.. _program_listing_file_include_rmw_fastrtps_shared_cpp_names.hpp:

Program Listing for File names.hpp
==================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rmw_fastrtps_shared_cpp_names.hpp>` (``include/rmw_fastrtps_shared_cpp/names.hpp``)

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

.. code-block:: cpp

   // Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   //
   // 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 RMW_FASTRTPS_SHARED_CPP__NAMES_HPP_
   #define RMW_FASTRTPS_SHARED_CPP__NAMES_HPP_
   
   #include <string>
   
   #include "fastrtps/utils/fixed_size_string.hpp"
   #include "rmw/types.h"
   #include "namespace_prefix.hpp"
   
   
   inline
   eprosima::fastrtps::string_255
   _mangle_topic_name(
     const char * prefix,
     const char * base,
     const char * suffix = nullptr)
   {
     std::ostringstream topicName;
     if (prefix) {
       topicName << prefix;
     }
     topicName << base;
     if (suffix) {
       topicName << suffix;
     }
     return topicName.str();
   }
   
   
   inline
   eprosima::fastrtps::string_255
   _create_topic_name(
     const rmw_qos_profile_t * qos_profile,
     const char * prefix,
     const char * base,
     const char * suffix = nullptr)
   {
     assert(qos_profile);
     assert(base);
     if (qos_profile->avoid_ros_namespace_conventions) {
       prefix = nullptr;
     }
     return _mangle_topic_name(prefix, base, suffix);
   }
   
   #endif  // RMW_FASTRTPS_SHARED_CPP__NAMES_HPP_