internal static object ConvertJsValueToNetObject(Jint.Native.JsValue v)
{
if (v.IsBoolean())
{
return(v.AsBoolean());
}
if (v.IsNumber())
{
return(v.AsNumber());
}
if (v.IsNull())
{
return(null);
}
if (v.IsUndefined())
{
return("undefined");
}
if (v.IsString())
{
return(v.AsString());
}
if (v.IsObject())
{
return(v.ToObject());
}
throw new ArgumentException(string.Format("Cannot get display value for JsValue"));
}
/// <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 JsValueDebugView(JsValue value)
{
switch (value.Type)
{
case Types.None:
Value = "None";
break;
case Types.Undefined:
Value = "undefined";
break;
case Types.Null:
Value = "null";
break;
case Types.Boolean:
Value = value.AsBoolean() + " (bool)";
break;
case Types.String:
Value = value.AsString() + " (string)";
break;
case Types.Number:
Value = value.AsNumber() + " (number)";
break;
case Types.Object:
Value = value.AsObject().GetType().Name;
break;
default:
Value = "Unknown";
break;
}
}
private RavenJToken ToRavenJToken(JsValue v, string propertyKey)
{
if (v.IsBoolean())
return new RavenJValue(v.AsBoolean());
if (v.IsString())
{
const string RavenDataByteArrayToBase64 = "raven-data:byte[];base64,";
var value = v.AsString();
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)
return new RavenJValue(num);
if (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;
return new RavenJValue((long)num);
}
}
// 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, CreatePropertyKey(property.Key, propertyKey));
if (ravenJToken == null)
continue;
rja.Add(ravenJToken);
}
return rja;
}
if (v.IsObject())
return ToRavenJObject(v, propertyKey);
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);
}
/// <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));
}
/// <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 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());
}
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();
}
}
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 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;
}
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;
//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.Type == JTokenType.Integer && (Math.Abs(num - Math.Floor(num)) <= double.Epsilon || Math.Abs(num - Math.Ceiling(num)) <= double.Epsilon))
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 (InheritedProperties.Contains(property.Key))
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());
}