ModuleImporter.h

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// -*- lsst-c++ -*-
/*
 * LSST Data Management System
 * Copyright 2008-2013 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_BASE_ModuleImporter_h_INCLUDED
#define LSST_BASE_ModuleImporter_h_INCLUDED
 
#include <string>
 
namespace lsst { namespace base {
 
class ModuleImporter {
public:
 
    static bool import(std::string const & name);
 
    // No copying
    ModuleImporter (const ModuleImporter&) = delete;
    ModuleImporter& operator=(const ModuleImporter&) = delete;
 
    // No moving
    ModuleImporter (ModuleImporter&&) = delete;
    ModuleImporter& operator=(ModuleImporter&&) = delete;
 
protected:
 
    ModuleImporter() {}
 
    virtual bool _import(std::string const & name) const = 0;
 
    virtual ~ModuleImporter() {}
 
private:
 
    friend void installPythonModuleImporter();
 
    static void install(ModuleImporter const * importer);
 
};
 
}} // namespace lsst::base
 
#endif // !LSST_BASE_ModuleImporter_h_INCLUDED