/usr/include/ignition/msgs1/ignition/msgs/Factory.hh is in libignition-msgs-dev 1.0.0+dfsg1-5.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2016 Open Source Robotics Foundation
*
* 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 IGNITION_MSGS_FACTORY_HH_
#define IGNITION_MSGS_FACTORY_HH_
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4100 4512 4127 4068 4244 4267 4251 4146)
#endif
#include <google/protobuf/message.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#include <string>
#include <map>
#include <memory>
#include <vector>
#include "ignition/msgs/Export.hh"
namespace ignition
{
namespace msgs
{
/// \def FactoryFn
/// \brief Prototype for message factory generation
typedef std::unique_ptr<google::protobuf::Message> (*FactoryFn) ();
/// \class Factory Factory.hh ignition/msgs.hh
/// \brief A factory that generates protobuf message based on a string
/// type.
class IGNITION_MSGS_VISIBLE Factory
{
/// \brief Register a message.
/// \param[in] _msgType Type of message to register.
/// \param[in] _factoryfn Function that generates the message.
public: static void Register(const std::string &_msgType,
FactoryFn _factoryfn);
/// \brief Create a new instance of a message.
/// \param[in] _msgType Type of message to create.
/// \return Pointer to a google protobuf message. Null if the message
/// type could not be handled.
public: template<typename T>
static std::unique_ptr<T> New(const std::string &_msgType)
{
return std::unique_ptr<T>(
static_cast<T*>(New(_msgType).release()));
}
/// \brief Create a new instance of a message.
/// \param[in] _msgType Type of message to create.
/// \param[in] _args Message arguments. This will populate the message.
/// \return Pointer to a google protobuf message. Null if the message
/// type could not be handled.
public: template<typename T>
static std::unique_ptr<T> New(const std::string &_msgType,
const std::string &_args)
{
return std::unique_ptr<T>(
static_cast<T*>(New(_msgType, _args).release()));
}
/// \brief Create a new instance of a message.
/// \param[in] _msgType Type of message to create.
/// \return Pointer to a google protobuf message. Null if the message
/// type could not be handled.
public: static std::unique_ptr<google::protobuf::Message> New(
const std::string &_msgType);
/// \brief Create a new instance of a message.
/// \param[in] _msgType Type of message to create.
/// \param[in] _args Message arguments. This will populate the message.
/// \return Pointer to a google protobuf message. Null if the message
/// type could not be handled.
public: static std::unique_ptr<google::protobuf::Message> New(
const std::string &_msgType, const std::string &_args);
/// \brief Get all the message types
/// \param[out] _types Vector of strings of the message types.
public: static void Types(std::vector<std::string> &_types);
/// \brief A list of registered message types
private: static std::map<std::string, FactoryFn> *msgMap;
};
/// \brief Static message registration macro
///
/// Use this macro to register messages.
/// \param[in] _msgtype Message type name.
/// \param[in] _classname Class name for message.
#define IGN_REGISTER_STATIC_MSG(_msgtype, _classname) \
IGNITION_MSGS_VISIBLE \
std::unique_ptr<google::protobuf::Message> New##_classname() \
{ \
return std::unique_ptr<ignition::msgs::_classname>(\
new ignition::msgs::_classname); \
} \
class IGNITION_MSGS_VISIBLE IgnMsg##_classname \
{ \
public: IgnMsg##_classname() \
{ \
ignition::msgs::Factory::Register(_msgtype, New##_classname);\
} \
}; \
static IgnMsg##_classname IgnitionMessagesInitializer;
}
}
#endif
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