/**
* To check if the path represents a kmail directory:
* for all directories and files named "ddd" and not starting with a '.',
* there should be matching index file named .ddd.index
* Ignore zero length files; zero-length mbox files might not have index files.
*/
private bool GuessLocalFolder(string path, bool verbose)
{
if (!Directory.Exists(path))
{
return(false);
}
if (verbose)
{
Log.Debug("Checking if {0} is kmail local mail directory ?", path);
}
bool no_content = true;
foreach (string entry in DirectoryWalker.GetItemNames(path, null))
{
if (entry.StartsWith("."))
{
continue;
}
// Ignore zero size mbox files
string fullpath = Path.Combine(path, entry);
if (File.Exists(fullpath))
{
FileInfo fi = new FileInfo(fullpath);
if (fi.Length == 0)
{
continue;
}
}
// index-file name is of pattern .name.index
string indexfile = Path.Combine(path, "." + entry + ".index");
if (!File.Exists(indexfile))
{
if (verbose)
{
Log.Warn(String.Format(
"KMail backend: No index file for {0}." +
"Ignoring {1}, probably not a kmail directory.",
fullpath, path));
}
return(false);
}
else
{
no_content = false;
}
}
return(!no_content);
}