Array ReadArray(ReadContext context, Type elementType, Int32 n)
{
Array arr = Array.CreateInstance(elementType, n);
for (int i = 0; i < n; i++)
{
Object obj = ReadMember(context.Clone(null, elementType, elementType, i.ToString()) as ReadContext);
arr.SetValue(obj, i);
OnDeserialized(context);
}
return arr;
}
/// <summary>
/// 从指定流读取数据填充到指定对象
/// </summary>
/// <param name="stream"></param>
/// <param name="obj"></param>
/// <returns></returns>
public Object Deserialize(Stream stream, Object obj)
{
ReadContext context = new ReadContext();
context.Formatter = this;
context.Reader = new BinaryReaderX(stream);
// 树，用于记录分析所到达的位置
context.Node = new ProtocolTreeNode(null, null);
context.Node.Context = context;
Type type = null;
if (obj != null) type = obj.GetType();
//context.Config = FormatterConfig.Default;
context.Config = Head.Config;
// 使用默认设置读取头部
if (!Head.Config.NoHead)
{
ReadMember(context.Clone(Head, Head.GetType(), null, "Head") as ReadContext);
OnDeserialized(context);
//// 只有使用了头部，才使用头部设置信息，否则使用默认设置信息，因为远端需要正确识别数据
//context.Config = Head.Config;
}
if (type == null)
{
// 读取类名
Assembly asm = Assembly.Load(Head.AssemblyName);
if (asm == null) throw new Exception("无法找到程序集" + Head.AssemblyName + "！");
type = asm.GetType(Head.TypeName);
if (type == null) throw new Exception("无法找到类" + Head.TypeName + "！");
}
context.Type = type;
context.Node.Type = type;
if (obj == null) obj = Activator.CreateInstance(type);
context.Data = obj;
ReadMember(context.Clone(obj, type, null, "Body") as ReadContext);
OnDeserialized(context);
return obj;
}
Object ReadObjectRef(ReadContext context)
{
if (!context.Config.UseRefObject)
{
// 不使用引用对象的时候，这里就需要判断了
if (context.Node.Depth > 1 && !context.Config.NotNull)
{
// 读取一个字节，探测是否为空
Byte b = context.Reader.ReadByte();
if (b == 0)
{
//context.Data = null;
return null;
}
}
}
// 创建
if (context.Data == null)
{
context.Data = OnCreateInstance(context, context.Type);
if (context.Data == null) context.Data = Activator.CreateInstance(context.Type);
}
// 添加对象到对象集合
if (context.Config.UseRefObject) context.Objects.Add(context.Data);
// 先获取类特性，后获取成员特性，所以，成员特性优先于类特性
context.Config = context.Config.CloneAndMerge(context.Type);
MemberInfo[] mis = FindAllSerialized(context.Type, context.Config.SerialProperty);
if (mis != null && mis.Length > 0)
{
foreach (MemberInfo item in mis)
{
Object obj = null;
if (item is FieldInfo)
{
FieldInfo fi = item as FieldInfo;
FieldInfoX fix = fi;
// 只有Object类型才计算值
if (Type.GetTypeCode(fi.FieldType) == TypeCode.Object) obj = fix.GetValue(context.Data);
obj = ReadMember(context.Clone(obj, fi.FieldType, item) as ReadContext);
fix.SetValue(context.Data, obj);
OnDeserialized(context);
}
else
{
PropertyInfo pi = item as PropertyInfo;
PropertyInfoX pix = pi;
// 只有Object类型才计算值
if (Type.GetTypeCode(pi.PropertyType) == TypeCode.Object) obj = pix.GetValue(context.Data);
obj = ReadMember(context.Clone(obj, pi.PropertyType, item) as ReadContext);
if (pi.GetSetMethod() != null) pix.SetValue(context.Data, obj);
OnDeserialized(context);
}
}
}
return context.Data;
}
