private void TestFiles(FileInfo[] files, FileQueryFilterList filters)
{
foreach (FileInfo file in files)
{
if (abortSearch)
{
break;
}
TestFile(file, filters);
}
}
private void SearchResultSet(FileListSearchSource source, FileQueryFilterList filters)
{
foreach (var path in source.FilePaths)
{
if (abortSearch)
{
break;
}
var file = new FileInfo(path);
if (file.Exists)
{
TestFile(file, filters);
}
else
{
throw new FileQueryException("File does not exist: " + file.FullName);
}
}
}
private void TestFile(FileInfo file, FileQueryFilterList filters)
{
if (Logger.IsDebugEnabled)
{
Logger.Debug("Testing file: " + file);
}
bool accept = true;
foreach (var filter in filters)
{
if (abortSearch || accept == false)
{
// No need to continue
break;
}
// Apply the filter
if (Logger.IsDebugEnabled)
{
Logger.Debug("Checking filter: " + filter.ToString());
}
accept = filter.Accept(file);
}
if (accept)
{
if (Logger.IsDebugEnabled)
{
Logger.Debug("File passed all filters: " + file);
}
Results.Add(file);
FileFound?.Invoke(this, new FileFoundEventArgs()
{
fileInfo = file
});
}
}
private void SearchDirectory(DirectoryInfo directory, bool recurse, HashSet <string> excludePaths, FileQueryFilterList filters)
{
if (!excludePaths.Contains(directory.FullName.ToLower()))
{
if (abortSearch)
{
return;
}
if (Logger.IsDebugEnabled)
{
Logger.Debug("Searching directory: " + directory);
}
try
{
// File name filter is a special case that can be done much faster here
if (filters.SimpleFileNameFilter != null)
{
if (Logger.IsDebugEnabled)
{
Logger.Debug("Using simple file filter: " + filters.SimpleFileNameFilter.Pattern);
}
TestFiles(directory.GetFiles(filters.SimpleFileNameFilter.Pattern), filters);
}
else
{
// Can't use simple filter, get all files
TestFiles(directory.GetFiles(), filters);
}
if (recurse)
{
foreach (DirectoryInfo child in directory.GetDirectories())
{
SearchDirectory(child, recurse, excludePaths, filters);
}
}
}
catch (FileQueryAbortedException)
{
// Kick it to the curb
throw;
}
catch (Exception ex)
{
if (Logger.IsDebugEnabled)
{
Logger.Debug(ex.ToString());
}
}
}
}
/// <summary>
/// Searching a directory starts here
/// </summary>
/// <param name="path"></param>
/// <param name="query"></param>
private void SearchDirectory(DirectorySearchSource source, HashSet <string> excludePaths, FileQueryFilterList filters)
{
var dir = new DirectoryInfo(source.Path);
if (dir.Exists)
{
SearchDirectory(dir, source.IsRecursive, excludePaths, filters);
}
else
{
throw new FileQueryException("Directory does not exist: " + source.Path);
}
}
public Query()
{
_fileSources = new List <ISearchSource>();
Filters = new FileQueryFilterList();
_excludePaths = new HashSet <string>();
}
public FileQueryFilterListEnumerator(FileQueryFilterList filterList)
{
_filterList = filterList;
_enumerator = _filterList.Filters.GetEnumerator();
}
