mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-11-25 15:07:28 +00:00
62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/// \file
|
|
/// \brief \b [Internal] Creates instances of the class HuffmanEncodingTree
|
|
///
|
|
/// This file is part of RakNet Copyright 2003 Kevin Jenkins.
|
|
///
|
|
/// Usage of RakNet is subject to the appropriate license agreement.
|
|
/// Creative Commons Licensees are subject to the
|
|
/// license found at
|
|
/// http://creativecommons.org/licenses/by-nc/2.5/
|
|
/// Single application licensees are subject to the license found at
|
|
/// http://www.jenkinssoftware.com/SingleApplicationLicense.html
|
|
/// Custom license users are subject to the terms therein.
|
|
/// GPL license users are subject to the GNU General Public
|
|
/// License as published by the Free
|
|
/// Software Foundation; either version 2 of the License, or (at your
|
|
/// option) any later version.
|
|
|
|
#ifndef __HUFFMAN_ENCODING_TREE_FACTORY
|
|
#define __HUFFMAN_ENCODING_TREE_FACTORY
|
|
|
|
#include "RakMemoryOverride.h"
|
|
class HuffmanEncodingTree;
|
|
|
|
/// \brief Creates instances of the class HuffmanEncodingTree
|
|
///
|
|
/// This class takes a frequency table and given that frequence table, will generate an instance of HuffmanEncodingTree
|
|
class HuffmanEncodingTreeFactory : public RakNet::RakMemoryOverride
|
|
{
|
|
public:
|
|
/// Default constructor
|
|
HuffmanEncodingTreeFactory();
|
|
|
|
/// Reset the frequency table. You don't need to call this unless you want to reuse the class for a new tree
|
|
void Reset( void );
|
|
|
|
/// Pass an array of bytes to this to add those elements to the frequency table
|
|
/// \param[in] array the data to insert into the frequency table
|
|
/// \param[in] size the size of the data to insert
|
|
void AddToFrequencyTable( unsigned char *array, int size );
|
|
|
|
/// Copies the frequency table to the array passed
|
|
/// Retrieve the frequency table
|
|
/// \param[in] _frequency The frequency table used currently
|
|
void GetFrequencyTable( unsigned int _frequency[ 256 ] );
|
|
|
|
/// Returns the frequency table as a pointer
|
|
/// \return the address of the frenquency table
|
|
unsigned int * GetFrequencyTable( void );
|
|
|
|
/// Generate a HuffmanEncodingTree.
|
|
/// You can also use GetFrequencyTable and GenerateFromFrequencyTable in the tree itself
|
|
/// \return The generated instance of HuffmanEncodingTree
|
|
HuffmanEncodingTree * GenerateTree( void );
|
|
|
|
private:
|
|
|
|
/// Frequency table
|
|
unsigned int frequency[ 256 ];
|
|
};
|
|
|
|
#endif
|