1 /*****************************************************************************

     2  *

     3  *  $Id$

     4  *

     5  *  Copyright (C) 2006-2009  Florian Pose, Ingenieurgemeinschaft IgH

     6  *

     7  *  This file is part of the IgH EtherCAT Master.

     8  *

     9  *  The IgH EtherCAT Master is free software; you can redistribute it and/or

    10  *  modify it under the terms of the GNU General Public License version 2, as

    11  *  published by the Free Software Foundation.

    12  *

    13  *  The IgH EtherCAT Master is distributed in the hope that it will be useful,

    14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

    15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General

    16  *  Public License for more details.

    17  *

    18  *  You should have received a copy of the GNU General Public License along

    19  *  with the IgH EtherCAT Master; if not, write to the Free Software

    20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    21  *

    22  *  ---

    23  *

    24  *  The license mentioned above concerns the source code only. Using the

    25  *  EtherCAT technology and brand is only permitted in compliance with the

    26  *  industrial property and similar rights of Beckhoff Automation GmbH.

    27  *

    28  ****************************************************************************/

    29 

    30 #include <list>

    31 using namespace std;

    32 

    33 /*****************************************************************************/

    34 

    35 class NumberListParser

    36 {

    37     public:

    38         NumberListParser();

    39         ~NumberListParser();

    40 

    41         typedef list<unsigned int> NumberList;

    42 

    43         NumberList parse(const char *);

    44 

    45         virtual unsigned int getMax() = 0;

    46 

    47     private:

    48         unsigned int max;

    49         bool hasMax;

    50 

    51         unsigned int maximum();

    52 

    53         static bool isNumeric(char);

    54         static unsigned int parseNumber(const char *, unsigned int *,

    55                 unsigned int);

    56         static NumberList range(unsigned int, unsigned int);

    57 };

    58 

    59 /****************************************************************************/