void ProcessFilesOfDirectory(string path, FileProcessorStatistics currentStatistics)
{
/// Get all files in the directory @path
IEnumerable<string> files = System.IO.Directory.EnumerateFiles(path);
foreach (string file in files)
{
/// The file should exists, so if false is returned then
/// the file is unaccessible
if (!System.IO.File.Exists(file))
{
currentStatistics.UnaccessibleFileCount++;
}
else
{
/// Get informations of the file @file
System.IO.FileInfo info = new System.IO.FileInfo(file);
if ((info.Attributes & System.IO.FileAttributes.Hidden) == System.IO.FileAttributes.Hidden)
{
currentStatistics.HiddenFileCount++;
}
else
{
currentStatistics.TotalFileCount++;
}
}
}
files.GetEnumerator().Dispose();
}
/// <summary>
/// Process and returns a "object" that contains statistics
/// </summary>
/// <param name="pathToDirectory"></param>
/// <returns></returns>
public FileProcessorStatistics ProcessFromDirectory(string pathToDirectory)
{
FileProcessorStatistics statistics = new FileProcessorStatistics(pathToDirectory);
if (System.IO.Directory.Exists(pathToDirectory))
{
ProcessDirectory(pathToDirectory, statistics);
}
return statistics;
}
/// <summary>
/// Recursive method that counts files, hidden files, directories, unaccessible directories
/// </summary>
/// <param name="path"></param>
/// <param name="currentStatistics"></param>
void ProcessDirectory(string path, FileProcessorStatistics currentStatistics)
{
/// Process files of directory @path
ProcessFilesOfDirectory(path, currentStatistics);
/// Get all directories in the directory @path
IEnumerable<string> directories = System.IO.Directory.EnumerateDirectories(path);
foreach (string directory in directories)
{
/// The directory should exists, so if false is returned then
/// the directory is unaccessible
/// "If you do not have at a minimum read-only permission to the directory, the Exists method will return false." from MSDN
if (!System.IO.Directory.Exists(directory))
{
currentStatistics.UnaccessibleDirectoryCount++;
}
else
{
/// Get informations of the directory @directory
System.IO.DirectoryInfo info = new System.IO.DirectoryInfo(directory);
if ((info.Attributes & System.IO.FileAttributes.Hidden) == System.IO.FileAttributes.Hidden)
{
currentStatistics.HiddenDirectoryCount++;
}
else
{
currentStatistics.TotalDirectoryCount++;
}
try
{
ProcessDirectory(directory.ToString(), currentStatistics);
}
catch { }
}
}
directories.GetEnumerator().Dispose();
}