/// <exclude />
public static ParameterList GetParametersListForTest(IEnumerable <ManagedParameterDefinition> parameterDefinitions)
{
ParameterList parameterList = new ParameterList(null);
foreach (var parameterDefinition in parameterDefinitions)
{
if (!parameterDefinition.TestValueFunctionMarkup.IsNullOrEmpty())
{
FunctionRuntimeTreeNode functionNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(XElement.Parse(parameterDefinition.TestValueFunctionMarkup));
FunctionValueProvider valueProvider = new FunctionValueProvider(functionNode);
object value = valueProvider.GetValue();
parameterList.AddConstantParameter(parameterDefinition.Name, value, parameterDefinition.Type);
}
else if (!parameterDefinition.DefaultValueFunctionMarkup.IsNullOrEmpty())
{
FunctionRuntimeTreeNode functionNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(XElement.Parse(parameterDefinition.DefaultValueFunctionMarkup));
FunctionValueProvider valueProvider = new FunctionValueProvider(functionNode);
object value = valueProvider.GetValue();
parameterList.AddConstantParameter(parameterDefinition.Name, value, parameterDefinition.Type);
}
else
{
throw new InvalidOperationException("Parameter '{0}' have neigther 'test value' nor 'default value' specified.".FormatWith(parameterDefinition.Name));
}
}
return(parameterList);
}
private void initializeCodeActivity_Initialize_ExecuteCode(object sender, EventArgs e)
{
ReportFunctionActionNode reportFunctionActionNode = (ReportFunctionActionNode)ActionNode.Deserialize(this.Payload);
Dictionary <string, string> piggybag = PiggybagSerializer.Deserialize(this.ExtraPayload);
var replaceContext = new DynamicValuesHelperReplaceContext(this.EntityToken, piggybag);
XElement markup = reportFunctionActionNode.FunctionMarkupDynamicValuesHelper.ReplaceValues(replaceContext);
BaseRuntimeTreeNode baseRuntimeTreeNode = FunctionTreeBuilder.Build(markup);
XDocument result = baseRuntimeTreeNode.GetValue() as XDocument;
if (result == null)
{
string message = string.Format(StringResourceSystemFacade.GetString("Composite.C1Console.Trees", "TreeValidationError.ReportFunctionAction.WrongReturnValue"), "XDocument");
Log.LogError("TreeFacade", message);
throw new InvalidOperationException(message);
}
this.Bindings.Add("Label", reportFunctionActionNode.DocumentLabelDynamicValueHelper.ReplaceValues(replaceContext));
this.Bindings.Add("Icon", reportFunctionActionNode.DocumentIcon.ResourceName);
this.Bindings.Add("HtmlBlob", result.ToString());
}
private static Dictionary <string, object> BuildTestParameterInput(IEnumerable <ManagedParameterDefinition> parameters)
{
Dictionary <string, object> inputValues = new Dictionary <string, object>();
foreach (ManagedParameterDefinition parameterDefinition in parameters)
{
object value = null;
if (string.IsNullOrEmpty(parameterDefinition.TestValueFunctionMarkup) == false)
{
FunctionRuntimeTreeNode functionNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(XElement.Parse(parameterDefinition.TestValueFunctionMarkup));
value = functionNode.GetValue();
}
else
{
if (string.IsNullOrEmpty(parameterDefinition.DefaultValueFunctionMarkup) == false)
{
FunctionRuntimeTreeNode functionNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(XElement.Parse(parameterDefinition.DefaultValueFunctionMarkup));
value = functionNode.GetValue();
}
}
if (value != null)
{
if (parameterDefinition.Type.IsAssignableFrom(value.GetType()) == false)
{
value = ValueTypeConverter.Convert(value, parameterDefinition.Type);
}
inputValues.Add(parameterDefinition.Name, value);
}
}
return(inputValues);
}
private static object EvaluateLazyResult(IEnumerable <XNode> xNodes, FunctionContextContainer context)
{
var resultList = new List <object>();
// Attaching the result to be cached to an XElement, so the cached XObject-s will not be later attached to
// an XDocument and causing a bigger memory leak.
var tempParent = new XElement("t");
foreach (var node in xNodes.Evaluate())
{
node.Remove();
if (node is XElement element)
{
if (element.Name == FunctionXName)
{
var functionTreeNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(element);
var functionCallResult = functionTreeNode.GetValue(context);
if (functionCallResult != null)
{
if (functionCallResult is XDocument document)
{
functionCallResult = document.Root;
}
resultList.Add(functionCallResult);
if (functionCallResult is XObject || functionCallResult is IEnumerable <XObject> )
{
tempParent.Add(functionCallResult);
}
}
}
else
{
PageRenderer.ExecuteEmbeddedFunctions(element, context);
resultList.Add(element);
tempParent.Add(element);
}
}
else
{
resultList.Add(node);
tempParent.Add(node);
}
}
return(resultList.ToArray());
}
private void showConfirmCodeActivity_ExecuteFunction_ExecuteCode(object sender, EventArgs e)
{
ConfirmActionNode confirmActionNode = (ConfirmActionNode)ActionNode.Deserialize(this.Payload);
DynamicValuesHelperReplaceContext dynamicValuesHelperReplaceContext = CreateDynamicValuesHelperReplaceContext();
AttributeDynamicValuesHelper attributeDynamicValuesHelper = new AttributeDynamicValuesHelper(confirmActionNode.FunctionMarkup);
attributeDynamicValuesHelper.Initialize(confirmActionNode.OwnerNode);
XElement markup = confirmActionNode.FunctionMarkupDynamicValuesHelper.ReplaceValues(dynamicValuesHelperReplaceContext);
BaseRuntimeTreeNode baseRuntimeTreeNode = FunctionTreeBuilder.Build(markup);
object value = baseRuntimeTreeNode.GetValue();
}
internal override void Initialize()
{
try
{
FunctionTreeBuilder.Build(this.FunctionMarkup);
}
catch
{
AddValidationError("TreeValidationError.FunctionFilter.WrongFunctionMarkup");
return;
}
this.FunctionMarkupDynamicValuesHelper = new AttributeDynamicValuesHelper(this.FunctionMarkup);
this.FunctionMarkupDynamicValuesHelper.Initialize(this.OwnerNode);
}
/// <exclude />
protected override void OnInitialize()
{
try
{
FunctionTreeBuilder.Build(this.FunctionMarkup);
}
catch
{
AddValidationError("TreeValidationError.Common.WrongFunctionMarkup");
return;
}
this.FunctionMarkupDynamicValuesHelper = new AttributeDynamicValuesHelper(this.FunctionMarkup);
this.FunctionMarkupDynamicValuesHelper.Initialize(this.OwnerNode);
this.DocumentLabelDynamicValueHelper = new DynamicValuesHelper(this.DocumentLabel);
this.DocumentLabelDynamicValueHelper.Initialize(this.OwnerNode);
}
public override Expression CreateUpwardsFilterExpression(ParameterExpression parameterExpression, TreeNodeDynamicContext dynamicContext)
{
DataEntityToken currentEntityToken = dynamicContext.CurrentEntityToken as DataEntityToken;
IData filteredDataItem = null;
Func <IData, bool> upwardsFilter = dataItem =>
{
var ancestorEntityToken = dataItem.GetDataEntityToken();
var replaceContext = new DynamicValuesHelperReplaceContext
{
CurrentDataItem = dataItem,
CurrentEntityToken = ancestorEntityToken,
PiggybagDataFinder = new PiggybagDataFinder(dynamicContext.Piggybag, ancestorEntityToken)
};
XElement markup = this.FunctionMarkupDynamicValuesHelper.ReplaceValues(replaceContext);
BaseRuntimeTreeNode baseRuntimeTreeNode = FunctionTreeBuilder.Build(markup);
LambdaExpression expression = GetLambdaExpression(baseRuntimeTreeNode);
if (expression.Parameters.Count != 1)
{
throw new InvalidOperationException("Only 1 parameter lamdas supported when calling function: " + markup);
}
Delegate compiledExpression = expression.Compile();
if (filteredDataItem == null)
{
filteredDataItem = currentEntityToken.Data;
}
return((bool)compiledExpression.DynamicInvoke(filteredDataItem));
};
return(upwardsFilter.Target != null
? Expression.Call(Expression.Constant(upwardsFilter.Target), upwardsFilter.Method, parameterExpression)
: Expression.Call(upwardsFilter.Method, parameterExpression));
}
public object CallFunction(XPathNodeIterator nodeIterator)
{
Verify.ArgumentNotNull(nodeIterator, "nodeIterator");
if (!nodeIterator.MoveNext())
{
return(string.Empty);
}
XPathNavigator navigator = nodeIterator.Current;
XElement functionNode = GetXElement(navigator);
if (functionNode == null)
{
LoggingService.LogWarning("StandardXslExtendion", "Failed to get a function definition.");
return(string.Empty);
}
BaseRuntimeTreeNode runtimeTreeNode = FunctionTreeBuilder.Build(functionNode);
object result = runtimeTreeNode.GetValue(new FunctionContextContainer());
if (result is XElement)
{
return((result as XElement).CreateNavigator());
}
if (result is IEnumerable <XElement> )
{
return(new FunctionResultNodeIterator(result as IEnumerable <XElement>));
}
if (result is XhtmlDocument)
{
return((result as XhtmlDocument).Root.CreateNavigator());
}
return(result);
}
public override Expression CreateDownwardsFilterExpression(ParameterExpression parameterExpression, TreeNodeDynamicContext dynamicContext)
{
var replaceContext = new DynamicValuesHelperReplaceContext(dynamicContext.CurrentEntityToken, dynamicContext.Piggybag);
XElement markup = this.FunctionMarkupDynamicValuesHelper.ReplaceValues(replaceContext);
BaseRuntimeTreeNode baseRuntimeTreeNode = FunctionTreeBuilder.Build(markup);
LambdaExpression expression = GetLambdaExpression(baseRuntimeTreeNode);
if (expression.Parameters.Count != 1)
{
throw new InvalidOperationException("Only 1 parameter lamdas supported when calling function: " + markup);
}
ParameterChangerExpressionVisitor expressionVisitor = new ParameterChangerExpressionVisitor(expression.Parameters.Single(), parameterExpression);
Expression resultExpression = expressionVisitor.Visit(expression.Body);
return(resultExpression);
}
public override string ToString()
{
BaseRuntimeTreeNode baseRuntimeTreeNode = FunctionTreeBuilder.Build(this.Markup);
XDocument result = (XDocument)baseRuntimeTreeNode.GetValue();
XhtmlDocument xhtmlDocument = result as XhtmlDocument;
if (xhtmlDocument != null)
{
StringBuilder sb = new StringBuilder();
foreach (XElement element in xhtmlDocument.Body.Elements())
{
sb.AppendLine(element.ToString());
}
return(sb.ToString());
}
return(result.ToString());
}
/// <exclude />
public static IEnumerable <NamedFunctionCall> GetValidFunctionCalls(Guid xsltFunctionId, out List <string> errors)
{
errors = null;
List <NamedFunctionCall> result = new List <NamedFunctionCall>();
foreach (INamedFunctionCall namedFunctionCallData in DataFacade.GetData <INamedFunctionCall>(f => f.XsltFunctionId == xsltFunctionId))
{
XElement functionElement = XElement.Parse(namedFunctionCallData.SerializedFunction);
FunctionRuntimeTreeNode function = null;
try
{
function = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(functionElement);
}
catch (Exception ex)
{
string errDescriptionForLog = string.Format("XSLT Function call markup for failed to parse ('{0}').\nThe markup was \n{1}", ex.Message, functionElement);
string errDescriptionForUser = string.Format("XSLT Function call markup for failed to parse ('{0}').\nPlease see server log for more details.", ex.Message);
LoggingService.LogError("Function parse error", errDescriptionForLog);
if (errors == null)
{
errors = new List <string>();
}
errors.Add(errDescriptionForUser);
}
if (function != null)
{
result.Add(new NamedFunctionCall(namedFunctionCallData.Name, function));
}
}
return(result);
}
private void GenerateForm()
{
var fieldNameToBindingNameMapper = new Dictionary <string, string>();
_bindingsXml = new XElement(CmsBindingsElementTemplate);
var layout = new XElement(CmsLayoutElementTemplate);
if (!string.IsNullOrEmpty(LayoutIconHandle))
{
layout.Add(new XAttribute("iconhandle", LayoutIconHandle));
}
// Add a read binding as the layout label
if (!string.IsNullOrEmpty(LayoutLabel))
{
var labelAttribute = new XAttribute("label", LayoutLabel);
layout.Add(labelAttribute);
}
else if (!string.IsNullOrEmpty(_dataTypeDescriptor.LabelFieldName))
{
layout.Add((new XElement(CmsNamespace + "layout.label", new XElement(CmsNamespace + "read", new XAttribute("source", _dataTypeDescriptor.LabelFieldName)))));
}
_panelXml = new XElement(MainNamespace + "FieldGroup");
string formLabel = !string.IsNullOrEmpty(FieldGroupLabel) ? FieldGroupLabel : _dataTypeDescriptor.Title;
if (!string.IsNullOrEmpty(formLabel))
{
_panelXml.Add(new XAttribute("Label", formLabel));
}
layout.Add(_panelXml);
foreach (var fieldDescriptor in _dataTypeDescriptor.Fields)
{
var bindingType = GetFieldBindingType(fieldDescriptor);
var bindingName = GetBindingName(fieldDescriptor);
fieldNameToBindingNameMapper.Add(fieldDescriptor.Name, bindingName);
var binding = new XElement(CmsNamespace + FormKeyTagNames.Binding,
new XAttribute("name", bindingName),
new XAttribute("type", bindingType));
if (fieldDescriptor.IsNullable)
{
binding.Add(new XAttribute("optional", "true"));
}
_bindingsXml.Add(binding);
if (!_readOnlyFields.Contains(fieldDescriptor.Name))
{
XElement widgetFunctionMarkup;
var label = fieldDescriptor.FormRenderingProfile.Label;
if (label.IsNullOrEmpty())
{
label = fieldDescriptor.Name;
}
var helptext = fieldDescriptor.FormRenderingProfile.HelpText ?? "";
if (!string.IsNullOrEmpty(fieldDescriptor.FormRenderingProfile.WidgetFunctionMarkup))
{
widgetFunctionMarkup = XElement.Parse(fieldDescriptor.FormRenderingProfile.WidgetFunctionMarkup);
}
else if (!DataTypeDescriptor.IsCodeGenerated && fieldDescriptor.FormRenderingProfile.WidgetFunctionMarkup == null)
{
// Auto generating a widget for not code generated data types
Type fieldType;
if (!fieldDescriptor.ForeignKeyReferenceTypeName.IsNullOrEmpty())
{
Type foreignKeyType;
try
{
foreignKeyType = Type.GetType(fieldDescriptor.ForeignKeyReferenceTypeName, true);
}
catch (Exception ex)
{
throw new InvalidOperationException("Failed to get referenced foreign key type '{0}'".FormatWith(fieldDescriptor.ForeignKeyReferenceTypeName), ex);
}
var referenceTemplateType = fieldDescriptor.IsNullable ? typeof(NullableDataReference <>) : typeof(DataReference <>);
fieldType = referenceTemplateType.MakeGenericType(foreignKeyType);
}
else
{
fieldType = fieldDescriptor.InstanceType;
}
var widgetFunctionProvider = StandardWidgetFunctions.GetDefaultWidgetFunctionProviderByType(fieldType);
if (widgetFunctionProvider != null)
{
widgetFunctionMarkup = widgetFunctionProvider.SerializedWidgetFunction;
}
else
{
continue;
}
}
else
{
continue;
}
var widgetRuntimeTreeNode = (WidgetFunctionRuntimeTreeNode)FunctionTreeBuilder.Build(widgetFunctionMarkup);
widgetRuntimeTreeNode.Label = label;
widgetRuntimeTreeNode.HelpDefinition = new HelpDefinition(helptext);
widgetRuntimeTreeNode.BindingSourceName = bindingName;
var element = (XElement)widgetRuntimeTreeNode.GetValue();
_panelXml.Add(element);
}
}
if (_showPublicationStatusSelector && _dataTypeDescriptor.SuperInterfaces.Contains(typeof(IPublishControlled)))
{
var placeholder = new XElement(MainNamespace + "PlaceHolder");
_panelXml.Remove();
placeholder.Add(_panelXml);
layout.Add(placeholder);
var publishFieldsXml = new XElement(MainNamespace + "FieldGroup", new XAttribute("Label", Texts.PublicationSettings_FieldGroupLabel));
placeholder.Add(publishFieldsXml);
var publicationStatusOptionsBinding = new XElement(CmsNamespace + FormKeyTagNames.Binding,
new XAttribute("name", PublicationStatusOptionsBindingName),
new XAttribute("type", typeof(object)));
_bindingsXml.Add(publicationStatusOptionsBinding);
var element =
new XElement(MainNamespace + "KeySelector",
new XAttribute("OptionsKeyField", "Key"),
new XAttribute("OptionsLabelField", "Value"),
new XAttribute("Label", Texts.PublicationStatus_Label),
new XAttribute("Help", Texts.PublicationStatus_Help),
new XElement(MainNamespace + "KeySelector.Selected",
new XElement(CmsNamespace + "bind", new XAttribute("source", PublicationStatusBindingName))),
new XElement(MainNamespace + "KeySelector.Options",
new XElement(CmsNamespace + "read", new XAttribute("source", PublicationStatusOptionsBindingName)))
);
publishFieldsXml.Add(element);
var publishDateBinding = new XElement(CmsNamespace + FormKeyTagNames.Binding,
new XAttribute("name", "PublishDate"),
new XAttribute("type", typeof(DateTime)),
new XAttribute("optional", "true"));
_bindingsXml.Add(publishDateBinding);
publishFieldsXml.Add(
new XElement(MainNamespace + "DateTimeSelector",
new XAttribute("Label", Texts.PublishDate_Label),
new XAttribute("Help", Texts.PublishDate_Help),
new XElement(CmsNamespace + "bind",
new XAttribute("source", "PublishDate"))));
var unpublishDateBinding = new XElement(CmsNamespace + FormKeyTagNames.Binding,
new XAttribute("name", "UnpublishDate"),
new XAttribute("type", typeof(DateTime)),
new XAttribute("optional", "true"));
_bindingsXml.Add(unpublishDateBinding);
publishFieldsXml.Add(
new XElement(MainNamespace + "DateTimeSelector",
new XAttribute("Label", Texts.UnpublishDate_Label),
new XAttribute("Help", Texts.UnpublishDate_Help),
new XElement(CmsNamespace + "bind",
new XAttribute("source", "UnpublishDate"))));
}
var formDefinition = new XElement(CmsFormElementTemplate);
formDefinition.Add(_bindingsXml);
formDefinition.Add(layout);
if (CustomFormDefinition == null)
{
_generatedForm = formDefinition.ToString();
}
else
{
if (_dataTypeDescriptor.SuperInterfaces.Contains(typeof(IPublishControlled)))
{
fieldNameToBindingNameMapper.Add("PublishDate", "PublishDate");
fieldNameToBindingNameMapper.Add("UnpublishDate", "UnpublishDate");
}
Func <XElement, IEnumerable <XAttribute> > getBindingsFunc =
doc => doc.Descendants(CmsNamespace + "binding").Attributes("name")
.Concat(doc.Descendants(CmsNamespace + "bind").Attributes("source"))
.Concat(doc.Descendants(CmsNamespace + "read").Attributes("source"));
// Validation
foreach (var bindingNameAttribute in getBindingsFunc(CustomFormDefinition.Root))
{
var bindingName = bindingNameAttribute.Value;
if (!IsNotFieldBinding(bindingName) && !fieldNameToBindingNameMapper.ContainsKey(bindingName))
{
throw new ParseDefinitionFileException("Invalid binding name '{0}'".FormatWith(bindingName), bindingNameAttribute);
}
}
var formDefinitionElement = new XElement(CustomFormDefinition.Root);
foreach (var bindingNameAttribute in getBindingsFunc(formDefinitionElement).Where(attr => !IsNotFieldBinding(attr.Value)))
{
bindingNameAttribute.Value = fieldNameToBindingNameMapper[bindingNameAttribute.Value];
}
if (!string.IsNullOrEmpty(FieldGroupLabel))
{
foreach (var fieldGroupElement in formDefinitionElement.Descendants(MainNamespace + "FieldGroup"))
{
if (fieldGroupElement.Attribute("Label") == null)
{
fieldGroupElement.Add(new XAttribute("Label", FieldGroupLabel));
}
}
}
_generatedForm = formDefinitionElement.ToString();
_panelXml = formDefinitionElement.Elements().Last().Elements().LastOrDefault();
}
}
/// <summary>
/// Executes functions that match the predicate recursively,
///
/// </summary>
/// <param name="element"></param>
/// <param name="functionContext"></param>
/// <param name="functionShouldBeExecuted">A predicate that defines whether a function should be executed based on its name.</param>
/// <returns><value>True</value> if all of the functions has matched the predicate</returns>
internal static bool ExecuteFunctionsRec(
XElement element,
FunctionContextContainer functionContext,
Predicate <string> functionShouldBeExecuted = null)
{
if (element.Name != XName_function)
{
var children = element.Elements();
if (element.Elements(XName_function).Any())
{
// Allows replacing the function elements without breaking the iterator
children = children.ToList();
}
bool allChildrenExecuted = true;
foreach (var childElement in children)
{
if (!ExecuteFunctionsRec(childElement, functionContext, functionShouldBeExecuted))
{
allChildrenExecuted = false;
}
}
return(allChildrenExecuted);
}
bool allRecFunctionsExecuted = true;
string functionName = (string)element.Attribute("name");
object result;
try
{
// Evaluating function calls in parameters
IEnumerable <XElement> parameters = element.Elements();
bool allParametersEvaluated = true;
foreach (XElement parameterNode in parameters.ToList())
{
if (!ExecuteFunctionsRec(parameterNode, functionContext, functionShouldBeExecuted))
{
allParametersEvaluated = false;
}
}
if (!allParametersEvaluated)
{
return(false);
}
if (functionShouldBeExecuted != null &&
!functionShouldBeExecuted(functionName))
{
return(false);
}
// Executing a function call
BaseRuntimeTreeNode runtimeTreeNode = FunctionTreeBuilder.Build(element);
result = runtimeTreeNode.GetValue(functionContext);
if (result != null)
{
// Evaluating functions in a result of a function call
result = functionContext.MakeXEmbedable(result);
foreach (XElement xelement in GetXElements(result).ToList())
{
if (!ExecuteFunctionsRec(xelement, functionContext, functionShouldBeExecuted))
{
allRecFunctionsExecuted = false;
}
}
}
}
catch (Exception ex)
{
using (Profiler.Measure("PageRenderer. Logging exception: " + ex.Message))
{
XElement errorBoxHtml;
if (!functionContext.ProcessException(functionName, ex, LogTitle, out errorBoxHtml))
{
throw;
}
result = errorBoxHtml;
}
}
ReplaceFunctionWithResult(element, result);
return(allRecFunctionsExecuted);
}
protected override void OnInitialize()
{
//MRJ: DSLTree: FunctionElementGeneratorTreeNode: More validaion here
//MRJ: DSLTree: FunctionElementGeneratorTreeNode: What kind of return type should the function have?
_functionNode = FunctionTreeBuilder.Build(this.FunctionMarkup);
}
/// <exclude />
public static void ExecuteEmbeddedFunctions(XElement element, FunctionContextContainer contextContainer)
{
using (TimerProfilerFacade.CreateTimerProfiler())
{
IEnumerable <XElement> functionCallDefinitions = element.DescendantsAndSelf(Namespaces.Function10 + "function")
.Where(f => !f.Ancestors(Namespaces.Function10 + "function").Any());
var functionCalls = functionCallDefinitions.ToList();
if (functionCalls.Count == 0)
{
return;
}
object[] functionExecutionResults = new object[functionCalls.Count];
for (int i = 0; i < functionCalls.Count; i++)
{
XElement functionCallDefinition = functionCalls[i];
string functionName = null;
object functionResult;
try
{
// Evaluating function calls in parameters
IEnumerable <XElement> parameters = functionCallDefinition.Elements();
foreach (XElement parameterNode in parameters)
{
ExecuteEmbeddedFunctions(parameterNode, contextContainer);
}
// Executing a function call
BaseRuntimeTreeNode runtimeTreeNode = FunctionTreeBuilder.Build(functionCallDefinition);
functionName = runtimeTreeNode.GetAllSubFunctionNames().FirstOrDefault();
object result = runtimeTreeNode.GetValue(contextContainer);
if (result != null)
{
// Evaluating functions in a result of a function call
object embedableResult = contextContainer.MakeXEmbedable(result);
foreach (XElement xelement in GetXElements(embedableResult))
{
ExecuteEmbeddedFunctions(xelement, contextContainer);
}
functionResult = embedableResult;
}
else
{
functionResult = null;
}
}
catch (Exception ex)
{
using (Profiler.Measure("PageRenderer. Loggin an exception"))
{
XElement errorBoxHtml;
if (!contextContainer.ProcessException(functionName, ex, LogTitle, out errorBoxHtml))
{
throw;
}
functionResult = errorBoxHtml;
}
}
functionExecutionResults[i] = functionResult;
}
;
// Applying changes
for (int i = 0; i < functionCalls.Count; i++)
{
XElement functionCall = functionCalls[i];
object functionCallResult = functionExecutionResults[i];
if (functionCallResult != null)
{
if (functionCallResult is XAttribute && functionCall.Parent != null)
{
functionCall.Parent.Add(functionCallResult);
functionCall.Remove();
}
else
{
functionCall.ReplaceWith(functionCallResult);
}
}
else
{
functionCall.Remove();
}
}
}
}
