// CTOR
public RandomImageFinder()
{
_haventSearchedImagesYet = true;
_searchDirectoryPath = Environment.CurrentDirectory;
_imagesCollection = new ImagesCollection();
SearchFinishedInternal += CompleteSearch;
}
public RandomImageFinder()
{
_haventSearchedImagesYet = true;
_searchDirectoryPath = Environment.CurrentDirectory;
_imagesCollection = new ImagesCollection();
_threadAborted = false;
SearchFinishedInternal += CompleteSearch;
}
// PRIVATE/INTERNAL METHODS
private void Search(
string directory, ImagesCollection foundFiles, IReadOnlyCollection <string> fileMasks,
SearchImagesOptions searchOptions, CancellationToken ct)
{
if (_excludeSearchDirectories.Any(exDir => exDir.ToLowerInvariant().Equals(directory.ToLowerInvariant())))
{
return;
}
var images = new List <string>();
try
{
foreach (var fileMask in fileMasks)
{
images.AddRange(System.IO.Directory.EnumerateFiles(directory, fileMask, SearchOption.TopDirectoryOnly));
}
}
catch (SecurityException) { }
catch (UnauthorizedAccessException) { }
catch (Exception ex)
{
CrashLogger.Instance.Log("Files enumeration failed in directory " + directory, ex.Message);
}
foundFiles.AddRange(directory, images);
if (!searchOptions.IncludeSubdirs || ct.IsCancellationRequested)
{
return;
}
IEnumerable <string> subDirs = new List <string>();
try
{
subDirs = System.IO.Directory.EnumerateDirectories(directory, "*", SearchOption.TopDirectoryOnly);
}
catch (SecurityException) { }
catch (UnauthorizedAccessException) { }
catch (Exception ex)
{
CrashLogger.Instance.Log("Directory enumeration failed in directory " + directory, ex.Message);
}
foreach (var subDir in subDirs)
{
Search(subDir, foundFiles, fileMasks, searchOptions, ct);
}
}
private void Search(string directory, ImagesCollection foundFiles, IReadOnlyCollection<string> fileMasks, SearchImagesOptions searchOptions)
{
foreach (var excludeDirectory in _excludeSearchDirectories)
if (directory.StartsWith(excludeDirectory))
return;
List<string> images = new List<string>();
try
{
foreach (var fileMask in fileMasks)
{
images.AddRange(System.IO.Directory.EnumerateFiles(directory, fileMask, SearchOption.TopDirectoryOnly));
}
}
catch (SecurityException) { }
catch (UnauthorizedAccessException) { }
catch (Exception ex)
{
CrashLogger.Instance.Log("Files enumeration failed in directory " + directory, ex.Message);
}
foundFiles.AddRange(directory, images);
if (!searchOptions.IncludeSubdirs)
return;
IEnumerable<string> subDirs = new List<string>();
try
{
subDirs = System.IO.Directory.EnumerateDirectories(directory, "*", SearchOption.TopDirectoryOnly);
}
catch (SecurityException) { }
catch (UnauthorizedAccessException) { }
catch (Exception ex)
{
CrashLogger.Instance.Log("Directory enumeration failed in directory " + directory, ex.Message);
}
foreach (var subDir in subDirs)
Search(subDir, foundFiles, fileMasks, searchOptions);
}