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/* Copyright (C) 2010 webis.de
 * All rights reserved.
 */
#ifndef AITOOLS_INVERTEDINDEX_SYSTEM_HPP
#define AITOOLS_INVERTEDINDEX_SYSTEM_HPP

#include <boost/filesystem.hpp>
#include <cstdio>

namespace bfs = boost::filesystem;

namespace aitools {
namespace invertedindex {

class System {

private: // c'tor / d'tor

        System();

        ~System();

public: // class methods

        static uint64_t directory_size(const bfs::path& path)
        throw (std::invalid_argument);

        static void fclose(FILE* file);

        static FILE* fopen(const bfs::path& path, const std::string& mode)
        throw (std::invalid_argument);

        static void fread(void* data, size_t size, size_t count, FILE* file)
        throw (std::runtime_error);

        static void fwrite(const void* data, size_t size, size_t count, FILE* file)
        throw (std::runtime_error);

        static void fseek(FILE* file, long offset, int origin)
        throw (std::runtime_error);

        static long ftell(FILE* file)
        throw (std::runtime_error);

        static FILE* tmpfile()
        throw (std::runtime_error);

};

} // namespace invertedindex
} // namespace aitools

#endif // AITOOLS_INVERTEDINDEX_SYSTEM_HPP

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