private async Task <DirectoryEntries> ReadDirectoryEntriesAsyncCore(MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <DirectoryEntries>();
EventHandler <DirectoryEntries> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleReadDirectoryEntries += handler;
if (MessageLoop == null && messageLoop == null)
{
ReadDirectoryEntries();
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var output = new ArrayOutputAdapterWithStorage <PPDirectoryEntry[]>();
var result = (PPError)PPBFileRef.ReadDirectoryEntries(this, output.PPArrayOutput,
new BlockUntilComplete()
);
var entries = new List <DirectoryEntry>();
foreach (var entry in output.Output)
{
entries.Add(new DirectoryEntry(entry));
}
tcs.TrySetResult(new DirectoryEntries(result, entries.AsReadOnly()));
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(new DirectoryEntries(PPError.Aborted, new List <DirectoryEntry> ().AsReadOnly()));
}
finally
{
HandleReadDirectoryEntries -= handler;
}
}
private async Task <PPError> TouchAsyncCore(DateTime lastAccessTime, DateTime lastModifiedTime, MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <PPError>();
EventHandler <PPError> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleTouch += handler;
if (MessageLoop == null && messageLoop == null)
{
Touch(lastAccessTime, lastModifiedTime);
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var result = (PPError)PPBFileRef.Touch(this,
PepperSharpUtils.ConvertToPepperTimestamp(lastAccessTime),
PepperSharpUtils.ConvertToPepperTimestamp(lastModifiedTime),
new BlockUntilComplete()
);
tcs.TrySetResult(result);
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(PPError.Aborted);
}
finally
{
HandleTouch -= handler;
}
}
private async Task <FileInfo> QueryAsyncCore(MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <FileInfo>();
EventHandler <FileInfo> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleQuery += handler;
if (MessageLoop == null && messageLoop == null)
{
Query();
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var fileInfo = new PPFileInfo();
var result = (PPError)PPBFileRef.Query(this, out fileInfo,
new BlockUntilComplete()
);
tcs.TrySetResult(new FileInfo(result, fileInfo));
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(new FileInfo(PPError.Aborted, new PPFileInfo()));
}
finally
{
HandleQuery -= handler;
}
}
private async Task <PPError> RenameAsyncCore(FileRef newFileRef, MessageLoop messageLoop = null)
{
var tcs = new TaskCompletionSource <PPError>();
EventHandler <PPError> handler = (s, e) => { tcs.TrySetResult(e); };
try
{
HandleRename += handler;
if (MessageLoop == null && messageLoop == null)
{
Rename(newFileRef);
}
else
{
Action <PPError> action = new Action <PPError>((e) =>
{
var result = (PPError)PPBFileRef.Rename(this, newFileRef,
new BlockUntilComplete()
);
tcs.TrySetResult(result);
}
);
InvokeHelper(action, messageLoop);
}
return(await tcs.Task);
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
tcs.SetException(exc);
return(PPError.Aborted);
}
finally
{
HandleRename -= handler;
}
}
/// <summary>
/// Touch() Updates time stamps for a file. You must have write access to the
/// file if it exists in the external filesystem.
/// </summary>
/// <param name="lastAccessTime">The last time the file was accessed.</param>
/// <param name="lastModifiedTime">The last time the file was modified.</param>
/// <returns>Ok if all went well</returns>
public PPError Touch(DateTime lastAccessTime, DateTime lastModifiedTime)
=> (PPError)PPBFileRef.Touch(this,
PepperSharpUtils.ConvertToPepperTimestamp(lastAccessTime),
PepperSharpUtils.ConvertToPepperTimestamp(lastModifiedTime),
new CompletionCallback(OnTouch));
public FileRef(FileSystem fileSystem, string path)
{
handle = PPBFileRef.Create(fileSystem, Encoding.UTF8.GetBytes(path));
}
/// <summary>
/// ReadDirectoryEntries() Reads all entries in the directory.
/// </summary>
/// <returns>Error code.</returns>
PPError ReadDirectoryEntries()
{
var listCallback = new CompletionCallbackWithOutput <PPDirectoryEntry[], PPResource>(ListCallback, this);
return((PPError)PPBFileRef.ReadDirectoryEntries(this, listCallback, listCallback));
}
/// <summary>
/// Query() queries info about a file or directory. You must have access to
/// read this file or directory if it exists in the external filesystem.
/// </summary>
/// <returns>Error code</returns>
public PPError Query()
{
var ficb = new CompletionCallbackWithOutput <PPFileInfo>(OnQuery);
return((PPError)PPBFileRef.Query(this, out ficb.OutputAdapter.output, ficb));
}
/// <summary> /// Rename() renames a file or directory. Argument <code>newFileRef</code> /// must refer to files in the same file system as in this object. It is an /// error to rename a file or directory that is in use. It is not valid to /// rename a file in the external file system. /// </summary> /// <param name="newFileRef">A <code>FileRef</code> corresponding to a new /// file reference.</param> /// <returns>Error code</returns> PPError Rename(FileRef newFileRef) => (PPError)PPBFileRef.Rename(this, newFileRef, new CompletionCallback(OnRename));
/// <summary> /// Delete() deletes a file or directory. If <code>FileRef</code> refers to /// a directory, then the directory must be empty. It is an error to delete a /// file or directory that is in use. It is not valid to delete a file in /// the external file system. /// </summary> /// <returns>Error code</returns> public PPError Delete() => (PPError)PPBFileRef.Delete(this, new CompletionCallback(OnDelete));
/// <summary>
/// MakeDirectory() makes a new directory in the file system according to the
/// given <code>makeDirectoryFlags</code>, which is a bit-mask of the
/// <code>MakeDirectoryFlags</code> values. It is not valid to make a
/// directory in the external file system.
/// </summary>
/// <param name="makeDirectoryFlags">A bit-mask of the
/// <code>MakeDirectoryFlags</code> values.</param>
/// <returns>Error code</returns>
PPError MakeDirectory(MakeDirectoryFlags makeDirectoryFlags)
=> (PPError)PPBFileRef.MakeDirectory(this,
(int)makeDirectoryFlags,
new CompletionCallback(OnMakeDirectory));
