public List <SameFilesList> FindWithSameContent(string path)
{
if (!m_FilesService.DirectoryExists(path))
{
throw new DirectoryNotFoundException(path);
}
var allFiles = m_FilesService.EnumerateFiles(path, "*", SearchOption.AllDirectories);
var sameContentComparer = new SameContentComparer(m_FilesService);
var orderedFiles = allFiles
.Select(f => m_FilesService.GetFileInfo(f))
.OrderBy(f => f, sameContentComparer);
var result = ToSameFilesListCollection(orderedFiles, sameContentComparer);
return(result);
}
public static List <SameFilesList> ToSameFilesListCollection(IEnumerable <FileInfo> orderedFiles, SameContentComparer sameContentComparer)
{
var result = new List <SameFilesList>();
FileInfo prev = null;
var sameFilesList = new SameFilesList();
foreach (var fi in orderedFiles)
{
if (sameContentComparer.Compare(prev, fi) == 0)
{
if (sameFilesList.Count == 0)
{
sameFilesList.Add(prev.FullName);
}
sameFilesList.Add(fi.FullName);
}
else
{
if (sameFilesList.Count > 0)
{
result.Add(sameFilesList);
}
sameFilesList = new SameFilesList();
}
prev = fi;
}
if (sameFilesList.Count > 0)
{
result.Add(sameFilesList);
}
return(result);
}
