private static ProjectReferenceNode GetProjectReferenceOnNodeForHierarchy(IList <ReferenceNode> references, IVsHierarchy inputHierarchy)
{
if (references == null)
{
return(null);
}
Guid projectGuid;
ErrorHandler.ThrowOnFailure(inputHierarchy.GetGuidProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectIDGuid, out projectGuid));
string canonicalName;
ErrorHandler.ThrowOnFailure(inputHierarchy.GetCanonicalName(VSConstants.VSITEMID_ROOT, out canonicalName));
foreach (ReferenceNode refNode in references)
{
ProjectReferenceNode projRefNode = refNode as ProjectReferenceNode;
if (projRefNode != null)
{
if (projRefNode.ReferencedProjectGuid == projectGuid)
{
return(projRefNode);
}
// Try with canonical names, if the project that is removed is an unloaded project than the above criteria will not pass.
if (!String.IsNullOrEmpty(projRefNode.Url) && NativeMethods.IsSamePath(projRefNode.Url, canonicalName))
{
return(projRefNode);
}
}
}
return(null);
}
/// <summary>
/// Recursively search if this project reference guid is in cycle.
/// </summary>
private bool IsReferenceInCycle(Guid projectGuid)
{
IVsHierarchy hierarchy = VsShellUtilities.GetHierarchy(this.ProjectMgr.Site, projectGuid);
IReferenceContainerProvider provider = hierarchy as IReferenceContainerProvider;
if (provider != null)
{
IReferenceContainer referenceContainer = provider.GetReferenceContainer();
Debug.Assert(referenceContainer != null, "Could not found the References virtual node");
foreach (ReferenceNode refNode in referenceContainer.EnumReferences())
{
ProjectReferenceNode projRefNode = refNode as ProjectReferenceNode;
if (projRefNode != null)
{
if (projRefNode.ReferencedProjectGuid == this.ProjectMgr.ProjectIDGuid)
{
return(true);
}
if (this.IsReferenceInCycle(projRefNode.ReferencedProjectGuid))
{
return(true);
}
}
}
}
return(false);
}
private List <ProjectReferenceNode> GetProjectReferencesContainingThisProject(IVsHierarchy inputHierarchy)
{
List <ProjectReferenceNode> projectReferences = new List <ProjectReferenceNode>();
if (this.Solution == null || inputHierarchy == null)
{
return(projectReferences);
}
uint flags = (uint)(__VSENUMPROJFLAGS.EPF_ALLPROJECTS | __VSENUMPROJFLAGS.EPF_LOADEDINSOLUTION);
Guid enumOnlyThisType = Guid.Empty;
IEnumHierarchies enumHierarchies = null;
ThreadHelper.ThrowIfNotOnUIThread();
ErrorHandler.ThrowOnFailure(this.Solution.GetProjectEnum(flags, ref enumOnlyThisType, out enumHierarchies));
Debug.Assert(enumHierarchies != null, "Could not get list of hierarchies in solution");
IVsHierarchy[] hierarchies = new IVsHierarchy[1];
uint fetched;
int returnValue = VSConstants.S_OK;
do
{
returnValue = enumHierarchies.Next(1, hierarchies, out fetched);
Debug.Assert(fetched <= 1, "We asked one project to be fetched VSCore gave more than one. We cannot handle that");
if (returnValue == VSConstants.S_OK && fetched == 1)
{
IVsHierarchy hierarchy = hierarchies[0];
Debug.Assert(hierarchy != null, "Could not retrieve a hierarchy");
IReferenceContainerProvider provider = hierarchy as IReferenceContainerProvider;
if (provider != null)
{
IReferenceContainer referenceContainer = provider.GetReferenceContainer();
Debug.Assert(referenceContainer != null, "Could not found the References virtual node");
ProjectReferenceNode projectReferenceNode = GetProjectReferenceOnNodeForHierarchy(referenceContainer.EnumReferences(), inputHierarchy);
if (projectReferenceNode != null)
{
projectReferences.Add(projectReferenceNode);
}
}
}
} while(returnValue == VSConstants.S_OK && fetched == 1);
return(projectReferences);
}
private static ProjectReferenceNode GetProjectReferenceOnNodeForHierarchy(IList <ReferenceNode> references, IVsHierarchy inputHierarchy)
{
if (references == null)
{
return(null);
}
Guid projectGuid;
// !EFW - This is an odd one. Open a file not contained within a project in the active solution and
// then close it. When you do, this method is called and it fails here. The file is hosted in the
// Miscellaneous Files hierarchy. In such cases, we'll just ignore it and return null.
if (inputHierarchy.GetGuidProperty(VSConstants.VSITEMID_ROOT,
(int)__VSHPROPID.VSHPROPID_ProjectIDGuid, out projectGuid) != VSConstants.S_OK)
{
return(null);
}
string canonicalName;
ErrorHandler.ThrowOnFailure(inputHierarchy.GetCanonicalName(VSConstants.VSITEMID_ROOT, out canonicalName));
foreach (ReferenceNode refNode in references)
{
ProjectReferenceNode projRefNode = refNode as ProjectReferenceNode;
if (projRefNode != null)
{
if (projRefNode.ReferencedProjectGuid == projectGuid)
{
return(projRefNode);
}
// Try with canonical names, if the project that is removed is an unloaded project that the
// above criteria will not pass.
if (!String.IsNullOrEmpty(projRefNode.Url) && NativeMethods.IsSamePath(projRefNode.Url, canonicalName))
{
return(projRefNode);
}
}
}
return(null);
}
public ProjectReferencesProperties(ProjectReferenceNode node)
: base(node)
{
}
public ProjectReferencesProperties(ProjectReferenceNode node)
: base(node)
{
}