/// <summary>
/// Parse a UsingTaskParameterGroupElement from the element
/// </summary>
private UsingTaskParameterGroupElement ParseUsingTaskParameterGroupElement(XmlElementWithLocation element, ProjectElementContainer parent)
{
// There should be no attributes
ProjectXmlUtilities.VerifyThrowProjectNoAttributes(element);
UsingTaskParameterGroupElement parameterGroup = new UsingTaskParameterGroupElement(element, parent, _project);
HashSet <String> listOfChildElementNames = new HashSet <string>();
foreach (XmlElementWithLocation childElement in ProjectXmlUtilities.GetVerifyThrowProjectChildElements(element))
{
// The parameter already exists this means there is a duplicate child item. Throw an exception.
if (listOfChildElementNames.Contains(childElement.Name))
{
ProjectXmlUtilities.ThrowProjectInvalidChildElementDueToDuplicate(childElement);
}
else
{
ProjectUsingTaskParameterElement parameter = ParseUsingTaskParameterElement(childElement, parameterGroup);
parameterGroup.AppendParentedChildNoChecks(parameter);
// Add the name of the child element to the hashset so we can check for a duplicate child element
listOfChildElementNames.Add(childElement.Name);
}
}
return(parameterGroup);
}
/// <summary>
/// Parse a ProjectOtherwiseElement
/// </summary>
private ProjectOtherwiseElement ParseProjectOtherwiseElement(XmlElementWithLocation element, ProjectChooseElement parent, int nestingDepth)
{
ProjectXmlUtilities.VerifyThrowProjectNoAttributes(element);
ProjectOtherwiseElement otherwise = new ProjectOtherwiseElement(element, parent, _project);
ParseWhenOtherwiseChildren(element, otherwise, nestingDepth);
return(otherwise);
}
/// <summary>
/// Parse a ProjectExtensionsElement
/// </summary>
private ProjectExtensionsElement ParseProjectExtensionsElement(XmlElementWithLocation element)
{
// ProjectExtensions are only found in the main project file - in fact, the code used to ignore them in imported
// files. We don't.
ProjectXmlUtilities.VerifyThrowProjectNoAttributes(element);
ProjectErrorUtilities.VerifyThrowInvalidProject(!_seenProjectExtensions, element.Location, "DuplicateProjectExtensions");
_seenProjectExtensions = true;
// All children inside ProjectExtensions are ignored, since they are only part of its value
return(new ProjectExtensionsElement(element, _project, _project));
}
/// <summary>
/// Parse a ProjectChooseElement
/// </summary>
private ProjectChooseElement ParseProjectChooseElement(XmlElementWithLocation element, ProjectElementContainer parent, int nestingDepth)
{
ProjectXmlUtilities.VerifyThrowProjectNoAttributes(element);
ProjectChooseElement choose = new ProjectChooseElement(element, parent, _project);
nestingDepth++;
ProjectErrorUtilities.VerifyThrowInvalidProject(nestingDepth <= MaximumChooseNesting, element.Location, "ChooseOverflow", MaximumChooseNesting);
bool foundWhen = false;
bool foundOtherwise = false;
foreach (XmlElementWithLocation childElement in ProjectXmlUtilities.GetVerifyThrowProjectChildElements(element))
{
ProjectElement child = null;
switch (childElement.Name)
{
case XMakeElements.when:
ProjectErrorUtilities.VerifyThrowInvalidProject(!foundOtherwise, childElement.Location, "WhenNotAllowedAfterOtherwise");
child = ParseProjectWhenElement(childElement, choose, nestingDepth);
foundWhen = true;
break;
case XMakeElements.otherwise:
ProjectErrorUtilities.VerifyThrowInvalidProject(!foundOtherwise, childElement.Location, "MultipleOtherwise");
foundOtherwise = true;
child = ParseProjectOtherwiseElement(childElement, choose, nestingDepth);
break;
default:
ProjectXmlUtilities.ThrowProjectInvalidChildElement(childElement.Name, element.Name, element.Location);
break;
}
choose.AppendParentedChildNoChecks(child);
}
nestingDepth--;
ProjectErrorUtilities.VerifyThrowInvalidProject(foundWhen, element.Location, "ChooseMustContainWhen");
return(choose);
}
