athena/include/Athena/FileNotFoundException.hpp

84 lines
2.9 KiB
C++

// This file is part of libAthena.
//
// libAthena 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.
//
// libAthena 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 libAthena. If not, see <http://www.gnu.org/licenses/>
#ifndef FILENOTFOUNDEXCEPTION_HPP
#define FILENOTFOUNDEXCEPTION_HPP
#include "Athena/Exception.hpp"
namespace Athena
{
namespace error
{
/*! \class FileNotFoundException
* \brief An excpeption thrown when a file could not be found at the given path.
*
* This should only be thrown when the Stream is unable to open a file.<br />
* <br />
* It is <b>NOT</b> appropriate to use <b>throw new</b> so avoid doing so,
* keeping things on the stack as much as possible is very important for speed.
*/
class FileNotFoundException : public Exception
{
public:
/*! \brief The constructor for an FileNotFoundException
* \param filename The path of the offending file.
*/
inline FileNotFoundException(const std::string& filename, const std::string& file, const std::string& function, const int line) :
Exception(std::string("FileNotFoundException: Could not find file \"") + filename + std::string("\", please check that it exists."), file, function, line),
m_filename(filename)
{
m_exceptionName = "FileNotFoundException";
}
/*! \brief Returns the path of the offending file.
* \return std::string The filename of the file including the path.
*/
inline std::string filename() const { return m_filename; }
private:
std::string m_filename;
};
} // error
} // Athena
#ifndef THROW_FILE_NOT_FOUND_EXCEPTION
#define THROW_FILE_NOT_FOUND_EXCEPTION(msg) \
do { \
if (atGetExceptionHandler()) \
{ \
atGetExceptionHandler()(__FILE__, AT_PRETTY_FUNCTION, __LINE__, msg); \
return; \
} \
else \
throw Athena::error::FileNotFoundException(msg, __FILE__, AT_PRETTY_FUNCTION, __LINE__); \
} while(0)
#endif
#ifndef THROW_FILE_NOT_FOUND_EXCEPTION_RETURN
#define THROW_FILE_NOT_FOUND_EXCEPTION_RETURN(ret, msg) \
do { \
if (atGetExceptionHandler()) \
{ \
atGetExceptionHandler()(__FILE__, AT_PRETTY_FUNCTION, __LINE__, msg); \
return ret; \
} \
else \
throw Athena::error::FileNotFoundException(msg, __FILE__, AT_PRETTY_FUNCTION, __LINE__); \
} while(0)
#endif
#endif // FILENOTFOUNDEXCEPTION_HPP