neural++_exception.hpp

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/**************************************************************************************************
 * LibNeural++ v.0.4 - All-purpose library for managing neural networks                           *
 * Copyright (C) 2009, BlackLight                                                                 *
 *                                                                                                *
 * 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 3 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, see <http://www.gnu.org/licenses/>.                                      *
 **************************************************************************************************/

#ifndef __NEURALPP_EXCEPTION
#define __NEURALPP_EXCEPTION

#include <cstdio>
#include <cstring>
#include <exception>

namespace neuralpp  {
        class NetworkFileNotFoundException : public std::exception  {
        public:
                NetworkFileNotFoundException()  {}
                const char* what() const throw() { return "Attempt to load a neural network from an invalid network file"; }
        };

        class NetworkFileWriteException : public std::exception  {
        public:
                NetworkFileWriteException()  {}
                const char* what() const throw()  { return "There was an error while writing the network file"; }
        };

        class InvalidXMLException : public std::exception  {
                char *error;

        public:
                InvalidXMLException(const char *err = " ")  {
                        error = new char[strlen(err)+40];
                        sprintf (error, "Attempt to load an invalid XML file: %s", err);
                }
                
                const char* what() const throw() { return error; }
        };

        class NetworkIndexOutOfBoundsException : public std::exception  {
        public:
                NetworkIndexOutOfBoundsException()  {}
                const char* what() const throw()  { return "Attempt to access a non-existing neuron"; }
        };

        class InvalidSynapticalWeightException : public std::exception  {
        public:
                InvalidSynapticalWeightException()  {}
                const char* what() const throw()  { return "Attempt to set an invalid weight for the synapsis"; }
        };
}

#endif

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