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/**
* Copyright (C) 2014 Justin James.
*
* This license must be preserved.
* Any applications, libraries, or code which make any use of any
* component of this program must not be commercial, unless explicit
* permission is granted from the original author. The use of this
* program for non-profit purposes is permitted.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In the event that this license restricts you from making desired use of this program, contact the original author.
* Written by Justin James <justin.aj@hotmail.com>
*/
#if !defined _REHASH_H_HEADER
#define _REHASH_H_HEADER
/**
* @file Rehash.h
* @brief Provides a C++ rehash system, which is also accessable through a C interface.
*/
#include "Jupiter.h"
#if defined __cplusplus
namespace Jupiter
{
class JUPITER_API Rehashable
{
public:
/**
* @brief Rehashes an object's status.
*
* @return 0 if no error occurs, a postive integer if an error occurs, or a negative integer if an error occurs and the object should be deleted.
*/
virtual int OnRehash() = 0;
/**
* @brief Default constructor for the Rehashable class.
*/
Rehashable();
/**
* @brief Copy constructor for the Rehashable class.
*/
Rehashable(const Rehashable &);
/**
* @brief Destructor for the Rehashable class.
*/
virtual ~Rehashable();
}; // Jupiter::Rehashable class
/**
* @brief Calls OnRehash() on every rehashable object.
*
* @return Number of objects which returned an error.
*/
JUPITER_API unsigned int rehash();
/**
* @brief Fetches the number of rehashable objects.
*
* @return Number of rehashable objects.
*/
JUPITER_API unsigned int getRehashableCount();
/**
* @brief Adds a function to be called during the rehash process.
*
* @param function Function to call (@see Jupiter::Rehashable::OnRehash()).
*/
JUPITER_API void addOnRehash(int(*function)(void));
/**
* @brief Removes a function from the rehash list.
*
* @param function Function to remove.
* @return True if a function was removed, false otherwise.
*/
JUPITER_API bool removeOnRehash(int(*function)(void));
/**
* @brief Removes all functions from the rehash list.
* Note: This should be called during application clean-up.
*
* @return Number of functions removed.
*/
JUPITER_API unsigned int removeAllOnRehash();
} // Jupiter namespace
extern "C"
{
#else
#include <stdbool.h> // bool type
#endif // __cplusplus
/**
* @brief Calls OnRehash() on every rehashable object.
*
* @return Number of objects which returned an error.
*/
JUPITER_API unsigned int Jupiter_rehash();
/**
* @brief Fetches the number of rehashable objects.
*
* @return Number of rehashable objects.
*/
JUPITER_API unsigned int Jupiter_getRehashableCount();
/**
* @brief Adds a function to be called during the rehash process.
*
* @param function Function to call (@see Jupiter::Rehashable::OnRehash()).
*/
JUPITER_API void Jupiter_addOnRehash(int(*function)(void));
/**
* @brief Removes a function from the rehash list.
*
* @param function Function to remove.
* @return True if a function was removed, false otherwise.
*/
JUPITER_API bool Jupiter_removeOnRehash(int(*function)(void));
/**
* @brief Removes all functions from the rehash list.
* Note: This should be called during application clean-up.
*
* @return Number of functions removed.
*/
JUPITER_API unsigned int Jupiter_removeAllOnRehash();
#if defined __cplusplus
} // extern "C"
#endif // __cplusplus
#endif // _REHASH_H_HEADER