1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
|
/** @file flint_version.h
* @brief FlintVersion class
*/
/* Copyright (C) 2006,2007 Olly Betts
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef OM_HGUARD_FLINT_VERSION_H
#define OM_HGUARD_FLINT_VERSION_H
#include <string>
/** The FlintVersion class manages the "iamflint" file.
*
* The "iamflint" file (currently) contains a "magic" string identifying
* that this is a flint database and a database format version number.
*/
class FlintVersion {
std::string filename;
public:
FlintVersion(const std::string & dbdir) : filename(dbdir) {
filename += "/iamflint";
}
/** Create the version file. */
void create();
/** Read the version file and check it's a version we understand.
*
* @param readonly true if the database is being opened readonly.
*
* On failure, an exception is thrown.
*/
void read_and_check(bool readonly);
};
#endif
|