/*
Protocol Definition Language
Copyright (C) 2003-2006 Marcus Andersson
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
*/
package net.sf.nmedit.jpdl2.stream;
/**
* The data source.
*/
public interface PDLDataSource
{
/**
* Returns the data size.
* @return the data size
*/
int getSize();
/**
* Returns the current position.
* @return the current position
*/
int getPosition();
/**
* Sets the current position.
* @param position the new position
*/
void setPosition(int position);
/**
* Returns true if the specified amount of data is available.
* @param size amount of data
* @return true if the specified amount of data is available
*/
boolean isAvailable(int size);
/**
* Returns the next integer of the specified number of bits.
*
* @param bitcount size of the integer (0 <= bitcount <= 32)
* @return the next integer of the specified number of bits
*/
int getInt(int bitcount);
}