sourcemod/public/ICellArray.h
Peace-Maker 5b9ae5917b Add ICellArray and create/free in ISourceMod
Add an ICellArray interface to expose the adt_array CellArray class from
logic to core.
Add methods to ISourceMod to create and delete ICellArray instances in
logic.
2016-08-21 21:32:23 +02:00

147 lines
4.6 KiB
C++

/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2016 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* 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. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_INTERFACE_CELLARRAY_H_
#define _INCLUDE_SOURCEMOD_INTERFACE_CELLARRAY_H_
/**
* @file ICellArray.h
* @brief Contains functions for dynamic arrays in plugins. The wrappers
* for creating these are contained in ISourceMod.h
*/
namespace SourceMod
{
/**
* @brief Specifies a dynamic array data structure used in plugins.
*/
class ICellArray
{
public:
/**
* @brief Retrieve the size of the array.
*
* @return The size of the array.
*/
virtual size_t size() const = 0;
/**
* @brief Increases the size of the array by one and returns
* a pointer to the newly added item at the end of the array.
*
* @return A pointer to the new item added at the end
* or NULL if growing the array failed.
*/
virtual cell_t *push() = 0;
/**
* @brief Retrieve a pointer to the memory at a given index.
*
* @return A pointer to the memory for item at given index.
*/
virtual cell_t *at(size_t index) const = 0;
/**
* @brief Retrieve the block size set while creating the CellArray.
* It determines how many cells each array slot has.
*
* @return The block size of the array.
*/
virtual size_t blocksize() const = 0;
/**
* @brief Clears an array of all entries.
* This is the same as Resize(0).
*/
virtual void clear() = 0;
/**
* @brief Swaps two items in the array.
*
* @param item1 First index.
* @param item2 Second index.
* @return True if items were swapped, false otherwise.
*/
virtual bool swap(size_t item1, size_t item2) = 0;
/**
* @brief Removes an array index, shifting the entire array down from that position
* on. For example, if item 8 of 10 is removed, the last 3 items will then be
* (6,7,8) instead of (7,8,9), and all indexes before 8 will remain unchanged.
*
* @param index Index in the array to remove at.
*/
virtual void remove(size_t index) = 0;
/**
* @brief Shifts items at the given index and following up by one
* to make space for a new item at the index.
*
* @param index Index in the array to insert at.
* @return Pointer to item space at the given index or NULL if shifting failed.
*/
virtual cell_t *insert_at(size_t index) = 0;
/**
* @brief Resizes an array. If the size is smaller than the current size, the
* array is truncated.
*
* @param newsize New size
* @return True if resized, false otherwise.
*/
virtual bool resize(size_t newsize) = 0;
/**
* @brief Clones an array, returning a new object
* with the same size and data.
*
* @return Pointer to cloned array instance.
*/
virtual ICellArray *clone() = 0;
/**
* @brief Retrieve a pointer to the array base.
*
* @return Pointer to the array base.
*/
virtual cell_t *base() = 0;
/**
* @brief Retrieve the amount of memory used by this array in bytes.
*
* @return Amount of memory used in bytes.
*/
virtual size_t mem_usage() = 0;
};
}
#endif //_INCLUDE_SOURCEMOD_INTERFACE_CELLARRAY_H_