PolicyParserFactory.h

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// -*- lsst-c++ -*-
 
/*
 * LSST Data Management System
 * Copyright 2008, 2009, 2010 LSST Corporation.
 *
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * 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 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 General Public License for more details.
 *
 * You should have received a copy of the LSST License Statement and
 * the GNU General Public License along with this program.  If not,
 * see <http://www.lsstcorp.org/LegalNotices/>.
 */
 
#ifndef LSST_PEX_POLICY_PARSERFACTORY_H
#define LSST_PEX_POLICY_PARSERFACTORY_H
 
#include <string>
 
#include "lsst/pex/policy/Policy.h"
 
#include <memory>
 
namespace lsst {
namespace pex {
namespace policy {
 
// forward declaration
class PolicyParser;
 
// class PolicyParserFactory {  // causing deletion problems
 
class PolicyParserFactory {
public:
    typedef std::shared_ptr<PolicyParserFactory> Ptr;
 
    PolicyParserFactory() {}
 
    //    PolicyParserFactory() { }
 
    virtual ~PolicyParserFactory();
 
    virtual PolicyParser* createParser(Policy& policy, bool strict = true) const = 0;
 
    virtual bool isRecognized(const std::string& leaders) const = 0;
 
    virtual const std::string& getFormatName();
 
    static const std::string UNRECOGNIZED;
};
 
}  // namespace policy
}  // namespace pex
}  // namespace lsst
 
#endif  // LSST_PEX_POLICY_PARSERFACTORY_H