/// <summary>
/// Returns list of namespaces that affect given result item (using blocks and namespaces declarations)
/// </summary>
private NamespacesList GetUsedNamespacesFor(CodeStringResultItem resultItem)
{
if (resultItem is NetStringResultItem)
{
CodeNamespace namespaceElement = (resultItem as NetStringResultItem).NamespaceElement;
if (namespaceElement == null) // no parent namespace - use source item as a key
{
if (!usedNamespacesCache.ContainsKey(resultItem.SourceItem))
{
usedNamespacesCache.Add(resultItem.SourceItem, namespaceElement.GetUsedNamespaces(resultItem.SourceItem));
}
return(usedNamespacesCache[resultItem.SourceItem]);
}
else // has parent namespace - used namespaces can differ, use the parent namespace as a key
{
if (!usedNamespacesCache.ContainsKey(namespaceElement))
{
usedNamespacesCache.Add(namespaceElement, namespaceElement.GetUsedNamespaces(resultItem.SourceItem));
if (usedNamespacesCache.ContainsKey(resultItem.SourceItem))
{
usedNamespacesCache[namespaceElement].AddRange(usedNamespacesCache[resultItem.SourceItem]);
}
}
return(usedNamespacesCache[namespaceElement]);
}
}
else if (resultItem is AspNetStringResultItem)
{
// in case of ASP .NET result items, always use source item as a key
if (!usedNamespacesCache.ContainsKey(resultItem.SourceItem))
{
usedNamespacesCache.Add(resultItem.SourceItem, (resultItem as AspNetStringResultItem).DeclaredNamespaces);
}
return(usedNamespacesCache[resultItem.SourceItem]);
}
else
{
throw new Exception("Unkown result item type.");
}
}
/// <summary>
/// Should return result item located in current selection point. Returns null in any case of errors and exceptions.
/// </summary>
public override VBCodeReferenceResultItem GetCodeReferenceResultItem()
{
if (currentCodeModel == null)
{
throw new Exception("Current document has no CodeModel.");
}
string text;
TextPoint startPoint;
string codeFunctionName;
string codeVariableName;
CodeElement2 codeClass;
TextSpan selectionSpan;
bool isConst;
object codeModelSource;
// get code block in which current selection point is located
bool ok = GetCodeBlockFromSelection(out text, out startPoint, out codeFunctionName, out codeVariableName, out codeClass, out selectionSpan, out isConst, out codeModelSource);
VBCodeReferenceResultItem result = null;
if (ok)
{
CodeNamespace codeNamespace = codeClass.GetNamespace();
// get list of all references in given code block
List <VBCodeReferenceResultItem> items = VBCodeReferenceLookuper.Instance.LookForReferences(currentDocument.ProjectItem, text, startPoint, currentDocument.ProjectItem.ContainingProject.GetResXItemsAround(false, true).CreateTrie(),
codeNamespace.GetUsedNamespaces(currentDocument.ProjectItem), false, currentDocument.ProjectItem.ContainingProject, null);
// select the reference located in current selection (if any)
foreach (VBCodeReferenceResultItem item in items)
{
if (item.ReplaceSpan.Contains(selectionSpan))
{
result = item;
result.SourceItem = currentDocument.ProjectItem;
result.CodeModelSource = codeModelSource;
break;
}
}
}
return(result);
}
/// <summary>
/// Get namespaces affecting this result item
/// </summary>
public override NamespacesList GetUsedNamespaces()
{
return(NamespaceElement.GetUsedNamespaces(SourceItem));
}