text: /*
   * Copyright (c) 2013 - 2015, Roland Bock
   * 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, 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.
   */
  
  #ifndef SQLPP_MYSQL_BIND_RESULT_H
  #define SQLPP_MYSQL_BIND_RESULT_H
  
  #include <memory>
  #include <sqlpp11/chrono.h>
  
  namespace sqlpp
  {
    namespace mysql
    {
      namespace detail
      {
        struct prepared_statement_handle_t;
      }
  
      class bind_result_t
      {
        std::shared_ptr<detail::prepared_statement_handle_t> _handle;
        void* _result_row_address = nullptr;
  
      public:
        bind_result_t() = default;
        bind_result_t(const std::shared_ptr<detail::prepared_statement_handle_t>& handle);
        bind_result_t(const bind_result_t&) = delete;
        bind_result_t(bind_result_t&& rhs) = default;
        bind_result_t& operator=(const bind_result_t&) = delete;
        bind_result_t& operator=(bind_result_t&&) = default;
        ~bind_result_t();
  
        bool operator==(const bind_result_t& rhs) const
        {
          return _handle == rhs._handle;
        }
  
        template <typename ResultRow>
        void next(ResultRow& result_row)
        {
          if (!_handle)
          {
            result_row._invalidate();
            return;
          }
  
          if (&result_row != _result_row_address)
          {
            result_row._bind(*this);  // sets row data to mysql bind data
            bind_impl();              // binds mysql statement to data
            _result_row_address = &result_row;
          }
          if (next_impl())
          {
            if (not result_row)
            {
              result_row._validate();
            }
            result_row._post_bind(*this);  // translates bind_data to row data where required
          }
          else
          {
            if (result_row)
              result_row._invalidate();
          }
        }
  
        void _bind_boolean_result(size_t index, signed char* value, bool* is_null);
        void _bind_floating_point_result(size_t index, double* value, bool* is_null);
        void _bind_integral_result(size_t index, int64_t* value, bool* is_null);
        void _bind_unsigned_integral_result(size_t index, uint64_t* value, bool* is_null);
        void _bind_text_result(size_t index, const char** text, size_t* len);
        void _bind_blob_result(size_t index, const char** text, size_t* len);
        void _bind_date_result(size_t index, ::sqlpp::chrono::day_point* value, bool* is_null);
        void _bind_date_time_result(size_t index, ::sqlpp::chrono::microsecond_point* value, bool* is_null);
  
        void _post_bind_boolean_result(size_t /* index */, signed char* /* value */, bool* /* is_null */)
        {
        }
        void _post_bind_floating_point_result(size_t /* index */, double* /* value */, bool* /* is_null */)
        {
        }
        void _post_bind_integral_result(size_t /* index */, int64_t* /* value */, bool* /* is_null */)
        {
        }
        void _post_bind_unsigned_integral_result(size_t /* index */, uint64_t* /* value */, bool* /* is_null */)
        {
        }
        void _post_bind_text_result(size_t /* index */, const char** /* text */, size_t* /* len */)
        {
        }
        void _post_bind_date_result(size_t index, ::sqlpp::chrono::day_point* value, bool* is_null);
        void _post_bind_date_time_result(size_t index, ::sqlpp::chrono::microsecond_point* value, bool* is_null);
  
      private:
        void bind_impl();
        bool next_impl();
      };
    }
  }
  #endif
  