text: // module.hpp v1.0.1
  /*
   *  Copyright (c) 2007 Leigh Johnston.
   *
   *  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.
   *
   *     * Neither the name of Leigh Johnston nor the names of any
   *       other contributors to this software may be used to endorse or
   *       promote products derived from this software without specific prior
   *       written permission.
   *
   *  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 OWNER OR
   *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  
  #pragma once
  
  #include <neolib/neolib.hpp>
  #include <string>
  #include <memory>
  
  namespace neolib
  {
      class os_module;
  
      class NEOLIB_EXPORT module
      {
          // types
      private:
          typedef std::unique_ptr<os_module> os_module_ptr;
          // construction
      public:
          module();
          module(const module& aOther);
          module(module&& aOther);
          module(const std::string& aPath);
          ~module();
          // assignment
      public:
          module& operator=(const module& aOther);
          module& operator=(module&& aOther);
          // operations
      public:
          const std::string& path() const { return iPath; }
          bool load();
          void unload();
          bool loaded() const;
          void* procedure_address(const std::string& aProcedureName);
          template <typename FunctionType>
          FunctionType procedure(const std::string& aProcedureName)
          {
              return reinterpret_cast<FunctionType>(procedure_address(aProcedureName));
          }
          // attributes
      private:
          std::string iPath;
          os_module_ptr iOsModule;
      };
  }
  