stack.cc

一个很好的c++ midi解码算法,不依赖于任何平台.

/*
 *  stack.cc
 *  Copyright (C) 1998,1999 SAKAI Katsuya
 *
 *  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
 */

#include <stdio.h> // #include <iostream.h>
#include "stack.h"

LoopData *Stack::pop()
{
  if(itemnum==0) return NULL;
  itemnum--;
  return stack[itemnum];
}

LoopData *Stack::push(LoopData *data)
{
  if(itemnum>=Max) return data;
  stack[itemnum]=data;
  itemnum++;
  return NULL;
}