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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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