public static async Task <FileSystemStorageItemBase> OpenAsync(string Path)
{
if (System.IO.Path.GetPathRoot(Path) != Path && WIN_Native_API.GetStorageItem(Path) is FileSystemStorageItemBase Item)
{
return(Item);
}
else
{
LogTracer.Log($"Native API could not found the path: \"{Path}\", fall back to UWP storage API");
try
{
string DirectoryPath = System.IO.Path.GetDirectoryName(Path);
if (string.IsNullOrEmpty(DirectoryPath))
{
StorageFolder Folder = await StorageFolder.GetFolderFromPathAsync(Path);
return(await FileSystemStorageFolder.CreateFromExistingStorageItem(Folder));
}
else
{
StorageFolder ParentFolder = await StorageFolder.GetFolderFromPathAsync(DirectoryPath);
switch (await ParentFolder.TryGetItemAsync(System.IO.Path.GetFileName(Path)))
{
case StorageFolder Folder:
{
return(await FileSystemStorageFolder.CreateFromExistingStorageItem(Folder));
}
case StorageFile File:
{
return(await FileSystemStorageFile.CreateFromExistingStorageItem(File));
}
default:
{
LogTracer.Log($"UWP storage API could not found the path: \"{Path}\"");
return(null);
}
}
}
}
catch (Exception ex)
{
LogTracer.Log(ex, $"UWP storage API could not found the path: \"{Path}\"");
return(null);
}
}
}
public static async Task <FileSystemStorageItemBase> CreateAsync(string Path, StorageItemTypes ItemTypes, CreateOption Option)
{
switch (ItemTypes)
{
case StorageItemTypes.File:
{
if (WIN_Native_API.CreateFileFromPath(Path, Option, out string NewPath))
{
return(await OpenAsync(NewPath));
}
else
{
LogTracer.Log($"Native API could not create file: \"{Path}\", fall back to UWP storage API");
try
{
StorageFolder Folder = await StorageFolder.GetFolderFromPathAsync(System.IO.Path.GetDirectoryName(Path));
switch (Option)
{
case CreateOption.GenerateUniqueName:
{
StorageFile NewFile = await Folder.CreateFileAsync(System.IO.Path.GetFileName(Path), CreationCollisionOption.GenerateUniqueName);
return(await FileSystemStorageFile.CreateFromExistingStorageItem(NewFile));
}
case CreateOption.OpenIfExist:
{
StorageFile NewFile = await Folder.CreateFileAsync(System.IO.Path.GetFileName(Path), CreationCollisionOption.OpenIfExists);
return(await FileSystemStorageFile.CreateFromExistingStorageItem(NewFile));
}
case CreateOption.ReplaceExisting:
{
StorageFile NewFile = await Folder.CreateFileAsync(System.IO.Path.GetFileName(Path), CreationCollisionOption.ReplaceExisting);
return(await FileSystemStorageFile.CreateFromExistingStorageItem(NewFile));
}
default:
{
return(null);
}
}
}
catch
{
LogTracer.Log($"UWP storage API could not create file: \"{Path}\"");
return(null);
}
}
}
case StorageItemTypes.Folder:
{
if (WIN_Native_API.CreateDirectoryFromPath(Path, Option, out string NewPath))
{
return(await OpenAsync(NewPath));
}
else
{
LogTracer.Log($"Native API could not create file: \"{Path}\", fall back to UWP storage API");
try
{
StorageFolder Folder = await StorageFolder.GetFolderFromPathAsync(System.IO.Path.GetDirectoryName(Path));
switch (Option)
{
case CreateOption.GenerateUniqueName:
{
StorageFolder NewFolder = await Folder.CreateFolderAsync(System.IO.Path.GetFileName(Path), CreationCollisionOption.GenerateUniqueName);
return(await FileSystemStorageFolder.CreateFromExistingStorageItem(NewFolder));
}
case CreateOption.OpenIfExist:
{
StorageFolder NewFolder = await Folder.CreateFolderAsync(System.IO.Path.GetFileName(Path), CreationCollisionOption.OpenIfExists);
return(await FileSystemStorageFolder.CreateFromExistingStorageItem(NewFolder));
}
case CreateOption.ReplaceExisting:
{
StorageFolder NewFolder = await Folder.CreateFolderAsync(System.IO.Path.GetFileName(Path), CreationCollisionOption.ReplaceExisting);
return(await FileSystemStorageFolder.CreateFromExistingStorageItem(NewFolder));
}
default:
{
return(null);
}
}
}
catch
{
LogTracer.Log($"UWP storage API could not create folder: \"{Path}\"");
return(null);
}
}
}
default:
{
return(null);
}
}
}
public async Task <List <FileSystemStorageItemBase> > GetChildItemsAsync(bool IncludeHiddenItems, bool IncludeSystemItem, ItemFilters Filter = ItemFilters.File | ItemFilters.Folder)
{
if (WIN_Native_API.CheckLocationAvailability(Path))
{
return(WIN_Native_API.GetStorageItems(Path, IncludeHiddenItems, IncludeSystemItem, Filter));
}
else
{
LogTracer.Log($"Native API could not enum subitems in path: \"{Path}\", fall back to UWP storage API");
try
{
if (await GetStorageItemAsync() is StorageFolder Folder)
{
QueryOptions Options = new QueryOptions
{
FolderDepth = FolderDepth.Shallow,
IndexerOption = IndexerOption.DoNotUseIndexer
};
Options.SetThumbnailPrefetch(ThumbnailMode.ListView, 150, ThumbnailOptions.UseCurrentScale);
Options.SetPropertyPrefetch(PropertyPrefetchOptions.BasicProperties, new string[] { "System.Size", "System.DateModified" });
StorageItemQueryResult Query = Folder.CreateItemQueryWithOptions(Options);
List <FileSystemStorageItemBase> Result = new List <FileSystemStorageItemBase>();
for (uint i = 0; ; i += 25)
{
IReadOnlyList <IStorageItem> ReadOnlyItemList = await Query.GetItemsAsync(i, 25);
if (ReadOnlyItemList.Count > 0)
{
foreach (IStorageItem Item in ReadOnlyItemList.Where((Item) => (Item.IsOfType(StorageItemTypes.Folder) && Filter.HasFlag(ItemFilters.Folder)) || (Item.IsOfType(StorageItemTypes.File) && Filter.HasFlag(ItemFilters.File))))
{
if (Item is StorageFolder SubFolder)
{
Result.Add(await CreateFromExistingStorageItem(SubFolder));
}
else if (Item is StorageFile SubFile)
{
Result.Add(await FileSystemStorageFile.CreateFromExistingStorageItem(SubFile));
}
}
}
else
{
break;
}
}
return(Result);
}
else
{
return(new List <FileSystemStorageItemBase>(0));
}
}
catch
{
LogTracer.Log($"UWP API could not enum subitems in path: \"{Path}\"");
return(new List <FileSystemStorageItemBase>(0));
}
}
}
public async IAsyncEnumerable <FileSystemStorageItemBase> SearchAsync(string SearchWord, bool SearchInSubFolders = false, bool IncludeHiddenItem = false, bool IncludeSystemItem = false, bool IsRegexExpresstion = false, bool IgnoreCase = true, [EnumeratorCancellation] CancellationToken CancelToken = default)
{
if (WIN_Native_API.CheckLocationAvailability(Path))
{
foreach (FileSystemStorageItemBase Item in await Task.Run(() => WIN_Native_API.Search(Path, SearchWord, SearchInSubFolders, IncludeHiddenItem, IncludeSystemItem, IsRegexExpresstion, IgnoreCase, CancelToken)))
{
yield return(Item);
}
}
else
{
if (await GetStorageItemAsync() is StorageFolder Folder)
{
QueryOptions Options = new QueryOptions
{
FolderDepth = SearchInSubFolders ? FolderDepth.Deep : FolderDepth.Shallow,
IndexerOption = IndexerOption.DoNotUseIndexer
};
Options.SetThumbnailPrefetch(ThumbnailMode.ListView, 150, ThumbnailOptions.UseCurrentScale);
Options.SetPropertyPrefetch(PropertyPrefetchOptions.BasicProperties, new string[] { "System.FileName", "System.Size", "System.DateModified", "System.DateCreated" });
if (!IsRegexExpresstion)
{
Options.ApplicationSearchFilter = $"System.FileName:~=\"{SearchWord}\"";
}
StorageItemQueryResult Query = Folder.CreateItemQueryWithOptions(Options);
for (uint Index = 0; !CancelToken.IsCancellationRequested; Index += 25)
{
IReadOnlyList <IStorageItem> ReadOnlyItemList = await Query.GetItemsAsync(Index, 25);
if (ReadOnlyItemList.Count > 0)
{
IEnumerable <IStorageItem> Result = IsRegexExpresstion
? ReadOnlyItemList.Where((Item) => Regex.IsMatch(Item.Name, SearchWord, IgnoreCase ? RegexOptions.IgnoreCase : RegexOptions.None))
: ReadOnlyItemList.Where((Item) => Item.Name.Contains(SearchWord, IgnoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal));
foreach (IStorageItem Item in Result)
{
if (CancelToken.IsCancellationRequested)
{
yield break;
}
switch (Item)
{
case StorageFolder SubFolder:
{
yield return(await CreateFromExistingStorageItem(SubFolder));
break;
}
case StorageFile SubFile:
{
yield return(await FileSystemStorageFile.CreateFromExistingStorageItem(SubFile));
break;
}
}
}
}
else
{
break;
}
}
}
}
}