/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-13.2.1
/// </summary>
/// <param name="thisArg"></param>
/// <param name="arguments"></param>
/// <returns></returns>
public override JsValue Call(JsValue thisArg, JsValue[] arguments)
{
using (new StrictModeScope(Strict, true))
{
// setup new execution context http://www.ecma-international.org/ecma-262/5.1/#sec-10.4.3
JsValue thisBinding;
if (StrictModeScope.IsStrictModeCode)
{
thisBinding = thisArg;
}
else if (thisArg == Undefined.Instance || thisArg == Null.Instance)
{
thisBinding = Engine.Global;
}
else if (!thisArg.IsObject())
{
thisBinding = TypeConverter.ToObject(Engine, thisArg);
}
else
{
thisBinding = thisArg;
}
var localEnv = LexicalEnvironment.NewDeclarativeEnvironment(Engine, Scope);
Engine.EnterExecutionContext(localEnv, localEnv, thisBinding);
try
{
Engine.DeclarationBindingInstantiation(
DeclarationBindingType.FunctionCode,
_functionDeclaration.FunctionDeclarations,
_functionDeclaration.VariableDeclarations,
this,
arguments);
var result = Engine.ExecuteStatement(_functionDeclaration.Body);
if (result.Type == Completion.Throw)
{
JavaScriptException ex = new JavaScriptException(result.GetValueOrDefault());
ex.Location = result.Location;
throw ex;
}
if (result.Type == Completion.Return)
{
return result.GetValueOrDefault();
}
}
finally
{
Engine.LeaveExecutionContext();
}
return Undefined.Instance;
}
}
private static string GetErrorMessage(JsValue error)
{
if (error.IsObject())
{
var oi = error.AsObject();
var message = oi.Get("message").AsString();
return message;
}
else
return string.Empty;
}
/// <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-9.8
/// </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)));
}
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 ObjectInstance ToObject(Engine engine, JsValue value)
{
if (value.IsObject())
{
return(value.AsObject());
}
if (value == Undefined.Instance)
{
//throw new JavaScriptException(engine.TypeError);
return(null);
}
if (value == Null.Instance)
{
//throw new JavaScriptException(engine.TypeError);
return(null);
}
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, value + " is not a object");
}
private static void RunEvalLoop()
{
try
{
if (File.Exists(HistoryFilePath))
{
foreach (string line in File.ReadLines(HistoryFilePath).TakeLast(60))
{
if (line != _removedString)
{
ReadLine.AddHistory(line);
}
}
}
}
catch (Exception e)
{
CliConsole.WriteErrorLine($"Could not load cmd history from {HistoryFilePath} {e.Message}");
}
ReadLine.AutoCompletionHandler = new AutoCompletionHandler();
while (true)
{
try
{
if (_terminal != Terminal.Cmder)
{
Console.ForegroundColor = ColorScheme.Text;
}
int bufferSize = 1024 * 16;
string statement;
using (Stream inStream = System.Console.OpenStandardInput(bufferSize))
{
Console.SetIn(new StreamReader(inStream, Console.InputEncoding, false, bufferSize));
CliConsole.WriteLessImportant("nethermind> ");
statement = _terminal == Terminal.Cygwin ? Console.ReadLine() : ReadLine.Read();
CleanStatement(statement);
if (!File.Exists(HistoryFilePath))
{
File.Create(HistoryFilePath).Dispose();
}
if (!SecuredCommands.Any(sc => statement.Contains(sc)))
{
ReadLine.AddHistory(statement);
using (var fileStream = File.AppendText(HistoryFilePath))
{
fileStream.WriteLine(statement);
}
}
else
{
ReadLine.AddHistory(_removedString);
}
}
if (statement == "exit")
{
break;
}
JsValue result = _engine.Execute(statement);
if (result.IsObject() && result.AsObject().Class == "Function")
{
CliConsole.WriteGood(result.ToString());
CliConsole.WriteLine();
}
else if (!result.IsNull())
{
string text = Serializer.Serialize(result.ToObject(), true);
// File.AppendAllText("C:\\temp\\cli.txt", text);
CliConsole.WriteGood(text);
}
else
{
CliConsole.WriteLessImportant("null");
CliConsole.WriteLine();
}
// bool isNull = result.IsNull();
// if (!isNull)
// {
// CliConsole.WriteString(result);
// }
}
catch (Exception e)
{
CliConsole.WriteException(e);
}
}
}
private static JsValue ScalarToRawString(JsValue self2, JsValue[] args)
{
if (args.Length != 2)
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) may be called on with two parameters only");
}
JsValue firstParam = args[0];
if (firstParam.IsObject() == false || args[0].AsObject() is BlittableObjectInstance == false)
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) may be called with a document first parameter only");
}
JsValue secondParam = args[1];
if (args[1].IsObject() == false || secondParam.AsObject() is FunctionInstance == false)
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) must be called with a second lambda argument");
}
BlittableObjectInstance selfInstance = firstParam.AsObject() as BlittableObjectInstance;
FunctionInstance lambda = secondParam.AsObject() as FunctionInstance;
//TODO: expose this in Jint directly instead of reflection
var funcDeclField = typeof(ScriptFunctionInstance).GetField("_functionDeclaration", BindingFlags.Instance | BindingFlags.NonPublic);
var func = (IFunction)funcDeclField.GetValue(lambda);
var ret = func.Body.Body.As <ReturnStatement[]>();
if (ret.Length != 1)
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) lambda to field must contain a single return expression");
}
StaticMemberExpression staticMemberExpression = ret[0].Argument.As <StaticMemberExpression>();
var prop = staticMemberExpression.Property;
if (staticMemberExpression.Object is Identifier == false)
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) lambda to field must contain a single return expression of a single field");
}
var propName = prop.As <Identifier>().Name;
if (selfInstance.OwnValues.TryGetValue(propName, out var existingValue))
{
if (existingValue.Changed)
{
return(existingValue.Value);
}
}
var propertyIndex = selfInstance.Blittable.GetPropertyIndex(propName);
if (propertyIndex == -1)
{
return(new JsValue(new ObjectInstance(selfInstance.Engine)
{
Extensible = true
}));
}
BlittableJsonReaderObject.PropertyDetails propDetails = new BlittableJsonReaderObject.PropertyDetails();
selfInstance.Blittable.GetPropertyByIndex(propertyIndex, ref propDetails);
var value = propDetails.Value;
switch (propDetails.Token & BlittableJsonReaderBase.TypesMask)
{
case BlittableJsonToken.Null:
return(JsValue.Null);
case BlittableJsonToken.Boolean:
return(new JsValue((bool)propDetails.Value));
case BlittableJsonToken.Integer:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
case BlittableJsonToken.LazyNumber:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
case BlittableJsonToken.String:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
case BlittableJsonToken.CompressedString:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
default:
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) lambda to field must return either raw numeric or raw string types");
}
}
public JsValue EvaluateBinaryExpression(BinaryExpression expression)
{
JsValue left = _engine.GetValue(EvaluateExpression(expression.Left));
JsValue right = _engine.GetValue(EvaluateExpression(expression.Right));
JsValue value;
switch (expression.Operator)
{
case "+":
var lprim = TypeConverter.ToPrimitive(left);
var rprim = TypeConverter.ToPrimitive(right);
if (lprim.IsString() || rprim.IsString())
{
value = TypeConverter.ToString(lprim) + TypeConverter.ToString(rprim);
}
else
{
value = TypeConverter.ToNumber(lprim) + TypeConverter.ToNumber(rprim);
}
break;
case "-":
value = TypeConverter.ToNumber(left) - TypeConverter.ToNumber(right);
break;
case "*":
if (left == Undefined.Instance || right == Undefined.Instance)
{
value = Undefined.Instance;
}
else
{
value = TypeConverter.ToNumber(left) * TypeConverter.ToNumber(right);
}
break;
case "/":
value = Divide(left, right);
break;
case "%":
if (left == Undefined.Instance || right == Undefined.Instance)
{
value = Undefined.Instance;
}
else
{
value = TypeConverter.ToNumber(left) % TypeConverter.ToNumber(right);
}
break;
case "==":
value = Equal(left, right);
break;
case "!=":
value = !Equal(left, right);
break;
case ">":
value = Compare(right, left, false);
if (value == Undefined.Instance)
{
value = false;
}
break;
case ">=":
value = Compare(left, right);
if (value == Undefined.Instance || value.AsBoolean())
{
value = false;
}
else
{
value = true;
}
break;
case "<":
value = Compare(left, right);
if (value == Undefined.Instance)
{
value = false;
}
break;
case "<=":
value = Compare(right, left, false);
if (value == Undefined.Instance || value.AsBoolean())
{
value = false;
}
else
{
value = true;
}
break;
case "===":
return(StrictlyEqual(left, right));
case "!==":
return(!StrictlyEqual(left, right));
case "&":
return(TypeConverter.ToInt32(left) & TypeConverter.ToInt32(right));
case "|":
return(TypeConverter.ToInt32(left) | TypeConverter.ToInt32(right));
case "^":
return(TypeConverter.ToInt32(left) ^ TypeConverter.ToInt32(right));
case "<<":
return(TypeConverter.ToInt32(left) << (int)(TypeConverter.ToUint32(right) & 0x1F));
case ">>":
return(TypeConverter.ToInt32(left) >> (int)(TypeConverter.ToUint32(right) & 0x1F));
case ">>>":
return((uint)TypeConverter.ToInt32(left) >> (int)(TypeConverter.ToUint32(right) & 0x1F));
case "instanceof":
var f = right.TryCast <FunctionInstance>();
if (f == null)
{
throw new JavaScriptException(_engine.TypeError, "instanceof can only be used with a function object");
}
value = f.HasInstance(left);
break;
case "in":
if (!right.IsObject())
{
throw new JavaScriptException(_engine.TypeError, "in can only be used with an object");
}
value = right.AsObject().HasProperty(TypeConverter.ToString(left));
break;
default:
throw new NotImplementedException();
}
return(value);
}
private JsValue Sort(JsValue thisObj, JsValue[] arguments)
{
if (!thisObj.IsObject())
{
ExceptionHelper.ThrowTypeError(_engine, "Array.prorotype.sort can only be applied on objects");
}
var obj = ArrayOperations.For(thisObj.AsObject());
var compareArg = arguments.At(0);
ICallable compareFn = null;
if (!compareArg.IsUndefined())
{
if (compareArg.IsNull() || !(compareArg is ICallable))
{
ExceptionHelper.ThrowTypeError(_engine, "The comparison function must be either a function or undefined");
}
compareFn = (ICallable)compareArg;
}
var len = obj.GetLength();
if (len <= 1)
{
return(obj.Target);
}
int Comparer(JsValue x, JsValue y)
{
if (ReferenceEquals(x, null))
{
return(1);
}
if (ReferenceEquals(y, null))
{
return(-1);
}
var xUndefined = x.IsUndefined();
var yUndefined = y.IsUndefined();
if (xUndefined && yUndefined)
{
return(0);
}
if (xUndefined)
{
return(1);
}
if (yUndefined)
{
return(-1);
}
if (compareFn != null)
{
var s = TypeConverter.ToNumber(compareFn.Call(Undefined, new[] { x, y }));
if (s < 0)
{
return(-1);
}
if (s > 0)
{
return(1);
}
return(0);
}
var xString = TypeConverter.ToString(x);
var yString = TypeConverter.ToString(y);
var r = CompareOrdinal(xString, yString);
return(r);
}
var array = new JsValue[len];
for (uint i = 0; i < (uint)array.Length; ++i)
{
var value = obj.TryGetValue(i, out var temp)
? temp
: null;
array[i] = value;
}
// don't eat inner exceptions
try
{
System.Array.Sort(array, Comparer);
}
catch (InvalidOperationException e)
{
throw e.InnerException;
}
for (uint i = 0; i < (uint)array.Length; ++i)
{
if (!ReferenceEquals(array[i], null))
{
obj.Set(i, array[i], updateLength: false, throwOnError: false);
}
else
{
obj.DeletePropertyOrThrow(i);
}
}
return(obj.Target);
}
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);
}
private LocalVariable GetLocalVariableJS(string key, JsValue value)
{
var result = new LocalVariable()
{
Name = key, TypeName = value.Type.ToString()
};
if (value.IsArray())
{
var trueValue = value.AsArray();
if (trueValue.GetLength() > 0)
{
var props = trueValue.GetOwnProperties();
foreach (var item in props)
{
var ch = GetLocalVariableJS(item.Key, item.Value.Value);
result.Children.Add(ch);
}
}
//result.Value=trueValue.
}
else if (value.IsBoolean())
{
var trueValue = value.AsBoolean();
result.Value = trueValue.ToString();
}
else if (value.IsDate())
{
var trueValue = value.AsDate();
result.Value = trueValue.ToDateTime().ToString("yyyy-MM-dd HH:mm:ss");
}
else if (value.IsNumber())
{
var trueValue = value.AsNumber();
result.Value = trueValue.ToString();
}
else if (value.IsString())
{
var trueValue = value.AsString();
result.Value = trueValue;
}
else if (value.IsObject())
{
var trueValue = value.AsObject();
//判断对象是否原生JS
if (trueValue.GetType().Name == "ObjectInstance")
{
var props = trueValue.GetOwnProperties();
foreach (var item in props)
{
var ch = GetLocalVariableJS(item.Key, item.Value.Value);
result.Children.Add(ch);
}
}
else
{
var csharpValue = value.ToObject();
if (csharpValue != null)
{
//只处理DapperRow
result = GetLocalVariableCSharp(key, csharpValue);
//csharpValue.
}
}
}
return(result);
}
private RavenJToken ToRavenJToken(JsValue v, string propertyKey, bool recursiveCall)
{
if (v.IsBoolean())
{
return(new RavenJValue(v.AsBoolean()));
}
if (v.IsString())
{
const string RavenDataByteArrayToBase64 = "raven-data:byte[];base64,";
var valueAsObject = v.ToObject();
var value = valueAsObject != null?valueAsObject.ToString() : null;
if (value != null && value.StartsWith(RavenDataByteArrayToBase64))
{
value = value.Remove(0, RavenDataByteArrayToBase64.Length);
var byteArray = Convert.FromBase64String(value);
return(new RavenJValue(byteArray));
}
return(new RavenJValue(value));
}
if (v.IsNumber())
{
var num = v.AsNumber();
KeyValuePair <RavenJValue, JsValue> property;
if (propertiesByValue.TryGetValue(propertyKey, out property))
{
var originalValue = property.Key;
if (originalValue.Type == JTokenType.Float ||
originalValue.Type == JTokenType.Integer)
{
// 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 originalJsValue = property.Value;
if (originalJsValue.IsNumber() && Math.Abs(num - originalJsValue.AsNumber()) < double.Epsilon)
{
return(originalValue);
}
if (originalValue.Type == JTokenType.Integer)
{
return(new RavenJValue((long)num));
}
return(new RavenJValue(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(new RavenJValue((long)integer));
}
return(new RavenJValue(num));
}
if (v.IsNull())
{
return(RavenJValue.Null);
}
if (v.IsUndefined())
{
return(RavenJValue.Null);
}
if (v.IsArray())
{
var jsArray = v.AsArray();
var rja = new RavenJArray();
foreach (var property in jsArray.Properties)
{
if (property.Key == "length")
{
continue;
}
var jsInstance = property.Value.Value;
if (!jsInstance.HasValue)
{
continue;
}
var ravenJToken = ToRavenJToken(jsInstance.Value, propertyKey + "[" + property.Key + "]", recursiveCall);
if (ravenJToken == null)
{
continue;
}
rja.Add(ravenJToken);
}
return(rja);
}
if (v.IsObject())
{
return(ToRavenJObject(v, propertyKey, recursiveCall));
}
if (v.IsRegExp())
{
return(null);
}
throw new NotSupportedException(v.Type.ToString());
}
public static Color?FromJsValue(JsValue obj)
{
if (obj == null || obj.IsNull() || obj.IsUndefined())
{
return(null);
}
var nativeObject = obj.ToObject();
if (nativeObject is Color c)
{
return(c);
}
if (obj.IsString())
{
var s = obj.ToString();
ColorUtility.TryParseHtmlString(s, out var color);
return(color);
}
if (obj.IsNumber())
{
var num = (float)obj.AsNumber();
return(new Color(num, num, num, 1));
}
if (obj.IsArray())
{
var len = obj.AsArray().Length;
if (len == 0)
{
return(Color.clear);
}
var v0 = obj.AsArray()[0];
var v1 = obj.AsArray()[1];
var v2 = obj.AsArray()[2];
var v3 = obj.AsArray()[3];
if (v0 != null && !v0.IsNumber() && !v0.IsNull() && !v0.IsUndefined())
{
var start = FromJsValue(v0) ?? Color.clear;
var end = FromJsValue(v2);
if (end.HasValue)
{
var t = v1.IsNumber() ? (float)v1.AsNumber() : 0;
return(Color.LerpUnclamped(start, end.Value, t));
}
else
{
var t = v1.IsNumber() ? (float)v1.AsNumber() : 1;
start.a = t;
return(start);
}
}
var r = v0.IsNumber() ? (float)v0.AsNumber() : 0;
var g = v1.IsNumber() ? (float)v1.AsNumber() : 0;
var b = v2.IsNumber() ? (float)v2.AsNumber() : 0;
var a = v3.IsNumber() ? (float)v3.AsNumber() : 1;
return(new Color(r, g, b, a));
}
if (obj.IsObject())
{
var ob = obj.AsObject();
var v0 = ob.Get("r");
var v1 = ob.Get("g");
var v2 = ob.Get("b");
var v3 = ob.Get("a");
var r = v0.IsNumber() ? (float)v0.AsNumber() : 0;
var g = v1.IsNumber() ? (float)v1.AsNumber() : 0;
var b = v2.IsNumber() ? (float)v2.AsNumber() : 0;
var a = v3.IsNumber() ? (float)v3.AsNumber() : 1;
return(new Color(r, g, b, a));
}
return(null);
}
public static bool CanConvert(this JsValue jsValue, Type targetType)
{
if (jsValue.IsNull() || jsValue.IsUndefined())
{
return(targetType.IsClass);
}
if (jsValue.IsString() && (targetType == typeof(string) || targetType == typeof(bool)))
{
return(true);
}
if (jsValue.IsBoolean() && (targetType == typeof(bool) || targetType == typeof(bool?)))
{
return(true);
}
if (jsValue.IsNumber() && (targetType == typeof(int) ||
targetType == typeof(ulong) ||
targetType == typeof(double) ||
targetType == typeof(short) ||
targetType == typeof(short?) ||
targetType == typeof(int?) ||
targetType == typeof(double?) ||
targetType == typeof(string) ||
targetType == typeof(bool) ||
targetType == typeof(bool?)))
{
return(true);
}
if (jsValue.IsObject())
{
var jsObj = jsValue.AsObject();
if (jsObj is FunctionInstance && (typeof(Delegate)).IsAssignableFrom(targetType))
{
return(true);
}
if (jsObj is ClrObject clrObjectInstance)
{
if (clrObjectInstance.Target == null)
{
return(targetType.IsClass);
}
return(targetType.IsAssignableFrom(clrObjectInstance.Target.GetType()));
}
if (jsObj is ArrayInstance)
{
return(targetType.IsArray);
}
if (jsObj is ObjectInstance)
{
//if the target type is class that contains only public fields
//it can be deserialized from js object.
return(targetType.IsClass && targetType != typeof(string));
}
}
return(false);
}
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 Types GetPrimitiveType(JsValue value)
{
if (value.IsObject())
{
var primitive = value.TryCast<IPrimitiveInstance>();
if (primitive != null)
{
return primitive.Type;
}
return Types.Object;
}
return value.Type;
}
/// <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));
}
private JsValue AbstractWalkOperation(ObjectInstance thisObject, string prop)
{
JsValue value = thisObject.Get(prop);
if (value.IsObject())
{
var valueAsObject = value.AsObject();
if (valueAsObject.Class == "Array")
{
var valAsArray = value.AsArray();
var i = 0;
var arrLen = valAsArray.GetLength();
while (i < arrLen)
{
var newValue = AbstractWalkOperation(valAsArray, TypeConverter.ToString(i));
if (newValue.IsUndefined())
{
valAsArray.Delete(TypeConverter.ToString(i), false);
}
else
{
valAsArray.DefineOwnProperty
(
TypeConverter.ToString(i),
new PropertyDescriptor
(
value: newValue,
flags: PropertyFlag.ConfigurableEnumerableWritable
),
false
);
}
i = i + 1;
}
}
else
{
var keys = valueAsObject.GetOwnProperties();
foreach (var p in keys)
{
var newElement = AbstractWalkOperation(valueAsObject, p.Key);
if (newElement.IsUndefined())
{
valueAsObject.Delete(p.Key, false);
}
else
{
valueAsObject.DefineOwnProperty(
p.Key,
new PropertyDescriptor
(
value: newElement,
flags: PropertyFlag.ConfigurableEnumerableWritable
),
false
);
}
}
}
}
return(_reviver.Invoke(thisObject, new JsValue[] { prop, value }));
}
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 callable && ReferenceEquals(replacer, Undefined.Instance))
{
return(Undefined.Instance);
}
if (replacer.IsObject())
{
if (replacer is ICallable)
{
_replacerFunction = replacer;
}
else
{
var replacerObj = replacer.AsObject();
if (replacerObj.Class == ObjectClass.Array)
{
_propertyList = new List <JsValue>();
}
foreach (var property in replacerObj.GetOwnProperties().Select(x => x.Value))
{
JsValue v = _engine.GetValue(property, false);
string item = null;
if (v.IsString())
{
item = v.ToString();
}
else if (v.IsNumber())
{
item = TypeConverter.ToString(v);
}
else if (v.IsObject())
{
var propertyObj = v.AsObject();
if (propertyObj.Class == ObjectClass.String || propertyObj.Class == ObjectClass.Number)
{
item = TypeConverter.ToString(v);
}
}
if (item != null && !_propertyList.Contains(item))
{
_propertyList.Add(item);
}
}
}
}
if (space.IsObject())
{
var spaceObj = space.AsObject();
if (spaceObj.Class == ObjectClass.Number)
{
space = TypeConverter.ToNumber(spaceObj);
}
else if (spaceObj.Class == ObjectClass.String)
{
space = TypeConverter.ToJsString(spaceObj);
}
}
// defining the gap
if (space.IsNumber())
{
var number = ((JsNumber)space)._value;
if (number > 0)
{
_gap = new string(' ', (int)System.Math.Min(10, number));
}
else
{
_gap = string.Empty;
}
}
else if (space.IsString())
{
var stringSpace = space.ToString();
_gap = stringSpace.Length <= 10 ? stringSpace : stringSpace.Substring(0, 10);
}
else
{
_gap = string.Empty;
}
var wrapper = _engine.Object.Construct(Arguments.Empty);
wrapper.DefineOwnProperty(JsString.Empty, new PropertyDescriptor(value, PropertyFlag.ConfigurableEnumerableWritable));
return(Str(JsString.Empty, wrapper));
}
public object ConvertToObject(JsValue jsValue, Type targetType)
{
if (jsValue == _getEngine().Global)
{
return(_global);
}
if (jsValue.IsUndefined())
{
return(null);
}
if (jsValue.IsObject())
{
var obj = jsValue.AsObject();
if (targetType == typeof(string))
{
return(obj.ToString());
}
switch (obj)
{
case ClrObject clr:
return(clr.Target);
case ObjectInstance objInst:
return(GetCreator(targetType)(objInst));
}
return(jsValue);
}
if (jsValue.IsBoolean())
{
var boolVal = jsValue.AsBoolean();
if (targetType == typeof(string))
{
return(boolVal ? "true" : "false");
}
return(boolVal);
}
if (jsValue.IsString())
{
return(jsValue.AsString());
}
if (jsValue.IsNumber())
{
var dbl = jsValue.AsNumber();
if (targetType == typeof(sbyte))
{
return((sbyte)dbl);
}
if (targetType == typeof(byte))
{
return((byte)dbl);
}
if (targetType == typeof(int))
{
return((int)dbl);
}
if (targetType == typeof(uint))
{
return((uint)dbl);
}
if (targetType == typeof(short))
{
return((short)dbl);
}
if (targetType == typeof(ushort))
{
return((ushort)dbl);
}
if (targetType == typeof(long))
{
return((long)dbl);
}
if (targetType == typeof(ulong))
{
return((ulong)dbl);
}
if (targetType == typeof(float))
{
return((float)dbl);
}
if (targetType == typeof(string))
{
return(dbl.ToString(CultureInfo.InvariantCulture));
}
return(dbl);
}
return(null);
}
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));
}
/// <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)));
}
private JsValue Sort(JsValue thisObj, JsValue[] arguments)
{
if (!thisObj.IsObject())
{
throw new JavaScriptException(Engine.TypeError, "Array.prorotype.sort can only be applied on objects");
}
var obj = thisObj.AsObject();
var len = obj.Get("length");
var lenVal = TypeConverter.ToInt32(len);
if (lenVal <= 1)
{
return(obj);
}
var compareArg = arguments.At(0);
ICallable compareFn = null;
if (compareArg != Undefined.Instance)
{
compareFn = compareArg.TryCast <ICallable>(x =>
{
throw new JavaScriptException(Engine.TypeError, "The sort argument must be a function");
});
}
Comparison <JsValue> comparer = (x, y) =>
{
if (x == Undefined.Instance && y == Undefined.Instance)
{
return(0);
}
if (x == Undefined.Instance)
{
return(1);
}
if (y == Undefined.Instance)
{
return(-1);
}
if (compareFn != null)
{
var s = (int)TypeConverter.ToUint32(compareFn.Call(Undefined.Instance, new[] { x, y }));
return(s);
}
var xString = TypeConverter.ToString(x);
var yString = TypeConverter.ToString(y);
var r = System.String.CompareOrdinal(xString, yString);
return(r);
};
var array = Enumerable.Range(0, lenVal).Select(i => obj.Get(i.ToString())).ToArray();
// don't eat inner exceptions
try
{
System.Array.Sort(array, comparer);
}
catch (InvalidOperationException e)
{
throw e.InnerException;
}
foreach (var i in Enumerable.Range(0, lenVal))
{
obj.Put(i.ToString(), array[i], false);
}
return(obj);
}
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);
}
public bool IsPropertyReference()
{
// http://www.ecma-international.org/ecma-262/5.1/#sec-8.7
return((_baseValue.IsObject() && !_baseValue.Is <EnvironmentRecord>()) || HasPrimitiveBase());
}
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));
}
internal static bool IsFunction(JsValue jsValue)
{
return(jsValue.IsObject() && jsValue.AsObject() is Jint.Native.Function.FunctionInstance);
}
/// <summary>
/// http://www.ecma-international.org/ecma-262/5.1/#sec-13.2.1
/// </summary>
/// <param name="thisArg"></param>
/// <param name="arguments"></param>
/// <returns></returns>
public override JsValue Call(JsValue thisArg, JsValue[] arguments)
{
var scope = Engine.PoolStrictMode.Get();
scope.Setup(Strict, true);
{
// setup new execution context http://www.ecma-international.org/ecma-262/5.1/#sec-10.4.3
JsValue thisBinding;
if (StrictModeScope.IsStrictModeCode)
{
thisBinding = thisArg;
}
else if (thisArg == Undefined.Instance || thisArg == Null.Instance)
{
thisBinding = Engine.Global;
}
else if (!thisArg.IsObject())
{
thisBinding = TypeConverter.ToObject(Engine, thisArg);
}
else
{
thisBinding = thisArg;
}
var localEnv = LexicalEnvironment.NewDeclarativeEnvironment(Engine, Scope);
Engine.EnterExecutionContext(localEnv, localEnv, thisBinding);
try
{
Engine.DeclarationBindingInstantiation(
DeclarationBindingType.FunctionCode,
_functionDeclaration.FunctionDeclarations,
_functionDeclaration.VariableDeclarations,
this,
arguments);
var result = Engine.ExecuteStatement(_functionDeclaration.Body);
if (result.Type == Completion.Throw)
{
JavaScriptException ex = new JavaScriptException(result.GetValueOrDefault())
.SetCallstack(Engine, result.Location);
throw ex;
}
if (result.Type == Completion.Return)
{
scope.Teardown();
Engine.PoolStrictMode.Put(scope);
return(result.GetValueOrDefault());
}
}
finally
{
Engine.LeaveExecutionContext();
}
scope.Teardown();
Engine.PoolStrictMode.Put(scope);
return(Undefined.Instance);
}
}
public JsValue EvaluateBinaryExpression(BinaryExpression expression)
{
var leftExpression = EvaluateExpression(expression.Left);
JsValue left = _engine.GetValue(leftExpression);
var rightExpression = EvaluateExpression(expression.Right);
JsValue right = _engine.GetValue(rightExpression);
JsValue value;
switch (expression.Operator)
{
case BinaryOperator.Plus:
var lprim = TypeConverter.ToPrimitive(left);
var rprim = TypeConverter.ToPrimitive(right);
if (lprim.IsString() || rprim.IsString())
{
value = TypeConverter.ToString(lprim) + TypeConverter.ToString(rprim);
}
else
{
value = TypeConverter.ToNumber(lprim) + TypeConverter.ToNumber(rprim);
}
break;
case BinaryOperator.Minus:
value = TypeConverter.ToNumber(left) - TypeConverter.ToNumber(right);
break;
case BinaryOperator.Times:
if (left == Undefined.Instance || right == Undefined.Instance)
{
value = Undefined.Instance;
}
else
{
value = TypeConverter.ToNumber(left) * TypeConverter.ToNumber(right);
}
break;
case BinaryOperator.Divide:
value = Divide(left, right);
break;
case BinaryOperator.Modulo:
if (left == Undefined.Instance || right == Undefined.Instance)
{
value = Undefined.Instance;
}
else
{
value = TypeConverter.ToNumber(left) % TypeConverter.ToNumber(right);
}
break;
case BinaryOperator.Equal:
value = Equal(left, right);
break;
case BinaryOperator.NotEqual:
value = !Equal(left, right);
break;
case BinaryOperator.Greater:
value = Compare(right, left, false);
if (value == Undefined.Instance)
{
value = false;
}
break;
case BinaryOperator.GreaterOrEqual:
value = Compare(left, right);
if (value == Undefined.Instance || value.AsBoolean())
{
value = false;
}
else
{
value = true;
}
break;
case BinaryOperator.Less:
value = Compare(left, right);
if (value == Undefined.Instance)
{
value = false;
}
break;
case BinaryOperator.LessOrEqual:
value = Compare(right, left, false);
if (value == Undefined.Instance || value.AsBoolean())
{
value = false;
}
else
{
value = true;
}
break;
case BinaryOperator.StrictlyEqual:
return(StrictlyEqual(left, right));
case BinaryOperator.StricltyNotEqual:
return(!StrictlyEqual(left, right));
case BinaryOperator.BitwiseAnd:
return(TypeConverter.ToInt32(left) & TypeConverter.ToInt32(right));
case BinaryOperator.BitwiseOr:
return(TypeConverter.ToInt32(left) | TypeConverter.ToInt32(right));
case BinaryOperator.BitwiseXOr:
return(TypeConverter.ToInt32(left) ^ TypeConverter.ToInt32(right));
case BinaryOperator.LeftShift:
return(TypeConverter.ToInt32(left) << (int)(TypeConverter.ToUint32(right) & 0x1F));
case BinaryOperator.RightShift:
return(TypeConverter.ToInt32(left) >> (int)(TypeConverter.ToUint32(right) & 0x1F));
case BinaryOperator.UnsignedRightShift:
return((uint)TypeConverter.ToInt32(left) >> (int)(TypeConverter.ToUint32(right) & 0x1F));
case BinaryOperator.InstanceOf:
var f = right.TryCast <FunctionInstance>();
if (f == null)
{
throw new JavaScriptException(_engine.TypeError, "instanceof can only be used with a function object");
}
value = f.HasInstance(left);
break;
case BinaryOperator.In:
if (!right.IsObject())
{
throw new JavaScriptException(_engine.TypeError, "in can only be used with an object");
}
value = right.AsObject().HasProperty(TypeConverter.ToString(left));
break;
default:
throw new NotImplementedException();
}
return(value);
}
static bool IsObject(JsValue value)
{
return(value.IsObject() && value.IsArray() == false);
}
private static JsValue ScalarToRawString(JsValue self2, JsValue[] args)
{
if (args.Length != 2)
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) may be called on with two parameters only");
}
JsValue firstParam = args[0];
if (firstParam.IsObject() && args[0].AsObject() is BlittableObjectInstance selfInstance)
{
JsValue secondParam = args[1];
if (secondParam.IsObject() && secondParam.AsObject() is ScriptFunctionInstance lambda)
{
var functionAst = lambda.GetFunctionAst();
var propName = functionAst.TryGetFieldFromSimpleLambdaExpression();
if (selfInstance.OwnValues.TryGetValue(propName, out var existingValue))
{
if (existingValue.Changed)
{
return(existingValue.Value);
}
}
var propertyIndex = selfInstance.Blittable.GetPropertyIndex(propName);
if (propertyIndex == -1)
{
return(new JsValue(new ObjectInstance(selfInstance.Engine)
{
Extensible = true
}));
}
BlittableJsonReaderObject.PropertyDetails propDetails = new BlittableJsonReaderObject.PropertyDetails();
selfInstance.Blittable.GetPropertyByIndex(propertyIndex, ref propDetails);
var value = propDetails.Value;
switch (propDetails.Token & BlittableJsonReaderBase.TypesMask)
{
case BlittableJsonToken.Null:
return(JsValue.Null);
case BlittableJsonToken.Boolean:
return(new JsValue((bool)propDetails.Value));
case BlittableJsonToken.Integer:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
case BlittableJsonToken.LazyNumber:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
case BlittableJsonToken.String:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
case BlittableJsonToken.CompressedString:
return(new JsValue(new ObjectWrapper(selfInstance.Engine, value)));
default:
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) lambda to field must return either raw numeric or raw string types");
}
}
else
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) must be called with a second lambda argument");
}
}
else
{
throw new InvalidOperationException("scalarToRawString(document, lambdaToField) may be called with a document first parameter only");
}
}
public static IJsonValue Map(JsValue value)
{
if (value == null || value.IsNull() || value.IsUndefined())
{
return(JsonValue.Null);
}
if (value.IsString())
{
return(JsonValue.Create(value.AsString()));
}
if (value.IsBoolean())
{
return(JsonValue.Create(value.AsBoolean()));
}
if (value.IsNumber())
{
return(JsonValue.Create(value.AsNumber()));
}
if (value.IsDate())
{
return(JsonValue.Create(value.AsDate().ToString()));
}
if (value.IsRegExp())
{
return(JsonValue.Create(value.AsRegExp().Value?.ToString()));
}
if (value.IsArray())
{
var arr = value.AsArray();
var result = JsonValue.Array();
for (var i = 0; i < arr.GetLength(); i++)
{
result.Add(Map(arr.Get(i.ToString())));
}
return(result);
}
if (value.IsObject())
{
var obj = value.AsObject();
var result = JsonValue.Object();
foreach (var kvp in obj.GetOwnProperties())
{
result[kvp.Key] = Map(kvp.Value.Value);
}
return(result);
}
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());
}
/// <summary>
/// Checks if object
/// </summary>
/// <param name="value">Value</param>
/// <returns>True if object</returns>
public static bool IsObject(JsValue value)
{
return(value.IsObject());
}
private JsValue Sort(JsValue thisObj, JsValue[] arguments)
{
if (!thisObj.IsObject())
{
throw new JavaScriptException(Engine.TypeError, "Array.prorotype.sort can only be applied on objects");
}
var obj = thisObj.AsObject();
var len = obj.Get("length");
var lenVal = TypeConverter.ToInt32(len);
if (lenVal <= 1)
{
return obj;
}
var compareArg = arguments.At(0);
ICallable compareFn = null;
if (compareArg != Undefined.Instance)
{
compareFn = compareArg.TryCast<ICallable>(x =>
{
throw new JavaScriptException(Engine.TypeError, "The sort argument must be a function");
});
}
Comparison<JsValue> comparer = (x, y) =>
{
if (x == Undefined.Instance && y == Undefined.Instance)
{
return 0;
}
if (x == Undefined.Instance)
{
return 1;
}
if (y == Undefined.Instance)
{
return -1;
}
if (compareFn != null)
{
var s = (int) TypeConverter.ToUint32(compareFn.Call(Undefined.Instance, new[] {x, y}));
return s;
}
var xString = TypeConverter.ToString(x);
var yString = TypeConverter.ToString(y);
var r = System.String.CompareOrdinal(xString, yString);
return r;
};
var array = Enumerable.Range(0, lenVal).Select(i => obj.Get(i.ToString())).ToArray();
// don't eat inner exceptions
try
{
System.Array.Sort(array, comparer);
}
catch (InvalidOperationException e)
{
throw e.InnerException;
}
foreach (var i in Enumerable.Range(0, lenVal))
{
obj.Put(i.ToString(), array[i], false);
}
return obj;
}
public static JsValue Show(JavaScriptUi ui, string title, JsValue fields, JsValue validate)
{
if (ui == null)
{
throw new ArgumentNullException(nameof(ui));
}
using (var form = new UiForm())
{
if (String.IsNullOrEmpty(title))
{
form.Text = ui.Owner.Text;
}
else
{
form.Text = title;
}
form.Icon = ui.Owner.Icon;
if (!fields.IsArray())
{
throw new JavaScriptException("fields must be an array");
}
var controls = new List <Field>();
fields.AsArray().ForEach((index, value) =>
{
var container = form._container;
while (container.RowStyles.Count <= index)
{
container.RowCount++;
container.RowStyles.Add(new RowStyle(SizeType.AutoSize));
}
var field = value.AsObject();
string name = field.Get("name").ConvertToString();
string label = field.Get("label").ConvertToString();
var type = ParseType(field.Get("type").ConvertToString());
ArrayInstance list = null;
if (field.HasOwnProperty("list"))
{
list = field.Get("list").AsArray();
}
Field control;
switch (type)
{
case FieldType.Text:
control = new TextField(name, label);
break;
case FieldType.CheckBox:
control = new CheckBoxField(name, label);
break;
case FieldType.Numeric:
control = new NumericField(name, label);
break;
case FieldType.Date:
control = new DateField(name, label);
break;
case FieldType.DateTime:
control = new DateTimeField(name, label);
break;
case FieldType.ComboBox:
control = new ComboBoxField(name, label, list);
break;
default:
throw new ArgumentOutOfRangeException();
}
controls.Add(control);
if (field.HasOwnProperty("value"))
{
control.SetValue(field.Get("value"));
}
if (control.ShowLabel)
{
var labelControl = new Label
{
AutoSize = true,
Text = label,
Dock = DockStyle.Fill,
TextAlign = ContentAlignment.MiddleLeft
};
container.SetRow(labelControl, index);
container.Controls.Add(labelControl);
}
control.Control.Dock = DockStyle.Fill;
control.Control.AutoSize = true;
container.SetRow(control.Control, index);
container.SetColumn(control.Control, 1);
container.Controls.Add(control.Control);
});
form._acceptButton.Click += (s, e) =>
{
try
{
if (validate.IsObject())
{
var values = BuildValues(ui.Engine, controls);
var result = validate.Invoke(values);
if (!result.ConvertToBoolean().GetValueOrDefault())
{
return;
}
}
form.DialogResult = DialogResult.OK;
}
catch (JavaScriptException exception)
{
JintDebugger.ExceptionForm.Show(form, exception);
}
catch (Exception exception)
{
MessageBox.Show(
form,
new StringBuilder()
.AppendLine("An exception occurred while executing the script:")
.AppendLine()
.Append(exception.Message).Append(" (").Append(exception.GetType().FullName).AppendLine(")")
.AppendLine()
.AppendLine(exception.StackTrace)
.ToString(),
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error
);
}
};
var owner = ui.Owner;
using (ui.PushOwner(form))
{
if (form.ShowDialog(owner) == DialogResult.OK)
{
return(BuildValues(ui.Engine, controls));
}
}
}
return(JsValue.Null);
}
