lseb/common/configuration.h at master · giacomini/lseb

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#ifndef COMMON_CONFIGURATION_H

#define COMMON_CONFIGURATION_H

#include <iosfwd>

#include <string>

#include <iostream>

#include <fstream>

#include <stdexcept>

#include <boost/property_tree/ptree.hpp>

#include <boost/property_tree/exceptions.hpp>

#include <boost/property_tree/json_parser.hpp>

typedef boost::property_tree::ptree Configuration;

typedef boost::property_tree::ptree_error Configuration_error;

inline Configuration read_configuration(std::istream& is) {

Configuration configuration;

read_json(is, configuration);

return configuration;

}

inline Configuration read_configuration(std::string const& file) {

std::ifstream file_is(file.c_str());

if (!file_is) {

throw std::runtime_error("Cannot open configuration file \"" + file + '"');

}

return read_configuration(file_is);

}

inline std::ostream& operator<<(

std::ostream& os,

Configuration const& configuration) {

write_json(os, configuration);

return os;

}

#endif