exceptions.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
 *                                                                           *
 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
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 * it under the terms of the Mozilla Public License Version 2.0 as published *
 * by the Mozilla Foundation; either version 2 of the License, or            *
 * (at your option) any later version.                                       *
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 * 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              *
 * Mozilla Public License Version 2.0                                        *
 * (https://www.mozilla.org/en-US/MPL/2.0/) for more details.                *
 ****************************************************************************/
 
#ifndef VCL_IO_EXCEPTIONS_H
#define VCL_IO_EXCEPTIONS_H
 
#include <stdexcept>
#include <string>
 
namespace vcl {
 
class UnknownFileFormatException : public std::runtime_error
{
public:
    UnknownFileFormatException(const std::string& err) : std::runtime_error(err)
    {
    }
 
    virtual const char* what() const throw()
    {
        static std::string error;
        error =
            std::string("Unknown File Format - ") + std::runtime_error::what();
        return error.c_str();
    }
};
 
class CannotOpenFileException : public std::runtime_error
{
public:
    CannotOpenFileException(const std::string& err) : std::runtime_error(err) {}
 
    virtual const char* what() const throw()
    {
        static std::string error;
        error = std::string("Cannot Open File - ") + std::runtime_error::what();
        return error.c_str();
    }
};
 
class MalformedFileException : public std::runtime_error
{
public:
    MalformedFileException(const std::string& err) : std::runtime_error(err) {}
 
    virtual const char* what() const throw()
    {
        static std::string error;
        error = std::string("Malformed File - ") + std::runtime_error::what();
        return error.c_str();
    }
};
 
} // namespace vcl
 
#endif // VCL_IO_EXCEPTIONS_H