Esempio n. 1
0
        public override Int32 Open(
            String FileName,
            UInt32 CreateOptions,
            UInt32 GrantedAccess,
            out Object FileNode,
            out Object FileDesc0,
            out FileInfo FileInfo,
            out String NormalizedName)
        {
            FileNode       = default;
            NormalizedName = default;

            if (string.IsNullOrEmpty(FileName) || FileName == "\\")
            {
                // No file path? Return some info about the root dir..
                var fileDesc = new FileInstance(null, this);
                FileDesc0 = fileDesc;
                return(fileDesc.GetFileInfo(out FileInfo));
            }

            var foundEntry = FindFile(FileName);

            if (foundEntry == null)
            {
                FileInfo  = default;
                FileDesc0 = null;
                return(STATUS_OBJECT_NAME_NOT_FOUND);
            }

            var fileDesc2 = new FileInstance(foundEntry, this);

            FileDesc0 = fileDesc2;
            return(fileDesc2.GetFileInfo(out FileInfo));
        }
Esempio n. 2
0
        public override Boolean ReadDirectoryEntry(
            Object FileNode,
            Object FileDesc0,
            String Pattern,
            String Marker,
            ref Object Context,
            out String FileName,
            out FileInfo FileInfo)
        {
            var Instance   = (FileInstance)FileDesc0;
            var Enumerator = (IEnumerator <IFileEntry>)Context;

            if (Enumerator == null)
            {
                var childArr = RootFiles;
                if (Instance.FileEntry != null)
                {
                    childArr = Instance.FileEntry.Children;
                }

                Enumerator = childArr.GetEnumerator();
                Context    = Enumerator;
                int Index = 0;
                if (null != Marker)
                {
                    Index = childArr.FindIndex(s => s.Name == Marker);
                    if (0 <= Index)
                    {
                        Index++;
                    }
                    else
                    {
                        Index = ~Index;
                    }
                }

                if (Index > 0)
                {
                    for (int i = 0; i < Index; i++)
                    {
                        Enumerator.MoveNext();
                    }
                }
            }

            if (Enumerator.MoveNext())
            {
                var entry = Enumerator.Current;
                FileName = entry.Name;
                var desc = new FileInstance(entry, this);
                desc.GetFileInfo(out FileInfo);
                return(true);
            }

            FileName = default;
            FileInfo = default;
            return(false);
        }