mosesdecoder/mert/ScopedVector.h

#ifndef MERT_SCOPED_VECTOR_H_
#define MERT_SCOPED_VECTOR_H_

#include <vector>

template <class T>
class ScopedVector {
 public:
  typedef typename std::vector<T*>::iterator iterator;
  typedef typename std::vector<T*>::const_iterator const_iterator;

  ScopedVector() {}
  virtual ~ScopedVector() { reset(); }

  bool empty() const { return m_vec.empty(); }

  void push_back(T *e) { m_vec.push_back(e); }

  void reset() {
    for (iterator it = m_vec.begin(); it != m_vec.end(); ++it) {
      delete *it;
    }
    m_vec.clear();
  }

  void reserve(std::size_t capacity) { m_vec.reserve(capacity); }
  void resize(std::size_t size) { m_vec.resize(size); }

  std::size_t size() const {return m_vec.size(); }

  iterator begin() { return m_vec.begin(); }
  const_iterator begin() const { return m_vec.begin(); }

  iterator end() { return m_vec.end(); }
  const_iterator end() const { return m_vec.end(); }

  std::vector<T*>& get() { return m_vec; }
  const std::vector<T*>& get() const { return m_vec; }

  std::vector<T*>* operator->() { return &m_vec; }
  const std::vector<T*>* operator->() const { return &m_vec; }

  T*& operator[](std::size_t i) { return m_vec[i]; }
  const T* operator[](std::size_t i) const { return m_vec[i]; }

 private:
  std::vector<T*> m_vec;

  // no copying allowed.
  ScopedVector<T>(const ScopedVector<T>&);
  void operator=(const ScopedVector<T>&);
};

#endif // MERT_SCOPED_VECTOR_H_