public void ScanFile(IProgressStatus monitor, string file, AddinScanFolderInfo folderInfo, AddinScanResult scanResult) { if (monitor.VerboseLog) { monitor.Log("Scanning file: " + file); } string scannedAddinId = null; bool scannedIsRoot = false; bool scanSuccessful = false; try { string ext = Path.GetExtension(file); AddinDescription config = null; if (ext == ".dll" || ext == ".exe") { scanSuccessful = ScanAssembly(monitor, file, scanResult, out config); } else { scanSuccessful = ScanConfigAssemblies(monitor, file, scanResult, out config); } if (config != null) { AddinFileInfo fi = folderInfo.GetAddinFileInfo(file); // If version is not specified, make up one if (config.Version.Length == 0) { config.Version = "0.0.0.0"; } if (config.LocalId.Length == 0) { // Generate an internal id for this add-in config.LocalId = database.GetUniqueAddinId(file, (fi != null ? fi.AddinId : null), config.Namespace, config.Version); config.HasUserId = false; } // Check errors in the description StringCollection errors = config.Verify(); if (database.IsGlobalRegistry && config.AddinId.IndexOf('.') == -1) { errors.Add("Add-ins registered in the global registry must have a namespace."); } if (errors.Count > 0) { scanSuccessful = false; monitor.ReportError("Errors found in add-in '" + file + ":", null); foreach (string err in errors) { monitor.ReportError(err, null); } } // Make sure all extensions sets are initialized with the correct add-in id config.SetExtensionsAddinId(config.AddinId); scanResult.ChangesFound = true; // If the add-in already existed, try to reuse the relation data it had. // Also, the dependencies of the old add-in need to be re-analized AddinDescription existingDescription = null; bool res; if (config.IsRoot) { res = database.GetHostDescription(monitor, config.AddinId, config.AddinFile, out existingDescription); } else { res = database.GetAddinDescription(monitor, config.AddinId, out existingDescription); } // If we can't get information about the old assembly, just regenerate all relation data if (!res) { scanResult.RegenerateRelationData = true; } string replaceFileName = null; if (existingDescription != null) { // Reuse old relation data config.MergeExternalData(existingDescription); Util.AddDependencies(existingDescription, scanResult); replaceFileName = existingDescription.FileName; } // If the scanned file results in an add-in version different from the one obtained from // previous scans, the old add-in needs to be uninstalled. if (fi != null && fi.AddinId != null && fi.AddinId != config.AddinId) { if (fi.IsRoot) { database.UninstallRootAddin(monitor, fi.AddinId, file, scanResult); } else { database.UninstallAddin(monitor, fi.AddinId, scanResult); } // If the add-in version has changed, regenerate everything again since old data can't be reused if (Addin.GetIdName(fi.AddinId) == Addin.GetIdName(config.AddinId)) { scanResult.RegenerateRelationData = true; } } // If a description could be generated, save it now (if the scan was successful) if (scanSuccessful) { if (database.SaveDescription(monitor, config, replaceFileName)) { // The new dependencies also have to be updated Util.AddDependencies(config, scanResult); scanResult.AddAddinToUpdateRelations(config.AddinId); scannedAddinId = config.AddinId; scannedIsRoot = config.IsRoot; return; } } } } catch (Exception ex) { monitor.ReportError("Unexpected error while scanning file: " + file, ex); } finally { folderInfo.SetLastScanTime(file, scannedAddinId, scannedIsRoot, File.GetLastWriteTime(file), !scanSuccessful); } }