public static byte[] GenericsEncode(object obj)
{
BuffBuilder bb = new BuffBuilder(1024 * 1024);
push_class(obj, bb);
return(bb.GetBuff());
}
static void push_primitive(object obj, Type valuetype, BuffBuilder bb)
{
if (valuetype == typeof(uint))
{
bb.PushUint((uint)(obj));
}
else if (valuetype == typeof(int))
{
bb.PushInt((int)(obj));
}
else if (valuetype == typeof(ushort))
{
bb.PushUshort((ushort)(obj));
}
else if (valuetype == typeof(short))
{
bb.PushShort((short)(obj));
}
else if (valuetype == typeof(ulong))
{
bb.PushUlong((ulong)(obj));
}
else if (valuetype == typeof(long))
{
bb.PushLong((long)(obj));
}
else if (valuetype == typeof(byte))
{
bb.PushByte((byte)(obj));
}
else if (valuetype == typeof(float))
{
bb.PushFloat((float)(obj));
}
else if (valuetype == typeof(bool))
{
bb.PushBool((bool)(obj));
}
}
static void push_primitive_array(object obj, int length, FieldInfo field, BuffBuilder bb)
{
System.Type elemtype = field.FieldType.GetElementType();
if (elemtype == typeof(uint))
{
uint[] objs = (uint[])field.GetValue(obj);
for (int j = 0; j < length; ++j)
{
bb.PushUint(objs[j]);
}
}
else if (elemtype == typeof(int))
{
int[] objs = (int[])field.GetValue(obj);
for (uint j = 0; j < length; ++j)
{
bb.PushInt(objs[j]);
}
}
else if (elemtype == typeof(ushort))
{
ushort[] objs = (ushort[])field.GetValue(obj);
for (int j = 0; j < length; ++j)
{
bb.PushUshort(objs[j]);
}
}
else if (elemtype == typeof(short))
{
short[] objs = (short[])field.GetValue(obj);
for (int j = 0; j < length; ++j)
{
bb.PushShort(objs[j]);
}
}
else if (elemtype == typeof(ulong))
{
ulong[] objs = (ulong[])field.GetValue(obj);
for (int j = 0; j < length; ++j)
{
bb.PushUlong(objs[j]);
}
}
else if (elemtype == typeof(long))
{
long[] objs = (long[])field.GetValue(obj);
for (int j = 0; j < length; ++j)
{
bb.PushLong(objs[j]);
}
}
else if (elemtype == typeof(byte))
{
byte[] objs = (byte[])field.GetValue(obj);
for (int j = 0; j < length; ++j)
{
bb.PushByte(objs[j]);
}
}
else if (elemtype == typeof(float))
{
float[] objs = (float[])field.GetValue(obj);
for (int j = 0; j < length; ++j)
{
bb.PushFloat(objs[j]);
}
}
else if (elemtype == typeof(bool))
{
bool[] objs = (bool[])field.GetValue(obj);
for (int j = 0; j < length; j++)
{
bb.PushBool(objs[j]);
}
}
}
static void push_class(object obj, BuffBuilder bb)
{
FieldInfo[] fields = obj.GetType().GetFields();
for (int i = 0; i < fields.Length; ++i)
{
if (fields[i].FieldType.IsPrimitive)
{
push_primitive(fields[i].GetValue(obj), fields[i].FieldType, bb);
}
else if (fields[i].FieldType.IsEnum)
{
push_primitive((int)fields[i].GetValue(obj), typeof(int), bb);
}
else if (fields[i].FieldType == typeof(string))
{
string s = fields[i].GetValue(obj) as string;
bb.PushString(s);
}
else if (fields[i].FieldType.IsArray)
{
System.Type elemtype = fields[i].FieldType.GetElementType();
if (elemtype.IsClass)
{
object[] objs = (object[])fields[i].GetValue(obj);
bb.PushInt(objs.Length);
for (int j = 0; j < objs.Length; ++j)
{
push_class(objs[j], bb);
}
}
else if (elemtype.IsPrimitive)
{
object[] objs = (object[])fields[i].GetValue(obj);
push_primitive_array(obj, objs.Length, fields[i], bb);
}
}
else if (fields[i].FieldType.IsConstructedGenericType)
{
//处理dictionary
if (fields[i].FieldType.Name == "Dictionary`2")
{
Type keyType = fields[i].FieldType.GenericTypeArguments[0];
if (!keyType.IsPrimitive)
{
throw new Exception("必须使用基础类型作为Dict的key");
}
Type valueType = fields[i].FieldType.GenericTypeArguments[1];
MethodInfo countMethod = fields[i].FieldType.GetMethod("get_Count");
int length = (int)countMethod.Invoke(fields[i].GetValue(obj), null);
bb.PushInt(length);
//keys
MethodInfo keysMethod = fields[i].FieldType.GetMethod("get_Keys");
ICollection kc = keysMethod.Invoke(fields[i].GetValue(obj), null) as ICollection;
foreach (var k in kc)
{
push_primitive(k, keyType, bb);
}
//values
MethodInfo valueMethod = fields[i].FieldType.GetMethod("get_Values");
ICollection vc = valueMethod.Invoke(fields[i].GetValue(obj), null) as ICollection;
foreach (var v in vc)
{
push_class(v, bb);
}
}
else if (fields[i].FieldType.Name == "List`1")
{
Type valueType = fields[i].FieldType.GenericTypeArguments[0];
MethodInfo countMethod = fields[i].FieldType.GetMethod("get_Count");
int length = (int)countMethod.Invoke(fields[i].GetValue(obj), null);
bb.PushInt(length);
//values
ICollection c = fields[i].GetValue(obj) as ICollection;
if (valueType.IsClass)
{
foreach (var e in c)
{
if (valueType == typeof(string))
{
string s = e as string;
bb.PushString(s);
}
else
{
push_class(e, bb);
}
}
}
else if (valueType.IsPrimitive)
{
foreach (var e in c)
{
push_primitive(e, valueType, bb);
}
}
}
else
{
throw new Exception("不支持的泛型序列化");
}
}
else if (fields[i].FieldType.IsClass)
{
object sub_obj = fields[i].GetValue(obj);
push_class(sub_obj, bb);
}
else
{
throw new Exception(string.Format("不支持的序列化类型{0}", fields[i].FieldType.Name));
}
}
}