private static Int32 GetDirInfoByName(
IntPtr FileSystemPtr,
ref FullContext FullContext,
String FileName,
out DirInfo DirInfo)
{
FileSystemBase FileSystem = (FileSystemBase)Api.GetUserContext(FileSystemPtr);
try
{
Object FileNode, FileDesc;
String NormalizedName;
Api.GetFullContext(ref FullContext, out FileNode, out FileDesc);
DirInfo = default(DirInfo);
Int32 Result = FileSystem.GetDirInfoByName(
FileNode,
FileDesc,
FileName,
out NormalizedName,
out DirInfo.FileInfo);
DirInfo.SetFileNameBuf(NormalizedName);
return(Result);
}
catch (Exception ex)
{
DirInfo = default(DirInfo);
return(ExceptionHandler(FileSystem, ex));
}
}
public Int32 SeekableReadDirectory(
Object FileNode,
Object FileDesc,
String Pattern,
String Marker,
IntPtr Buffer,
UInt32 Length,
out UInt32 BytesTransferred)
{
Object Context = null;
String FileName;
DirInfo DirInfo = default(DirInfo);
BytesTransferred = default(UInt32);
while (ReadDirectoryEntry(FileNode, FileDesc, Pattern, Marker,
ref Context, out FileName, out DirInfo.FileInfo))
{
DirInfo.SetFileNameBuf(FileName);
if (!Api.FspFileSystemAddDirInfo(ref DirInfo, Buffer, Length,
out BytesTransferred))
{
return(STATUS_SUCCESS);
}
}
Api.FspFileSystemEndDirInfo(Buffer, Length, out BytesTransferred);
return(STATUS_SUCCESS);
}
public Int32 BufferedReadDirectory(
DirectoryBuffer DirectoryBuffer,
Object FileNode,
Object FileDesc,
String Pattern,
String Marker,
IntPtr Buffer,
UInt32 Length,
out UInt32 BytesTransferred)
{
Object Context = null;
String FileName;
DirInfo DirInfo = default(DirInfo);
Int32 DirBufferResult = STATUS_SUCCESS;
BytesTransferred = default(UInt32);
if (Api.FspFileSystemAcquireDirectoryBuffer(ref DirectoryBuffer.DirBuffer, null == Marker,
out DirBufferResult))
{
try
{
while (ReadDirectoryEntry(FileNode, FileDesc, Pattern, Marker,
ref Context, out FileName, out DirInfo.FileInfo))
{
DirInfo.SetFileNameBuf(FileName);
if (!Api.FspFileSystemFillDirectoryBuffer(
ref DirectoryBuffer.DirBuffer, ref DirInfo, out DirBufferResult))
{
break;
}
}
}
finally
{
Api.FspFileSystemReleaseDirectoryBuffer(ref DirectoryBuffer.DirBuffer);
}
}
if (0 > DirBufferResult)
{
BytesTransferred = default(UInt32);
return(DirBufferResult);
}
Api.FspFileSystemReadDirectoryBuffer(ref DirectoryBuffer.DirBuffer,
Marker, Buffer, Length, out BytesTransferred);
return(STATUS_SUCCESS);
}
