private List <TypeEntry> Parse(DTEObject root)
{
List <TypeEntry> entries = new List <TypeEntry>();
var entities = root.GetEntities();
foreach (var entity in entities)
{
var value = entity as DTEValue;
if (value != null)
{
entries.Add(CreateEntry(value));
continue;
}
var obj = entity as DTEObject;
if (obj != null)
{
entries.Add(CreateEntry(obj));
continue;
}
var list = entity as DTEList;
if (list != null)
{
entries.Add(CreateEntry(list));
continue;
}
}
return(entries);
}
public void SetObject(string findExp, DTObject obj)
{
ValidateReadOnly();
if (string.IsNullOrEmpty(findExp))
{
//dto.Set(newDTO) 这种表达式下说明此时需要替换整个dto
//为了保证数据安全，需要克隆，{xxx:{a,b}},如果不克隆，那么b=xxx就会出现错误
var newRoot = obj.GetRoot().Clone() as DTEObject;
newRoot.Parent = _root.Parent;
_root = newRoot;
}
else
{
DTEObject entity = FindEntity <DTEObject>(findExp, false);
if (entity == null)
{
var query = QueryExpression.Create(findExp);
_root.SetEntity(query, (name) =>
{
var e = obj.GetRoot().Clone();
e.Name = name;
return(e);
});
}
}
}
private TypeEntry CreateEntry(DTEObject e)
{
var name = e.Name; //条目名称
var metadataCode = e.GetCode(false);
string typeName = GetPathName(name);
return(new ObjectEntry(this, name, typeName, metadataCode));
}
public static DTObject CreateObject(DTEObject root, bool isReadOnly, bool isPinned)
{
var obj = isPinned ? new DTObject() : Symbiosis.TryMark(_objectPool, () =>
{
return(new DTObject());
});
obj._root = root;
obj.IsReadOnly = isReadOnly;
obj.IsPinned = isPinned;
return(obj);
}
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 bool ContainsSchemaCode(DTEObject source, DTEObject target)
{
var es = target.GetEntities();
foreach (var e in es)
{
var se = source.Find(e.Name);
if (se == null)
{
return(false); //源中没有找到成员
}
var obj = e as DTEObject;
if (obj != null)
{
//对比子项
var sObj = se as DTEObject;
if (sObj == null)
{
return(false); //类型不同
}
if (!ContainsSchemaCode(sObj, obj))
{
return(false);
}
}
else
{
var list = e as DTEList;
if (list != null)
{
//对比子项
var sList = se as DTEList;
if (sList == null)
{
return(false); //类型不同
}
if (!list.ItemTemplate.ContainsSchemaCode(sList.ItemTemplate))
{
return(false);
}
}
}
}
return(true);
}
/// <summary>
/// 清理数据，提供池使用
/// </summary>
internal void Clear()
{
_root = null;
this.IsReadOnly = false;
}