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/*
===========================================================================
Copyright (C) 2015 the OpenMoHAA team
This file is part of OpenMoHAA source code.
OpenMoHAA source code 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.
OpenMoHAA source code 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 OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// stack.h : Generic Stack object.
#ifndef __STACK_H__
#define __STACK_H__
#if defined(GAME_DLL)
//
// game dll specific defines
//
# include "g_local.h"
# define STACK_Error gi.Error
# define STACK_DPrintf gi.DPrintf
# define STACK_WDPrintf(text) gi.DPrintf(text)
#elif defined(CGAME_DLL)
//
// cgame dll specific defines
//
# include "cg_local.h"
# define STACK_Error cgi.Error
# define STACK_DPrintf cgi.DPrintf
# define STACK_WDPrintf(text) cgi.DPrintf(text)
#else
//
// client specific defines
//
# define STACK_Error Com_Error
# define STACK_DPrintf Com_DPrintf
# define STACK_WDPrintf(text) Com_DPrintf(text)
#endif
template<class Type>
class StackNode
{
public:
Type data;
StackNode *next;
StackNode(Type d);
};
template<class Type>
inline StackNode<Type>::StackNode(Type d)
: data(d)
{
next = NULL;
}
template<class Type>
class Stack
{
private:
StackNode<Type> *head;
public:
Stack();
~Stack<Type>();
void Clear(void);
qboolean Empty(void);
void Push(Type data);
Type Pop(void);
Type Head(void);
};
template<class Type>
inline Stack<Type>::Stack()
{
head = NULL;
}
template<class Type>
inline Stack<Type>::~Stack()
{
Clear();
}
template<class Type>
inline void Stack<Type>::Clear(void)
{
while (!Empty()) {
Pop();
}
}
template<class Type>
inline qboolean Stack<Type>::Empty(void)
{
if (head == NULL) {
return true;
}
return false;
}
template<class Type>
inline void Stack<Type>::Push(Type data)
{
StackNode<Type> *tmp;
tmp = new StackNode<Type>(data);
if (!tmp) {
assert(NULL);
STACK_Error(ERR_DROP, "Stack::Push : Out of memory");
}
tmp->next = head;
head = tmp;
}
template<class Type>
inline Type Stack<Type>::Pop(void)
{
Type ret;
StackNode<Type> *node;
if (!head) {
return NULL;
}
node = head;
ret = node->data;
head = node->next;
delete node;
return ret;
}
template<class Type>
inline Type Stack<Type>::Head(void)
{
if (!head) {
return NULL;
}
return head->data;
}
#endif /* stack.h */
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