Пример #1
0
        bool SkipFrameTable(IBinaryStream file)
        {
            file.Position = 4;
            int table_count = file.ReadInt16();

            file.Position = 8;
            for (int i = 0; i < table_count; ++i)
            {
                switch (file.ReadByte())
                {
                case 0: break;

                case 1: file.Seek(8, SeekOrigin.Current); break;

                case 2:
                case 3:
                case 4:
                case 5: file.Seek(4, SeekOrigin.Current); break;

                default: return(false);
                }
            }
            int count = file.ReadUInt16();

            file.Seek(count * 8, SeekOrigin.Current);
            return(true);
        }
Пример #2
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        public override ImageMetaData ReadMetaData(IBinaryStream stream)
        {
            stream.Seek(4, SeekOrigin.Current);
            int data_size = stream.ReadInt32();

            stream.Seek(4, SeekOrigin.Current);
            using (var reader = new Reader(stream.AsStream, 0x22))  // BMP header
            {
                reader.Unpack();
                var bmp = reader.Data;
                if (bmp[0] != 'B' || bmp[1] != 'M')
                {
                    return(null);
                }
                int width  = LittleEndian.ToInt32(bmp, 0x12);
                int height = LittleEndian.ToInt32(bmp, 0x16);
                int bpp    = LittleEndian.ToInt16(bmp, 0x1c);
                return(new GrdMetaData
                {
                    Width = (uint)width,
                    Height = (uint)height,
                    BPP = bpp,
                    DataSize = data_size,
                });
            }
        }
Пример #3
0
        }                                                                 // 'HG-2'

        public override ImageMetaData ReadMetaData(IBinaryStream stream)
        {
            stream.Position = 8;
            var info = new Hg2MetaData();
            int type = stream.ReadInt32();

            if (0x25 == type)
            {
                info.HeaderSize = 0x58;
            }
            else if (0x20 == type)
            {
                info.HeaderSize = 0x50;
            }
            else
            {
                return(null);
            }
            info.Width  = stream.ReadUInt32();
            info.Height = stream.ReadUInt32();
            info.BPP    = stream.ReadInt32();
            stream.Seek(8, SeekOrigin.Current);
            info.DataPacked   = stream.ReadInt32();
            info.DataUnpacked = stream.ReadInt32();
            info.CtlPacked    = stream.ReadInt32();
            info.CtlUnpacked  = stream.ReadInt32();
            stream.Seek(8, SeekOrigin.Current);
            info.CanvasWidth  = stream.ReadUInt32();
            info.CanvasHeight = stream.ReadUInt32();
            info.OffsetX      = stream.ReadInt32();
            info.OffsetY      = stream.ReadInt32();
            return(info);
        }
Пример #4
0
        public WadyInput(IBinaryStream input) : base(new MemoryStream())
        {
            input.Seek(5, SeekOrigin.Begin);
            MulValue = input.ReadUInt8();
            input.Seek(6, SeekOrigin.Current);
            int src_size = input.ReadInt32();

            input.Seek(16, SeekOrigin.Current);
            var format = new WaveFormat();

            format.FormatTag             = input.ReadUInt16();
            format.Channels              = input.ReadUInt16();
            format.SamplesPerSecond      = input.ReadUInt32();
            format.AverageBytesPerSecond = input.ReadUInt32();
            format.BlockAlign            = input.ReadUInt16();
            format.BitsPerSample         = input.ReadUInt16();
            format.ExtraSize             = 0;
            this.Format = format;
            int remaining = (int)(input.Length - input.Position);

            if (remaining == src_size)
            {
                (Source as MemoryStream).Capacity = src_size * 2;
                Decode(input, src_size, Source);
            }
            else
            {
                Decode2(input, Source);
            }
            Source.Position = 0;
            this.PcmSize    = Source.Length;
            input.Dispose();
        }
Пример #5
0
        public override ImageMetaData ReadMetaData(IBinaryStream stream)
        {
            stream.Position = 4;
            if (stream.ReadByte() != '3')
            {
                return(null);
            }
            var rect  = new Rectangle(0, 0, 0, 0);
            int count = stream.ReadInt32();

            for (int i = 0; i < count; ++i)
            {
                stream.ReadInt32();
                int name_length = stream.ReadByte();
                stream.Seek(name_length, SeekOrigin.Current);
                int x = stream.ReadInt32();
                int y = stream.ReadInt32();
                int w = stream.ReadInt32() - x;
                int h = stream.ReadInt32() - y;
                if (name_length > 0)
                {
                    var part_rect = new Rectangle(x, y, w, h);
                    rect = Rectangle.Union(rect, part_rect);
                }
                stream.Seek(12, SeekOrigin.Current);
            }
            uint data_size = stream.ReadUInt32();

            if (data_size > stream.Length - stream.Position)
            {
                return(null);
            }
            return(ReadCompressionMetaData(stream, rect));
        }
Пример #6
0
        /// <summary>
        /// Reads the schema, maintains stream position.
        /// </summary>
        public static int[] GetFieldIds(BinaryObjectHeader hdr, IIgniteInternal ignite, IBinaryStream stream,
                                        int objectPos)
        {
            Debug.Assert(stream != null);

            if (hdr.IsCompactFooter)
            {
                // Get schema from Java
                return(GetFieldIds(hdr, ignite));
            }

            var pos = stream.Position;

            stream.Seek(objectPos + hdr.SchemaOffset, SeekOrigin.Begin);

            var count = hdr.SchemaFieldCount;

            var offsetSize = hdr.SchemaFieldOffsetSize;

            var res = new int[count];

            for (var i = 0; i < count; i++)
            {
                res[i] = stream.ReadInt();
                stream.Seek(offsetSize, SeekOrigin.Current);  // Skip offsets.
            }

            stream.Seek(pos, SeekOrigin.Begin);

            return(res);
        }
Пример #7
0
        void UnpackSv2(byte[] output, int dst, int channels)
        {
            if (channels != 1)
            {
                m_input.Seek((channels - 1) * 4, SeekOrigin.Current);
            }
            int step = channels * 2;

            for (int i = 0; i < channels; ++i)
            {
                ResetBits();
                int   pos       = dst;
                short last_word = 0;
                while (pos < output.Length)
                {
                    int word;
                    if (GetNextBit() != 0)
                    {
                        if (GetNextBit() != 0)
                        {
                            word = GetBits(10) << 6;
                        }
                        else
                        {
                            int repeat;
                            if (GetNextBit() != 0)
                            {
                                int bit_length = 0;
                                do
                                {
                                    ++bit_length;
                                }while (GetNextBit() != 0);
                                repeat = GetBits(bit_length) + 4;
                            }
                            else
                            {
                                repeat = GetBits(2);
                            }
                            word = 0;
                            while (repeat-- > 0)
                            {
                                output[pos]     = 0;
                                output[pos + 1] = 0;
                                pos            += step;
                            }
                        }
                    }
                    else
                    {
                        int adjust = (short)(GetBits(5) << 11) >> 5;
                        word = last_word + adjust;
                    }
                    LittleEndian.Pack((short)word, output, pos);
                    last_word = (short)word;
                    pos      += step;
                }
                dst += 2;
            }
        }
Пример #8
0
        public void Unpack()
        {
            m_input.Position = m_info.DataOffset;
            uint name_length = m_input.ReadUInt32();

            m_input.Seek(name_length, SeekOrigin.Current);
            uint mask = m_input.ReadUInt32();

            m_input.Seek(9, SeekOrigin.Current);
            int layer_count = m_input.ReadInt32();

            if (layer_count < 1)
            {
                throw new InvalidFormatException();
            }

            // XXX only first frame is interpreted.

            var frame = new Frame(layer_count);

            frame.Width  = m_input.ReadInt32();
            frame.Height = m_input.ReadInt32();
            frame.BPP    = m_input.ReadInt32();
            if (frame.BPP <= 0)
            {
                throw new InvalidFormatException();
            }
            if (frame.BPP <= 8)
            {
                frame.Palette = ImageFormat.ReadColorMap(m_input.AsStream, 1 << frame.BPP);
            }
            frame.SetStride();
            m_frames.Add(frame);
            for (int i = 0; i < layer_count; ++i)
            {
                m_input.ReadInt32();    // left
                m_input.ReadInt32();    // top
                m_input.ReadByte();     // visibility
                m_input.ReadInt32();    // (-1) TransColor
                m_input.ReadInt32();    // (0xFF) alpha
                m_input.ReadByte();     // AlphaOn
                name_length = m_input.ReadUInt32();
                m_input.Seek(name_length, SeekOrigin.Current);
                if (m_info.Version >= 107)
                {
                    m_input.ReadByte(); // lock
                }
                var layer      = new Layer();
                int layer_size = m_input.ReadInt32();
                layer.Pixels = UnpackLayer(frame, layer_size);
                int alpha_size = m_input.ReadInt32();
                if (alpha_size != 0)
                {
                    layer.Alpha = UnpackLayer(frame, alpha_size, true);
                }
                frame.Layers.Add(layer);
            }
            Flatten(0);
        }
Пример #9
0
        public List <Entry> Deserialize()
        {
            m_index.Position = 8;
            int count = Binary.BigEndian(m_index.ReadInt32());

            m_name_list = new string[count];
            for (int i = 0; i < count; ++i)
            {
                int length = m_index.ReadUInt8();
                m_name_list[i] = m_index.ReadCString(length, Encoding.UTF8);
            }

            count = Binary.BigEndian(m_index.ReadInt32());
            m_dir = new List <Entry> (count);
            for (int i = 0; i < count; ++i)
            {
                m_index.ReadUInt16();
                ushort flags  = Binary.BigEndian(m_index.ReadUInt16());
                uint   offset = Binary.BigEndian(m_index.ReadUInt32());
                uint   size   = Binary.BigEndian(m_index.ReadUInt32());
                var    entry  = new SxEntry {
                    Flags        = flags,
                    Offset       = (long)offset << 4,
                        Size     = size,
                        IsPacked = 0 != (flags & 0x03),
                };
                if (!entry.CheckPlacement(m_max_offset))
                {
                    return(null);
                }
                m_dir.Add(entry);
            }

            count = Binary.BigEndian(m_index.ReadUInt16());
            for (int i = 0; i < count; ++i)
            {
                m_index.ReadUInt32();
                m_index.ReadUInt32();
                m_index.ReadUInt32();
                Binary.BigEndian(m_index.ReadUInt32()); // archive body length
                m_index.ReadUInt64();
                m_index.Seek(16, SeekOrigin.Current);   // MD5 sum
            }

            count = Binary.BigEndian(m_index.ReadUInt16());
            if (count > 0)
            {
                m_index.Seek(count * 24, SeekOrigin.Current);
            }
            DeserializeTree();
            return(m_dir);
        }
Пример #10
0
        }                                                                 // 'dcf '

        public override ImageMetaData ReadMetaData(IBinaryStream stream)
        {
            stream.Seek(4, SeekOrigin.Current);
            uint header_size = stream.ReadUInt32();
            long data_pos    = stream.Position + header_size;

            if (stream.ReadInt32() != 1)
            {
                return(null);
            }
            uint width       = stream.ReadUInt32();
            uint height      = stream.ReadUInt32();
            int  bpp         = stream.ReadInt32();
            int  name_length = stream.ReadInt32();

            if (name_length <= 0)
            {
                return(null);
            }
            int shift     = (name_length % 7) + 1;
            var name_bits = stream.ReadBytes(name_length);

            for (int i = 0; i < name_length; ++i)
            {
                name_bits[i] = Binary.RotByteL(name_bits[i], shift);
            }
            return(new DcfMetaData
            {
                Width = width,
                Height = height,
                BPP = bpp,
                BaseName = Encodings.cp932.GetString(name_bits),
                DataOffset = data_pos,
            });
        }
Пример #11
0
 public void Unpack()
 {
     if (2 == m_type)
     {
         while (0 != m_input.ReadUInt8())
         {
             int size = m_input.ReadInt32();
             if (size < 4)
             {
                 throw new InvalidFormatException();
             }
             m_input.Seek(size - 4, SeekOrigin.Current);
         }
     }
     if (8 == m_bpp)
     {
         Format = PixelFormats.Indexed8;
         UnpackPalette();
         UnpackIndexed(m_output);
     }
     else if (24 == m_bpp)
     {
         Format = PixelFormats.Bgr24;
         UnpackRGB();
     }
     else
     {
         Format = PixelFormats.Bgra32;
         UnpackRGBA();
         UnpackAlpha();
     }
 }
Пример #12
0
        public string LoadRioTypeCore(out uint signature)
        {
            signature = m_input.ReadUInt32();
            if (!CoreSignatures.Contains(signature))
            {
                throw new InvalidFormatException("[RIO] invalid signature");
            }
            int version = ReadUInt16();

            if (version >= 0x10 && version <= 0x3FFF)
            {
                Schema = version;
                if (version >= 0x11)
                {
                    m_field_4C &= 0xFFFF;
                    m_field_4C |= ReadUInt16() << 16;
                }
            }
            else
            {
                m_input.Seek(-2, SeekOrigin.Current);
            }
            if (EncryptedSignature == signature)
            {
                m_field_4C |= 0xC;
            }

            return(ReadClass());
        }
Пример #13
0
 public override ImageMetaData ReadMetaData(IBinaryStream file)
 {
     if (0xFF != file.ReadByte() || 0xD8 != file.ReadByte())
     {
         return(null);
     }
     while (-1 != file.PeekByte())
     {
         ushort marker = Binary.BigEndian(file.ReadUInt16());
         if ((marker & 0xff00) != 0xff00)
         {
             break;
         }
         int length = Binary.BigEndian(file.ReadUInt16());
         if ((marker & 0x00f0) == 0xc0 && marker != 0xffc4)
         {
             if (length < 8)
             {
                 break;
             }
             int  bits       = file.ReadByte();
             uint height     = Binary.BigEndian(file.ReadUInt16());
             uint width      = Binary.BigEndian(file.ReadUInt16());
             int  components = file.ReadByte();
             return(new ImageMetaData {
                 Width = width,
                 Height = height,
                 BPP = bits * components,
             });
         }
         file.Seek(length - 2, SeekOrigin.Current);
     }
     return(null);
 }
Пример #14
0
        public override ImageData Read(IBinaryStream file, ImageMetaData info)
        {
            var meta = (MfgMetaData)info;

            file.Position = 0x14;
            if ('_' != meta.Type)
            {
                for (uint i = 0; i < meta.Height; ++i)
                {
                    uint n = file.ReadUInt32();
                    file.Seek(n * 8, SeekOrigin.Current);
                }
            }
            byte[] pixels = new byte[meta.Stride * info.Height];
            if (pixels.Length != file.Read(pixels, 0, pixels.Length))
            {
                throw new InvalidFormatException("Unexpected end of file");
            }
            PixelFormat format;

            if (24 == meta.BPP)
            {
                format = PixelFormats.Bgr24;
            }
            else
            {
                format = PixelFormats.Bgra32;
            }
            return(ImageData.Create(info, format, null, pixels, meta.Stride));
        }
Пример #15
0
        public override ImageData Read(IBinaryStream file, ImageMetaData info)
        {
            var meta = (GgdMetaData)info;

            file.Position = meta.HeaderSize + 4;
            var palette_data = new byte[0x400];

            if (palette_data.Length != file.Read(palette_data, 0, palette_data.Length))
            {
                throw new InvalidFormatException();
            }
            var colors = new Color[256];

            for (int i = 0; i < 256; ++i)
            {
                colors[i] = Color.FromRgb(palette_data[i * 4 + 2], palette_data[i * 4 + 1], palette_data[i * 4]);
            }
            file.Seek(4, SeekOrigin.Current);
            int input_size = (int)(file.Length - file.Position);

            using (var reader = new LzssReader(file.AsStream, input_size, (int)meta.BitmapSize))
            {
                reader.Unpack();
                var palette = new BitmapPalette(colors);
                int stride  = ((int)meta.Width + 3) & ~3;
                return(ImageData.Create(info, PixelFormats.Indexed8, palette, reader.Data, stride));
            }
        }
Пример #16
0
        public override ImageMetaData ReadMetaData(IBinaryStream file)
        {
            if (file.Signature != CRioArchive.ObjectSignature)
            {
                return(null);
            }
            var  rio = new CRioArchive(file);
            uint signature;
            var  class_ref  = rio.LoadRioTypeCore(out signature);
            uint object_pos = (uint)file.Position;

            if ("CS5i" != class_ref)
            {
                return(null);
            }
            file.Seek(8, SeekOrigin.Current);
            return(new S5iMetaData
            {
                Width = file.ReadUInt16(),
                Height = file.ReadUInt16(),
                BPP = 32,
                ObjectOffset = object_pos,
                Schema = rio.Schema,
            });
        }
Пример #17
0
        /// <summary>
        /// Reads an instance from stream.
        /// </summary>
        /// <param name="stream">The stream.</param>
        /// <param name="position">The position.</param>
        /// <returns>Instance of the header.</returns>
        public static unsafe BinaryObjectHeader Read(IBinaryStream stream, int position)
        {
            Debug.Assert(stream != null);
            Debug.Assert(position >= 0);

            stream.Seek(position, SeekOrigin.Begin);

            BinaryObjectHeader hdr;

            if (BitConverter.IsLittleEndian)
            {
                stream.Read((byte *)&hdr, Size);

                Debug.Assert(hdr.Version == BinaryUtils.ProtoVer);
                Debug.Assert(hdr.SchemaOffset <= hdr.Length);
                Debug.Assert(hdr.SchemaOffset >= Size || !hdr.HasSchema);
            }
            else
            {
                hdr = new BinaryObjectHeader(stream);
            }

            // Only one of the flags can be set
            var f = hdr.Flags;

            Debug.Assert((f & (Flag.OffsetOneByte | Flag.OffsetTwoBytes)) !=
                         (Flag.OffsetOneByte | Flag.OffsetTwoBytes));
            return(hdr);
        }
Пример #18
0
        }                                                                 // 'OGV'

        public override SoundInput TryOpen(IBinaryStream file)
        {
            file.Position = 0xc;
            var header = new byte[8];

            if (8 != file.Read(header, 0, 8))
            {
                return(null);
            }
            if (!Binary.AsciiEqual(header, 0, "fmt "))
            {
                return(null);
            }
            uint offset = LittleEndian.ToUInt32(header, 4);

            file.Seek(offset, SeekOrigin.Current);
            if (8 != file.Read(header, 0, 8))
            {
                return(null);
            }
            if (!Binary.AsciiEqual(header, 0, "data"))
            {
                return(null);
            }

            var input = new StreamRegion(file.AsStream, file.Position);

            return(new OggInput(input));
            // input is left undisposed in case of exception.
        }
Пример #19
0
        }                                                                 // 'GYBP'

        public override ImageMetaData ReadMetaData(IBinaryStream file)
        {
            var header = file.ReadHeader(0x14);

            file.Seek(-0x13, SeekOrigin.End);
            var key = file.ReadBytes(0x13);

            for (int i = 4; i < 0x14; i += 2)
            {
                header[i]     ^= key[0x10];
                header[i + 1] ^= key[0x11];
            }
            for (int i = 0; i < 0x10; ++i)
            {
                header[i + 4] -= key[i];
            }
            return(new GbpMetaData {
                Width = header.ToUInt16(0xE),
                Height = header.ToUInt16(0x10),
                BPP = header.ToUInt16(0x12),
                HeaderSize = header.ToInt32(4),
                DataOffset = header.ToInt32(8),
                Method = header.ToUInt16(0xC),
            });
            // 0x14 -> 32-bit checksum after encryption
        }
Пример #20
0
        List <Entry> ReadIndexV1(IBinaryStream file)
        {
            var max_offset = file.Length;

            file.Position = 8;
            var key_gen = new KeyGenerator(0xDEADCAFE);
            var dir     = new List <Entry>();

            while (file.PeekByte() != -1)
            {
                uint name_length = file.ReadUInt32() ^ key_gen.GetNext();
                var  name_bytes  = file.ReadBytes((int)name_length);
                var  name        = DecryptName(name_bytes, key_gen);
                var  entry       = FormatCatalog.Instance.Create <RgssEntry> (name);
                entry.Size   = file.ReadUInt32() ^ key_gen.GetNext();
                entry.Offset = file.Position;
                entry.Key    = key_gen.Current;
                if (!entry.CheckPlacement(max_offset))
                {
                    return(null);
                }
                dir.Add(entry);
                file.Seek(entry.Size, SeekOrigin.Current);
            }
            return(dir);
        }
Пример #21
0
 public override ImageData Read(IBinaryStream file, ImageMetaData info)
 {
     file.Seek(8, SeekOrigin.Current);
     using (var zstream = new ZLibStream(file.AsStream, CompressionMode.Decompress, true))
         using (var input = new SeekableStream(zstream))
             using (var bmp = new BinaryStream(input, file.Name))
                 return(base.Read(bmp, info));
 }
Пример #22
0
        public override ImageMetaData ReadMetaData(IBinaryStream stream)
        {
            int name_count = stream.ReadInt16();

            if (name_count <= 0 || name_count > 1000)
            {
                return(null);
            }
            for (int i = 0; i < name_count; ++i)
            {
                int name_length = stream.ReadInt32();
                if (name_length <= 0 || name_length > 260)
                {
                    return(null);
                }
                stream.Seek(name_length, SeekOrigin.Current);
            }
            int tile_count = stream.ReadInt16();

            if (tile_count <= 0 || tile_count > 1000)
            {
                return(null);
            }
            var rect = new Rectangle(0, 0, 0, 0);

            for (int i = 0; i < tile_count; ++i)
            {
                int name_length = stream.ReadInt32();
                if (name_length <= 0 || name_length > 260)
                {
                    return(null);
                }
                stream.Seek(name_length + 0xC, SeekOrigin.Current);
                int x         = stream.ReadInt32();
                int y         = stream.ReadInt32();
                int w         = stream.ReadInt32() - x;
                int h         = stream.ReadInt32() - y;
                var part_rect = new Rectangle(x, y, w, h);
                rect = Rectangle.Union(rect, part_rect);
                stream.Seek(0x28, SeekOrigin.Current);
            }
            return(ReadCompressionMetaData(stream, rect));
        }
        /** <inheritdoc /> */
        int IBinaryEqualityComparer.GetHashCode(IBinaryStream stream, int startPos, int length,
                                                BinaryObjectSchemaHolder schema, int schemaId, Marshaller marshaller, IBinaryTypeDescriptor desc)
        {
            Debug.Assert(stream != null);
            Debug.Assert(startPos >= 0);
            Debug.Assert(length >= 0);
            Debug.Assert(schema != null);
            Debug.Assert(marshaller != null);
            Debug.Assert(desc != null);

            Validate();

            stream.Flush();

            // Preserve stream position.
            var pos = stream.Position;

            var reader = marshaller.StartUnmarshal(stream, BinaryMode.ForceBinary);
            var fields = schema.GetFullSchema(schemaId);

            int hash = 0;

            foreach (var fieldName in FieldNames)
            {
                int fieldId   = BinaryUtils.FieldId(desc.TypeId, fieldName, desc.NameMapper, desc.IdMapper);
                int fieldHash = 0;  // Null (missing) field hash code is 0.
                int fieldPos;

                if (fields.TryGetValue(fieldId, out fieldPos))
                {
                    stream.Seek(startPos + fieldPos - BinaryObjectHeader.Size, SeekOrigin.Begin);
                    var fieldVal = reader.Deserialize <object>();
                    fieldHash = fieldVal != null?fieldVal.GetHashCode() : 0;
                }

                hash = 31 * hash + fieldHash;
            }

            // Restore stream position.
            stream.Seek(pos, SeekOrigin.Begin);

            return(hash);
        }
Пример #24
0
        /// <summary>
        /// Unmarshals the value, throwing an exception for nulls.
        /// </summary>
        private T UnmarshalNotNull <T>(IBinaryStream stream)
        {
            var hdr = stream.ReadByte();

            if (hdr == BinaryUtils.HdrNull)
            {
                throw GetKeyNotFoundException();
            }

            stream.Seek(-1, SeekOrigin.Current);

            return(_marsh.Unmarshal <T>(stream, _keepBinary));
        }
Пример #25
0
        /// <summary>
        /// Gets the raw offset of this object in specified stream.
        /// </summary>
        /// <param name="stream">The stream.</param>
        /// <param name="position">The position.</param>
        /// <returns>Raw offset.</returns>
        public int GetRawOffset(IBinaryStream stream, int position)
        {
            Debug.Assert(stream != null);

            if (!HasRaw || !HasSchema)
            {
                return(SchemaOffset);
            }

            stream.Seek(position + Length - 4, SeekOrigin.Begin);

            return(stream.ReadInt());
        }
Пример #26
0
        /// <summary>
        /// Unmarshals the value, wrapping in a cache result.
        /// </summary>
        private CacheResult <T> UnmarshalCacheResult <T>(IBinaryStream stream)
        {
            var hdr = stream.ReadByte();

            if (hdr == BinaryUtils.HdrNull)
            {
                return(new CacheResult <T>());
            }

            stream.Seek(-1, SeekOrigin.Current);

            return(new CacheResult <T>(_marsh.Unmarshal <T>(stream, _keepBinary)));
        }
Пример #27
0
 private void Unpack()
 {
     m_input.Position = 0;
     if (m_colors > 0)
     {
         Palette = ImageFormat.ReadPalette(m_input.AsStream, m_colors);
     }
     if (m_extra > 0)
     {
         m_input.Seek(10 * m_extra + 2, SeekOrigin.Current);
     }
     using (var lzss = new LzssStream(m_input.AsStream, LzssMode.Decompress, true))
         lzss.Read(m_output, 0, m_output.Length);
 }
Пример #28
0
        /// <summary>
        /// Gets the raw offset of this object in specified stream.
        /// </summary>
        /// <param name="stream">The stream.</param>
        /// <param name="position">The binary object position in the stream.</param>
        /// <returns>Raw offset.</returns>
        public int GetRawOffset(IBinaryStream stream, int position)
        {
            Debug.Assert(stream != null);

            // Either schema or raw is not present - offset is in the header.
            if (!HasRaw || !HasSchema)
            {
                return(SchemaOffset);
            }

            // Both schema and raw data are present: raw offset is in the last 4 bytes.
            stream.Seek(position + Length - 4, SeekOrigin.Begin);

            return(stream.ReadInt());
        }
Пример #29
0
 private ImageData Unpack()
 {
     m_input.Position = 0;
     if (m_colors > 0)
     {
         Palette = ImageFormat.ReadPalette(m_input.AsStream, m_colors);
     }
     if (m_extra > 0)
     {
         m_input.Seek(10 * m_extra + 2, SeekOrigin.Current);
     }
     using (var lzss = new LzssStream(m_input.AsStream, LzssMode.Decompress, true))
         lzss.Read(m_output, 0, m_output.Length);
     return(ImageData.CreateFlipped(Info, Format, Palette, m_output, Stride));
 }
Пример #30
0
        protected byte[] ReadDataBytes()
        {
            uint data_pos = m_input.ReadUInt32();
            long ctl_pos  = m_input.Position;

            m_input.Seek(data_pos, SeekOrigin.Current);
            var data = m_input.ReadBytes((int)(m_input.Length - data_pos));

            if (0 == data.Length)
            {
                throw new InvalidFormatException();
            }
            m_input.Position = ctl_pos;
            return(data);
        }
        /// <summary>
        /// Reads the schema according to this header data.
        /// </summary>
        /// <param name="stream">The stream.</param>
        /// <param name="position">The position.</param>
        /// <param name="hdr">The header.</param>
        /// <param name="fieldIdsFunc">The field ids function.</param>
        /// <returns>
        /// Schema.
        /// </returns>
        public static BinaryObjectSchemaField[] ReadSchema(IBinaryStream stream, int position, BinaryObjectHeader hdr, 
            Func<int[]> fieldIdsFunc)
        {
            Debug.Assert(stream != null);
            Debug.Assert(fieldIdsFunc != null);

            var schemaSize = hdr.SchemaFieldCount;

            if (schemaSize == 0)
                return null;

            stream.Seek(position + hdr.SchemaOffset, SeekOrigin.Begin);

            var res = new BinaryObjectSchemaField[schemaSize];

            var offsetSize = hdr.SchemaFieldOffsetSize;

            if (hdr.IsCompactFooter)
            {
                var fieldIds = fieldIdsFunc();

                Debug.Assert(fieldIds.Length == schemaSize);

                if (offsetSize == 1)
                {
                    for (var i = 0; i < schemaSize; i++)
                        res[i] = new BinaryObjectSchemaField(fieldIds[i], stream.ReadByte());

                }
                else if (offsetSize == 2)
                {
                    for (var i = 0; i < schemaSize; i++)
                        res[i] = new BinaryObjectSchemaField(fieldIds[i], stream.ReadShort());
                }
                else
                {
                    for (var i = 0; i < schemaSize; i++)
                        res[i] = new BinaryObjectSchemaField(fieldIds[i], stream.ReadInt());
                }
            }
            else
            {
                if (offsetSize == 1)
                {
                    for (var i = 0; i < schemaSize; i++)
                        res[i] = new BinaryObjectSchemaField(stream.ReadInt(), stream.ReadByte());
                }
                else if (offsetSize == 2)
                {
                    for (var i = 0; i < schemaSize; i++)
                        res[i] = new BinaryObjectSchemaField(stream.ReadInt(), stream.ReadShort());
                }
                else
                {
                    for (var i = 0; i < schemaSize; i++)
                        res[i] = new BinaryObjectSchemaField(stream.ReadInt(), stream.ReadInt());
                }
            }

            return res;
        }
Пример #32
0
        /// <summary>
        /// Invokes a store operation.
        /// </summary>
        /// <param name="stream">Input stream.</param>
        /// <param name="grid">Grid.</param>
        /// <returns>Invocation result.</returns>
        /// <exception cref="IgniteException">Invalid operation type:  + opType</exception>
        public int Invoke(IBinaryStream stream, Ignite grid)
        {
            IBinaryReader reader = grid.Marshaller.StartUnmarshal(stream,
                _convertBinary ? BinaryMode.Deserialize : BinaryMode.ForceBinary);
            
            IBinaryRawReader rawReader = reader.GetRawReader();

            int opType = rawReader.ReadByte();

            // Setup cache session for this invocation.
            long sesId = rawReader.ReadLong();
            
            CacheStoreSession ses = grid.HandleRegistry.Get<CacheStoreSession>(sesId, true);

            ses.CacheName = rawReader.ReadString();

            _sesProxy.SetSession(ses);

            try
            {
                // Perform operation.
                switch (opType)
                {
                    case OpLoadCache:
                    {
                        var args = rawReader.ReadArray<object>();

                        stream.Seek(0, SeekOrigin.Begin);

                        int cnt = 0;
                        stream.WriteInt(cnt); // Reserve space for count.

                        var writer = grid.Marshaller.StartMarshal(stream);

                        _store.LoadCache((k, v) =>
                        {
                            lock (writer) // User-defined store can be multithreaded.
                            {
                                writer.WithDetach(w =>
                                {
                                    w.WriteObject(k);
                                    w.WriteObject(v);
                                });

                                cnt++;
                            }
                        }, args);

                        stream.WriteInt(0, cnt);

                        grid.Marshaller.FinishMarshal(writer);

                        break;
                    }

                    case OpLoad:
                    {
                        var val = _store.Load(rawReader.ReadObject<object>());

                        stream.Seek(0, SeekOrigin.Begin);

                        var writer = grid.Marshaller.StartMarshal(stream);

                        writer.WriteObject(val);

                        grid.Marshaller.FinishMarshal(writer);

                        break;
                    }

                    case OpLoadAll:
                    {
                        var keys = rawReader.ReadCollection();

                        var result = _store.LoadAll(keys);

                        stream.Seek(0, SeekOrigin.Begin);

                        stream.WriteInt(result.Count);

                        var writer = grid.Marshaller.StartMarshal(stream);

                        foreach (DictionaryEntry entry in result)
                        {
                            var entry0 = entry;  // Copy modified closure.

                            writer.WithDetach(w =>
                            {
                                w.WriteObject(entry0.Key);
                                w.WriteObject(entry0.Value);
                            });
                        }

                        grid.Marshaller.FinishMarshal(writer);

                        break;
                    }

                    case OpPut:
                        _store.Write(rawReader.ReadObject<object>(), rawReader.ReadObject<object>());

                        break;

                    case OpPutAll:
                        var size = rawReader.ReadInt();

                        var dict = new Hashtable(size);

                        for (int i = 0; i < size; i++)
                            dict[rawReader.ReadObject<object>()] = rawReader.ReadObject<object>();

                        _store.WriteAll(dict);

                        break;

                    case OpRmv:
                        _store.Delete(rawReader.ReadObject<object>());

                        break;

                    case OpRmvAll:
                        _store.DeleteAll(rawReader.ReadCollection());

                        break;

                    case OpSesEnd:
                        grid.HandleRegistry.Release(sesId);

                        _store.SessionEnd(rawReader.ReadBoolean());

                        break;

                    default:
                        throw new IgniteException("Invalid operation type: " + opType);
                }

                return 0;
            }
            finally
            {
                _sesProxy.ClearSession();
            }
        }
Пример #33
0
        /// <summary>
        /// Tests the stream.
        /// </summary>
        private static unsafe void TestStream(IBinaryStream stream, bool sameArr, Action flush)
        {
            Action seek = () => Assert.AreEqual(0, stream.Seek(0, SeekOrigin.Begin));

            Action<Action, Func<object>, object> check = (write, read, expectedResult) =>
            {
                seek();
                write();
                flush();
                seek();
                Assert.AreEqual(expectedResult, read());
            };

            // Arrays.
            Assert.AreEqual(sameArr, stream.IsSameArray(stream.GetArray()));
            Assert.IsFalse(stream.IsSameArray(new byte[1]));
            Assert.IsFalse(stream.IsSameArray(stream.GetArrayCopy()));

            // byte*
            byte* bytes = stackalloc byte[10];
            *bytes = 1;
            *(bytes + 1) = 2;

            stream.Write(bytes, 2);
            Assert.AreEqual(2, stream.Position);
            flush();

            seek();
            Assert.AreEqual(sameArr ? 256 : 2, stream.Remaining);
            byte* bytes2 = stackalloc byte[2];
            stream.Read(bytes2, 2);
            Assert.AreEqual(1, *bytes2);
            Assert.AreEqual(2, *(bytes2 + 1));

            // char*
            seek();
            char* chars = stackalloc char[10];
            *chars = 'a';
            *(chars + 1) = 'b';

            Assert.AreEqual(2, stream.WriteString(chars, 2, 2, Encoding.ASCII));
            flush();

            seek();
            stream.Read(bytes2, 2);
            Assert.AreEqual('a', *bytes2);
            Assert.AreEqual('b', *(bytes2 + 1));

            // Others.
            check(() => stream.Write(new byte[] {3, 4, 5}, 1, 2), () => stream.ReadByteArray(2), new byte[] {4, 5});

            check(() => stream.WriteBool(true), () => stream.ReadBool(), true);
            check(() => stream.WriteBoolArray(new[] {true, false}), () => stream.ReadBoolArray(2), 
                new[] {true, false});

            check(() => stream.WriteByte(4), () => stream.ReadByte(), 4);
            check(() => stream.WriteByteArray(new byte[] {4, 5, 6}), () => stream.ReadByteArray(3), 
                new byte[] {4, 5, 6});

            check(() => stream.WriteChar('x'), () => stream.ReadChar(), 'x');
            check(() => stream.WriteCharArray(new[] {'a', 'b'}), () => stream.ReadCharArray(2), new[] {'a', 'b'});

            check(() => stream.WriteDouble(4), () => stream.ReadDouble(), 4d);
            check(() => stream.WriteDoubleArray(new[] {4d}), () => stream.ReadDoubleArray(1), new[] {4d});

            check(() => stream.WriteFloat(4), () => stream.ReadFloat(), 4f);
            check(() => stream.WriteFloatArray(new[] {4f}), () => stream.ReadFloatArray(1), new[] {4f});

            check(() => stream.WriteInt(4), () => stream.ReadInt(), 4);
            check(() => stream.WriteInt(0, 4), () => stream.ReadInt(), 4);
            check(() => stream.WriteIntArray(new[] {4}), () => stream.ReadIntArray(1), new[] {4});

            check(() => stream.WriteLong(4), () => stream.ReadLong(), 4L);
            check(() => stream.WriteLongArray(new[] {4L}), () => stream.ReadLongArray(1), new[] {4L});

            check(() => stream.WriteShort(4), () => stream.ReadShort(), (short)4);
            check(() => stream.WriteShortArray(new short[] {4}), () => stream.ReadShortArray(1), new short[] {4});
        }