internal void BinaryParseTIAFile()
        {
            //using (FileStream sourceStream = File.OpenRead(DataFile))
            using (var sourceStream = new FileStream(DataFile, FileMode.Open, FileAccess.Read, System.IO.FileShare.ReadWrite))
            {
                var buffer = new byte[Marshal.SizeOf(typeof(TiaFileHeader))];
                sourceStream.Read(buffer, 0, buffer.Length);

                GCHandle      handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
                TiaFileHeader header = (TiaFileHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(TiaFileHeader));
                handle.Free();

                while (sourceStream.Position < sourceStream.Length)
                {
                    if (TiaHelper.IsMarker(sourceStream))
                    {
                        var buffer2 = new byte[Marshal.SizeOf(typeof(TiaMarker))];
                        sourceStream.Read(buffer2, 0, buffer2.Length);
                        GCHandle  handle2 = GCHandle.Alloc(buffer2, GCHandleType.Pinned);
                        TiaMarker marker  =
                            (TiaMarker)Marshal.PtrToStructure(handle2.AddrOfPinnedObject(), typeof(TiaMarker));
                        handle2.Free();
                    }
                    else
                    {
                        var buffer3 = new byte[Marshal.SizeOf(typeof(TiaObjectHeader))];
                        sourceStream.Read(buffer3, 0, buffer3.Length);
                        GCHandle        handle3 = GCHandle.Alloc(buffer3, GCHandleType.Pinned);
                        TiaObjectHeader hd      = (TiaObjectHeader)Marshal.PtrToStructure(handle3.AddrOfPinnedObject(), typeof(TiaObjectHeader));
                        handle3.Free();

                        var bytes = new byte[hd.Size - buffer3.Length];
                        sourceStream.Read(bytes, 0, bytes.Length);
                        var id = hd.GetTiaObjectId();
                        if (!TiaObjects.ContainsKey(id))
                        {
                            TiaObjects.Add(id, new TiaFileObject(hd, bytes));
                        }
                        else
                        {
                            //Todo: look why this happens, and how TIA Handles this!!
                            Console.WriteLine("double Id:" + id.ToString());
                        }
                    }
                }

                var rootId      = new TiaObjectId(TiaFixedRootObjectInstanceIds.RootObjectCollectionId);
                var rootObjects = new TiaRootObjectList(TiaObjects[rootId]);
                var projectid   = rootObjects.TiaRootObjectEntrys.First(x => x.ObjectId.TypeId == (int)TiaTypeIds.Siemens_Automation_DomainModel_ProjectData).ObjectId;
                var projectobj  = TiaObjects[projectid];
            }
        }
Ejemplo n.º 2
0
        internal void BinaryParseTIAFile()
        {
            using (var sourceStream = new FileStream(DataFile, FileMode.Open, FileAccess.Read, System.IO.FileShare.ReadWrite))
            {
                var buffer = new byte[Marshal.SizeOf(typeof(TiaFileHeader))];
                sourceStream.Read(buffer, 0, buffer.Length);

                GCHandle      handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
                TiaFileHeader header = (TiaFileHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(TiaFileHeader));
                handle.Free();
                TiaMarker?lastMarker = null;

                while (sourceStream.Position < sourceStream.Length)
                {
                    if (TiaHelper.IsMarker(sourceStream))
                    {
                        var buffer2 = new byte[Marshal.SizeOf(typeof(TiaMarker))];
                        sourceStream.Read(buffer2, 0, buffer2.Length);
                        GCHandle  handle2 = GCHandle.Alloc(buffer2, GCHandleType.Pinned);
                        TiaMarker marker  = (TiaMarker)Marshal.PtrToStructure(handle2.AddrOfPinnedObject(), typeof(TiaMarker));
                        handle2.Free();

                        lastMarker = marker;
                    }
                    else
                    {
                        var buffer3 = new byte[Marshal.SizeOf(typeof(TiaObjectHeader))];
                        sourceStream.Read(buffer3, 0, buffer3.Length);
                        GCHandle        handle3 = GCHandle.Alloc(buffer3, GCHandleType.Pinned);
                        TiaObjectHeader hd      = (TiaObjectHeader)Marshal.PtrToStructure(handle3.AddrOfPinnedObject(), typeof(TiaObjectHeader));
                        handle3.Free();

                        var bytes = new byte[hd.Size - buffer3.Length];
                        sourceStream.Read(bytes, 0, bytes.Length);
                        var id = hd.GetTiaObjectId();
                        if (!TiaObjects.ContainsKey(id))
                        {
                            TiaObjects.Add(id, new TiaFileObject(hd, bytes));

                            var size = Marshal.SizeOf(typeof(TiaObjectHeader)) + 4 + BitConverter.ToInt32(bytes, 0) + 1;
                            if (hd.Size != size || bytes[bytes.Length - 1] != 0xff)
                            {
                                //Fehler ???
                            }


                            //var strm = new MemoryStream(bytes);
                            //var dec = TiaCompression.DecompressStream(strm);
                            //var rd = new StreamReader(dec);
                            //var wr = rd.ReadToEnd();
                        }
                        else
                        {
                            //Todo: look why this happens, and how TIA Handles this!!
                            //Console.WriteLine("double Id:" + id.ToString());
                        }
                    }
                }

                var rootId      = new TiaObjectId(TiaFixedRootObjectInstanceIds.RootObjectCollectionId);
                var rootObjects = new TiaRootObjectList(TiaObjects[rootId]);
                var projectid   = rootObjects.TiaRootObjectEntrys.FirstOrDefault(x => x.ObjectId.TypeId == (int)TiaTypeIds.Siemens_Automation_DomainModel_ProjectData).ObjectId;
                var projectobj  = TiaObjects[projectid];
            }
        }