1// Copyright (c) 2001-2011 Hartmut Kaiser
2//
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6#if !defined(BOOST_SPIRIT_ISTREAM_ITERATOR_JAN_03_2010_0522PM)
7#define BOOST_SPIRIT_ISTREAM_ITERATOR_JAN_03_2010_0522PM
8
9#include <boost/spirit/home/support/iterators/detail/ref_counted_policy.hpp>
10#if defined(BOOST_SPIRIT_DEBUG)
11#include <boost/spirit/home/support/iterators/detail/buf_id_check_policy.hpp>
12#else
13#include <boost/spirit/home/support/iterators/detail/no_check_policy.hpp>
14#endif
15#include <boost/spirit/home/support/iterators/detail/istream_policy.hpp>
16#include <boost/spirit/home/support/iterators/detail/split_std_deque_policy.hpp>
17#include <boost/spirit/home/support/iterators/detail/combine_policies.hpp>
18#include <boost/spirit/home/support/iterators/multi_pass.hpp>
19
20namespace boost { namespace spirit
21{
22 ///////////////////////////////////////////////////////////////////////////
23 template <typename Elem, typename Traits = std::char_traits<Elem> >
24 class basic_istream_iterator :
25 public multi_pass<
26 std::basic_istream<Elem, Traits>
27 , iterator_policies::default_policy<
28 iterator_policies::ref_counted
29#if defined(BOOST_SPIRIT_DEBUG)
30 , iterator_policies::buf_id_check
31#else
32 , iterator_policies::no_check
33#endif
34 , iterator_policies::istream
35 , iterator_policies::split_std_deque>
36 >
37 {
38 private:
39 typedef multi_pass<
40 std::basic_istream<Elem, Traits>
41 , iterator_policies::default_policy<
42 iterator_policies::ref_counted
43#if defined(BOOST_SPIRIT_DEBUG)
44 , iterator_policies::buf_id_check
45#else
46 , iterator_policies::no_check
47#endif
48 , iterator_policies::istream
49 , iterator_policies::split_std_deque>
50 > base_type;
51
52 public:
53 basic_istream_iterator()
54 : base_type() {}
55
56 explicit basic_istream_iterator(std::basic_istream<Elem, Traits>& x)
57 : base_type(x) {}
58
59#if BOOST_WORKAROUND(__GLIBCPP__, == 20020514)
60 basic_istream_iterator(int) // workaround for a bug in the library
61 : base_type() {} // shipped with gcc 3.1
62#endif // BOOST_WORKAROUND(__GLIBCPP__, == 20020514)
63
64 basic_istream_iterator operator= (base_type const& rhs)
65 {
66 this->base_type::operator=(rhs);
67 return *this;
68 }
69
70 // default generated operators, destructor and assignment operator are ok.
71 };
72
73 typedef basic_istream_iterator<char> istream_iterator;
74
75}}
76
77#endif
78