.. _program_listing_file_include_rmw_subscription_content_filter_options.h:

Program Listing for File subscription_content_filter_options.h
==============================================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rmw_subscription_content_filter_options.h>` (``include/rmw/subscription_content_filter_options.h``)

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

.. code-block:: cpp

   // Copyright 2021 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 RMW__SUBSCRIPTION_CONTENT_FILTER_OPTIONS_H_
   #define RMW__SUBSCRIPTION_CONTENT_FILTER_OPTIONS_H_
   
   #ifdef __cplusplus
   extern "C"
   {
   #endif
   
   #include "rcutils/allocator.h"
   #include "rcutils/types.h"
   
   #include "rmw/macros.h"
   #include "rmw/ret_types.h"
   #include "rmw/visibility_control.h"
   
   typedef struct RMW_PUBLIC_TYPE rmw_subscription_content_filter_options_s
   {
     char * filter_expression;
     rcutils_string_array_t expression_parameters;
   } rmw_subscription_content_filter_options_t;
   
   
   RMW_PUBLIC
   rmw_subscription_content_filter_options_t
   rmw_get_zero_initialized_content_filter_options();
   
   
   
   RMW_PUBLIC
   rmw_ret_t
   rmw_subscription_content_filter_options_init(
     const char * filter_expression,
     size_t expression_parameters_argc,
     const char * expression_parameter_argv[],
     const rcutils_allocator_t * allocator,
     rmw_subscription_content_filter_options_t * options);
   
   
   RMW_PUBLIC
   rmw_ret_t
   rmw_subscription_content_filter_options_set(
     const char * filter_expression,
     size_t expression_parameters_argc,
     const char * expression_parameter_argv[],
     const rcutils_allocator_t * allocator,
     rmw_subscription_content_filter_options_t * options);
   
   
   RMW_PUBLIC
   rmw_ret_t
   rmw_subscription_content_filter_options_copy(
     const rmw_subscription_content_filter_options_t * src,
     const rcutils_allocator_t * allocator,
     rmw_subscription_content_filter_options_t * dst);
   
   
   
   RMW_PUBLIC
   rmw_ret_t
   rmw_subscription_content_filter_options_fini(
     rmw_subscription_content_filter_options_t * options,
     const rcutils_allocator_t * allocator);
   
   #ifdef __cplusplus
   }
   #endif
   
   #endif  // RMW__SUBSCRIPTION_CONTENT_FILTER_OPTIONS_H_