encfs/base/Interface.h

46 lines
1.6 KiB
C++

/*****************************************************************************
* Author: Valient Gough <vgough@pobox.com>
*
*****************************************************************************
* Copyright (c) 2004, Valient Gough
*
* 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 _Interface_incl_
#define _Interface_incl_
#include <string>
#include "base/interface.pb.h"
namespace encfs {
// check if A implements the interface described by B.
// Note that implements(A, B) is not the same as implements(B, A)
// This checks the current() version and age() against B.current() for
// compatibility. Even if A.implements(B) is true, B > A may also be
// true, meaning B is a newer revision of the interface then A.
bool implements(const Interface &a, const Interface &b);
Interface makeInterface(const std::string &name, int major, int minor, int age);
// Read operation
class ConfigVar;
const ConfigVar &operator>>(const ConfigVar &, Interface &);
bool operator!=(const Interface &a, const Interface &b);
} // namespace encfs
#endif