/// <summary>
/// Helper function to support the Duplicati enumeration callback system
/// </summary>
/// <param name="rootpath">The root path to look in and use as filter base</param>
/// <param name="callback">The callback function that collects the output</param>
public void EnumerateFilesAndFolders(string rootpath, Duplicati.Library.Utility.Utility.EnumerationFilterDelegate callback)
{
//Under normal enumeration, the filter will prevent visiting subfolders for excluded folders
//But when using USN all files/folders are present in the list, so we have to maintain
// a list of subfolders that are excluded from the set
System.Text.StringBuilder local_filter = new StringBuilder();
System.Text.RegularExpressions.Regex excludedFolders = null;
foreach (KeyValuePair <string, Win32USN.USN_RECORD> r in this.Records)
{
if (r.Key.StartsWith(rootpath, Utility.Utility.ClientFilenameStringComparision))
{
bool isFolder = (r.Value.FileAttributes & Win32USN.EFileAttributes.Directory) != 0;
if (excludedFolders != null && excludedFolders.Match(r.Key).Success)
{
continue;
}
if (isFolder)
{
if (!callback(rootpath, r.Key, (System.IO.FileAttributes)((int)r.Value.FileAttributes & 0xff)))
{
if (local_filter.Length != 0)
{
local_filter.Append("|");
}
local_filter.Append("(");
local_filter.Append(Utility.Utility.ConvertGlobbingToRegExp(r.Key + "*"));
local_filter.Append(")");
if (Utility.Utility.IsFSCaseSensitive)
{
excludedFolders = new System.Text.RegularExpressions.Regex(local_filter.ToString());
}
else
{
excludedFolders = new System.Text.RegularExpressions.Regex(local_filter.ToString(), System.Text.RegularExpressions.RegexOptions.IgnoreCase);
}
}
}
else
{
if (local_filter.Length == 0 || !excludedFolders.IsMatch(r.Key))
{
callback(rootpath, r.Key, (System.IO.FileAttributes)((int)r.Value.FileAttributes & 0xff));
}
}
}
}
}
/// <summary>
/// Enumerates all files and folders in the snapshot
/// </summary>
/// <param name="callback">The callback to invoke with each found path</param>
/// <param name="errorCallback">The callback used to report errors</param>
public IEnumerable <string> EnumerateFilesAndFolders(Duplicati.Library.Utility.Utility.EnumerationFilterDelegate callback, Duplicati.Library.Utility.Utility.ReportAccessError errorCallback)
{
return(m_entries.SelectMany(
s => Utility.Utility.EnumerateFileSystemEntries(s.Key, callback, this.ListFolders, this.ListFiles, this.GetAttributes, errorCallback)
));
}
/// <summary>
/// Enumerates all files and folders in the snapshot
/// </summary>
/// <param name="callback">The callback to invoke with each found path</param>
public IEnumerable <string> EnumerateFilesAndFolders(Duplicati.Library.Utility.Utility.EnumerationFilterDelegate callback)
{
return(m_sources.SelectMany(
s => Utility.Utility.EnumerateFileSystemEntries(s, callback, this.ListFolders, this.ListFiles, this.GetAttributes)
));
}
