Example #1
0
        /// <summary>
        /// Writes a primitive array to the stream.
        /// </summary>
        /// <typeparam name="T">The element type of the primitive array. Valid element types can be determined using <see cref="FormatterUtilities.IsPrimitiveArrayType(Type)" />.</typeparam>
        /// <param name="array">The primitive array to write.</param>
        /// <exception cref="System.ArgumentException">Type  + typeof(T).Name +  is not a valid primitive array type.</exception>
        /// <exception cref="System.ArgumentNullException">array</exception>
        public override void WritePrimitiveArray <T>(T[] array)
        {
            if (FormatterUtilities.IsPrimitiveArrayType(typeof(T)) == false)
            {
                throw new ArgumentException("Type " + typeof(T).Name + " is not a valid primitive array type.");
            }

            if (array == null)
            {
                throw new ArgumentNullException("array");
            }

            Action <string, T> writer = (Action <string, T>) this.primitiveTypeWriters[typeof(T)];

            this.WriteInt64(JsonConfig.PRIMITIVE_ARRAY_LENGTH_SIG, array.Length);
            this.WriteEntry(JsonConfig.PRIMITIVE_ARRAY_CONTENT_SIG, "[");
            this.forceNoSeparatorNextLine = true;
            this.PushArray();

            for (int i = 0; i < array.Length; i++)
            {
                writer(null, array[i]);
            }

            this.PopArray();
            this.StartNewLine(true);
            this.writer.Write("]");
        }
        /// <summary>
        /// Reads a primitive array value. This call will succeed if the next entry is an <see cref="EntryType.PrimitiveArray" />.
        /// <para />
        /// If the call fails (and returns <c>false</c>), it will skip the current entry value, unless that entry is an <see cref="EntryType.EndOfNode" /> or an <see cref="EntryType.EndOfArray" />.
        /// </summary>
        /// <typeparam name="T">The element type of the primitive array. Valid element types can be determined using <see cref="FormatterUtilities.IsPrimitiveArrayType(Type)" />.</typeparam>
        /// <param name="array">The resulting primitive array.</param>
        /// <returns>
        ///   <c>true</c> if reading a primitive array succeeded, otherwise <c>false</c>
        /// </returns>
        /// <exception cref="System.ArgumentException">Type  + typeof(T).Name +  is not a valid primitive array type.</exception>
        public override bool ReadPrimitiveArray <T>(out T[] array)
        {
            if (FormatterUtilities.IsPrimitiveArrayType(typeof(T)) == false)
            {
                throw new ArgumentException("Type " + typeof(T).Name + " is not a valid primitive array type.");
            }

            this.PeekEntry();

            if (this.peekedEntryType == EntryType.PrimitiveArray)
            {
                this.PushArray();

                if (this.peekedEntryName != JsonConfig.PRIMITIVE_ARRAY_LENGTH_SIG)
                {
                    this.Context.Config.DebugContext.LogError("Array entry wasn't preceded by an array length entry!");
                    array = null; // No array content for you!
                    return(false);
                }
                else
                {
                    int intLength;

                    if (int.TryParse(this.peekedEntryContent, NumberStyles.Any, CultureInfo.InvariantCulture, out intLength) == false)
                    {
                        this.Context.Config.DebugContext.LogError("Failed to parse array length: " + this.peekedEntryContent);
                        array = null; // No array content for you!
                        return(false);
                    }

                    this.ReadToNextEntry();

                    if (this.peekedEntryName != JsonConfig.PRIMITIVE_ARRAY_CONTENT_SIG)
                    {
                        this.Context.Config.DebugContext.LogError("Failed to find primitive array content entry after array length entry!");
                        array = null; // No array content for you!
                        return(false);
                    }

                    this.peekedEntryType = null;

                    Func <T> reader = (Func <T>) this.primitiveArrayReaders[typeof(T)];
                    array = new T[intLength];

                    for (int i = 0; i < intLength; i++)
                    {
                        array[i] = reader();
                    }

                    this.ExitArray();
                    return(true);
                }
            }
            else
            {
                this.SkipEntry();
                array = null;
                return(false);
            }
        }
Example #3
0
        public bool TryGetFormatter(Type type, FormatterLocationStep step, ISerializationPolicy policy, out IFormatter formatter)
        {
            if (!type.IsArray)
            {
                formatter = null;
                return(false);
            }

            if (type.GetArrayRank() == 1)
            {
                if (FormatterUtilities.IsPrimitiveArrayType(type.GetElementType()))
                {
                    formatter = (IFormatter)Activator.CreateInstance(typeof(PrimitiveArrayFormatter <>).MakeGenericType(type.GetElementType()));
                }
                else
                {
                    formatter = (IFormatter)Activator.CreateInstance(typeof(ArrayFormatter <>).MakeGenericType(type.GetElementType()));
                }
            }
            else
            {
                formatter = (IFormatter)Activator.CreateInstance(typeof(MultiDimensionalArrayFormatter <,>).MakeGenericType(type, type.GetElementType()));
            }

            return(true);
        }
        /// <summary>
        /// Reads a primitive array value. This call will succeed if the next entry is an <see cref="EntryType.PrimitiveArray" />.
        /// <para />
        /// If the call fails (and returns <c>false</c>), it will skip the current entry value, unless that entry is an <see cref="EntryType.EndOfNode" /> or an <see cref="EntryType.EndOfArray" />.
        /// </summary>
        /// <typeparam name="T">The element type of the primitive array. Valid element types can be determined using <see cref="FormatterUtilities.IsPrimitiveArrayType(Type)" />.</typeparam>
        /// <param name="array">The resulting primitive array.</param>
        /// <returns>
        ///   <c>true</c> if reading a primitive array succeeded, otherwise <c>false</c>
        /// </returns>
        /// <exception cref="System.ArgumentException">Type  + typeof(T).Name +  is not a valid primitive array type.</exception>
        public override bool ReadPrimitiveArray <T>(out T[] array)
        {
            if (FormatterUtilities.IsPrimitiveArrayType(typeof(T)) == false)
            {
                throw new ArgumentException("Type " + typeof(T).Name + " is not a valid primitive array type.");
            }

            if (this.peekedEntryType != EntryType.PrimitiveArray)
            {
                this.SkipEntry();
                array = null;
                return(false);
            }

            if (typeof(T) == typeof(byte))
            {
                array = (T[])(object)ProperBitConverter.HexStringToBytes(this.peekedEntryData);
                return(true);
            }
            else
            {
                this.PeekEntry();

                long length;

                if (this.peekedEntryType != EntryType.PrimitiveArray)
                {
                    this.Context.Config.DebugContext.LogError("Expected entry of type '" + EntryType.StartOfArray + "' when reading primitive array but got entry of type '" + this.peekedEntryType + "'.");
                    this.SkipEntry();
                    array = new T[0];
                    return(false);
                }

                if (!long.TryParse(this.peekedEntryData, NumberStyles.Any, CultureInfo.InvariantCulture, out length))
                {
                    this.Context.Config.DebugContext.LogError("Failed to parse primitive array length from entry data '" + this.peekedEntryData + "'.");
                    this.SkipEntry();
                    array = new T[0];
                    return(false);
                }

                this.ConsumeCurrentEntry();
                this.PushArray();

                array = new T[length];

                Func <T> reader = (Func <T>) this.primitiveTypeReaders[typeof(T)];

                for (int i = 0; i < length; i++)
                {
                    array[i] = reader();
                }

                this.ExitArray();
                return(true);
            }
        }
        /// <summary>
        /// Writes a primitive array to the stream.
        /// </summary>
        /// <typeparam name="T">The element type of the primitive array. Valid element types can be determined using <see cref="FormatterUtilities.IsPrimitiveArrayType(Type)" />.</typeparam>
        /// <param name="array">The primitive array to write.</param>
        /// <exception cref="System.ArgumentException">Type  + typeof(T).Name +  is not a valid primitive array type.</exception>
        public override void WritePrimitiveArray <T>(T[] array)
        {
            if (FormatterUtilities.IsPrimitiveArrayType(typeof(T)) == false)
            {
                throw new ArgumentException("Type " + typeof(T).Name + " is not a valid primitive array type.");
            }

            int bytesPerElement = PrimitiveSizes[typeof(T)];
            int byteCount       = array.Length * bytesPerElement;

            // Write entry flag
            this.Stream.WriteByte((byte)BinaryEntryType.PrimitiveArray);

            // Write array length
            ProperBitConverter.GetBytes(this.buffer, 0, array.Length);
            this.Stream.Write(this.buffer, 0, 4);

            // Write size of an element in bytes
            ProperBitConverter.GetBytes(this.buffer, 0, bytesPerElement);
            this.Stream.Write(this.buffer, 0, 4);

            // Write the actual array content
            if (typeof(T) == typeof(byte))
            {
                // We can include a special case for byte arrays, as there's no need to copy that to a buffer
                var byteArray = (byte[])(object)array;
                this.Stream.Write(byteArray, 0, byteCount);
            }
            else
            {
                // Otherwise we copy to a buffer in order to write the entire array into the stream with one call
                using (var tempBuffer = Buffer <byte> .Claim(byteCount))
                {
                    if (BitConverter.IsLittleEndian)
                    {
                        // We always store in little endian, so we can do a direct memory mapping, which is a lot faster
                        UnsafeUtilities.MemoryCopy(array, tempBuffer.Array, byteCount, 0, 0);
                    }
                    else
                    {
                        // We have to convert each individual element to bytes, since the byte order has to be reversed
                        Action <byte[], int, T> toBytes = (Action <byte[], int, T>)PrimitiveGetBytesMethods[typeof(T)];
                        var b = tempBuffer.Array;

                        for (int i = 0; i < array.Length; i++)
                        {
                            toBytes(b, i * bytesPerElement, array[i]);
                        }
                    }

                    this.Stream.Write(tempBuffer.Array, 0, byteCount);
                }
            }
        }
        /// <summary>
        /// Not yet documented.
        /// </summary>
        public override void WritePrimitiveArray <T>(T[] array)
        {
            if (FormatterUtilities.IsPrimitiveArrayType(typeof(T)) == false)
            {
                throw new ArgumentException("Type " + typeof(T).Name + " is not a valid primitive array type.");
            }

            if (typeof(T) == typeof(byte))
            {
                string hex = ProperBitConverter.BytesToHexString((byte[])(object)array);

                this.Nodes.Add(new SerializationNode()
                {
                    Name  = string.Empty,
                    Entry = EntryType.PrimitiveArray,
                    Data  = hex
                });
            }
            else
            {
                this.Nodes.Add(new SerializationNode()
                {
                    Name  = string.Empty,
                    Entry = EntryType.PrimitiveArray,
                    Data  = array.LongLength.ToString(CultureInfo.InvariantCulture)
                });

                this.PushArray();

                Action <string, T> writer = (Action <string, T>) this.primitiveTypeWriters[typeof(T)];

                for (int i = 0; i < array.Length; i++)
                {
                    writer(string.Empty, array[i]);
                }

                this.EndArrayNode();
            }
        }