/// <summary>
/// Finds all references to resources (except the definition) using the specified
/// <see cref="IResourceReferenceFinder"/> object.
/// </summary>
/// <param name="finder">The <see cref="IResourceReferenceFinder"/> to use to find resource references.</param>
/// <param name="monitor">An object implementing <see cref="IProgressMonitor"/> to report the progress of the operation. Can be <c>null</c>.</param>
/// <param name="scope">The scope which should be searched.</param>
/// <returns>A list of references to resources.</returns>
public static List <Reference> FindReferences(IResourceReferenceFinder finder, IProgressMonitor monitor, SearchScope scope)
{
if (finder == null)
{
throw new ArgumentNullException("finder");
}
if (ParserService.LoadSolutionProjectsThreadRunning)
{
if (monitor != null)
{
monitor.ShowingDialog = true;
}
MessageService.ShowMessage("${res:SharpDevelop.Refactoring.LoadSolutionProjectsThreadRunning}");
if (monitor != null)
{
monitor.ShowingDialog = false;
}
return(null);
}
DateTime startTime = DateTime.UtcNow;
List <Reference> references = new List <Reference>();
try {
NRefactoryAstCacheService.EnableCache();
ICollection <string> files = GetPossibleFiles(scope);
if (monitor != null)
{
monitor.BeginTask("${res:SharpDevelop.Refactoring.FindingReferences}", files.Count, true);
}
foreach (string fileName in files)
{
if (monitor != null && monitor.IsCancelled)
{
return(null);
}
IDocument doc = null;
try {
// The following line throws an exception if the file does not exist.
// But the file may be in an unsaved view content (which would be found by GetDocumentInformation),
// so we cannot simply loop on !File.Exists(...).
doc = FindReferencesAndRenameHelper.GetDocumentInformation(fileName).CreateDocument();
} catch (FileNotFoundException) {
}
if (doc == null)
{
if (monitor != null)
{
++monitor.WorkDone;
}
continue;
}
string fileContent = doc.TextContent;
if (String.IsNullOrEmpty(fileContent))
{
if (monitor != null)
{
++monitor.WorkDone;
}
continue;
}
int pos = -1;
while ((pos = finder.GetNextPossibleOffset(fileName, fileContent, pos)) >= 0)
{
TextLocation docPos = doc.OffsetToPosition(pos);
ResourceResolveResult rrr = ResourceResolverService.Resolve(fileName, doc, docPos.Y, docPos.X, null);
if (rrr != null && rrr.ResourceFileContent != null)
{
if (finder.IsReferenceToResource(rrr))
{
if (rrr.Key != null)
{
// The actual location of the key string may be after 'pos' because
// the resolvers may find an expression just before it.
string keyString = rrr.Key;
int keyPos = fileContent.IndexOf(keyString, pos, StringComparison.OrdinalIgnoreCase);
if (keyPos < pos)
{
// The key may be escaped in some way in the document.
// Try using the code generator to find this out.
keyPos = FindStringLiteral(fileName, fileContent, rrr.Key, pos, out keyString);
}
if (keyPos < pos)
{
if (monitor != null)
{
monitor.ShowingDialog = true;
}
MessageService.ShowWarning("ResourceToolkit: The key '" + rrr.Key + "' could not be located at the resolved position in the file '" + fileName + "'.");
if (monitor != null)
{
monitor.ShowingDialog = false;
}
}
else
{
references.Add(new Reference(fileName, keyPos, keyString.Length, keyString, rrr));
}
}
else
{
references.Add(new Reference(fileName, pos, 0, null, rrr));
}
}
}
}
if (monitor != null)
{
++monitor.WorkDone;
}
}
LoggingService.Info("ResourceToolkit: FindReferences finished in " + (DateTime.UtcNow - startTime).TotalSeconds.ToString(System.Globalization.CultureInfo.CurrentCulture) + "s");
} finally {
NRefactoryAstCacheService.DisableCache();
if (monitor != null)
{
monitor.Done();
}
}
return(references);
}
public void AstCacheEnableTwice()
{
NRefactoryAstCacheService.EnableCache();
NRefactoryAstCacheService.EnableCache();
}