// Set the static properties based on the controls.
private void ApplyTextSelection()
{
bool wasOn = TextFilterOn;
MatchType matchType;
_includeChecked = chkContain.Checked && !string.IsNullOrEmpty(txtContains.Text);
_includeText = txtContains.Text;
_excludeChecked = chkDoesNotContain.Checked && !string.IsNullOrEmpty(txtDoesNotContain.Text);
_excludeText = txtDoesNotContain.Text;
_caseChecked = chkCase.Checked;
_wildChecked = radWildcard.Checked;
_regexChecked = radRegex.Checked;
// TODO: radNormal.Checked?
if (_regexChecked)
{
matchType = MatchType.RegularExpression;
}
else if (_wildChecked)
{
matchType = MatchType.Wildcard;
}
else
{
matchType = MatchType.Simple;
}
if (_includeChecked)
{
_includeMatcher = new StringMatcher(_includeText, chkCase.Checked, matchType);
}
if (_excludeChecked)
{
_excludeMatcher = new StringMatcher(_excludeText, chkCase.Checked, matchType);
}
if (TextFilterOn != wasOn)
{
OnTextFilterOnOff(this);
}
}
public string MakeReady()
{
// Set MustMatch and MustNotMatch to use for testing strings.
// Set them even if not Enabled in order to verify regular expressions are valid.
try
{
if (ContainsText == null)
{
MustMatch = null;
}
else
{
MustMatch = new StringMatcher(ContainsText, MatchCase, MatchType);
}
if (LacksText == null)
{
MustNotMatch = null;
}
else
{
MustNotMatch = new StringMatcher(LacksText, MatchCase, MatchType);
}
Debug.Assert(!Enabled || MustMatch != null || MustNotMatch != null);
}
catch (Exception ex)
{
Enabled = false;
string msg = "An error occurred in rule \"{0}\": {1}";
return(string.Format(msg, Name, ex.Message));
}
return(null);
}
public static List <string> DeleteMany(string fileSpec, string folderSpec, DateTime minTimestamp, DateTime maxTimestamp, long minSize, long maxSize, bool tx1Files, bool txtFiles, bool deleteEmptyFolderAndParents, bool listOnly, Logger Log, WindowsIdentity userToImpersonate = null)
{
using (Log.InfoCall())
{
var result = new List <string>();
try
{
Log.Info("fileSpec = ", fileSpec);
Log.Info("folderSpec = ", folderSpec);
Log.Info("minTimestamp = ", minTimestamp);
Log.Info("maxTimestamp = ", maxTimestamp);
Log.Info("minSize = ", minSize);
Log.Info("maxSize = ", maxSize);
Log.Info("tx1Files = ", tx1Files);
Log.Info("txtFiles = ", txtFiles);
Log.Info("deleteEmptyFolderAndParents = ", deleteEmptyFolderAndParents);
Log.Info("listOnly = ", listOnly);
// Create a list of all distinct folder names from the two history files.
IEnumerable <string> folderList = null;
// Check for the presence of wild-cards.
if (folderSpec.IndexOfAny(new char[] { '*', '?' }) == -1)
{
// No wild-cards so just use the folder name as-is even if it isn't listed in the history files.
folderList = new string[] { folderSpec };
}
else
{
// The wild-carded folder spec is applied to the list of
// folders in the history files so start by getting that list.
folderList = GetHistoricalFolderNames(Log);
if (folderSpec != "*")
{
// Since we're not simply processing all known folders we'll use the
// StringMatcher class in Wildcard mode to find the matching folders. In
// wildcard syntax, the '\' char is an escape char. However there is no
// legitimate use for escape chars in the folder spec since the only
// escapable characters are '*', '?', and '\' which are not valid in
// folder (or file) names. Thus, any '\' chars present must be subdir
// separators which must be escaped to prevent StringMatcher from
// treating them as escape chars and discarding them.
folderSpec = folderSpec.Replace("\\", "\\\\");
var matcher = new StringMatcher(folderSpec, false, MatchType.Wildcard);
folderList = folderList.Where(f => matcher.Matches(f));
}
}
foreach (string folder in folderList)
{
// Search for .txt and/or .tx1 files matching the fileSpec and delete them. If folder becomes empty, delete it.
DirectoryInfo dirInfo = null;
try
{
dirInfo = new DirectoryInfo(folder);
}
catch
{
// Invalid path.
dirInfo = null;
}
if (dirInfo != null && dirInfo.Exists)
{
List <FileInfo> filesInFolder = new List <FileInfo>();
bool leftSome = false;
if (tx1Files)
{
filesInFolder.AddRange(dirInfo.GetFiles(fileSpec + ".tx1"));
}
if (txtFiles)
{
filesInFolder.AddRange(dirInfo.GetFiles(fileSpec + ".txt"));
}
foreach (FileInfo file in filesInFolder)
{
// For compatibility with the old DOS 8.3 file name format,
// GetFiles("*.tx1") will return files whose extension STARTS WITH
// ".tx1", such as "x.tx123". To exclude such files, verify we have a
// 4 character extension (includes the '.') in addition to checking
// the other criteria.
if (file.Extension.Length == 4 &&
file.LastWriteTime >= minTimestamp && file.LastWriteTime <= maxTimestamp &&
file.Length >= minSize && file.Length <= maxSize)
{
if (listOnly)
{
result.Add(file.FullName);
}
else
{
using (userToImpersonate?.Impersonate())
{
TryDeleteFile(Log, result, file);
}
}
}
else
{
leftSome = true;
}
}
if (!listOnly && !leftSome)
{
using (userToImpersonate?.Impersonate())
{
TryDeleteFolder(dirInfo, Log);
}
}
}
}
}
catch (Exception ex)
{
Log.Error("Exception in DeleteMany(): ", ex);
throw;
}
return(result);
}
}
