dl_wrapper.h

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// g2o - General Graph Optimization
// Copyright (C) 2011 R. Kuemmerle, G. Grisetti, W. Burgard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the
//   documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
#ifndef G2O_DL_WRAPPER_H
#define G2O_DL_WRAPPER_H
 
// clang-format off
#ifdef WINDOWS
#include <windows.h>
#endif
// clang-format on
 
#include <string>
#include <vector>
 
#include "g2o_cli_api.h"
 
namespace g2o {

class G2O_CLI_API DlWrapper {
 public:
  DlWrapper();
  virtual ~DlWrapper();

  int openLibraries(const std::string& directory,
                    const std::string& pattern = "");

  bool openLibrary(const std::string& filename);

  void clear();
 
 protected:
#if defined(UNIX) || defined(CYGWIN)
  std::vector<void*> _handles;
#elif defined(WINDOWS)
  std::vector<HMODULE> _handles;
#endif
  std::vector<std::string> _filenames;
 
 private:
  DlWrapper(const DlWrapper&);
  DlWrapper& operator=(const DlWrapper&);
};
 
}  // namespace g2o
 
#endif