1// ptr_vector.hpp
2// Copyright (c) 2007-2009 Ben Hanson (http://www.benhanson.net/)
3//
4// Distributed under the Boost Software License, Version 1.0. (See accompanying
5// file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6#ifndef BOOST_SPIRIT_SUPPORT_DETAIL_LEXER_CONTAINERS_PTR_VECTOR_HPP
7#define BOOST_SPIRIT_SUPPORT_DETAIL_LEXER_CONTAINERS_PTR_VECTOR_HPP
8
9#include "../size_t.hpp"
10#include <vector>
11
12namespace boost
13{
14namespace lexer
15{
16namespace detail
17{
18template<typename Type>
19class ptr_vector
20{
21public:
22 typedef std::vector<Type *> vector;
23
24 ptr_vector ()
25 {
26 }
27
28 ~ptr_vector ()
29 {
30 clear ();
31 }
32
33 vector *operator -> ()
34 {
35 return &_vector;
36 }
37
38 const vector *operator -> () const
39 {
40 return &_vector;
41 }
42
43 vector &operator * ()
44 {
45 return _vector;
46 }
47
48 const vector &operator * () const
49 {
50 return _vector;
51 }
52
53 Type * &operator [] (const std::size_t index_)
54 {
55 return _vector[index_];
56 }
57
58 Type * const &operator [] (const std::size_t index_) const
59 {
60 return _vector[index_];
61 }
62
63 bool operator == (const ptr_vector &rhs_) const
64 {
65 bool equal_ = _vector.size () == rhs_._vector.size ();
66
67 if (equal_)
68 {
69 typename vector::const_iterator lhs_iter_ = _vector.begin ();
70 typename vector::const_iterator end_ = _vector.end ();
71 typename vector::const_iterator rhs_iter_ = rhs_._vector.begin ();
72
73 for (; equal_ && lhs_iter_ != end_; ++lhs_iter_, ++rhs_iter_)
74 {
75 equal_ = **lhs_iter_ == **rhs_iter_;
76 }
77 }
78
79 return equal_;
80 }
81
82 void clear ()
83 {
84 if (!_vector.empty ())
85 {
86 Type **iter_ = &_vector.front ();
87 Type **end_ = iter_ + _vector.size ();
88
89 for (; iter_ != end_; ++iter_)
90 {
91 delete *iter_;
92 }
93 }
94
95 _vector.clear ();
96 }
97
98private:
99 vector _vector;
100
101 ptr_vector (const ptr_vector &); // No copy construction.
102 ptr_vector &operator = (const ptr_vector &); // No assignment.
103};
104}
105}
106}
107
108#endif
109

source code of boost/libs/spirit/include/boost/spirit/home/support/detail/lexer/containers/ptr_vector.hpp