rawfilefactory.hpp

/*
 * libopenraw - rawfilefactory.hpp
 *
 * Copyright (C) 2006-2023 Hubert Figuiere
 *
 * This library 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 library 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 library.  If not, see
 * <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <functional>
#include <map>
#include <string>
 
#include "io/stream.hpp"
#include "rawfile.hpp"
 
namespace OpenRaw {
namespace Internals {
 
class RawFileFactory {
public:
    typedef std::function<RawFile *(const IO::Stream::Ptr &)>
        raw_file_factory_t;
    typedef std::map<RawFile::Type, raw_file_factory_t> Table;
    typedef std::map<std::string, RawFile::Type> Extensions;
 
    RawFileFactory() = delete;
    ~RawFileFactory() = delete;
 
    static const Table &table() {
        return table_mut();
    }
    static const Extensions &extensions() {
        return extensions_mut();
    }
 
    static const char **fileExtensions();
 
    static void registerType(RawFile::Type type, const raw_file_factory_t &fn,
                             const char *ext);
private:
    static Table &table_mut();
    static Extensions &extensions_mut();
    static void unRegisterType(RawFile::Type type);
};
 
}
}
/*
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*/