void VisitFolderInternal(IProgressStatus monitor, string path, string domain, bool recursive)
{
// Avoid folders including each other
if (!visitedFolders.Add(path) || ScanContext.IgnorePath(path))
{
return;
}
OnVisitFolder(monitor, path, domain, recursive);
}
protected virtual void OnVisitFolder(IProgressStatus monitor, string path, string domain, bool recursive)
{
if (!FileSystem.DirectoryExists(path))
{
return;
}
var files = FileSystem.GetFiles(path).ToArray();
// First of all scan .addins files, since they can contain exclude paths.
// Only extract the information, don't follow directory inclusions yet
List <AddinsEntry> addinsFileEntries = new List <AddinsEntry>();
foreach (string file in files)
{
if (Path.GetExtension(file).EndsWith(".addins", StringComparison.Ordinal))
{
addinsFileEntries.AddRange(ParseAddinsFile(monitor, file, domain));
}
}
// Now 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 (!ScanContext.IgnorePath(file) && (file.EndsWith(".addin.xml", StringComparison.Ordinal) || file.EndsWith(".addin", StringComparison.Ordinal)))
{
OnVisitAddinManifestFile(monitor, file);
}
}
// Now scan assemblies. They can also add files to the ignore list.
foreach (string file in files)
{
if (!ScanContext.IgnorePath(file))
{
string ext = Path.GetExtension(file).ToLower();
if (ext == ".dll" || ext == ".exe")
{
OnVisitAssemblyFile(monitor, file);
}
}
}
// Follow .addins file inclusions
foreach (var entry in addinsFileEntries)
{
string dir = entry.Folder;
if (!Path.IsPathRooted(dir))
{
dir = Path.GetFullPath(Path.Combine(path, entry.Folder));
}
VisitFolderInternal(monitor, dir, entry.Domain, entry.Recursive);
}
// Scan subfolders
if (recursive)
{
foreach (string sd in FileSystem.GetDirectories(path))
{
VisitFolderInternal(monitor, sd, domain, true);
}
}
}
List <AddinsEntry> ParseAddinsFile(IProgressStatus monitor, string file, string domain)
{
List <AddinsEntry> entries = new List <AddinsEntry>();
XmlTextReader r = null;
string basePath = Path.GetDirectoryName(file);
try {
r = new XmlTextReader(FileSystem.OpenTextFile(file));
r.MoveToContent();
if (r.IsEmptyElement)
{
return(entries);
}
r.ReadStartElement();
r.MoveToContent();
while (r.NodeType != XmlNodeType.EndElement)
{
if (r.NodeType == XmlNodeType.Element && r.LocalName == "Directory")
{
bool.TryParse(r.GetAttribute("include-subdirs"), out var subs);
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)
{
path = Util.NormalizePath(path);
entries.Add(new AddinsEntry {
Folder = path, Domain = sdom, Recursive = subs
});
}
}
else if (r.NodeType == XmlNodeType.Element && r.LocalName == "GacAssembly")
{
string aname = r.ReadElementString().Trim();
if (aname.Length > 0)
{
aname = Util.NormalizePath(aname);
aname = Util.GetGacPath(aname);
if (aname != null)
{
// Gac assemblies always use the global domain
entries.Add(new AddinsEntry {
Folder = aname, Domain = AddinDatabase.GlobalDomain
});
}
}
}
else if (r.NodeType == XmlNodeType.Element && r.LocalName == "Exclude")
{
string path = r.ReadElementString().Trim();
if (path.Length > 0)
{
path = Util.NormalizePath(path);
if (!Path.IsPathRooted(path))
{
path = Path.Combine(basePath, path);
}
ScanContext.AddPathToIgnore(Path.GetFullPath(path));
}
}
else
{
r.Skip();
}
r.MoveToContent();
}
} catch (Exception ex) {
if (monitor != null)
{
monitor.ReportError("Could not process addins file: " + file, ex);
}
} finally {
if (r != null)
{
r.Close();
}
}
return(entries);
}