include/dai/exceptions.h

   1 /*  Copyright (C) 2006-2008  Joris Mooij  [j dot mooij at science dot ru dot nl]
   2     Radboud University Nijmegen, The Netherlands
   3
   4     This file is part of libDAI.
   5
   6     libDAI is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     libDAI is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with libDAI; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 */
  20
  21
  22 #ifndef __defined_libdai_exceptions_h
  23 #define __defined_libdai_exceptions_h
  24
  25
  26 #include <exception>
  27 #include <stdexcept>
  28 #include <string>
  29
  30
  31 #define DAI_QUOTE(x) #x
  32 #define DAI_TOSTRING(x) DAI_QUOTE(x)
  33
  34 #define DAI_THROW(cod) throw dai::Exception(dai::Exception::cod, std::string(__FILE__ ", line " DAI_TOSTRING(__LINE__)))
  35
  36
  37 namespace dai {
  38
  39
  40     class Exception : public std::runtime_error {
  41         public:
  42             Exception(size_t code, const std::string& msg = "") : std::runtime_error(ErrorStrings[code] + " [" +  msg + "]") {}
  43
  44         enum {NOT_IMPLEMENTED,
  45               UNKNOWN_DAI_ALGORITHM,
  46               UNKNOWN_PROPERTY_TYPE,
  47               MALFORMED_PROPERTY,
  48               UNKNOWN_ENUM_VALUE,
  49               CANNOT_READ_FILE,
  50               CANNOT_WRITE_FILE,
  51               INVALID_FACTORGRAPH_FILE,
  52               NOT_ALL_PROPERTIES_SPECIFIED,
  53               MULTIPLE_UNDO,
  54               FACTORGRAPH_NOT_CONNECTED,
  55               IMPOSSIBLE_TYPECAST,
  56               INTERNAL_ERROR,
  57               NUM_ERRORS};  // NUM_ERRORS should be the last entry
  58
  59         private:
  60             static std::string ErrorStrings[NUM_ERRORS];
  61     };
  62
  63
  64 }
  65
  66
  67 #endif