internal Tree(ObjectStorage storage ,string id, long size, Func<byte[]> loader, Tree parent = null, string name = null, string mode = null)
: base(id, parent, name, mode)
{
this.Size = size;
this._storage = storage;
this._loader = loader.Try(n => new Lazy<byte[]>(loader));
}
internal TreeEntry(string id, Tree parent, string name, string mode)
: base(id)
{
this.Parent = parent;
this.Name = name;
this.Mode = mode;
}
internal Blob(string id, long size, Func<byte[]> loader, Tree parent = null, string name = null, string mode = null)
: base(id, parent, name, mode)
{
_loader = new Lazy<byte[]>(loader);
this.Size = size;
}
private static IEnumerable<TreeEntry> RecursiveTreeEnumerator(Tree tree)
{
var stack = new Stack<IEnumerator<TreeEntry>>();
stack.Push(tree.Items.GetEnumerator());
do
{
var enumerator = stack.Pop();
while (enumerator.MoveNext())
{
if (enumerator.Current.Type == ObjectType.Tree)
{
stack.Push(enumerator);
enumerator = ((Tree) enumerator.Current).Items.GetEnumerator();
}
else
{
yield return enumerator.Current;
}
}
} while (stack.Count > 0);
}
private void EnsureLoaded()
{
if (_loaded)
return;
this._reader.Load(stream =>
{
var bytesRead = 0;
var reader = new StreamReader(stream);
string line;
while (!string.IsNullOrEmpty(line = reader.ReadLine()))
{
bytesRead += line.Length + 1; //add 1 for LF
var parts = line.Split(new[] {' '}, 2);
switch (parts[0])
{
case "tree":
this._tree = _storage.Read<Tree>(parts[1]);
break;
case "author":
this._author = parts[1];
break;
case "committer":
this._commiter = parts[1];
break;
case "parent":
var parent = _storage.Read<Commit>(parts[1]);
if(parent != null)
this._parents.Add(parent);
break;
default:
throw new NotSupportedException(string.Format("{0} is not a supported commit field.", parts[0]));
}
}
var messageSize = this._reader.Size - bytesRead;
var buffer = new char[messageSize];
var read = reader.Read(buffer, 0, buffer.Length);
this._message = new string(buffer, 0, read);
});
this._loaded = true;
}
