/// <summary>
/// The select files.
/// </summary>
/// <param name="folderPath">
/// The folder path.
/// </param>
/// <param name="searchMask">
/// The search mask.
/// </param>
/// <param name="searchMode">
/// The search mode.
/// </param>
/// <param name="sortMode">
/// The sort mode.
/// </param>
/// <returns>
/// The <see cref="IEnumerable"/>.
/// </returns>
public static IEnumerable <string> SelectFiles(
string folderPath,
string searchMask = "",
TreeCollectMode searchMode = 0,
EntriesSortMode sortMode = 0)
{
var enumerable = SelectFileInfos(folderPath, searchMask, searchMode, sortMode);
if (enumerable == null)
{
return(null);
}
return(from f in enumerable select f.FullName);
}
/// <summary>
/// The select file infos.
/// </summary>
/// <param name="folderPath">
/// The folder path.
/// </param>
/// <param name="searchMask">
/// The search mask.
/// </param>
/// <param name="searchMode">
/// The search mode.
/// </param>
/// <param name="sortMode">
/// The sort mode.
/// </param>
/// <returns>
/// The <see cref="IEnumerable"/>.
/// </returns>
/// <exception cref="ArgumentException">
/// </exception>
public static IEnumerable <FileInfo> SelectFileInfos(
string folderPath,
string searchMask = "",
TreeCollectMode searchMode = 0,
EntriesSortMode sortMode = 0)
{
IEnumerable <FileInfo> files;
var bTrimFirst = true;
folderPath = TStringHelper.StringToEmpty(folderPath, bTrimFirst);
if (!FolderExists(folderPath))
{
return(null);
}
var folderInfo = new DirectoryInfo(folderPath);
switch (searchMode)
{
case TreeCollectMode.RootOnly:
files = folderInfo.GetFiles(CorrectFileSearchMask(searchMask));
break;
case TreeCollectMode.LeavesOnly:
{
var list = new List <FileInfo>();
DoCollectFinalFiles(list, folderInfo, CorrectFileSearchMask(searchMask));
files = list;
break;
}
case TreeCollectMode.Everywhere:
files = folderInfo.GetFiles(CorrectFileSearchMask(searchMask), SearchOption.AllDirectories);
break;
default:
throw new ArgumentException(string.Format("режим поиска файлов не поддерживается: {0}", searchMode));
}
switch (sortMode)
{
case EntriesSortMode.Unsorted:
return(files);
case EntriesSortMode.NameAscending:
return(from f in files orderby f.FullName select f);
case EntriesSortMode.NameDescending:
return(from f in files orderby f.FullName descending select f);
case EntriesSortMode.CreationPointAscending:
return(from f in files orderby f.CreationTimeUtc select f);
case EntriesSortMode.CreationPointDescending:
return(from f in files orderby f.CreationTimeUtc descending select f);
case EntriesSortMode.ModificationPointAscending:
return(from f in files orderby f.LastWriteTimeUtc select f);
case EntriesSortMode.ModificationPointDescending:
return(from f in files orderby f.LastWriteTimeUtc descending select f);
}
throw new ArgumentException(string.Format("режим сортировки при поиске файлов не поддерживается: {0}", sortMode));
}