scummvm/common/error.h

72 lines
2.7 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef COMMON_ERROR_H
#define COMMON_ERROR_H
namespace Common {
/**
* This file contains an enum with commonly used error codes.
*/
/**
* Error codes which may be reported by plugins under various circumstances.
*
* @todo Clarify the names; add more codes, resp. verify all existing ones are acutally useful.
* Also, try to avoid overlap.
* @todo Maybe introduce a naming convention? E.g. k-NOUN/ACTION-CONDITION-Error, so
* kPathInvalidError would be correct, but these would not be: kInvalidPath,
* kPathInvalid, kPathIsInvalid, kInvalidPathError
*/
enum Error {
kNoError = 0, //!< No error occured
kInvalidPathError, //!< Engine initialization: Invalid game path was passed
kNoGameDataFoundError, //!< Engine initialization: No game data was found in the specified location
kUnsupportedGameidError, //!< Engine initialization: Gameid not supported by this (Meta)Engine
kUnsupportedColorMode, //!< Engine initialization: Engine does not support backend's color mode
kReadPermissionDenied, //!< Unable to read data due to missing read permission
kWritePermissionDenied, //!< Unable to write data due to missing write permission
// The following three overlap a bit with kInvalidPathError and each other. Which to keep?
kPathDoesNotExist, //!< The specified path does not exist
kPathNotDirectory, //!< The specified path does not point to a directory
kPathNotFile, //!< The specified path does not point to a file
kCreatingFileFailed,
kReadingFailed, //!< Failed creating a (savestate) file
kWritingFailed, //!< Failure to write data -- disk full?
kUnknownError //!< Catch-all error, used if no other error code matches
};
} // End of namespace Common
#endif //COMMON_ERROR_H