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// ptr_vector.hpp
// Copyright (c) 2007-2009 Ben Hanson (http://www.benhanson.net/)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_LEXER_PTR_VECTOR_HPP
#define BOOST_LEXER_PTR_VECTOR_HPP
#include "../size_t.hpp"
#include <vector>
namespace boost
{
namespace lexer
{
namespace detail
{
template<typename Type>
class ptr_vector
{
public:
typedef std::vector<Type *> vector;
ptr_vector ()
{
}
~ptr_vector ()
{
clear ();
}
vector *operator -> ()
{
return &_vector;
}
const vector *operator -> () const
{
return &_vector;
}
vector &operator * ()
{
return _vector;
}
const vector &operator * () const
{
return _vector;
}
Type * &operator [] (const std::size_t index_)
{
return _vector[index_];
}
Type * const &operator [] (const std::size_t index_) const
{
return _vector[index_];
}
bool operator == (const ptr_vector &rhs_) const
{
bool equal_ = _vector.size () == rhs_._vector.size ();
if (equal_)
{
typename vector::const_iterator lhs_iter_ = _vector.begin ();
typename vector::const_iterator end_ = _vector.end ();
typename vector::const_iterator rhs_iter_ = rhs_._vector.begin ();
for (; equal_ && lhs_iter_ != end_; ++lhs_iter_, ++rhs_iter_)
{
equal_ = **lhs_iter_ == **rhs_iter_;
}
}
return equal_;
}
void clear ()
{
if (!_vector.empty ())
{
Type **iter_ = &_vector.front ();
Type **end_ = iter_ + _vector.size ();
for (; iter_ != end_; ++iter_)
{
delete *iter_;
}
}
_vector.clear ();
}
private:
vector _vector;
ptr_vector (const ptr_vector &); // No copy construction.
ptr_vector &operator = (const ptr_vector &); // No assignment.
};
}
}
}
#endif
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