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