/**
* vim: set ts=4 :
* =============================================================================
* SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This file is part of the SourceMod/SourcePawn SDK.
*
* 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: $Id$
*/
#if defined _adt_array_included
#endinput
#endif
#define _adt_array_included
/**
* Given a maximum string size (including the null terminator),
* returns the number of cells required to fit that string.
*
* @param size Number of bytes.
* @return Minimum number of cells required to fit the byte count.
*/
stock ByteCountToCells(size)
{
if (!size)
{
return 1;
}
return (size + 3) / 4;
}
/**
* Creates a dynamic global cell array. While slower than a normal array,
* it can be used globally AND dynamically, which is otherwise impossible.
*
* The contents of the array are uniform; i.e. storing a string at index X
* and then retrieving it as an integer is NOT the same as StringToInt()!
* The "blocksize" determines how many cells each array slot has; it cannot
* be changed after creation.
*
* @param blocksize The number of cells each member of the array can
* hold. For example, 32 cells is equivalent to:
* new Array[X][32]
* @param startsize Initial size of the array. Note that data will
* NOT be auto-intialized.
* @return New Handle to the array object.
*/
native Handle:CreateArray(blocksize=1, startsize=0);
/**
* Clears an array of all entries. This is the same as ResizeArray(0).
*
* @param array Array Handle.
* @noreturn
* @error Invalid Handle.
*/
native ClearArray(Handle:array);
/**
* Clones an array, returning a new handle with the same size and data. This should NOT
* be confused with CloneHandle. This is a completely new handle with the same data but
* no relation to the original. You MUST close it.
*
* @param array Array handle to be cloned
* @return New handle to the cloned array object
* @error Invalid Handle
*/
native Handle:CloneArray(Handle:array);
/**
* Resizes an array. If the size is smaller than the current size,
* the array is truncated.
*
* @param array Array Handle.
* @param newsize New size.
* @noreturn
* @error Invalid Handle or out of memory.
*/
native bool:ResizeArray(Handle:array, newsize);
/**
* Returns the array size.
*
* @param array Array Handle.
* @return Number of elements in the array.
* @error Invalid Handle.
*/
native GetArraySize(Handle:array);
/**
* Pushes a value onto the end of an array, adding a new index.
*
* This may safely be used even if the array has a blocksize
* greater than 1.
*
* @param array Array Handle.
* @param value Value to push.
* @return Index of the new entry.
* @error Invalid Handle or out of memory.
*/
native PushArrayCell(Handle:array, any:value);
/**
* Pushes a string onto the end of an array, truncating it
* if it is too big.
*
* @param array Array Handle.
* @param value String to push.
* @return Index of the new entry.
* @error Invalid Handle or out of memory.
*/
native PushArrayString(Handle:array, const String:value[]);
/**
* Pushes an array of cells onto the end of an array. The cells
* are pushed as a block (i.e. the entire array sits at the index),
* rather than pushing each cell individually.
*
* @param array Array Handle.
* @param values Block of values to copy.
* @param size If not set, the number of elements copied from the array
* will be equal to the blocksize. If set higher than the
* blocksize, the operation will be truncated.
* @return Index of the new entry.
* @error Invalid Handle or out of memory.
*/
native PushArrayArray(Handle:array, const any:values[], size=-1);
/**
* Retrieves a cell value from an array.
*
* @param array Array Handle.
* @param index Index in the array.
* @param block Optionally specify which block to read from
* (useful if the blocksize > 0).
* @param asChar Optionally read as a byte instead of a cell.
* @return Value read.
* @error Invalid Handle, invalid index, or invalid block.
*/
native any:GetArrayCell(Handle:array, index, block=0, bool:asChar=false);
/**
* Retrieves a string value from an array.
*
* @param array Array Handle.
* @param index Index in the array.
* @param buffer Buffer to copy to.
* @param maxlength Maximum size of the buffer.
* @return Number of characters copied.
* @error Invalid Handle or invalid index.
*/
native GetArrayString(Handle:array, index, String:buffer[], maxlength);
/**
* Retrieves an array of cells from an array.
*
* @param array Array Handle.
* @param index Index in the array.
* @param buffer Buffer to store the array in.
* @param size If not set, assumes the buffer size is equal to the
* blocksize. Otherwise, the size passed is used.
* @return Number of cells copied.
* @error Invalid Handle or invalid index.
*/
native GetArrayArray(Handle:array, index, any:buffer[], size=-1);
/**
* Sets a cell value in an array.
*
* @param array Array Handle.
* @param index Index in the array.
* @param value Cell value to set.
* @param block Optionally specify which block to write to
* (useful if the blocksize > 0).
* @param asChar Optionally set as a byte instead of a cell.
* @noreturn
* @error Invalid Handle, invalid index, or invalid block.
*/
native SetArrayCell(Handle:array, index, any:value, block=0, bool:asChar=false);
/**
* Sets a string value in an array.
*
* @param array Array Handle.
* @param index Index in the array.
* @param value String value to set.
* @return Number of characters copied.
* @error Invalid Handle or invalid index.
*/
native SetArrayString(Handle:array, index, const String:value[]);
/**
* Sets an array of cells in an array.
*
* @param array Array Handle.
* @param index Index in the array.
* @param values Array to copy.
* @param size If not set, assumes the buffer size is equal to the
* blocksize. Otherwise, the size passed is used.
* @return Number of cells copied.
* @error Invalid Handle or invalid index.
*/
native SetArrayArray(Handle:array, index, const any:values[], size=-1);
/**
* Shifts an array up. All array contents after and including the given
* index are shifted up by one, and the given index is then "free."
* After shifting, the contents of the given index is undefined.
*
* @param array Array Handle.
* @param index Index in the array to shift up from.
* @noreturn
* @error Invalid Handle or invalid index.
*/
native ShiftArrayUp(Handle:array, index);
/**
* 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 array Array Handle.
* @param index Index in the array to remove at.
* @noreturn
* @error Invalid Handle or invalid index.
*/
native RemoveFromArray(Handle:array, index);
/**
* Swaps two items in the array.
*
* @param array Array Handle.
* @param index1 First index.
* @param index2 Second index.
* @noreturn
* @error Invalid Handle or invalid index.
*/
native SwapArrayItems(Handle:array, index1, index2);
/**
* Returns the index for the first occurance of the provided string. If the string
* cannot be located, -1 will be returned.
*
* @param array Array Handle.
* @param item String to search for
* @return Array index, or -1 on failure
* @error Invalid Handle
*/
native FindStringInArray(Handle:array, const String:item[]);
/**
* Returns the index for the first occurance of the provided value. If the value
* cannot be located, -1 will be returned.
*
* @param array Array Handle.
* @param item Value to search for
* @return Array index, or -1 on failure
* @error Invalid Handle
*/
native FindValueInArray(Handle:array, any:item);