Boolean TryWrite(Object target, DME_BinaryWriter writer, DME_MemberInfo member, Boolean encodeInt, Boolean allowNull)
{
Object value = member.GetValue(target);
// 基本类型
if (writer.WriteValue(value, encodeInt)) return true;
// 允许空时，增加一个字节表示对象是否为空
if (value == null)
{
if (allowNull) writer.Write((Byte)0);
return true;
}
if (allowNull) writer.Write((Byte)1);
// 接口支持
//if (Array.IndexOf(member.Type.GetInterfaces(), typeof(IBinaryAccessor)) >= 0)
if (typeof(DME_IBinaryAccessor).IsAssignableFrom(member.Type))
{
// 调用接口
DME_IBinaryAccessor accessor = value as DME_IBinaryAccessor;
accessor.Write(writer);
return true;
}
#region 数组
if (member.Type.IsArray)
{
// 特殊处理字节数组
if (member.Type == typeof(Byte[]))
{
writer.Write((Byte[])value);
return true;
}
Array arr = value as Array;
if (arr != null)
{
}
}
#endregion
#region 枚举
if (typeof(IEnumerable).IsAssignableFrom(member.Type))
{
// 先写元素个数
IEnumerable arr = value as IEnumerable;
Int32 count = 0;
foreach (Object item in arr)
{
count++;
}
// 写入长度
writer.WriteEncoded(count);
foreach (Object item in arr)
{
// 允许空时，增加一个字节表示对象是否为空
if (item == null)
{
if (allowNull) writer.Write((Byte)0);
continue;
}
if (allowNull) writer.Write((Byte)1);
if (!writer.WriteValue(item, encodeInt))
Write(item, writer, encodeInt, allowNull, member.Member.MemberType == MemberTypes.Property);
}
return true;
}
#endregion
return false;
}
