//******************************************************************************************************//  CommandCell.cs - Gbtc////  Copyright © 2012, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may//  not use this file except in compliance with the License. You may obtain a copy of the License at:////      http://www.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  01/14/2005 - J. Ritchie Carroll//       Generated original version of source code.//  09/15/2009 - Stephen C. Wills//       Added new header and license agreement.//  10/5/2012 - Gavin E. Holden//       Added new header and license agreement.//  12/17/2012 - Starlynn Danyelle Gilliam//       Modified Header.////****************************************************************************************************** using System;using System.Collections.Generic;using System.Runtime.Serialization; namespace GSF.PhasorProtocols{    /// <summary>    /// Represents the protocol independent common implementation of an element of extended data for cells in a <see cref="ICommandFrame"/>.    /// </summary>    [Serializable]    public class CommandCell : ChannelCellBase, ICommandCell    {        #region [ Members ]         // Fields        private byte m_extendedDataByte;         #endregion         #region [ Constructors ]         /// <summary>        /// Creates a new <see cref="CommandCell"/> from specified parameters.        /// </summary>        /// <param name="parent">A reference to the parent <see cref="ICommandFrame"/> for this <see cref="CommandCell"/>.</param>        /// <param name="extendedDataByte">Extended data <see cref="byte"/> that represents this <see cref="CommandCell"/>.</param>        public CommandCell(ICommandFrame parent, byte extendedDataByte)            : base(parent, 0)        {            m_extendedDataByte = extendedDataByte;        }         /// <summary>        /// Creates a new <see cref="CommandCell"/> from serialization parameters.        /// </summary>        /// <param name="info">The <see cref="SerializationInfo"/> with populated with data.</param>        /// <param name="context">The source <see cref="StreamingContext"/> for this deserialization.</param>        protected CommandCell(SerializationInfo info, StreamingContext context)            : base(info, context)        {            // Deserialize command cell value            m_extendedDataByte = info.GetByte("extendedDataByte");        }         #endregion         #region [ Properties ]         /// <summary>        /// Gets or sets a reference to the parent <see cref="ICommandFrame"/> for this <see cref="CommandCell"/>.        /// </summary>        public new virtual ICommandFrame Parent        {            get => base.Parent as ICommandFrame;            set => base.Parent = value;        }         /// <summary>        /// Gets or sets extended data <see cref="byte"/> that represents this <see cref="CommandCell"/>.        /// </summary>        public virtual byte ExtendedDataByte        {            get => m_extendedDataByte;            set => m_extendedDataByte = value;        }         /// <summary>        /// Gets the length of the <see cref="BodyImage"/>.        /// </summary>        protected override int BodyLength => 1;         /// <summary>        /// Gets the binary body image of the <see cref="CommandCell"/> object.        /// </summary>        protected override byte[] BodyImage        {            get            {                return new[] { m_extendedDataByte };            }        }         /// <summary>        /// <see cref="Dictionary{TKey,TValue}"/> of string based property names and values for the <see cref="CommandCell"/> object.        /// </summary>        public override Dictionary<string, string> Attributes        {            get            {                Dictionary<string, string> baseAttributes = base.Attributes;                 baseAttributes.Add("Extended Data Byte", $"0x{ExtendedDataByte:x}");                 return baseAttributes;            }        }         #endregion         #region [ Methods ]         /// <summary>        /// Parses the binary body image.        /// </summary>        /// <param name="buffer">Binary image to parse.</param>        /// <param name="startIndex">Start index into <paramref name="buffer"/> to begin parsing.</param>        /// <param name="length">Length of valid data within <paramref name="buffer"/>.</param>        /// <returns>The length of the data that was parsed.</returns>        protected override int ParseBodyImage(byte[] buffer, int startIndex, int length)        {            // Length is validated at a frame level well in advance so that low level parsing routines do not have            // to re-validate that enough length is available to parse needed information as an optimization...             m_extendedDataByte = buffer[startIndex];             return 1;        }         /// <summary>        /// Populates a <see cref="SerializationInfo"/> with the data needed to serialize the target object.        /// </summary>        /// <param name="info">The <see cref="SerializationInfo"/> to populate with data.</param>        /// <param name="context">The destination <see cref="StreamingContext"/> for this serialization.</param>        public override void GetObjectData(SerializationInfo info, StreamingContext context)        {            base.GetObjectData(info, context);             // Serialize command cell value            info.AddValue("extendedDataByte", m_extendedDataByte);        }         #endregion         #region [ Static ]         // Static Methods         // Create new command cell delegate handler        internal static ICommandCell CreateNewCell(IChannelFrame parent, IChannelFrameParsingState<ICommandCell> state, int index, byte[] buffer, int startIndex, out int parsedLength)        {            parsedLength = 1;            return new CommandCell(parent as ICommandFrame, buffer[startIndex])            {                IDCode = (ushort)index            };        }         #endregion    }}