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1 // Copyright (c) 2001-2011 Hartmut Kaiser
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2 //
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3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
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4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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5
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6 #if !defined(BOOST_SPIRIT_ISTREAM_ITERATOR_JAN_03_2010_0522PM)
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7 #define BOOST_SPIRIT_ISTREAM_ITERATOR_JAN_03_2010_0522PM
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8
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9 #include <boost/spirit/home/support/iterators/detail/ref_counted_policy.hpp>
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10 #if defined(BOOST_SPIRIT_DEBUG)
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11 #include <boost/spirit/home/support/iterators/detail/buf_id_check_policy.hpp>
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12 #else
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13 #include <boost/spirit/home/support/iterators/detail/no_check_policy.hpp>
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14 #endif
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15 #include <boost/spirit/home/support/iterators/detail/istream_policy.hpp>
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16 #include <boost/spirit/home/support/iterators/detail/split_std_deque_policy.hpp>
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17 #include <boost/spirit/home/support/iterators/detail/combine_policies.hpp>
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18 #include <boost/spirit/home/support/iterators/multi_pass.hpp>
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19
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20 namespace boost { namespace spirit
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21 {
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22 ///////////////////////////////////////////////////////////////////////////
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23 template <typename Elem, typename Traits = std::char_traits<Elem> >
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24 class basic_istream_iterator :
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25 public multi_pass<
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26 std::basic_istream<Elem, Traits>
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27 , iterator_policies::default_policy<
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28 iterator_policies::ref_counted
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29 #if defined(BOOST_SPIRIT_DEBUG)
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30 , iterator_policies::buf_id_check
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31 #else
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32 , iterator_policies::no_check
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33 #endif
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34 , iterator_policies::istream
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35 , iterator_policies::split_std_deque>
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36 >
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37 {
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38 private:
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39 typedef multi_pass<
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40 std::basic_istream<Elem, Traits>
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41 , iterator_policies::default_policy<
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42 iterator_policies::ref_counted
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43 #if defined(BOOST_SPIRIT_DEBUG)
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44 , iterator_policies::buf_id_check
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45 #else
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46 , iterator_policies::no_check
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47 #endif
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48 , iterator_policies::istream
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49 , iterator_policies::split_std_deque>
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50 > base_type;
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51
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52 public:
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53 basic_istream_iterator()
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54 : base_type() {}
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55
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56 explicit basic_istream_iterator(std::basic_istream<Elem, Traits>& x)
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57 : base_type(x) {}
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58
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59 basic_istream_iterator(basic_istream_iterator const& x)
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60 : base_type(x) {}
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61
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62 #if BOOST_WORKAROUND(__GLIBCPP__, == 20020514)
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63 basic_istream_iterator(int) // workaround for a bug in the library
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64 : base_type() {} // shipped with gcc 3.1
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65 #endif // BOOST_WORKAROUND(__GLIBCPP__, == 20020514)
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66
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67 basic_istream_iterator operator= (base_type const& rhs)
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68 {
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69 this->base_type::operator=(rhs);
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70 return *this;
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71 }
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72
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73 // default generated operators, destructor and assignment operator are ok.
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74 };
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75
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76 typedef basic_istream_iterator<char> istream_iterator;
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77
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78 }}
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79
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80 #endif
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