public static SLComponent BFS(SLComponent root, ComponentType t)
{
var visited = new HashSet <SLComponent>();
var q = new Queue <SLComponent>();
q.Enqueue(root);
visited.Add(root);
while (q.Count > 0)
{
var here = q.Dequeue();
if (here.Type == t)
{
return(here);
}
var gIter = here.GetGroupEnumerator();
while (gIter.MoveNext())
{
var wrap = gIter.Current;
var wIter = wrap.GetEnumerator();
while (wIter.MoveNext())
{
var there = wIter.Current;
if (!visited.Contains(there))
{
q.Enqueue(there);
visited.Add(there);
}
}
}
}
return(null);
}
public async Task <SLComponent> LoadAsync(SLComponent root, string name)
{
var path = $"{name}.slc";
if (!File.Exists(path))
{
return(null);
}
using (var fs = File.OpenRead(path))
{
var buffer = Library.Locator.BufferPool.GetBuffer(1 << 16);
Library.Logger.Assert(buffer.Length >= fs.Length, "overflow buffer");
var n = await fs.ReadAsync(buffer, 0, (int)fs.Length);
if (n == 0)
{
return(null);
}
var reader = new Library.Reader(buffer, n);
var com = Serialization.ReadComponent(ref reader);
defaultLink(root, com);
return(com);
}
}
public SLComponent Create(SLComponent root, ComponentType type, string key)
{
var com = Create(root, type);
root.LinkTo(key, com);
return(com);
}
private void defaultLink(SLComponent root, SLComponent com)
{
root.LinkTo(com);
var ptr = SLPointer.Index(com._index);
root.insert(ref ptr, com);
}
public SLComponent Create(SLComponent root, ComponentType type, int handle)
{
var com = Create(root, type);
root.LinkTo(handle, com);
return(com);
}
public static void WriteComponent(ref Library.Writer writer, SLComponent com, Predicate <SLComponent> filter = null)
{
var comList = new Dictionary <int, SLComponent>();
com.Traversal(comList);
if (null != filter)
{
unsafe
{
var tempList = stackalloc int[comList.Count];
var tempIdx = 0;
var iter = comList.GetEnumerator();
while (iter.MoveNext())
{
if (filter(iter.Current.Value))
{
tempList[tempIdx++] = iter.Current.Key;
}
}
while (tempIdx > 0)
{
comList.Remove(tempList[--tempIdx]);
}
}
}
writer.WriteInt(comList.Count);
var pairIter = comList.GetEnumerator();
while (pairIter.MoveNext())
{
writer.WriteInt((int)pairIter.Current.Value.Type);
writer.WriteInt(pairIter.Current.Key);
}
var ctxList = new Dictionary <int, object>();
pairIter = comList.GetEnumerator();
while (pairIter.MoveNext())
{
var com2 = pairIter.Current.Value;
com2.OnSerialized(ref writer);
if (null != com2.Context && Attribute.IsDefined(com2.Context.GetType(), typeof(SerializableAttribute)))
{
ctxList.Add(pairIter.Current.Key, com2.Context);
}
}
writer.WriteInt(ctxList.Count);
if (ctxList.Count > 0)
{
var stream = new MemoryStream();
Library.SerializeHelper.SerializeToMemory(ctxList, stream);
writer.WriteStream(stream);
}
}
public async Task SaveAsync(SLComponent com, string name)
{
using (var fs = File.OpenWrite($"{name}.slc"))
{
var writer = new Library.Writer(1 << 16);
Serialization.WriteComponent(ref writer, com);
await writer.FlushAsync(fs);
}
}
public bool Destroy(SLComponent root, string key)
{
if (!root.TryFind(key, out SLWrapper wrapper))
{
return(false);
}
Destroy(root, wrapper);
return(true);
}
public bool Destroy(SLComponent root, int handle)
{
if (!root.TryFind(handle, out SLWrapper wrapper))
{
return(false);
}
Destroy(root, wrapper);
return(true);
}
public void OnDeserialized(ref Library.Reader reader, SLComponent streamingComponent)
{
var read = reader.ReadInt(out int t);
type = (PointerType)t;
if (type == PointerType.Text)
{
read &= reader.ReadString(out string text);
this = SLPointer.Text(text);
}
}
public void Destroy(SLComponent root, SLComponent com)
{
if (null != root)
{
unsafe
{
var serviceProp = root.Get <Property.Service>();
serviceProp->destroyCount++;
}
}
_pool.PutObject(com.onRelease());
}
public SLComponent Create(SLComponent root, ComponentType type)
{
var com = _pool.GetObject().onTake(type, _pool.GenerateIndex);
if (null != root)
{
defaultLink(root, com);
unsafe
{
var serviceProp = root.Get <Property.Service>();
serviceProp->createCount++;
}
}
return(com);
}
public static void BidLink(SLComponent lhs, SLComponent rhs)
{
lhs.LinkTo(rhs);
rhs.LinkTo(lhs);
}
public void Regist(int key, SLComponent com)
{
_ints.Add(key, com);
}
public void Regist(object key, SLComponent com)
{
_refs.Add(key, com);
}