)
{
return(double.NaN);
}
if (o == Null.Instance)
{
return(0);
}
if (o.IsBoolean())
{
return(o.AsBoolean() ? 1 : 0);
}
if (o.IsString())
{
var s = StringPrototype.TrimEx(o.AsString());
if (String.IsNullOrEmpty(s))
{
return(0);
}
if ("+Infinity".Equals(s) || "Infinity".Equals(s))
{
return(double.PositiveInfinity);
}
if ("-Infinity".Equals(s))
{
return(double.NegativeInfinity);
}
// todo: use a common implementation with JavascriptParser
try
{
if (!s.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
{
var start = s[0];
if (start != '+' && start != '-' && start != '.' && !char.IsDigit(start))
{
return(double.NaN);
}
double n = Double.Parse(s,
NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign |
NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite |
NumberStyles.AllowExponent, CultureInfo.InvariantCulture);
if (s.StartsWith("-") && n.Equals(0))
{
return(-0.0);
}
return(n);
}
int i = int.Parse(s.Substring(2), NumberStyles.HexNumber, CultureInfo.InvariantCulture);
return(i);
}
catch (OverflowException)
{
return(s.StartsWith("-") ? double.NegativeInfinity : double.PositiveInfinity);
}
catch
{
return(double.NaN);
}
}
return(ToNumber(ToPrimitive(o, Types.Number)));
}
public static bool StrictlyEqual(JsValue x, JsValue y)
{
var typea = x.Type;
var typeb = y.Type;
if (typea != typeb)
{
return(false);
}
if (typea == Types.Undefined || typea == Types.Null)
{
return(true);
}
if (typea == Types.None)
{
return(true);
}
if (typea == Types.Number)
{
var nx = x.AsNumber();
var ny = y.AsNumber();
if (double.IsNaN(nx) || double.IsNaN(ny))
{
return(false);
}
if (nx.Equals(ny))
{
return(true);
}
return(false);
}
if (typea == Types.String)
{
return(x.AsString() == y.AsString());
}
if (typea == Types.Boolean)
{
return(x.AsBoolean() == y.AsBoolean());
}
if (typea == Types.Object)
{
var xw = x.AsObject() as IObjectWrapper;
if (xw != null)
{
var yw = y.AsObject() as IObjectWrapper;
return(Object.Equals(xw.Target, yw.Target));
}
}
return(x == y);
}
public JsValue Serialize(JsValue value, JsValue replacer, JsValue space)
{
_stack = new Stack<object>();
// for JSON.stringify(), any function passed as the first argument will return undefined
// if the replacer is not defined. The function is not called either.
if (value.Is<ICallable>() && replacer == Undefined.Instance)
{
return Undefined.Instance;
}
if (replacer.IsObject())
{
if (replacer.Is<ICallable>())
{
_replacerFunction = replacer;
}
else
{
var replacerObj = replacer.AsObject();
if (replacerObj.Class == "Array")
{
_propertyList = new List<string>();
}
foreach (var property in replacerObj.GetOwnProperties().Select(x => x.Value))
{
JsValue v = _engine.GetValue(property);
string item = null;
if (v.IsString())
{
item = v.AsString();
}
else if (v.IsNumber())
{
item = TypeConverter.ToString(v);
}
else if (v.IsObject())
{
var propertyObj = v.AsObject();
if (propertyObj.Class == "String" || propertyObj.Class == "Number")
{
item = TypeConverter.ToString(v);
}
}
if (item != null && !_propertyList.Contains(item))
{
_propertyList.Add(item);
}
}
}
}
if (space.IsObject())
{
var spaceObj = space.AsObject();
if (spaceObj.Class == "Number")
{
space = TypeConverter.ToNumber(spaceObj);
}
else if (spaceObj.Class == "String")
{
space = TypeConverter.ToString(spaceObj);
}
}
// defining the gap
if (space.IsNumber())
{
if (space.AsNumber() > 0) {
_gap = new System.String(' ', (int)System.Math.Min(10, space.AsNumber()));
}
else
{
_gap = string.Empty;
}
}
else if (space.IsString())
{
var stringSpace = space.AsString();
_gap = stringSpace.Length <= 10 ? stringSpace : stringSpace.Substring(0, 10);
}
else
{
_gap = string.Empty;
}
var wrapper = _engine.Object.Construct(Arguments.Empty);
wrapper.DefineOwnProperty("", new PropertyDescriptor(value, true, true, true), false);
return Str("", wrapper);
}
