/// <summary>
/// Executes a mapping from the script type to a host type
/// </summary>
/// <param name="value">The source value</param>
/// <returns>The mapped value</returns>
private static object MapToHostType(JavaScriptValue value)
{
JavaScriptValueType valueType = value.ValueType;
JavaScriptValue processedValue;
object result;
switch (valueType)
{
case JavaScriptValueType.Null:
result = null;
break;
case JavaScriptValueType.Undefined:
result = Undefined.Value;
break;
case JavaScriptValueType.Boolean:
processedValue = value.ConvertToBoolean();
result = processedValue.ToBoolean();
break;
case JavaScriptValueType.Number:
processedValue = value.ConvertToNumber();
result = processedValue.ToDouble();
break;
case JavaScriptValueType.String:
processedValue = value.ConvertToString();
result = processedValue.ToString();
break;
case JavaScriptValueType.Object:
case JavaScriptValueType.Function:
case JavaScriptValueType.Error:
case JavaScriptValueType.Array:
processedValue = value.ConvertToObject();
result = processedValue.ToObject();
break;
default:
throw new ArgumentOutOfRangeException();
}
return(result);
}
private JsRuntimeException ConvertJavaScriptExceptionToJsRuntimeException(
JavaScriptException jsException)
{
string message = jsException.Message;
string category = string.Empty;
int lineNumber = 0;
int columnNumber = 0;
string sourceFragment = string.Empty;
if (jsException is JavaScriptScriptException)
{
category = "Script error";
var jsScriptException = (JavaScriptScriptException)jsException;
JavaScriptValue errorValue = jsScriptException.Error;
JavaScriptPropertyId messagePropertyId = JavaScriptPropertyId.FromString("message");
JavaScriptValue messagePropertyValue = errorValue.GetProperty(messagePropertyId);
string scriptMessage = messagePropertyValue.ConvertToString().ToString();
if (!string.IsNullOrWhiteSpace(scriptMessage))
{
message = string.Format("{0}: {1}", message.TrimEnd('.'), scriptMessage);
}
JavaScriptPropertyId linePropertyId = JavaScriptPropertyId.FromString("line");
if (errorValue.HasProperty(linePropertyId))
{
JavaScriptValue linePropertyValue = errorValue.GetProperty(linePropertyId);
lineNumber = (int)linePropertyValue.ConvertToNumber().ToDouble() + 1;
}
JavaScriptPropertyId columnPropertyId = JavaScriptPropertyId.FromString("column");
if (errorValue.HasProperty(columnPropertyId))
{
JavaScriptValue columnPropertyValue = errorValue.GetProperty(columnPropertyId);
columnNumber = (int)columnPropertyValue.ConvertToNumber().ToDouble() + 1;
}
JavaScriptPropertyId sourcePropertyId = JavaScriptPropertyId.FromString("source");
if (errorValue.HasProperty(sourcePropertyId))
{
JavaScriptValue sourcePropertyValue = errorValue.GetProperty(sourcePropertyId);
sourceFragment = sourcePropertyValue.ConvertToString().ToString();
}
}
else if (jsException is JavaScriptUsageException)
{
category = "Usage error";
}
else if (jsException is JavaScriptEngineException)
{
category = "Engine error";
}
else if (jsException is JavaScriptFatalException)
{
category = "Fatal error";
}
var jsEngineException = new JsRuntimeException(message, ENGINE_MODE_NAME)
{
ErrorCode = ((uint)jsException.ErrorCode).ToString(CultureInfo.InvariantCulture),
Category = category,
LineNumber = lineNumber,
ColumnNumber = columnNumber,
SourceFragment = sourceFragment,
HelpLink = jsException.HelpLink
};
return(jsEngineException);
}