/// <summary>
/// Parse a ProjectImportElement that is contained in an ImportGroup
/// </summary>
private ProjectImportElement ParseProjectImportElement(XmlElementWithLocation element, ProjectElementContainer parent)
{
ProjectErrorUtilities.VerifyThrowInvalidProject
(
parent is ProjectRootElement || parent is ProjectImportGroupElement,
element.Location,
"UnrecognizedParentElement",
parent,
element
);
ProjectXmlUtilities.VerifyThrowProjectAttributes(element, ValidAttributesOnImport);
ProjectXmlUtilities.VerifyThrowProjectRequiredAttribute(element, XMakeAttributes.project);
ProjectXmlUtilities.VerifyThrowProjectNoChildElements(element);
SdkReference sdk = null;
if (element.HasAttribute(XMakeAttributes.sdk))
{
sdk = new SdkReference(
ProjectXmlUtilities.GetAttributeValue(element, XMakeAttributes.sdk, nullIfNotExists: true),
ProjectXmlUtilities.GetAttributeValue(element, XMakeAttributes.sdkVersion, nullIfNotExists: true),
ProjectXmlUtilities.GetAttributeValue(element, XMakeAttributes.sdkMinimumVersion, nullIfNotExists: true));
}
return(new ProjectImportElement(element, parent, _project, sdk));
}
/// <summary>
/// Parse a ProjectItemElement
/// </summary>
private ProjectItemElement ParseProjectItemElement(XmlElementWithLocation element, ProjectItemGroupElement parent)
{
bool belowTarget = parent.Parent is ProjectTargetElement;
string itemType = element.Name;
string include = element.GetAttribute(XMakeAttributes.include);
string exclude = element.GetAttribute(XMakeAttributes.exclude);
string remove = element.GetAttribute(XMakeAttributes.remove);
string update = element.GetAttribute(XMakeAttributes.update);
var exclusiveItemOperation = "";
int exclusiveAttributeCount = 0;
if (element.HasAttribute(XMakeAttributes.include))
{
exclusiveAttributeCount++;
exclusiveItemOperation = XMakeAttributes.include;
}
if (element.HasAttribute(XMakeAttributes.remove))
{
exclusiveAttributeCount++;
exclusiveItemOperation = XMakeAttributes.remove;
}
if (element.HasAttribute(XMakeAttributes.update))
{
exclusiveAttributeCount++;
exclusiveItemOperation = XMakeAttributes.update;
}
// At most one of the include, remove, or update attributes may be specified
if (exclusiveAttributeCount > 1)
{
XmlAttributeWithLocation errorAttribute = remove.Length > 0 ? (XmlAttributeWithLocation)element.Attributes[XMakeAttributes.remove] : (XmlAttributeWithLocation)element.Attributes[XMakeAttributes.update];
ProjectErrorUtilities.ThrowInvalidProject(errorAttribute.Location, "InvalidAttributeExclusive");
}
// Include, remove, or update must be present unless inside a target
ProjectErrorUtilities.VerifyThrowInvalidProject(exclusiveAttributeCount == 1 || belowTarget, element.Location, "IncludeRemoveOrUpdate", exclusiveItemOperation, itemType);
// Exclude must be missing, unless Include exists
ProjectXmlUtilities.VerifyThrowProjectInvalidAttribute(exclude.Length == 0 || include.Length > 0, (XmlAttributeWithLocation)element.Attributes[XMakeAttributes.exclude]);
// If we have an Include attribute at all, it must have non-zero length
ProjectErrorUtilities.VerifyThrowInvalidProject(include.Length > 0 || element.Attributes[XMakeAttributes.include] == null, element.Location, "MissingRequiredAttribute", XMakeAttributes.include, itemType);
// If we have a Remove attribute at all, it must have non-zero length
ProjectErrorUtilities.VerifyThrowInvalidProject(remove.Length > 0 || element.Attributes[XMakeAttributes.remove] == null, element.Location, "MissingRequiredAttribute", XMakeAttributes.remove, itemType);
// If we have an Update attribute at all, it must have non-zero length
ProjectErrorUtilities.VerifyThrowInvalidProject(update.Length > 0 || element.Attributes[XMakeAttributes.update] == null, element.Location, "MissingRequiredAttribute", XMakeAttributes.update, itemType);
XmlUtilities.VerifyThrowProjectValidElementName(element);
ProjectErrorUtilities.VerifyThrowInvalidProject(!XMakeElements.ReservedItemNames.Contains(itemType), element.Location, "CannotModifyReservedItem", itemType);
ProjectItemElement item = new ProjectItemElement(element, parent, _project);
foreach (XmlAttributeWithLocation attribute in element.Attributes)
{
bool isKnownAttribute;
bool isValidMetadataNameInAttribute;
CheckMetadataAsAttributeName(attribute.Name, out isKnownAttribute, out isValidMetadataNameInAttribute);
if (!isKnownAttribute && !isValidMetadataNameInAttribute)
{
ProjectXmlUtilities.ThrowProjectInvalidAttribute(attribute);
}
else if (isValidMetadataNameInAttribute)
{
ProjectMetadataElement metadatum = _project.CreateMetadataElement(attribute.Name, attribute.Value);
metadatum.ExpressedAsAttribute = true;
metadatum.Parent = item;
item.AppendParentedChildNoChecks(metadatum);
}
}
foreach (XmlElementWithLocation childElement in ProjectXmlUtilities.GetVerifyThrowProjectChildElements(element))
{
ProjectMetadataElement metadatum = ParseProjectMetadataElement(childElement, item);
item.AppendParentedChildNoChecks(metadatum);
}
return(item);
}