.. _program_listing_file_include_rclcpp_typesupport_helpers.hpp:

Program Listing for File typesupport_helpers.hpp
================================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rclcpp_typesupport_helpers.hpp>` (``include/rclcpp/typesupport_helpers.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2018, Bosch Software Innovations GmbH.
   // Copyright 2021, Apex.AI Inc.
   //
   // 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.apache.org/licenses/LICENSE-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 RCLCPP__TYPESUPPORT_HELPERS_HPP_
   #define RCLCPP__TYPESUPPORT_HELPERS_HPP_
   
   #include <memory>
   #include <string>
   #include <tuple>
   
   #include "rcpputils/shared_library.hpp"
   #include "rosidl_runtime_cpp/message_type_support_decl.hpp"
   #include "rosidl_runtime_cpp/service_type_support_decl.hpp"
   
   #include "rclcpp/visibility_control.hpp"
   
   namespace rclcpp
   {
   
   RCLCPP_PUBLIC
   std::shared_ptr<rcpputils::SharedLibrary>
   get_typesupport_library(const std::string & type, const std::string & typesupport_identifier);
   
   
   [[deprecated("Use `get_message_typesupport_handle` instead")]]
   RCLCPP_PUBLIC
   const rosidl_message_type_support_t *
   get_typesupport_handle(
     const std::string & type,
     const std::string & typesupport_identifier,
     rcpputils::SharedLibrary & library);
   
   
   RCLCPP_PUBLIC
   const rosidl_message_type_support_t *
   get_message_typesupport_handle(
     const std::string & type,
     const std::string & typesupport_identifier,
     rcpputils::SharedLibrary & library);
   
   
   RCLCPP_PUBLIC
   const rosidl_service_type_support_t *
   get_service_typesupport_handle(
     const std::string & type,
     const std::string & typesupport_identifier,
     rcpputils::SharedLibrary & library);
   
   }  // namespace rclcpp
   
   #endif  // RCLCPP__TYPESUPPORT_HELPERS_HPP_