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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (C) 2014 Named Data Networking Project
* See COPYING for copyright and distribution information.
*/
#ifndef NFD_MGMT_CONFIG_FILE_HPP
#define NFD_MGMT_CONFIG_FILE_HPP
#include "common.hpp"
#include <boost/property_tree/ptree.hpp>
namespace nfd {
typedef boost::property_tree::ptree ConfigSection;
/// \brief callback for config file sections
typedef function<void(const ConfigSection&, bool, const std::string&)> ConfigSectionHandler;
class ConfigFile : noncopyable
{
public:
class Error : public std::runtime_error
{
public:
explicit
Error(const std::string& what)
: std::runtime_error(what)
{
}
};
ConfigFile();
/// \brief setup notification of configuration file sections
void
addSectionHandler(const std::string& sectionName,
ConfigSectionHandler subscriber);
/**
* \param filename file to parse
* \param isDryRun true if performing a dry run of configuration, false otherwise
* \throws ConfigFile::Error if file not found
* \throws ConfigFile::Error if parse error
*/
void
parse(const std::string& filename, bool isDryRun);
/**
* \param input configuration (as a string) to parse
* \param isDryRun true if performing a dry run of configuration, false otherwise
* \param filename optional convenience argument to provide more detailed error messages
* \throws ConfigFile::Error if file not found
* \throws ConfigFile::Error if parse error
*/
void
parse(const std::string& input, bool isDryRun, const std::string& filename);
/**
* \param input stream to parse
* \param isDryRun true if performing a dry run of configuration, false otherwise
* \param filename optional convenience argument to provide more detailed error messages
* \throws ConfigFile::Error if parse error
*/
void
parse(std::istream& input, bool isDryRun, const std::string& filename);
private:
void
process(bool isDryRun, const std::string& filename);
private:
typedef std::map<std::string, ConfigSectionHandler> SubscriptionTable;
SubscriptionTable m_subscriptions;
ConfigSection m_global;
};
} // namespace nfd
#endif // NFD_MGMT_CONFIG_FILE_HPP