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#include <config/config.hpp>
#include <logger/logger.hpp>
#include <cstring>
#include <sstream>
#include <cstdlib>
std::string Config::filename{};
std::map<std::string, std::string> Config::values{};
std::vector<t_config_changed_callback> Config::callbacks{};
std::string Config::get(const std::string& option, const std::string& def)
{
auto it = Config::values.find(option);
if (it == Config::values.end())
return def;
return it->second;
}
int Config::get_int(const std::string& option, const int& def)
{
std::string res = Config::get(option, "");
if (!res.empty())
return std::atoi(res.c_str());
else
return def;
}
void Config::set(const std::string& option, const std::string& value, bool save)
{
Config::values[option] = value;
if (save)
{
Config::save_to_file();
Config::trigger_configuration_change();
}
}
void Config::connect(t_config_changed_callback callback)
{
Config::callbacks.push_back(callback);
}
void Config::clear()
{
Config::values.clear();
}
/**
* Private methods
*/
void Config::trigger_configuration_change()
{
std::vector<t_config_changed_callback>::iterator it;
for (it = Config::callbacks.begin(); it < Config::callbacks.end(); ++it)
(*it)();
}
bool Config::read_conf(const std::string& name)
{
if (!name.empty())
Config::filename = name;
std::ifstream file(Config::filename.data());
if (!file.is_open())
{
log_error("Error while opening file ", filename, " for reading: ", strerror(errno));
return false;
}
Config::clear();
std::string line;
size_t pos;
std::string option;
std::string value;
while (file.good())
{
std::getline(file, line);
if (line == "" || line[0] == '#')
continue ;
pos = line.find('=');
if (pos == std::string::npos)
continue ;
option = line.substr(0, pos);
value = line.substr(pos+1);
Config::values[option] = value;
}
return true;
}
void Config::save_to_file()
{
std::ofstream file(Config::filename.data());
if (file.fail())
{
log_error("Could not save config file.");
return ;
}
for (const auto& it: Config::values)
file << it.first << "=" << it.second << '\n';
}
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