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tdeadmin/kdat/Range.h

108 lines
2.6 KiB

// KDat - a tar-based DAT archiver
// Copyright (C) 1998-2000 Sean Vyain, svyain@mail.tds.net
// Copyright (C) 2001-2002 Lawrence Widman, kdat@cardiothink.com
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#ifndef _Range_h_
#define _Range_h_
#include <qptrlist.h>
/**
* @short This class represents a range of tar records.
*/
class Range {
int _start;
int _end;
public:
/**
* Create a new range.
*
* @param start The first tar record in the range.
* @param end The last tar record in the range.
*/
Range( int start = 0, int end = 0 );
/**
* Get the first tar record in this range.
*
* @return The starting tar record.
*/
int getStart();
/**
* Get the last tar record in this range.
*
* @return The ending tar record.
*/
int getEnd();
/**
* Set the first tar record in this range.
*
* @param start The starting tar record.
*/
void setStart( int start );
/**
* Set the last tar record in this range.
*
* @param end The ending tar record.
*/
void setEnd( int end );
};
/**
* A simple list of Ranges.
*/
class RangeList {
QPtrList<Range> _ranges;
public:
/**
* Create an empty list of ranges.
*/
RangeList();
/**
* Destroy each range in the list.
*/
~RangeList();
/**
* Get the simplified list of ranges.
*
* @return The list of ranges.
*/
const QPtrList<Range>& getRanges() const;
/**
* Intelligently add the given range to the list of ranges. If possible,
* the new range is merged with one (or two) of the existing ranges in
* the list. Otherwise, a new range is added to the list.
*
* @param start The starting tar record.
* @param end The ending tar record.
*/
void addRange( int start, int end );
/**
* Erase the list of ranges.
*/
void clear();
};
#endif