/// <summary>写入对象</summary>
/// <param name="value">目标对象</param>
/// <param name="type">类型</param>
/// <returns></returns>
public override Boolean Write(Object value, Type type)
{
if (value == null)
{
return(false);
}
// 不支持基本类型
if (Type.GetTypeCode(type) != TypeCode.Object)
{
return(false);
}
var ms = GetMembers(type);
WriteLog("JsonWrite类{0} 共有成员{1}个", type.Name, ms.Count);
Host.Hosts.Push(value);
var context = new AccessorContext {
Host = Host, Type = type, Value = value
};
// 获取成员
foreach (var member in ms)
{
if (IgnoreMembers != null && IgnoreMembers.Contains(member.Name))
{
continue;
}
var mtype = GetMemberType(member);
context.Member = Host.Member = member;
var v = value.GetValue(member);
WriteLog(" {0}.{1} {2}", type.Name, member.Name, v);
// 成员访问器优先
if (value is IMemberAccessor ac && ac.Read(Host, context))
{
continue;
}
if (!Host.Write(v, mtype))
{
Host.Hosts.Pop();
return(false);
}
}
Host.Hosts.Pop();
return(true);
}
/// <summary>把消息写入到数据流中</summary> /// <param name="formatter">序列化</param> /// <param name="context">上下文</param> public virtual Boolean Write(IFormatterX formatter, AccessorContext context) => false;
/// <summary>尝试读取指定类型对象</summary>
/// <param name="type"></param>
/// <param name="value"></param>
/// <returns></returns>
public override Boolean TryRead(Type type, ref Object value)
{
if (type == null)
{
if (value == null)
{
return(false);
}
type = value.GetType();
}
// 不支持基本类型
if (Type.GetTypeCode(type) != TypeCode.Object)
{
return(false);
}
// 不支持基类不是Object的特殊类型
//if (type.BaseType != typeof(Object)) return false;
if (!type.As <Object>())
{
return(false);
}
var ms = GetMembers(type);
WriteLog("JsonRead类{0} 共有成员{1}个", type.Name, ms.Count);
if (value == null)
{
value = type.CreateInstance();
}
Host.Hosts.Push(value);
var context = new AccessorContext {
Host = Host, Type = type, Value = value
};
// 获取成员
for (var i = 0; i < ms.Count; i++)
{
var member = ms[i];
if (IgnoreMembers != null && IgnoreMembers.Contains(member.Name))
{
continue;
}
var mtype = GetMemberType(member);
context.Member = Host.Member = member;
WriteLog(" {0}.{1}", member.DeclaringType.Name, member.Name);
// 成员访问器优先
if (value is IMemberAccessor ac && ac.Read(Host, context))
{
continue;
}
Object v = null;
if (!Host.TryRead(mtype, ref v))
{
Host.Hosts.Pop();
return(false);
}
value.SetValue(member, v);
}
Host.Hosts.Pop();
return(true);
}
