/// <summary>
/// Creates a new node provider
/// </summary>
/// <param name="parser"></param>
/// <param name="buffer">buffer to watch</param>
public NodeProvider(ProjectHandler project, string filename, TypeResolver type_resolver)
{
Project = project;
this.type_resolver = type_resolver;
Filename = filename;
// we need to run rebuildNodes on a separate thread. Using timer
// for this seems to be an overkill, but we need the timer anyway so - why not
parserTimer =
new Timer(rebuildNodes, null, 0, Timeout.Infinite);
}
/// <summary>
/// Retrieves or creates a node provider for a buffer
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public NodeProvider GetNodeProvider(ITextBuffer buffer)
{
NodeProvider provider;
if (!buffer.Properties.TryGetProperty(typeof(NodeProvider), out provider))
{
var adapter = editorFactoryService.GetBufferAdapter(buffer);
string filename;
uint format;
ErrorHandler.ThrowOnFailure(((IPersistFileFormat)adapter).GetCurFile(out filename, out format));
IVsHierarchy hier;
uint itemId;
IntPtr docData;
uint cookie;
GlobalServices.RDT.FindAndLockDocument((uint)_VSRDTFLAGS.RDT_NoLock, filename, out hier, out itemId, out docData, out cookie);
if (IntPtr.Zero != docData)
{
Marshal.Release(docData);
}
object objDirectory;
ErrorHandler.ThrowOnFailure(hier.GetProperty((uint)VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ProjectDir, out objDirectory));
var project_directory = (string)objDirectory;
ProjectHandler project;
lock (projects)
{
if (!projects.TryGetValue(project_directory, out project))
{
project = new ProjectHandler(this, template_directory, tags, filters, project_directory);
projects.Add(project_directory, project);
}
}
provider = project.GetNodeProvider(project_directory, buffer, hier, filename);
}
return(provider);
}