自动编码

ConsoleStarter/Program.cs

@@ -1,44 +1,183 @@
 // See https://aka.ms/new-console-template for more information
 
-using System.Reflection;
-using System.Text;
-using ConsoleStarter;
+using System.Collections;
+using HybirdFrameworkCore.Autofac.Attribute;
 using HybirdFrameworkCore.Utils;
 
 internal class Program
 {
     public static void Main(string[] args)
+    {
+        List<PropertyAttribute> list = new List<PropertyAttribute>
+        {
+            new(0, 4),
+            new(4, 8),
+            new(12, 1),
+            new(13, 2),
+            new(15, 1),
+            new(16, 1),
+            new(17, 1),
+            new(18, 2),
+            new(20, 2),
+            new(22, 2),
+            new(24, 2),
+            new(26, 1),
+            new(27, 2),
+            new(29, 2),
+            new(31, 1),
+            new(32, 1),
+            new(33, 29)
+        };
+
+        int start = 0;
+        int length = 0;
+        foreach (PropertyAttribute attribute in list)
+        {
+            if (start < attribute.Start)
+            {
+                start = attribute.Start;
+                length = attribute.Length;
+            }
+        }
+
+        Console.WriteLine($"{start}, {length}");
+
+        byte[] bytes = new Byte[] { 0xFE, 0xFF };
+        ushort uInt16 = BitConverter.ToUInt16(bytes);
+        Console.WriteLine($"{uInt16}, {BitUtls.BytesToHexStr(bytes)}");
+        BitArray bitArray = new BitArray(16);
+        int index = 0;
+        foreach (var b in bytes)
+        {
+            for (int i = 0; i < 8; i++)
+            {
+                bool flag = (b & (1 << (index % 8))) > 0;
+                Console.WriteLine(flag);
+                bitArray[index++] = flag;
+            }
+        }
+
+        byte[] newbytes = new byte[2];
+        bitArray.CopyTo(newbytes, 0);
+        foreach (var b in newbytes)
+        {
+            Console.WriteLine(b);
+        }
+
+        ushort int16 = BitConverter.ToUInt16(newbytes);
+        Console.WriteLine($"{int16}, {BitUtls.BytesToHexStr(newbytes)}");
+        
+        UInt64 max = UInt64.MaxValue / 8;
+        byte[] bytes1 = BitConverter.GetBytes(max);
+        Console.WriteLine($"{max}, {BitUtls.BytesToHexStr(bytes1)}");
+        foreach (var b in bytes1)
+        {
+            Console.WriteLine(b);
+        }
+
+    }
+
+    private static void Test1()
     {
         Console.WriteLine("Hello, World!");
+        List<PropertyAttribute> list = new List<PropertyAttribute>
+        {
+            new(0, 4),
+            new(4, 8),
+            new(12, 1),
+            new(13, 2),
+            new(15, 1),
+            new(16, 1),
+            new(17, 1),
+            new(18, 2),
+            new(20, 2),
+            new(22, 2),
+            new(24, 2),
+            new(26, 1),
+            new(27, 2),
+            new(29, 2),
+            new(31, 1),
+            new(32, 1),
+            new(33, 29)
+        };
 
-        Type type = typeof(TestPerson);
-        var o = Activator.CreateInstance(type);
 
-        if (o != null)
+        Queue<EncodeData> queue = new Queue<EncodeData>();
+        int size = 0;
+        foreach (PropertyAttribute p in list)
+        {
+            size += p.Length;
+            if (size < 8)
+            {
+                queue.Enqueue(new EncodeData()
+                {
+                    Start = 0, Length = p.Length
+                });
+            }
+            else
             {
-            TestPerson person = (TestPerson) o;
-            foreach (PropertyInfo property in person.GetType().GetProperties())
+                Console.WriteLine("---------------------------begin one byte---------------------");
+                int length = 0;
+                while (queue.Count > 0)
                 {
-                Console.WriteLine(property.PropertyType);
+                    EncodeData data = queue.Dequeue();
+                    length += data.Length;
+                    Console.WriteLine($"use {data.Start}, {data.Length}");
+                }
+
+                size -= length;
 
+                int occupy = 8 - length;
+                Console.WriteLine($"use 0, {occupy}");
+                Console.WriteLine("---------------------------end one byte---------------------");
+                size -= occupy;
+                while (size >= 8)
+                {
+                    Console.WriteLine("---------------------------begin one byte---------------------");
+                    Console.WriteLine($"use {occupy}, 8");
+                    Console.WriteLine("---------------------------end one byte---------------------");
+                    size -= 8;
+                    occupy += 8;
                 }
 
-            UInt16 ui = 12;
-            Console.WriteLine(Convert.ToInt16(ui));
-            Console.WriteLine(BitConverter.IsLittleEndian);
+                if (size > 0)
+                {
+                    queue.Enqueue(new EncodeData()
+                    {
+                        Start = occupy, Length = size
+                    });
+                }
+            }
+        }
+
+        foreach (EncodeData d in queue)
+        {
+            Console.WriteLine($"{d.Start}, {d.Length}");
+        }
 
-            string str = "€";
-            //1252     windows-1252     ANSI Latin 1; Western European (Windows)
-            var array = Encoding.Unicode.GetBytes(str);
-            foreach (byte b in array)
+        UInt32 i = UInt32.MaxValue - 1;
+        byte[] bytes = BitConverter.GetBytes(i).Reverse().ToArray();
+        foreach (byte b in bytes)
         {
             Console.WriteLine(b);
         }
-            Console.WriteLine(BitUtls.BytesToHexStr(array));
 
-            var array2 = Encoding.BigEndianUnicode.GetBytes(str);
-            Console.WriteLine(BitUtls.BytesToHexStr(array2));
+        Console.WriteLine(BitUtls.BytesToHexStr(bytes));
+        UInt32 r = BitConverter.ToUInt32(bytes);
+        Console.WriteLine(r);
+        bytes = BitConverter.GetBytes(r);
+        foreach (byte b in bytes)
+        {
+            Console.WriteLine(b);
         }
+
+        Console.WriteLine(BitUtls.BytesToHexStr(bytes));
     }
 }
 
+public struct EncodeData
+{
+    public int Start { get; set; }
+    public int Length { get; set; }
+    public byte[] Value { get; set; }
+}

HybirdFrameworkCore/Utils/ModelConvert.cs

@@ -1,4 +1,6 @@
-using System.Reflection;
+using System.Collections;
+using System.Reflection;
+using System.Text;
 using HybirdFrameworkCore.Autofac.Attribute;
 
 namespace HybirdFrameworkCore.Utils;
@@ -18,7 +20,7 @@ public static class ModelConvert
     private static readonly Type DOUBLE = typeof(double);
     private static readonly Type STRING = typeof(string);
 
-    public static T Decode<T>(byte[] bytes) where T : class, new()
+    public static T Declode<T>(byte[] bytes) where T : class, new()
     {
         T t = new T();
 
@@ -94,27 +96,105 @@ public static class ModelConvert
 
     public static byte[] Encode<T>(T t) where T : class, new()
     {
-        List<byte> list = new List<byte>();
         Type type = t.GetType();
         PropertyInfo[] fields = type.GetProperties();
         Dictionary<PropertyAttribute, PropertyInfo> dictionary = new Dictionary<PropertyAttribute, PropertyInfo>();
+
+        int start = 0;
+        int length = 0;
         foreach (var field in fields)
         {
             PropertyAttribute? attribute = field.GetCustomAttribute<PropertyAttribute>();
             if (attribute != null)
             {
+                if (start <= attribute.Start)
+                {
+                    start = attribute.Start;
+                    length = attribute.Length;
+                }
                 dictionary.Add(attribute, field);
             }
         }
 
+        int maxLength = start + length;
+        BitArray bitArray = new BitArray(maxLength);
+        byte[] result = new Byte[maxLength % 8 == 0 ? maxLength / 8 : maxLength / 8 + 1];
+
         PropertyAttribute[] attributes = dictionary.Keys.ToArray();
-        Array.Sort(attributes, (a, b) => a.Start.CompareTo(b.Start));
 
-        return list.ToArray();
+        foreach (PropertyAttribute attribute in attributes)
+        {
+            PropertyInfo field = dictionary[attribute];
+            byte[] value = GetPropertyValue(t, field, attribute);
+            start = attribute.Start;
+            length = attribute.Length;
+
+            for (int i = 0; i < length; i++)
+            {
+                bitArray[start + i] = (value[i % 8] & (1 << i % 8)) > 0;
+            }
+        }
+
+        bitArray.CopyTo(result, 0);
+        return result;
+    }
+
+    private static byte[] GetPropertyValue<T>(T t, PropertyInfo field, PropertyAttribute attribute)
+    {
+        double offset = attribute.Offset;
+        double scale = attribute.Scale;
+        Type propertyType = field.PropertyType;
+        object? value = field.GetValue(t);
+        if (value == null)
+        {
+            return Array.Empty<byte>();
+        }
+
+        if (propertyType == BOOLEAN)
+        {
+            return BitConverter.GetBytes((bool)value);
+        }
+
+        if (propertyType == BYTE || propertyType == SBYTE)
+        {
+            return new[] { (byte)(((byte)value + offset) / scale) };
+        }
+
+        if (propertyType == USHORT)
+        {
+            return BitConverter.GetBytes((ushort)(((short)value + offset) / scale));
+        }
+
+        if (propertyType == SHORT)
+        {
+            return BitConverter.GetBytes((short)(((short)value + offset) / scale));
+        }
+
+        if (propertyType == INT)
+        {
+            return BitConverter.GetBytes((int)(((int)value + offset) / scale));
+        }
+
+        if (propertyType == UINT)
+        {
+            return BitConverter.GetBytes((uint)(((uint)value + offset) / scale));
+        }
+
+        if (propertyType == FLOAT)
+        {
+            return BitConverter.GetBytes((uint)(((float)value + offset) / scale));
         }
 
-    private static byte[] GetPropertyValue()
+        if (propertyType == DOUBLE)
         {
-        return new byte[]{0};
+            return BitConverter.GetBytes((UInt64)(((double)value + offset) / scale));
+        }
+
+        if (propertyType == STRING)
+        {
+            return Encoding.ASCII.GetBytes((string)value);
+        }
+
+        throw new ArgumentException($"参数类型{propertyType}不支持encode！");
     }
 }