bool ScanDescription(IProgressStatus monitor, AddinDescription config, Assembly rootAssembly, AddinScanResult scanResult)
{
// First of all scan the main module
ArrayList assemblies = new ArrayList();
ArrayList asmFiles = new ArrayList();
ArrayList hostExtensionClasses = new ArrayList();
try {
// Add all data files to the ignore file list. It avoids scanning assemblies
// which are included as 'data' in an add-in.
foreach (string df in config.AllFiles)
{
string file = Path.Combine(config.BasePath, df);
scanResult.AddFileToIgnore(Util.GetFullPath(file));
}
foreach (string s in config.MainModule.Assemblies)
{
string asmFile = Path.Combine(config.BasePath, s);
asmFiles.Add(asmFile);
Assembly asm = Util.LoadAssemblyForReflection(asmFile);
assemblies.Add(asm);
scanResult.AddFileToIgnore(Util.GetFullPath(asmFile));
}
foreach (Assembly asm in assemblies)
{
ScanAssemblyAddinHeaders(config, asm, scanResult);
}
// The add-in id and version must be already assigned at this point
// Clean host data from the index. New data will be added.
if (scanResult.HostIndex != null)
{
scanResult.HostIndex.RemoveHostData(config.AddinId, config.AddinFile);
}
foreach (Assembly asm in assemblies)
{
ScanAssemblyContents(config, asm, hostExtensionClasses, scanResult);
}
} catch (Exception ex) {
ReportReflectionException(monitor, ex, config, scanResult);
return(false);
}
foreach (Type t in hostExtensionClasses)
{
RegisterHostTypeNode(config, t, assemblies);
}
// Extension node types may have child nodes declared as attributes. Find them.
Hashtable internalNodeSets = new Hashtable();
ArrayList setsCopy = new ArrayList();
setsCopy.AddRange(config.ExtensionNodeSets);
foreach (ExtensionNodeSet eset in setsCopy)
{
ScanNodeSet(config, eset, assemblies, internalNodeSets);
}
foreach (ExtensionPoint ep in config.ExtensionPoints)
{
ScanNodeSet(config, ep.NodeSet, assemblies, internalNodeSets);
}
// Now scan all modules
if (!config.IsRoot)
{
foreach (ModuleDescription mod in config.OptionalModules)
{
try {
assemblies.Clear();
asmFiles.Clear();
foreach (string s in mod.Assemblies)
{
string asmFile = Path.Combine(config.BasePath, s);
asmFiles.Add(asmFile);
Assembly asm = Util.LoadAssemblyForReflection(asmFile);
assemblies.Add(asm);
scanResult.AddFileToIgnore(Util.GetFullPath(asmFile));
}
foreach (Assembly asm in assemblies)
{
ScanAssemblyContents(config, asm, null, scanResult);
}
} catch (Exception ex) {
ReportReflectionException(monitor, ex, config, scanResult);
}
}
}
config.StoreFileInfo();
return(true);
}
public void ScanAddinsFile(IProgressStatus monitor, string file, string domain, AddinScanResult scanResult)
{
XmlTextReader r = null;
ArrayList directories = new ArrayList();
ArrayList directoriesWithSubdirs = new ArrayList();
try {
r = new XmlTextReader(new StreamReader(file));
r.MoveToContent();
if (r.IsEmptyElement)
{
return;
}
r.ReadStartElement();
r.MoveToContent();
while (r.NodeType != XmlNodeType.EndElement)
{
if (r.NodeType == XmlNodeType.Element && r.LocalName == "Directory")
{
string subs = r.GetAttribute("include-subdirs");
string sdom;
string share = r.GetAttribute("shared");
if (share == "true")
{
sdom = AddinDatabase.GlobalDomain;
}
else if (share == "false")
{
sdom = null;
}
else
{
sdom = domain; // Inherit the domain
}
string path = r.ReadElementString().Trim();
if (path.Length > 0)
{
if (subs == "true")
{
directoriesWithSubdirs.Add(new string[] { path, sdom });
}
else
{
directories.Add(new string[] { path, sdom });
}
}
}
else if (r.NodeType == XmlNodeType.Element && r.LocalName == "GacAssembly")
{
string aname = r.ReadElementString().Trim();
if (aname.Length > 0)
{
aname = Util.GetGacPath(aname);
if (aname != null)
{
// Gac assemblies always use the global domain
directories.Add(new string[] { aname, AddinDatabase.GlobalDomain });
}
}
}
else
{
r.Skip();
}
r.MoveToContent();
}
} catch (Exception ex) {
monitor.ReportError("Could not process addins file: " + file, ex);
return;
} finally {
if (r != null)
{
r.Close();
}
}
foreach (string[] d in directories)
{
string dir = d[0];
if (!Path.IsPathRooted(dir))
{
dir = Path.Combine(Path.GetDirectoryName(file), dir);
}
ScanFolder(monitor, dir, d[1], scanResult);
}
foreach (string[] d in directoriesWithSubdirs)
{
string dir = d[0];
if (!Path.IsPathRooted(dir))
{
dir = Path.Combine(Path.GetDirectoryName(file), dir);
}
ScanFolderRec(monitor, dir, d[1], scanResult);
}
}
public void ScanFolder(IProgressStatus monitor, string path, string domain, AddinScanResult scanResult)
{
path = Util.GetFullPath(path);
// Avoid folders including each other
if (!scanResult.VisitFolder(path))
{
return;
}
if (monitor.LogLevel > 1 && !scanResult.LocateAssembliesOnly)
{
monitor.Log("Checking: " + path);
}
AddinScanFolderInfo folderInfo;
if (!database.GetFolderInfoForPath(monitor, path, out folderInfo))
{
// folderInfo file was corrupt.
// Just in case, we are going to regenerate all relation data.
if (!Directory.Exists(path))
{
scanResult.RegenerateRelationData = true;
}
}
else
{
if (folderInfo == null && !Directory.Exists(path))
{
return;
}
}
// if domain is null it means that a new domain has to be created.
bool sharedFolder = domain == AddinDatabase.GlobalDomain;
if (folderInfo == null)
{
folderInfo = new AddinScanFolderInfo(path);
}
if (!sharedFolder && (folderInfo.SharedFolder || folderInfo.Domain != domain))
{
// If the folder already has a domain, reuse it
if (domain == null && folderInfo.RootsDomain != null && folderInfo.RootsDomain != AddinDatabase.GlobalDomain)
{
domain = folderInfo.RootsDomain;
}
else if (domain == null)
{
folderInfo.Domain = domain = database.GetUniqueDomainId();
scanResult.RegenerateRelationData = true;
}
else
{
folderInfo.Domain = domain;
scanResult.RegenerateRelationData = true;
}
}
else if (!folderInfo.SharedFolder && sharedFolder)
{
scanResult.RegenerateRelationData = true;
}
folderInfo.SharedFolder = sharedFolder;
if (Directory.Exists(path))
{
string[] files = Directory.GetFiles(path);
// First of all, look for .addin files. Addin files must be processed before
// assemblies, because they may add files to the ignore list (i.e., assemblies
// included in .addin files won't be scanned twice).
foreach (string file in files)
{
if (file.EndsWith(".addin.xml") || file.EndsWith(".addin"))
{
RegisterFileToScan(monitor, file, scanResult, folderInfo);
}
}
foreach (string file in files)
{
switch (Path.GetExtension(file))
{
case ".dll":
case ".exe":
RegisterFileToScan(monitor, file, scanResult, folderInfo);
scanResult.AddAssemblyLocation(file);
break;
case ".addins":
ScanAddinsFile(monitor, file, domain, scanResult);
break;
}
}
}
else if (!scanResult.LocateAssembliesOnly)
{
// The folder has been deleted. All add-ins defined in that folder should also be deleted.
scanResult.RegenerateRelationData = true;
scanResult.ChangesFound = true;
if (scanResult.CheckOnly)
{
return;
}
database.DeleteFolderInfo(monitor, folderInfo);
}
if (scanResult.LocateAssembliesOnly)
{
return;
}
// Look for deleted add-ins.
UpdateDeletedAddins(monitor, folderInfo, scanResult);
}
public void ScanFile(IProgressStatus monitor, string file, AddinScanFolderInfo folderInfo, AddinScanResult scanResult)
{
if (scanResult.IgnoreFile(file))
{
// The file must be ignored. Maybe it caused a crash in a previous scan, or it
// might be included by a .addin file (in which case it will be scanned when processing
// the .addin file).
folderInfo.SetLastScanTime(file, null, false, File.GetLastWriteTime(file), true);
return;
}
if (monitor.LogLevel > 1)
{
monitor.Log("Scanning file: " + file);
}
// Log the file to be scanned, so in case of a process crash the main process
// will know what crashed
monitor.Log("plog:scan:" + 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 = database.GetAddinDescription(monitor, folderInfo.Domain, 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.IsAddin && fi.AddinId != config.AddinId)
{
database.UninstallAddin(monitor, folderInfo.Domain, 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)
{
// Assign the domain
if (config.IsRoot)
{
if (folderInfo.RootsDomain == null)
{
folderInfo.RootsDomain = database.GetUniqueDomainId();
}
config.Domain = folderInfo.RootsDomain;
}
else
{
config.Domain = folderInfo.Domain;
}
if (config.IsRoot && scanResult.HostIndex != null)
{
// If the add-in is a root, register its assemblies
foreach (string f in config.MainModule.Assemblies)
{
string asmFile = Path.Combine(config.BasePath, f);
scanResult.HostIndex.RegisterAssembly(asmFile, config.AddinId, config.AddinFile, config.Domain);
}
}
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);
monitor.Log("plog:endscan");
}
}