1 | // Boost string_algo library string_funct.hpp header file ---------------------------// |
---|
2 | |
---|
3 | // Copyright Pavol Droba 2002-2003. |
---|
4 | // |
---|
5 | // Distributed under the Boost Software License, Version 1.0. |
---|
6 | // (See accompanying file LICENSE_1_0.txt or copy at |
---|
7 | // http://www.boost.org/LICENSE_1_0.txt) |
---|
8 | |
---|
9 | // See http://www.boost.org/ for updates, documentation, and revision history. |
---|
10 | |
---|
11 | #ifndef BOOST_STRING_CASE_CONV_DETAIL_HPP |
---|
12 | #define BOOST_STRING_CASE_CONV_DETAIL_HPP |
---|
13 | |
---|
14 | #include <boost/algorithm/string/config.hpp> |
---|
15 | #include <locale> |
---|
16 | #include <functional> |
---|
17 | |
---|
18 | namespace boost { |
---|
19 | namespace algorithm { |
---|
20 | namespace detail { |
---|
21 | |
---|
22 | // case conversion functors -----------------------------------------------// |
---|
23 | |
---|
24 | #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) |
---|
25 | #pragma warning(push) |
---|
26 | #pragma warning(disable:4512) //assignment operator could not be generated |
---|
27 | #endif |
---|
28 | |
---|
29 | // a tolower functor |
---|
30 | template<typename CharT> |
---|
31 | struct to_lowerF : public std::unary_function<CharT, CharT> |
---|
32 | { |
---|
33 | // Constructor |
---|
34 | to_lowerF( const std::locale& Loc ) : m_Loc( &Loc ) {} |
---|
35 | |
---|
36 | // Operation |
---|
37 | CharT operator ()( CharT Ch ) const |
---|
38 | { |
---|
39 | #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) |
---|
40 | return std::tolower( Ch); |
---|
41 | #else |
---|
42 | return std::tolower<CharT>( Ch, *m_Loc ); |
---|
43 | #endif |
---|
44 | } |
---|
45 | private: |
---|
46 | const std::locale* m_Loc; |
---|
47 | }; |
---|
48 | |
---|
49 | // a toupper functor |
---|
50 | template<typename CharT> |
---|
51 | struct to_upperF : public std::unary_function<CharT, CharT> |
---|
52 | { |
---|
53 | // Constructor |
---|
54 | to_upperF( const std::locale& Loc ) : m_Loc( &Loc ) {} |
---|
55 | |
---|
56 | // Operation |
---|
57 | CharT operator ()( CharT Ch ) const |
---|
58 | { |
---|
59 | #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL) |
---|
60 | return std::toupper( Ch); |
---|
61 | #else |
---|
62 | return std::toupper<CharT>( Ch, *m_Loc ); |
---|
63 | #endif |
---|
64 | } |
---|
65 | private: |
---|
66 | const std::locale* m_Loc; |
---|
67 | }; |
---|
68 | |
---|
69 | #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) |
---|
70 | #pragma warning(pop) |
---|
71 | #endif |
---|
72 | |
---|
73 | // algorithm implementation ------------------------------------------------------------------------- |
---|
74 | |
---|
75 | // Transform a range |
---|
76 | template<typename OutputIteratorT, typename RangeT, typename FunctorT> |
---|
77 | OutputIteratorT transform_range_copy( |
---|
78 | OutputIteratorT Output, |
---|
79 | const RangeT& Input, |
---|
80 | FunctorT Functor) |
---|
81 | { |
---|
82 | return std::transform( |
---|
83 | ::boost::begin(Input), |
---|
84 | ::boost::end(Input), |
---|
85 | Output, |
---|
86 | Functor); |
---|
87 | } |
---|
88 | |
---|
89 | // Transform a range (in-place) |
---|
90 | template<typename RangeT, typename FunctorT> |
---|
91 | void transform_range( |
---|
92 | const RangeT& Input, |
---|
93 | FunctorT Functor) |
---|
94 | { |
---|
95 | std::transform( |
---|
96 | ::boost::begin(Input), |
---|
97 | ::boost::end(Input), |
---|
98 | ::boost::begin(Input), |
---|
99 | Functor); |
---|
100 | } |
---|
101 | |
---|
102 | template<typename SequenceT, typename RangeT, typename FunctorT> |
---|
103 | inline SequenceT transform_range_copy( |
---|
104 | const RangeT& Input, |
---|
105 | FunctorT Functor) |
---|
106 | { |
---|
107 | return SequenceT( |
---|
108 | ::boost::make_transform_iterator( |
---|
109 | ::boost::begin(Input), |
---|
110 | Functor), |
---|
111 | ::boost::make_transform_iterator( |
---|
112 | ::boost::end(Input), |
---|
113 | Functor)); |
---|
114 | } |
---|
115 | |
---|
116 | } // namespace detail |
---|
117 | } // namespace algorithm |
---|
118 | } // namespace boost |
---|
119 | |
---|
120 | |
---|
121 | #endif // BOOST_STRING_CASE_CONV_DETAIL_HPP |
---|