HslReflectionHelper.cs
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using System;
using System.Linq.Expressions;
using System.Reflection;
namespace HslCommunication.Core
{
/// <summary>
/// 反射的辅助类
/// </summary>
public class HslReflectionHelper
{
/// <summary>
/// 从设备里读取支持Hsl特性的数据内容，该特性为<see cref="HslDeviceAddressAttribute"/>，详细参考论坛的操作说明。
/// </summary>
/// <typeparam name="T">自定义的数据类型对象</typeparam>
/// <param name="readWrite">读写接口的实现</param>
/// <returns>包含是否成功的结果对象</returns>
public static OperateResult<T> Read<T>(IReadWriteNet readWrite) where T : class, new()
{
var type = typeof(T);
// var constrcuor = type.GetConstructors( System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic );
var obj = type.Assembly.CreateInstance(type.FullName);
var properties = type.GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
foreach (var property in properties)
{
var attribute = property.GetCustomAttributes(typeof(HslDeviceAddressAttribute), false);
if (attribute == null) continue;
HslDeviceAddressAttribute hslAttribute = null;
for (int i = 0; i < attribute.Length; i++)
{
HslDeviceAddressAttribute tmp = (HslDeviceAddressAttribute)attribute[i];
if (tmp.deviceType != null && tmp.deviceType == readWrite.GetType())
{
hslAttribute = tmp;
break;
}
}
if (hslAttribute == null)
{
for (int i = 0; i < attribute.Length; i++)
{
HslDeviceAddressAttribute tmp = (HslDeviceAddressAttribute)attribute[i];
if (tmp.deviceType == null)
{
hslAttribute = tmp;
break;
}
}
}
if (hslAttribute == null) continue;
Type propertyType = property.PropertyType;
if (propertyType == typeof(short))
{
OperateResult<short> valueResult = readWrite.ReadInt16(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(short[]))
{
OperateResult<short[]> valueResult = readWrite.ReadInt16(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(ushort))
{
OperateResult<ushort> valueResult = readWrite.ReadUInt16(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(ushort[]))
{
OperateResult<ushort[]> valueResult = readWrite.ReadUInt16(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(int))
{
OperateResult<int> valueResult = readWrite.ReadInt32(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(int[]))
{
OperateResult<int[]> valueResult = readWrite.ReadInt32(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(uint))
{
OperateResult<uint> valueResult = readWrite.ReadUInt32(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(uint[]))
{
OperateResult<uint[]> valueResult = readWrite.ReadUInt32(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(long))
{
OperateResult<long> valueResult = readWrite.ReadInt64(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(long[]))
{
OperateResult<long[]> valueResult = readWrite.ReadInt64(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(ulong))
{
OperateResult<ulong> valueResult = readWrite.ReadUInt64(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(ulong[]))
{
OperateResult<ulong[]> valueResult = readWrite.ReadUInt64(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(float))
{
OperateResult<float> valueResult = readWrite.ReadFloat(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(float[]))
{
OperateResult<float[]> valueResult = readWrite.ReadFloat(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(double))
{
OperateResult<double> valueResult = readWrite.ReadDouble(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(double[]))
{
OperateResult<double[]> valueResult = readWrite.ReadDouble(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(string))
{
OperateResult<string> valueResult = readWrite.ReadString(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(byte[]))
{
OperateResult<byte[]> valueResult = readWrite.Read(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(bool))
{
OperateResult<bool> valueResult = readWrite.ReadBool(hslAttribute.address);
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
else if (propertyType == typeof(bool[]))
{
OperateResult<bool[]> valueResult = readWrite.ReadBool(hslAttribute.address, (ushort)(hslAttribute.length > 0 ? hslAttribute.length : 1));
if (!valueResult.IsSuccess) return OperateResult.CreateFailedResult<T>(valueResult);
property.SetValue(obj, valueResult.Content, null);
}
}
return OperateResult.CreateSuccessResult((T)obj);
}
/// <summary>
/// 从设备里读取支持Hsl特性的数据内容，该特性为<see cref="HslDeviceAddressAttribute"/>，详细参考论坛的操作说明。
/// </summary>
/// <typeparam name="T">自定义的数据类型对象</typeparam>
/// <param name="data">自定义的数据对象</param>
/// <param name="readWrite">数据读写对象</param>
/// <returns>包含是否成功的结果对象</returns>
/// <exception cref="ArgumentNullException"></exception>
public static OperateResult Write<T>(T data, IReadWriteNet readWrite) where T : class, new()
{
if (data == null) throw new ArgumentNullException(nameof(data));
var type = typeof(T);
var obj = data;
var properties = type.GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public);
foreach (var property in properties)
{
var attribute = property.GetCustomAttributes(typeof(HslDeviceAddressAttribute), false);
if (attribute == null) continue;
HslDeviceAddressAttribute hslAttribute = null;
for (int i = 0; i < attribute.Length; i++)
{
HslDeviceAddressAttribute tmp = (HslDeviceAddressAttribute)attribute[i];
if (tmp.deviceType != null && tmp.deviceType == readWrite.GetType())
{
hslAttribute = tmp;
break;
}
}
if (hslAttribute == null)
{
for (int i = 0; i < attribute.Length; i++)
{
HslDeviceAddressAttribute tmp = (HslDeviceAddressAttribute)attribute[i];
if (tmp.deviceType == null)
{
hslAttribute = tmp;
break;
}
}
}
if (hslAttribute == null) continue;
Type propertyType = property.PropertyType;
if (propertyType == typeof(short))
{
short value = (short)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(short[]))
{
short[] value = (short[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(ushort))
{
ushort value = (ushort)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(ushort[]))
{
ushort[] value = (ushort[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(int))
{
int value = (int)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(int[]))
{
int[] value = (int[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(uint))
{
uint value = (uint)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(uint[]))
{
uint[] value = (uint[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(long))
{
long value = (long)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(long[]))
{
long[] value = (long[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(ulong))
{
ulong value = (ulong)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(ulong[]))
{
ulong[] value = (ulong[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(float))
{
float value = (float)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(float[]))
{
float[] value = (float[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(double))
{
double value = (double)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(double[]))
{
double[] value = (double[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(string))
{
string value = (string)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(byte[]))
{
byte[] value = (byte[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(bool))
{
bool value = (bool)property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
else if (propertyType == typeof(bool[]))
{
bool[] value = (bool[])property.GetValue(obj, null);
OperateResult writeResult = readWrite.Write(hslAttribute.address, value);
if (!writeResult.IsSuccess) return writeResult;
}
}
return OperateResult.CreateSuccessResult((T)obj);
}
/// <summary>
/// 使用表达式树的方式来给一个属性赋值
/// </summary>
/// <param name="propertyInfo">属性信息</param>
/// <param name="obj">对象信息</param>
/// <param name="objValue">实际的值</param>
public static void SetPropertyExp<T, K>(PropertyInfo propertyInfo, T obj, K objValue)
{
// propertyInfo.SetValue( obj, objValue, null ); 下面就是实现这句话
var invokeObjExpr = Expression.Parameter(typeof(T), "obj");
var propValExpr = Expression.Parameter(propertyInfo.PropertyType, "objValue");
var setMethodExp = Expression.Call(invokeObjExpr, propertyInfo.GetSetMethod(), propValExpr);
var lambda = Expression.Lambda<Action<T, K>>(setMethodExp, invokeObjExpr, propValExpr);
lambda.Compile()(obj, objValue);
}
}
}