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/*
* Copyright (C) 2015, 2016 ,2017 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
*
* 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.
*/
#include "config-parser.hpp"
#include "../low-can-binding.hpp"
namespace utils
{
/// @brief constructor using a POSIX file handle as input.
///
/// @param conf_file - a POSIX file handle to the INI configuration file
config_parser_t::config_parser_t(int conf_file)
: config_content_(fdopen(conf_file, "r"))
{
::close(conf_file);
}
/// @brief constructor using path to file
config_parser_t::config_parser_t(std::string conf_file)
: config_content_{INIReader(conf_file)}
{}
/// @brief read the conf_file_ and parse it into an INIReader object
/// to search into later.
bool config_parser_t::check_conf()
{
if (config_content_.ParseError() < 0)
{
ERROR(binder_interface, "read_conf: Can't load the INI config file.");
return false;
}
DEBUG(binder_interface, "read_conf: Configuration file parsed");
return true;
}
/// @brief Public method to access devices_name_ vector. If vector size equal 0
/// then it will parses the configuration file content to fill it. It could be empty even
/// after parsing if content file just don't have a correct "canbus" directive so you
/// have to test the returned value.
///
/// @return A const vector with string of linux CAN devices.
const std::vector<std::string> config_parser_t::get_devices_name()
{
std::vector<std::string> devices_name;
std::set<std::string> sections = config_content_.GetSections();
for(const auto& sectionsIt : sections)
{
if(sectionsIt == "CANbus-mapping")
{
std::set<std::string> fields = config_content_.GetFields(sectionsIt);
for(const auto& fieldsIt : fields)
{
std::string val = config_content_.Get(sectionsIt, fieldsIt, "INVALID");
devices_name.push_back(val);
}
}
}
return devices_name;
}
}
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