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/*
* exception.h
*
* Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
*
* This file is part of sqlite3cc (hereafter referred to as "this program").
* See http://www.waxworlds.org/edam/software/sqlite3cc for more information.
*
* 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 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 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef SQLITE3CC_EXCEPTION_H_
#define SQLITE3CC_EXCEPTION_H_
#include <sqlite3.h>
#include <stdexcept>
namespace sqlite
{
/**
* Main (base) sqlite exception class.
*/
class sqlite_error
:
public std::exception
{
//______________________________________________________________________________
// instantiation
public:
/**
* Constructor that takes an sqlite error code and determines it's own
* error message
* @param error_code the sqlite error code
*/
explicit sqlite_error(
int error_code );
/**
* Constructor that allows the creation of an sqlite error with a custom
* message.
* @param message a customer error message string
* @param error_code the sqlite error code
*/
explicit sqlite_error(
const std::string &message,
int error_code = SQLITE_ERROR );
virtual ~sqlite_error() throw( );
//______________________________________________________________________________
// public interface
public:
/**
* Get the sqlite error code associated with this error
* @returns the sqlite error code
*/
int get_error_code() const;
/**
* Get the error message
* @returns the error message
*/
virtual const char* what() const throw( );
//______________________________________________________________________________
// implementation
private:
/**
* Retrieve an automatic error message for a given sqlite error code
* @param the sqlite error code
* @returns the automatic string
*/
const std::string &get_error_message(
int error_code );
/** the error code */
int _error_code;
/** the message string */
std::string _message;
};
/**
* An sqlite error that indicates the database was busy
*/
class sqlite_busy
:
public sqlite_error
{
public:
sqlite_busy()
:
sqlite_error( "database was busy", SQLITE_BUSY )
{ }
};
} // namespace sqlite
#endif /* SQLITE3CC_EXCEPTION_H_ */
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