amxmodx/amxmodx/CStack.h
2005-07-31 20:11:58 +00:00

102 lines
2.1 KiB
C++
Executable File

/* AMX Mod X
*
* by the AMX Mod X Development Team
* originally developed by OLO
*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of 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.
*
* 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, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*/
//by David "BAILOPAN" Anderson
#ifndef _INCLUDE_CSTACK_H
#define _INCLUDE_CSTACK_H
template <class T>
class CStack
{
public:
struct CStackItem
{
public:
T item;
CStackItem *prev;
};
public:
CStack()
{
mSize = 0;
mStack = NULL;
}
~CStack()
{
CStackItem *p, *t;
p = mStack;
while (p)
{
t = p->prev;
delete p;
p = t;
}
mStack = NULL;
}
bool empty()
{
return (mSize==0);
}
void push(const T & v)
{
CStackItem *p = new CStackItem;
p->item = v;
p->prev = mStack;
mStack = p;
mSize++;
}
void pop()
{
CStackItem *p = mStack;
mStack = p->prev;
delete p;
mSize--;
}
T & top()
{
return mStack->item;
}
size_t size()
{
return mSize;
}
private:
CStackItem *mStack;
size_t mSize;
};
#endif //_INCLUDE_CQUEUE_H