minetest/src/exceptions.h

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser 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.
*/

#ifndef EXCEPTIONS_HEADER
#define EXCEPTIONS_HEADER

#include <exception>
#include <string>


class BaseException : public std::exception
{
public:
	BaseException(const std::string &s) throw()
	{
		m_s = s;
	}
	~BaseException() throw() {}
	virtual const char * what() const throw()
	{
		return m_s.c_str();
	}
protected:
	std::string m_s;
};

class AsyncQueuedException : public BaseException {
public:
	AsyncQueuedException(const std::string &s): BaseException(s) {}
};

class NotImplementedException : public BaseException {
public:
	NotImplementedException(const std::string &s): BaseException(s) {}
};

class AlreadyExistsException : public BaseException {
public:
	AlreadyExistsException(const std::string &s): BaseException(s) {}
};

class VersionMismatchException : public BaseException {
public:
	VersionMismatchException(const std::string &s): BaseException(s) {}
};

class FileNotGoodException : public BaseException {
public:
	FileNotGoodException(const std::string &s): BaseException(s) {}
};

class SerializationError : public BaseException {
public:
	SerializationError(const std::string &s): BaseException(s) {}
};

class LoadError : public BaseException {
public:
	LoadError(const std::string &s): BaseException(s) {}
};

class ContainerFullException : public BaseException {
public:
	ContainerFullException(const std::string &s): BaseException(s) {}
};

class SettingNotFoundException : public BaseException {
public:
	SettingNotFoundException(const std::string &s): BaseException(s) {}
};

class InvalidFilenameException : public BaseException {
public:
	InvalidFilenameException(const std::string &s): BaseException(s) {}
};

class ProcessingLimitException : public BaseException {
public:
	ProcessingLimitException(const std::string &s): BaseException(s) {}
};

class CommandLineError : public BaseException {
public:
	CommandLineError(const std::string &s): BaseException(s) {}
};

class ItemNotFoundException : public BaseException {
public:
	ItemNotFoundException(const std::string &s): BaseException(s) {}
};

class ServerError : public BaseException {
public:
	ServerError(const std::string &s): BaseException(s) {}
};

// Only used on Windows (SEH)
class FatalSystemException : public BaseException {
public:
	FatalSystemException(const std::string &s): BaseException(s) {}
};

/*
	Some "old-style" interrupts:
*/

class InvalidPositionException : public BaseException
{
public:
	InvalidPositionException():
		BaseException("Somebody tried to get/set something in a nonexistent position.")
	{}
	InvalidPositionException(const std::string &s):
		BaseException(s)
	{}
};

class TargetInexistentException : public std::exception
{
	virtual const char * what() const throw()
	{
		return "Somebody tried to refer to something that doesn't exist.";
	}
};

class NullPointerException : public std::exception
{
	virtual const char * what() const throw()
	{
		return "NullPointerException";
	}
};

#endif