libnative-utilities/include/raknet/DS_Tree.hpp

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2024-08-15 18:40:30 +08:00
/*
* Copyright (c) 2014, Oculus VR, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
/// \file DS_Tree.h
/// \internal
/// \brief Just a regular tree
///
#ifndef __DS_TREE_H
#define __DS_TREE_H
#include "Export.hpp"
#include "DS_List.hpp"
#include "DS_Queue.hpp"
#include "RakMemoryOverride.hpp"
/// The namespace DataStructures was only added to avoid compiler errors for commonly named data structures
/// As these data structures are stand-alone, you can use them outside of RakNet for your own projects if you wish.
namespace DataStructures
{
template <class TreeType>
class RAK_DLL_EXPORT Tree
{
public:
Tree();
Tree(TreeType &inputData);
~Tree();
void LevelOrderTraversal(DataStructures::List<Tree*> &output);
void AddChild(TreeType &newData);
void DeleteDecendants(void);
TreeType data;
DataStructures::List<Tree *> children;
};
template <class TreeType>
Tree<TreeType>::Tree()
{
}
template <class TreeType>
Tree<TreeType>::Tree(TreeType &inputData)
{
data=inputData;
}
template <class TreeType>
Tree<TreeType>::~Tree()
{
DeleteDecendants();
}
template <class TreeType>
void Tree<TreeType>::LevelOrderTraversal(DataStructures::List<Tree*> &output)
{
unsigned i;
Tree<TreeType> *node;
DataStructures::Queue<Tree<TreeType>*> queue;
for (i=0; i < children.Size(); i++)
queue.Push(children[i]);
while (queue.Size())
{
node=queue.Pop();
output.Insert(node, _FILE_AND_LINE_);
for (i=0; i < node->children.Size(); i++)
queue.Push(node->children[i]);
}
}
template <class TreeType>
void Tree<TreeType>::AddChild(TreeType &newData)
{
children.Insert(RakNet::OP_NEW<Tree>(newData, _FILE_AND_LINE_));
}
template <class TreeType>
void Tree<TreeType>::DeleteDecendants(void)
{
/*
DataStructures::List<Tree*> output;
LevelOrderTraversal(output);
unsigned i;
for (i=0; i < output.Size(); i++)
RakNet::OP_DELETE(output[i], _FILE_AND_LINE_);
*/
// Already recursive to do this
unsigned int i;
for (i=0; i < children.Size(); i++)
RakNet::OP_DELETE(children[i], _FILE_AND_LINE_);
}
}
#endif