[44] | 1 | // Boost string_algo library formatter.hpp header file ---------------------------// |
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| 2 | |
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| 3 | // Copyright Pavol Droba 2002-2003. |
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| 4 | // |
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| 5 | // Distributed under the Boost Software License, Version 1.0. |
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| 6 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 8 | |
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| 9 | // See http://www.boost.org for updates, documentation, and revision history. |
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| 10 | |
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| 11 | #ifndef BOOST_STRING_FORMATTER_DETAIL_HPP |
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| 12 | #define BOOST_STRING_FORMATTER_DETAIL_HPP |
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| 13 | |
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| 14 | |
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| 15 | #include <boost/range/iterator_range.hpp> |
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| 16 | #include <boost/range/begin.hpp> |
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| 17 | #include <boost/range/end.hpp> |
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| 18 | #include <boost/range/const_iterator.hpp> |
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| 19 | |
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| 20 | #include <boost/algorithm/string/detail/util.hpp> |
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| 21 | |
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| 22 | // generic replace functors -----------------------------------------------// |
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| 23 | |
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| 24 | namespace boost { |
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| 25 | namespace algorithm { |
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| 26 | namespace detail { |
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| 27 | |
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| 28 | // const format functor ----------------------------------------------------// |
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| 29 | |
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| 30 | // constant format functor |
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| 31 | template<typename RangeT> |
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| 32 | struct const_formatF |
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| 33 | { |
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| 34 | private: |
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| 35 | typedef BOOST_STRING_TYPENAME |
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| 36 | range_const_iterator<RangeT>::type format_iterator; |
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| 37 | typedef iterator_range<format_iterator> result_type; |
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| 38 | |
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| 39 | public: |
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| 40 | // Construction |
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| 41 | const_formatF(const RangeT& Format) : |
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| 42 | m_Format(::boost::begin(Format), ::boost::end(Format)) {} |
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| 43 | |
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| 44 | // Operation |
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| 45 | #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
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| 46 | template<typename Range2T> |
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| 47 | result_type& operator()(const Range2T&) |
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| 48 | { |
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| 49 | return m_Format; |
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| 50 | } |
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| 51 | #endif |
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| 52 | |
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| 53 | template<typename Range2T> |
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| 54 | const result_type& operator()(const Range2T&) const |
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| 55 | { |
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| 56 | return m_Format; |
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| 57 | } |
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| 58 | |
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| 59 | private: |
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| 60 | result_type m_Format; |
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| 61 | }; |
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| 62 | |
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| 63 | // identity format functor ----------------------------------------------------// |
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| 64 | |
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| 65 | // identity format functor |
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| 66 | template<typename RangeT> |
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| 67 | struct identity_formatF |
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| 68 | { |
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| 69 | // Operation |
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| 70 | template< typename Range2T > |
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| 71 | const RangeT& operator()(const Range2T& Replace) const |
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| 72 | { |
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| 73 | return RangeT(::boost::begin(Replace), ::boost::end(Replace)); |
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| 74 | } |
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| 75 | }; |
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| 76 | |
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| 77 | // empty format functor ( used by erase ) ------------------------------------// |
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| 78 | |
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| 79 | // empty format functor |
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| 80 | template< typename CharT > |
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| 81 | struct empty_formatF |
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| 82 | { |
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| 83 | template< typename ReplaceT > |
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| 84 | empty_container<CharT> operator()(const ReplaceT&) const |
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| 85 | { |
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| 86 | return empty_container<CharT>(); |
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| 87 | } |
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| 88 | }; |
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| 89 | |
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| 90 | } // namespace detail |
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| 91 | } // namespace algorithm |
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| 92 | } // namespace boost |
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| 93 | |
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| 94 | #endif // BOOST_STRING_FORMATTER_DETAIL_HPP |
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