#pragma once

#include <boost/variant/static_visitor.hpp>

#include "has_token.hpp"
#include "mstch/mstch.hpp"

namespace mstch
{

class get_token : public boost::static_visitor<const mstch::node &>
{
public:
  get_token(const std::string &token, const mstch::node &node) : m_token(token), m_node(node) {}

  template <class T> const mstch::node &operator()(const T &) const { return m_node; }

  const mstch::node &operator()(const map &map) const { return map.at(m_token); }

  const mstch::node &operator()(const std::shared_ptr<object> &object) const { return object->at(m_token); }

private:
  const std::string &m_token;
  const mstch::node &m_node;
};
}