public static DTEObject Deserialize(string code, bool isReadOnly, bool isPinned)
{
if (string.IsNullOrEmpty(code))
{
return(DTOPool.CreateDTEObject(isPinned));
}
return(Deserialize(new StringSegment(code), isReadOnly, isPinned));
}
private static DTObject CreateDTObject(DTEntity root, bool isReadOnly, bool isPinned)
{
var o = root as DTEObject;
if (o != null) return DTOPool.CreateObject(o, isReadOnly, isPinned);
var members = DTOPool.CreateDTEntities(isPinned);
members.Add(root);
o = DTOPool.CreateDTEObject(members, isPinned);
return DTOPool.CreateObject(o, isReadOnly, isPinned);
}
/// <summary>
/// 设置成员，当成员存在时覆盖，成员不存在时新增
/// </summary>
/// <param name="findExp"></param>
/// <param name="value"></param>
public override void SetEntity(QueryExpression query, Func <string, DTEntity> createEntity)
{
var segment = query.Segment;
var entity = _entities.FirstOrDefault((m) =>
{
return(m.Name.Equals(segment, StringComparison.OrdinalIgnoreCase));
});
if (entity != null)
{
if (query.Next == null)
{
//覆盖，此处并没有改变name
var index = _entities.IndexOf(entity);
var e = createEntity(segment);
e.Parent = this;
_entities[index] = e;
Changed();
}
else
{
//由于表达式还未完，所以在下个节点中继续执行
entity.SetEntity(query.Next, createEntity);
}
}
else
{
//没有找到
if (query.Next == null)
{
//没有后续
var e = createEntity(segment);
e.Parent = this;
_entities.Add(e);
//OrderSelfMembers(); //重新排序
Changed();
}
else
{
var next = DTOPool.CreateDTEObject(this.IsPinned);
next.Name = segment;
next.Parent = this;
_entities.Add(next);
//OrderSelfMembers(); //重新排序
Changed();
next.SetEntity(query.Next, createEntity);
}
}
}
/// <summary>
/// 仅克隆结构
/// </summary>
/// <returns></returns>
public override DTEntity Clone()
{
var copy = DTOPool.CreateDTEntities(this.IsPinned);
for (var i = 0; i < _entities.Count; i++)
{
copy.Add(_entities[i].Clone());
}
var dte = DTOPool.CreateDTEObject(copy, this.IsPinned);
dte.Name = this.Name;
return(dte);
}
private static DTEObject Deserialize(StringSegment code, bool isReadOnly, bool isPinned)
{
if (code.IsEmpty()) return DTOPool.CreateDTEObject(isPinned);
var node = ParseNode(CodeType.Object, code);
DTEObject result = null;
using (var temp = DTOPool.EntitiesPool.Borrow())
{
List<DTEntity> entities = temp.Item;
FillEntities(entities, node, isReadOnly, isPinned);
result = entities.First() as DTEObject;
}
return result;
}
private static void FillEntities(List <DTEntity> entities, CodeTreeNode node, bool isReadOnly, bool isPinned)
{
var name = JSON.GetStringValue(node.Name.ToString());
if (node.Type == CodeType.Object)
{
var members = DTOPool.CreateDTEntities(isPinned);
//收集成员
foreach (CodeTreeNode item in node.Childs)
{
FillEntities(members, item, isReadOnly, isPinned);
}
var obj = DTOPool.CreateDTEObject(members, isPinned);
obj.Name = name;
entities.Add(obj);
}
else if (node.Type == CodeType.List)
{
var childs = DTOPool.CreateObjects(isPinned);
using (var temp = DTOPool.EntitiesPool.Borrow())
{
//收集成员
var tempChilds = temp.Item;
foreach (CodeTreeNode item in node.Childs)
{
FillEntities(tempChilds, item, isReadOnly, isPinned);
}
foreach (var e in tempChilds)
{
var item = CreateDTObject(e, isReadOnly, isPinned);
childs.Add(item);
}
}
var list = DTOPool.CreateDTEList(childs, isPinned);
list.Name = name;
entities.Add(list);
}
else
{
object value = node.Type == CodeType.StringValue ? JSON.GetStringValue(node.Value) : JSON.GetValue(node.Value);
var dte = DTOPool.CreateDTEValue(name, value, isPinned);
entities.Add(dte);
}
}