/// <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);
}
ProjectErrorUtilities.VerifyThrowInvalidProject(foundWhen, element.Location, "ChooseMustContainWhen");
return(choose);
}
/// <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 ProjectWhenElement
/// </summary>
private ProjectWhenElement ParseProjectWhenElement(XmlElementWithLocation element, ProjectChooseElement parent, int nestingDepth)
{
ProjectXmlUtilities.VerifyThrowProjectRequiredAttribute(element, XMakeAttributes.condition);
ProjectWhenElement when = new ProjectWhenElement(element, parent, _project);
ParseWhenOtherwiseChildren(element, when, nestingDepth);
return(when);
}
/// <summary>
/// Initialize a parented ProjectWhenElement
/// </summary>
internal ProjectWhenElement(XmlElement xmlElement, ProjectChooseElement parent, ProjectRootElement containingProject)
: base(xmlElement, parent, containingProject)
{
ErrorUtilities.VerifyThrowArgumentNull(parent, nameof(parent));
}