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      1 //
      2 // detail/scoped_ptr.hpp
      3 // ~~~~~~~~~~~~~~~~~~~~~
      4 //
      5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
      6 //
      7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
      8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
      9 //
     10 
     11 #ifndef ASIO_DETAIL_SCOPED_PTR_HPP
     12 #define ASIO_DETAIL_SCOPED_PTR_HPP
     13 
     14 
     15 #include "asio/detail/config.hpp"
     16 
     17 #include "asio/detail/push_options.hpp"
     18 
     19 namespace asio {
     20 namespace detail {
     21 
     22 template <typename T>
     23 class scoped_ptr
     24 {
     25 public:
     26   // Constructor.
     27   explicit scoped_ptr(T* p = 0)
     28     : p_(p)
     29   {
     30   }
     31 
     32   // Destructor.
     33   ~scoped_ptr()
     34   {
     35     delete p_;
     36   }
     37 
     38   // Access.
     39   T* get()
     40   {
     41     return p_;
     42   }
     43 
     44   // Access.
     45   T* operator->()
     46   {
     47     return p_;
     48   }
     49 
     50   // Dereference.
     51   T& operator*()
     52   {
     53     return *p_;
     54   }
     55 
     56   // Reset pointer.
     57   void reset(T* p = 0)
     58   {
     59     delete p_;
     60     p_ = p;
     61   }
     62 
     63 private:
     64   // Disallow copying and assignment.
     65   scoped_ptr(const scoped_ptr&);
     66   scoped_ptr& operator=(const scoped_ptr&);
     67 
     68   T* p_;
     69 };
     70 
     71 } // namespace detail
     72 } // namespace asio
     73 
     74 #include "asio/detail/pop_options.hpp"
     75 
     76 #endif // ASIO_DETAIL_SCOPED_PTR_HPP
     77