make_smart_ptr.h

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  /* Copyright 2016, 2017 Savarese Software Research Corporation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.savarese.com/software/ApacheLicense-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef __SSRC_WISP_UTILITY_MAKE_SMART_PTR_H
  #define __SSRC_WISP_UTILITY_MAKE_SMART_PTR_H
  
  #include <ssrc/wisp-packages.h>
  
  #include <memory>
  
  __BEGIN_NS_SSRC_WISP_UTILITY
  
  template<typename T, typename P>
  struct smart_ptr_factory { };
  
  template<typename T>
  struct smart_ptr_factory<T, std::shared_ptr<T> > {
   template<typename... Args>
   inline static std::shared_ptr<T> make(Args && ...args) {
   return std::make_shared<T>(std::forward<Args>(args)...);
   }
  };
  
  template<typename T>
  struct smart_ptr_factory<T, std::unique_ptr<T> > {
   template<typename... Args>
   inline static std::unique_ptr<T> make(Args && ...args) {
   return std::make_unique<T>(std::forward<Args>(args)...);
   }
  };
  
  template<typename SmartPtr, typename... Args>
  inline SmartPtr make_smart_ptr(Args && ...args) {
   return smart_ptr_factory<typename SmartPtr::element_type, SmartPtr>::make(std::forward<Args>(args)...);
  }
  
  __END_NS_SSRC_WISP_UTILITY
  
  #endif