ThingsGateway/framework/Foundation/ThingsGateway.Foundation/Foundation/BaseReadWrite/ReadWriteDevicesExtensions.cs

#region copyright
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#endregion

namespace ThingsGateway.Foundation.Core;

/// <summary>
/// 读写扩展方法
/// </summary>
public static class ReadWriteDevicesExtensions
{

    /// <summary>
    /// 在返回的字节数组中解析每个变量的值
    /// 根据每个变量的<see cref="IDeviceVariableRunTime.Index"/>
    /// 不支持变长字符串类型变量，一定不能存在于变量List中
    /// </summary>
    /// <param name="values">设备变量List</param>
    /// <param name="plc">设备</param>
    /// <param name="buffer">返回的字节数组</param>
    /// <param name="startIndex">开始序号</param>
    public static void PraseStructContent<T>(this IList<T> values, IReadWrite plc, byte[] buffer, int startIndex = 0) where T : IDeviceVariableRunTime
    {
        foreach (IDeviceVariableRunTime organizedVariable in values)
        {
            var deviceValue = organizedVariable;
            IThingsGatewayBitConverter byteConverter = deviceValue.ThingsGatewayBitConverter;
            var dataType = organizedVariable.DataTypeEnum;
            int index = organizedVariable.Index;
            switch (dataType)
            {
                case DataTypeEnum.String:
                    Set(organizedVariable, byteConverter.ToString(buffer, index + startIndex, byteConverter.Length ?? 1));
                    break;
                case DataTypeEnum.Boolean:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToBoolean(buffer, index + (startIndex * 8), byteConverter.Length.Value, plc.IsBitReverse(organizedVariable.VariableAddress)) :
                        byteConverter.ToBoolean(buffer, index + (startIndex * 8), plc.IsBitReverse(organizedVariable.VariableAddress))
                        );
                    break;
                case DataTypeEnum.Byte:
                    Set(organizedVariable,
                        byteConverter.Length > 1 ?
                        byteConverter.ToByte(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToByte(buffer, index + startIndex));
                    break;
                case DataTypeEnum.Int16:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToInt16(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToInt16(buffer, index + startIndex));
                    break;
                case DataTypeEnum.UInt16:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToUInt16(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToUInt16(buffer, index + startIndex));
                    break;
                case DataTypeEnum.Int32:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToInt32(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToInt32(buffer, index + startIndex));
                    break;
                case DataTypeEnum.UInt32:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToUInt32(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToUInt32(buffer, index + startIndex));
                    break;
                case DataTypeEnum.Int64:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToInt64(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToInt64(buffer, index + startIndex));
                    break;
                case DataTypeEnum.UInt64:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToUInt64(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToUInt64(buffer, index + startIndex));
                    break;
                case DataTypeEnum.Single:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToSingle(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToSingle(buffer, index + startIndex));
                    break;
                case DataTypeEnum.Double:
                    Set(organizedVariable,
                         byteConverter.Length > 1 ?
                        byteConverter.ToDouble(buffer, index + (startIndex), byteConverter.Length.Value) :
                        byteConverter.ToDouble(buffer, index + startIndex));
                    break;
                default:
                    break;
            }

        }
        static void Set(IDeviceVariableRunTime organizedVariable, object num)
        {
            var operResult = organizedVariable.SetValue(num); ;
            if (!operResult.IsSuccess)
            {
                throw new Exception(operResult.Message);
            }
        }

    }


}