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 #ifndef __DATATYPEHANDLER_H__

    31 #define __DATATYPEHANDLER_H__

    32 

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

    34 

    35 #include <stdint.h>

    36 #include <string>

    37 #include <stdexcept>

    38 #include <ostream>

    39 

    40 /****************************************************************************/

    41 

    42 class DataTypeHandler

    43 {

    44     public:

    45         DataTypeHandler();

    46 

    47     protected:

    48         struct DataType {

    49             const char *name;

    50             uint16_t code;

    51             size_t byteSize;

    52         };

    53 

    54         static const DataType *findDataType(const std::string &);

    55         static const DataType *findDataType(uint16_t);

    56         static size_t interpretAsType(const DataType *, const std::string &,

    57                 void *, size_t);

    58 

    59         class SizeException:

    60             public std::runtime_error

    61         {

    62             public:

    63                 SizeException(const std::string &msg):

    64                     runtime_error(msg) {}

    65         };

    66 

    67         static void outputData(std::ostream &, const DataType *,

    68                 void *, size_t);

    69         static void printRawData(ostream &, const uint8_t *, size_t);

    70 

    71     private:

    72         static const DataType dataTypes[];

    73 };

    74 

    75 /****************************************************************************/

    76 

    77 #endif