public static IEnumerable <BaseInfo> GetCompletionInfos(
MSBuildResolveResult rr,
TriggerState trigger, MSBuildValueKind kind,
ExpressionNode triggerExpression, int triggerLength,
MSBuildRootDocument doc)
{
switch (trigger)
{
case TriggerState.Value:
return(MSBuildCompletionExtensions.GetValueCompletions(kind, doc, rr));
case TriggerState.Item:
return(doc.GetItems());
case TriggerState.Metadata:
return(doc.GetMetadata(null, true));
case TriggerState.Property:
return(doc.GetProperties(true));
case TriggerState.MetadataOrItem:
return(((IEnumerable <BaseInfo>)doc.GetItems()).Concat(doc.GetMetadata(null, true)));
case TriggerState.DirectorySeparator:
return(MSBuildCompletionExtensions.GetFilenameCompletions(kind, doc, triggerExpression, triggerLength));;
case TriggerState.MethodName:
return(FunctionCompletion.GetMethodNameCompletions(triggerExpression));
}
throw new InvalidOperationException();
}
public static MSBuildNavigationResult GetNavigation(
MSBuildRootDocument doc, DocumentLocation location, MSBuildResolveResult rr)
{
if (rr == null)
{
return(null);
}
//HACK: we should really use the ITextSource directly, but since the XML parser positions are
//currently line/col, we need a TextDocument to convert to offsets
var textDocument = doc.Text as IReadonlyTextDocument
?? TextEditorFactory.CreateNewReadonlyDocument(
doc.Text, doc.Filename, MSBuildTextEditorExtension.MSBuildMimeType
);
var annotations = GetAnnotationsAtLocation <NavigationAnnotation> (doc, location);
var firstAnnotation = annotations.FirstOrDefault();
if (firstAnnotation != null)
{
var beginOffset = textDocument.LocationToOffset(firstAnnotation.Region.Begin);
var endOffset = textDocument.LocationToOffset(firstAnnotation.Region.End);
return(new MSBuildNavigationResult(
annotations.Select(a => a.Path).ToArray(), beginOffset, endOffset - beginOffset + 1
));
}
if (rr.ReferenceKind == MSBuildReferenceKind.Target)
{
return(new MSBuildNavigationResult(
MSBuildReferenceKind.Target, (string)rr.Reference, rr.ReferenceOffset, rr.ReferenceLength
));
}
if (rr.ReferenceKind == MSBuildReferenceKind.FileOrFolder)
{
return(new MSBuildNavigationResult(
(string[])rr.Reference, rr.ReferenceOffset, rr.ReferenceLength
));
}
if (rr.ReferenceKind == MSBuildReferenceKind.Task)
{
var task = doc.GetTask((string)rr.Reference);
if (task.DeclaredInFile != null)
{
return(new MSBuildNavigationResult(
MSBuildReferenceKind.Task, (string)rr.Reference, rr.ReferenceOffset, rr.ReferenceLength,
task.DeclaredInFile, task.DeclaredAtLocation
));
}
}
return(null);
}
public static bool CanNavigate(MSBuildRootDocument doc, DocumentLocation location, MSBuildResolveResult rr)
{
if (rr == null)
{
return(false);
}
var annotations = GetAnnotationsAtLocation <NavigationAnnotation> (doc, location);
if (annotations != null && annotations.Any())
{
return(true);
}
if (rr.ReferenceKind == MSBuildReferenceKind.Target)
{
return(true);
}
if (rr.ReferenceKind == MSBuildReferenceKind.FileOrFolder)
{
return(true);
}
return(false);
}
public static bool IsCondition(this MSBuildResolveResult rr)
{
return(rr.LanguageAttribute != null && rr.LanguageAttribute.ValueKind == MSBuildValueKind.Condition);
}
public static MSBuildResolveResult Resolve(
XmlParser parser, IReadonlyTextDocument document, MSBuildDocument context)
{
int offset = parser.Position;
//clones and connects nodes to their parents
parser = parser.GetTreeParser();
var nodePath = parser.Nodes.ToList();
nodePath.Reverse();
//capture incomplete names, attributes and element values
int i = offset;
if (parser.CurrentState is XmlRootState && parser.Nodes.Peek() is XElement unclosedEl)
{
while (i < document.Length && InRootOrClosingTagState() && !unclosedEl.IsClosed)
{
parser.Push(document.GetCharAt(i++));
}
}
else
{
while (i < document.Length && InNameOrAttributeState())
{
parser.Push(document.GetCharAt(i++));
}
}
//if nodes are incomplete, they won't get connected
//HACK: the only way to reconnect them is reflection
if (nodePath.Count > 1)
{
for (int idx = 1; idx < nodePath.Count; idx++)
{
var node = nodePath [idx];
if (node.Parent == null)
{
var parent = nodePath [idx - 1];
ParentProp.SetValue(node, parent);
}
}
}
//need to look up element by walking how the path, since at each level, if the parent has special children,
//then that gives us information to identify the type of its children
MSBuildLanguageElement languageElement = null;
MSBuildLanguageAttribute languageAttribute = null;
XElement el = null;
XAttribute att = null;
foreach (var node in nodePath)
{
if (node is XAttribute xatt && xatt.Name.Prefix == null)
{
att = xatt;
languageAttribute = languageElement?.GetAttribute(att.Name.Name);
break;
}
//if children of parent is known to be arbitrary data, don't go into it
if (languageElement != null && languageElement.ValueKind == MSBuildValueKind.Data)
{
break;
}
//code completion is forgiving, all we care about best guess resolve for deepest child
if (node is XElement xel && xel.Name.Prefix == null)
{
el = xel;
languageElement = MSBuildLanguageElement.Get(el.Name.Name, languageElement);
if (languageElement != null)
{
continue;
}
}
languageElement = null;
}
if (languageElement == null)
{
return(null);
}
var rr = new MSBuildResolveResult {
LanguageElement = languageElement,
LanguageAttribute = languageAttribute,
XElement = el,
XAttribute = att
};
var rv = new MSBuildResolveVisitor(offset, rr);
rv.Run(el, languageElement, document.FileName, document, context);
return(rr);
bool InNameOrAttributeState() =>
parser.CurrentState is XmlNameState ||
parser.CurrentState is XmlAttributeState ||
parser.CurrentState is XmlAttributeValueState;
bool InRootOrClosingTagState() =>
parser.CurrentState is XmlRootState ||
parser.CurrentState is XmlNameState ||
parser.CurrentState is XmlClosingTagState;
}
public MSBuildResolveVisitor(int offset, MSBuildResolveResult rr)
{
this.offset = offset;
this.rr = rr;
}
