regex-backref-manager.hpp

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

#include "../../common.hpp"

#include <vector>

namespace ndn {

class RegexMatcher;

class RegexBackrefManager
{
public:
  RegexBackrefManager()
  {
  }

  virtual
  ~RegexBackrefManager();

  size_t
  pushRef(const shared_ptr<RegexMatcher>& matcher);

  void
  popRef();

  size_t
  size();

  const shared_ptr<RegexMatcher>&
  getBackref(size_t backrefNo);

private:
  std::vector<shared_ptr<RegexMatcher> > m_backrefs;
};


inline
RegexBackrefManager::~RegexBackrefManager()
{
  m_backrefs.clear();
}

inline size_t
RegexBackrefManager::pushRef(const shared_ptr<RegexMatcher>& matcher)
{
  size_t last = m_backrefs.size();
  m_backrefs.push_back(matcher);

  return last;
}

inline void
RegexBackrefManager::popRef()
{
  m_backrefs.pop_back();
}

inline size_t
RegexBackrefManager::size()
{
  return m_backrefs.size();
}

inline const shared_ptr<RegexMatcher>&
RegexBackrefManager::getBackref(size_t backrefNo)
{
  return m_backrefs[backrefNo];
}


} // namespace ndn

#endif // NDN_UTIL_REGEX_BACKREF_MANAGER_HPP