Program Listing for File message_type_support_struct.h
↰ Return to documentation for file (include/rosidl_runtime_c/message_type_support_struct.h
)
// Copyright 2015-2016 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 ROSIDL_RUNTIME_C__MESSAGE_TYPE_SUPPORT_STRUCT_H_
#define ROSIDL_RUNTIME_C__MESSAGE_TYPE_SUPPORT_STRUCT_H_
#include "rosidl_runtime_c/type_description/type_description__struct.h"
#include "rosidl_runtime_c/type_description/type_source__struct.h"
#include "rosidl_runtime_c/type_hash.h"
#include "rosidl_runtime_c/visibility_control.h"
#include "rosidl_typesupport_interface/macros.h"
#ifdef __cplusplus
extern "C"
{
#endif
typedef struct rosidl_message_type_support_t rosidl_message_type_support_t;
typedef const rosidl_message_type_support_t * (* rosidl_message_typesupport_handle_function)(
const rosidl_message_type_support_t *, const char *);
typedef const rosidl_type_hash_t *
(* rosidl_message_get_type_hash_function)(const rosidl_message_type_support_t *);
typedef const rosidl_runtime_c__type_description__TypeDescription *
(* rosidl_message_get_type_description_function)(const rosidl_message_type_support_t *);
typedef const rosidl_runtime_c__type_description__TypeSource__Sequence *
(* rosidl_message_get_type_description_sources_function)(const rosidl_message_type_support_t *);
struct rosidl_message_type_support_t
{
const char * typesupport_identifier;
const void * data;
rosidl_message_typesupport_handle_function func;
rosidl_message_get_type_hash_function get_type_hash_func;
rosidl_message_get_type_description_function get_type_description_func;
rosidl_message_get_type_description_sources_function get_type_description_sources_func;
};
ROSIDL_GENERATOR_C_PUBLIC
rosidl_message_type_support_t rosidl_get_zero_initialized_message_type_support_handle(void);
ROSIDL_GENERATOR_C_PUBLIC
const rosidl_message_type_support_t * get_message_typesupport_handle(
const rosidl_message_type_support_t * handle, const char * identifier);
// Get the message type support handle function specific to this identifier.
ROSIDL_GENERATOR_C_PUBLIC
const rosidl_message_type_support_t * get_message_typesupport_handle_function(
const rosidl_message_type_support_t * handle, const char * identifier);
/*
* \param PkgName Name of the package that contains the message
* \param MsgSubfolder name of the subfolder (for example: msg)
* \param MsgName message name
* \return a rosidl_message_type_support_t struct if founded, otherwise NULL.
*/
#define ROSIDL_GET_MSG_TYPE_SUPPORT(PkgName, MsgSubfolder, MsgName) \
ROSIDL_TYPESUPPORT_INTERFACE__MESSAGE_SYMBOL_NAME( \
rosidl_typesupport_c, PkgName, MsgSubfolder, MsgName)()
#ifdef __cplusplus
}
#endif
#endif // ROSIDL_RUNTIME_C__MESSAGE_TYPE_SUPPORT_STRUCT_H_