exception.hpp

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#ifndef GENESIS_UTILS_CORE_EXCEPTION_H_
#define GENESIS_UTILS_CORE_EXCEPTION_H_
 
/*
    Genesis - A toolkit for working with phylogenetic data.
    Copyright (C) 2014-2020 Lucas Czech and HITS gGmbH
 
    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/>.
 
    Contact:
    Lucas Czech <lucas.czech@h-its.org>
    Exelixis Lab, Heidelberg Institute for Theoretical Studies
    Schloss-Wolfsbrunnenweg 35, D-69118 Heidelberg, Germany
*/
 
#include <stdexcept>
#include <string>
 
namespace genesis {
namespace except {
 
// =================================================================================================
//     Exception Base Class
// =================================================================================================
 
class Exception
    : public std::exception
{
public:
 
    Exception( std::string const& message )
        : message_( message )
    {}
 
    char const* what() const noexcept override {
        return message_.c_str();
    }
 
protected:
 
    std::string message_;
 
};
 
// =================================================================================================
//     File Related Errors
// =================================================================================================
 
class IOError
    : public Exception
{
public:
 
    IOError( std::string const& message )
        : Exception( message )
    {}
 
    IOError( std::string const& message, std::string const& filename )
        : Exception( message )
        , filename_( filename )
    {}
 
    std::string const& filename() const
    {
        return filename_;
    }
 
protected:
 
    std::string filename_;
};
 
class ExistingFileError
    : public IOError
{
public:
 
    ExistingFileError( std::string const& message, std::string const& filename )
        : IOError( message, filename )
    {}
};
 
} // namespace except
} // namespace genesis
 
#endif // include guard