config-file.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_CONFIG_FILE_HPP
#define NDN_CONFIG_FILE_HPP

#include <string>
#include <map>
#include <exception>

namespace ndn {

class ConfigFile {
public:
  ConfigFile();

  class Error : public std::exception {
  public:
    Error(const std::string& errorMessage) throw()
    : errorMessage_(errorMessage)
    {
    }

    virtual ~Error() throw();

    std::string
    Msg() const { return errorMessage_; }

    virtual const char*
    what() const throw() { return errorMessage_.c_str(); }

  private:
    const std::string errorMessage_;
  };

  std::string
  get(const std::string& key, const std::string& defaultValue) const
  {
    std::map<std::string, std::string>::const_iterator found = config_.find(key);
    if (found != config_.end())
      return found->second;
    else
      return defaultValue;
  }

  const std::string&
  getPath() const { return path_; }

  const std::map<std::string, std::string>&
  getParsedConfiguration() const { return config_; }

private:
  static std::string
  findConfigFile();

  void
  parse();

  std::string path_;
  std::map<std::string, std::string> config_;
};

}

#endif