.. _program_listing_file__tmp_ws_src_osrf_testing_tools_cpp_osrf_testing_tools_cpp_include_osrf_testing_tools_cpp_demangle.hpp:

Program Listing for File demangle.hpp
=====================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_osrf_testing_tools_cpp_osrf_testing_tools_cpp_include_osrf_testing_tools_cpp_demangle.hpp>` (``/tmp/ws/src/osrf_testing_tools_cpp/osrf_testing_tools_cpp/include/osrf_testing_tools_cpp/demangle.hpp``)

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

.. code-block:: cpp

   // Copyright 2015 Open Source Robotics Foundation, 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 OSRF_TESTING_TOOLS_CPP__DEMANGLE_HPP_
   #define OSRF_TESTING_TOOLS_CPP__DEMANGLE_HPP_
   
   #ifndef _WIN32
   // Includes for abi::__cxa_demangle.
   #include <cxxabi.h>
   #include <cstdlib>
   #include <memory>
   #endif
   #include <iostream>
   #include <string>
   
   namespace osrf_testing_tools_cpp
   {
   
   std::string
   demangle_str(const std::string & mangled_typeid_name)
   {
   #if !defined(_WIN32)
     int status = 0;
     std::unique_ptr<char, void (*)(void *)> res {
       abi::__cxa_demangle(mangled_typeid_name.c_str(), NULL, NULL, &status),
       std::free
     };
   
     return (status == 0) ? res.get() : mangled_typeid_name;
   #else
     return mangled_typeid_name;
   #endif
   }
   
   template<typename T>
   std::string
   demangle(const T & instance)
   {
     (void)instance;
   // Cannot do demangling if on Windows or if we want to avoid memory allocation.
   #if !defined(_WIN32)
     std::string mangled_typeid_name = typeid(T).name();
   
     return demangle_str(mangled_typeid_name);
   #else
     return typeid(T).name();
   #endif
   }
   
   }  // namespace osrf_testing_tools_cpp
   
   #endif  // OSRF_TESTING_TOOLS_CPP__DEMANGLE_HPP_