private static WebDriverResult PopulateArguments(SafeScriptArgsHandle scriptArgs, object[] args)
{
WebDriverResult result = WebDriverResult.Success;
foreach (object arg in args)
{
string stringArg = arg as string;
InternetExplorerWebElement webElementArg = arg as InternetExplorerWebElement;
if (stringArg != null)
{
result = NativeDriverLibrary.Instance.AddStringScriptArg(scriptArgs, stringArg);
}
else if (arg is bool)
{
bool param = (bool)arg;
result = NativeDriverLibrary.Instance.AddBooleanScriptArg(scriptArgs, !param ? 0 : 1);
}
else if (webElementArg != null)
{
result = webElementArg.AddToScriptArgs(scriptArgs);
}
else if (arg is int || arg is short || arg is long)
{
int param;
bool parseSucceeded = int.TryParse(arg.ToString(), out param);
if (!parseSucceeded)
{
throw new ArgumentException("Parameter is not recognized as an int: " + arg);
}
result = NativeDriverLibrary.Instance.AddNumberScriptArg(scriptArgs, param);
}
else if (arg is float || arg is double)
{
double param;
bool parseSucceeded = double.TryParse(arg.ToString(), out param);
if (!parseSucceeded)
{
throw new ArgumentException("Parameter is not of recognized as a double: " + arg);
}
result = NativeDriverLibrary.Instance.AddDoubleScriptArg(scriptArgs, param);
}
else
{
throw new ArgumentException("Parameter is not of recognized type: " + arg);
}
ResultHandler.VerifyResultCode(result, "Unable to add argument: " + arg);
}
return(result);
}
private object ExtractReturnValue(SafeScriptResultHandle scriptResult)
{
WebDriverResult result;
int type;
result = NativeDriverLibrary.Instance.GetScriptResultType(handle, scriptResult, out type);
ResultHandler.VerifyResultCode(result, "Cannot determine result type");
object toReturn = null;
try
{
switch (type)
{
case 1:
SafeStringWrapperHandle stringHandle = new SafeStringWrapperHandle();
result = NativeDriverLibrary.Instance.GetStringScriptResult(scriptResult, ref stringHandle);
ResultHandler.VerifyResultCode(result, "Cannot extract string result");
using (StringWrapper wrapper = new StringWrapper(stringHandle))
{
toReturn = wrapper.Value;
}
break;
case 2:
long longVal;
result = NativeDriverLibrary.Instance.GetNumberScriptResult(scriptResult, out longVal);
ResultHandler.VerifyResultCode(result, "Cannot extract number result");
toReturn = longVal;
break;
case 3:
int boolVal;
result = NativeDriverLibrary.Instance.GetBooleanScriptResult(scriptResult, out boolVal);
ResultHandler.VerifyResultCode(result, "Cannot extract boolean result");
toReturn = boolVal == 1 ? true : false;
break;
case 4:
SafeInternetExplorerWebElementHandle element;
result = NativeDriverLibrary.Instance.GetElementScriptResult(scriptResult, handle, out element);
ResultHandler.VerifyResultCode(result, "Cannot extract element result");
toReturn = new InternetExplorerWebElement(this, element);
break;
case 5:
toReturn = null;
break;
case 6:
SafeStringWrapperHandle messageHandle = new SafeStringWrapperHandle();
result = NativeDriverLibrary.Instance.GetStringScriptResult(scriptResult, ref messageHandle);
ResultHandler.VerifyResultCode(result, "Cannot extract string result");
string message = string.Empty;
using (StringWrapper wrapper = new StringWrapper(messageHandle))
{
message = wrapper.Value;
}
throw new WebDriverException(message);
case 7:
double doubleVal;
result = NativeDriverLibrary.Instance.GetDoubleScriptResult(scriptResult, out doubleVal);
ResultHandler.VerifyResultCode(result, "Cannot extract number result");
toReturn = doubleVal;
break;
case 8:
bool allArrayItemsAreElements = true;
int arrayLength = 0;
result = NativeDriverLibrary.Instance.GetArrayLengthScriptResult(handle, scriptResult, out arrayLength);
ResultHandler.VerifyResultCode(result, "Cannot extract array length.");
List<object> list = new List<object>();
for (int i = 0; i < arrayLength; i++)
{
// Get reference to object
SafeScriptResultHandle currItemHandle = new SafeScriptResultHandle();
WebDriverResult getItemResult = NativeDriverLibrary.Instance.GetArrayItemFromScriptResult(handle, scriptResult, i, out currItemHandle);
if (getItemResult != WebDriverResult.Success)
{
// Note about memory management: Usually memory for this item
// will be released during the recursive call to
// ExtractReturnValue. It is freed explicitly here since a
// recursive call will not happen.
currItemHandle.Dispose();
throw new WebDriverException(string.Format(CultureInfo.InvariantCulture, "Cannot extract element from collection at index: {0} ({1})", i, result));
}
object arrayItem = ExtractReturnValue(currItemHandle);
if (allArrayItemsAreElements && !(arrayItem is IWebElement))
{
allArrayItemsAreElements = false;
}
// Call ExtractReturnValue with the fetched item (recursive)
list.Add(arrayItem);
}
if (allArrayItemsAreElements)
{
List<IWebElement> elementList = new List<IWebElement>();
foreach (object item in list)
{
elementList.Add((IWebElement)item);
}
toReturn = elementList.AsReadOnly();
}
else
{
toReturn = list.AsReadOnly();
}
break;
default:
throw new WebDriverException("Cannot determine result type");
}
}
finally
{
scriptResult.Dispose();
}
return toReturn;
}
private object ExtractReturnValue(SafeScriptResultHandle scriptResult)
{
WebDriverResult result;
int type;
result = NativeDriverLibrary.Instance.GetScriptResultType(handle, scriptResult, out type);
ResultHandler.VerifyResultCode(result, "Cannot determine result type");
object toReturn = null;
try
{
switch (type)
{
case 1:
SafeStringWrapperHandle stringHandle = new SafeStringWrapperHandle();
result = NativeDriverLibrary.Instance.GetStringScriptResult(scriptResult, ref stringHandle);
ResultHandler.VerifyResultCode(result, "Cannot extract string result");
using (StringWrapper wrapper = new StringWrapper(stringHandle))
{
toReturn = wrapper.Value;
}
break;
case 2:
long longVal;
result = NativeDriverLibrary.Instance.GetNumberScriptResult(scriptResult, out longVal);
ResultHandler.VerifyResultCode(result, "Cannot extract number result");
toReturn = longVal;
break;
case 3:
int boolVal;
result = NativeDriverLibrary.Instance.GetBooleanScriptResult(scriptResult, out boolVal);
ResultHandler.VerifyResultCode(result, "Cannot extract boolean result");
toReturn = boolVal == 1 ? true : false;
break;
case 4:
SafeInternetExplorerWebElementHandle element;
result = NativeDriverLibrary.Instance.GetElementScriptResult(scriptResult, handle, out element);
ResultHandler.VerifyResultCode(result, "Cannot extract element result");
toReturn = new InternetExplorerWebElement(this, element);
break;
case 5:
toReturn = null;
break;
case 6:
SafeStringWrapperHandle messageHandle = new SafeStringWrapperHandle();
result = NativeDriverLibrary.Instance.GetStringScriptResult(scriptResult, ref messageHandle);
ResultHandler.VerifyResultCode(result, "Cannot extract string result");
string message = string.Empty;
using (StringWrapper wrapper = new StringWrapper(messageHandle))
{
message = wrapper.Value;
}
throw new WebDriverException(message);
case 7:
double doubleVal;
result = NativeDriverLibrary.Instance.GetDoubleScriptResult(scriptResult, out doubleVal);
ResultHandler.VerifyResultCode(result, "Cannot extract number result");
toReturn = doubleVal;
break;
case 8:
bool allArrayItemsAreElements = true;
int arrayLength = 0;
result = NativeDriverLibrary.Instance.GetArrayLengthScriptResult(handle, scriptResult, out arrayLength);
ResultHandler.VerifyResultCode(result, "Cannot extract array length.");
List <object> list = new List <object>();
for (int i = 0; i < arrayLength; i++)
{
// Get reference to object
SafeScriptResultHandle currItemHandle = new SafeScriptResultHandle();
WebDriverResult getItemResult = NativeDriverLibrary.Instance.GetArrayItemFromScriptResult(handle, scriptResult, i, out currItemHandle);
if (getItemResult != WebDriverResult.Success)
{
// Note about memory management: Usually memory for this item
// will be released during the recursive call to
// ExtractReturnValue. It is freed explicitly here since a
// recursive call will not happen.
currItemHandle.Dispose();
throw new WebDriverException(string.Format(CultureInfo.InvariantCulture, "Cannot extract element from collection at index: {0} ({1})", i, result));
}
object arrayItem = ExtractReturnValue(currItemHandle);
if (allArrayItemsAreElements && !(arrayItem is IWebElement))
{
allArrayItemsAreElements = false;
}
// Call ExtractReturnValue with the fetched item (recursive)
list.Add(arrayItem);
}
if (allArrayItemsAreElements)
{
List <IWebElement> elementList = new List <IWebElement>();
foreach (object item in list)
{
elementList.Add((IWebElement)item);
}
toReturn = elementList.AsReadOnly();
}
else
{
toReturn = list.AsReadOnly();
}
break;
default:
throw new WebDriverException("Cannot determine result type");
}
}
finally
{
scriptResult.Dispose();
}
return(toReturn);
}