Node.hpp

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/**--------------------------------------------------------------------------------------------
Copyright (c) 2019, NDEVR LLC
tyler.parke@ndevr.org
  __    __   ____     _____ __     __  _______
 |  \  |  | |  __ \  |  ___|\ \   / / |   __  \
 |   \ |  | | |  \ \ | |___  \ \ / /  |  |__)  |
 |  . \|  | | |__/ / | |___   \ V /   |   _   /
 |  |\    |_|_____/__|_____|___\_/____|  | \  \
 |__| \__________________________________|  \__\
 
Subject to the terms of the Enterprise+ Agreement, NDEVR hereby grants 
Licensee a limited, non-exclusive, non-transferable, royalty-free license 
(without the right to sublicense) to use the API solely for the purpose of 
Licensee's internal development efforts to develop applications for which 
the API was provided.
 
The above copyright notice and this permission notice shall be included in all 
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
 
Library: Tree
File: Node
Included in API: True
Author(s): Tyler Parke
 *-----------------------------------------------------------------------------------------**/
#pragma once
#include <NDEVR/BaseValues.h>
namespace NDEVR
{
    class TreeNode
    {
    public:
        explicit TreeNode(uint04 index_start)
            : m_element_size(0)
            , m_child_start(-sint04(index_start))
        {}
 
        void clear(uint04 index_start)
        {
            setBegin(index_start);
            m_element_size = 0;
        }
 
        void setBegin(uint04 index_start)
        {
            m_child_start = -sint04(index_start);
        }
        uint04 begin() const
        {
            return uint04(-m_child_start);
        }
 
        uint04 end() const
        {
            return uint04(-m_child_start) + size();
        }
        uint04 getChild(uint04 child_number) const
        {
            return uint04(m_child_start) + child_number;
        }
 
        uint04 childNodeStart() const
        {
            return uint04(m_child_start);
        }
        
        void setChildNodeStart(uint04 left)
        {
            m_child_start = sint04(left);
        }
 
        uint04 size() const
        {
            return m_element_size;
        }
        void setSize(uint04 bucket_size)
        {
            m_element_size = bucket_size;
        }
 
        bool isLeaf() const {
            return m_child_start <= 0;
        }
 
    protected:
        uint04 m_element_size;     // Number of nodes belonging to this and its children
        sint04 m_child_start;
    };
}