private void delete_entry(FileInfoEx entry)
{
/*
* We first try to delete directory (if set flag DeleteEmptyDirectories)
* if it is link, DeleteFile finction deletes link, not target, even if target not empty
* and return.
* If flag DeleteEmptyDirectories not setted, we check LinkInformation and
* if it not null (that is entry is soft link) -> return, else
* remove its contains.
*/
int win_err = 0;
int res = 0;
if (abort)
{
return;
}
if (!check_readonly(entry))
{
return;
}
if (entry.Directory)
{
if (!check_readonly(entry))
{
return;
}
//first try to delete dir, assume it is empty
if ((opts & DeleteFileOptions.DeleteEmptyDirectories) == DeleteFileOptions.DeleteEmptyDirectories)
{
res = WinApiFS.RemoveDirectory(entry.FullName);
if (res == 0)
{
win_err = Marshal.GetLastWin32Error();
if (win_err == WinApiFS.ERROR_DIR_NOT_EMPTY)
{
//directory not empty
if ((opts & DeleteFileOptions.RecursiveDeleteFiles) == DeleteFileOptions.RecursiveDeleteFiles)
{
//recursive delete needed
FileInfoExEnumerable dir_enum = new FileInfoExEnumerable
(Path.Combine(entry.FullName, "*"), false, false, false, true);
try
{
foreach (FileInfoEx info in dir_enum)
{
delete_entry(info);
}
}
catch (Exception ex)
{
abort = !process_errors
(string.Format(Options.GetLiteral(Options.LANG_CANNOT_DELETE_0), entry.FullName),
ex);
}
}//end of dir enum
//now dir probably empty
res = WinApiFS.RemoveDirectory(entry.FullName);
if (res == 0)
{
//not success
win_err = Marshal.GetLastWin32Error();
if (win_err != WinApiFS.ERROR_DIR_NOT_EMPTY)
//supress -> when delete on mask,
//dir may be not empty
{
abort = !process_errors
(string.Format(Options.GetLiteral(Options.LANG_CANNOT_DELETE_0), entry.FullName),
new Win32Exception(win_err));
}
}
}//end of dir not empty
else
{
abort = !process_errors
(string.Format(Options.GetLiteral(Options.LANG_CANNOT_DELETE_0), entry.FullName),
new Win32Exception(win_err));
}
}//end of error process
}
else
{
//not to delete empty dirs
//recursive delete needed (if not link) but directory not will remove
//check reparse tag
if ((opts & DeleteFileOptions.RecursiveDeleteFiles) == DeleteFileOptions.RecursiveDeleteFiles)
{
if (entry.LinkInformation == null)
{
FileInfoExEnumerable dir_enum = new FileInfoExEnumerable
(Path.Combine(entry.FullName, "*"), false, false, false, true);
try
{
foreach (FileInfoEx info in dir_enum)
{
delete_entry(info);
}
}
catch (Exception ex)
{
abort = !process_errors
(string.Format(Options.GetLiteral(Options.LANG_CANNOT_DELETE_0), entry.FullName),
ex);
}
}
}
}
}//end of if(entry.Directory)
else
{
//entry is file
//check mask
if (Wildcard.Match(delete_mask, entry.FileName, false))
{
if (check_readonly(entry))
{
if (main_window != null)
{
main_window.NotifyLongOperation
(string.Format(Options.GetLiteral(Options.LANG_DELETE_NOW_0), entry.FullName),
true);
}
res = WinApiFS.DeleteFile(entry.FullName);
if (res == 0)
{
abort = !process_errors
(string.Format(Options.GetLiteral(Options.LANG_CANNOT_DELETE_0), entry.FullName),
new Win32Exception(Marshal.GetLastWin32Error()));
}
}
}
}
}