1 // (C) Copyright Gennadiy Rozental 2001.
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5
6 // See http://www.boost.org/libs/test for the library home page.
7 //
8 // File : $RCSfile$
9 //
10 // Version : $Revision$
11 //
12 // Description : class basic_cstring comparisons implementation
13 // ***************************************************************************
14
15 #ifndef BOOST_TEST_UTILS_BASIC_CSTRING_COMPARE_HPP
16 #define BOOST_TEST_UTILS_BASIC_CSTRING_COMPARE_HPP
17
18 // Boost.Test
19 #include <boost/test/utils/basic_cstring/basic_cstring.hpp>
20
21 // STL
22 #include <functional>
23 #include <cctype>
24
25 #include <boost/test/detail/suppress_warnings.hpp>
26
27 //____________________________________________________________________________//
28
29 # if defined(BOOST_NO_STDC_NAMESPACE) && !BOOST_WORKAROUND(BOOST_BORLANDC, <= 0x570)
30 namespace std { using ::toupper; }
31 # endif
32
33 namespace boost {
34
35 namespace unit_test {
36
37 // ************************************************************************** //
38 // ************** case_ins_compare ************** //
39 // ************************************************************************** //
40
41 namespace ut_detail {
42
43 template<class CharT>
44 struct case_ins
45 {
eqboost::unit_test::ut_detail::case_ins46 static bool eq( CharT c1, CharT c2 ) { return (std::toupper)( c1 ) == (std::toupper)( c2 ); }
ltboost::unit_test::ut_detail::case_ins47 static bool lt( CharT c1, CharT c2 ) { return (std::toupper)( c1 ) < (std::toupper)( c2 ); }
48
compareboost::unit_test::ut_detail::case_ins49 static int compare( CharT const* s1, CharT const* s2, std::size_t n )
50 {
51 for( std::size_t i = 0; i < n; ++i ) {
52 if( !eq( s1[i], s2[i] ) )
53 return lt( s1[i], s2[i] ) ? -1 : 1;
54 }
55 return 0;
56 }
57 };
58
59 } // namespace ut_detail
60
61 // ************************************************************************** //
62 // ************** case_ins_eq ************** //
63 // ************************************************************************** //
64
65 template<class CharT>
66 inline bool
case_ins_eq(basic_cstring<CharT> x,basic_cstring<CharT> y)67 case_ins_eq( basic_cstring<CharT> x, basic_cstring<CharT> y )
68 {
69 return x.size() == y.size() && ut_detail::case_ins<CharT>::compare( x.begin(), y.begin(), x.size() ) == 0;
70 }
71
72 //____________________________________________________________________________//
73
74 // ************************************************************************** //
75 // ************** case_ins_less ************** //
76 // ************************************************************************** //
77
78 template<class CharT>
79 class case_ins_less
80 {
81 public:
82 typedef bool result_type;
83 typedef basic_cstring<CharT> first_argument_type;
84 typedef basic_cstring<CharT> second_argument_type;
85
operator ()(basic_cstring<CharT> x,basic_cstring<CharT> y) const86 bool operator()( basic_cstring<CharT> x, basic_cstring<CharT> y ) const
87 {
88 return x.size() != y.size()
89 ? x.size() < y.size()
90 : ut_detail::case_ins<CharT>::compare( x.begin(), y.begin(), x.size() ) < 0;
91 }
92 };
93
94 //____________________________________________________________________________//
95
96 // ************************************************************************** //
97 // ************** operators <,> ************** //
98 // ************************************************************************** //
99
100 template<class CharT>
101 inline bool
operator <(boost::unit_test::basic_cstring<CharT> const & x,boost::unit_test::basic_cstring<CharT> const & y)102 operator <( boost::unit_test::basic_cstring<CharT> const& x,
103 boost::unit_test::basic_cstring<CharT> const& y )
104 {
105 typedef typename boost::unit_test::basic_cstring<CharT>::traits_type traits_type;
106 return x.size() != y.size()
107 ? x.size() < y.size()
108 : traits_type::compare( x.begin(), y.begin(), x.size() ) < 0;
109 }
110
111 //____________________________________________________________________________//
112
113 template<class CharT>
114 inline bool
operator <=(boost::unit_test::basic_cstring<CharT> const & x,boost::unit_test::basic_cstring<CharT> const & y)115 operator <=( boost::unit_test::basic_cstring<CharT> const& x,
116 boost::unit_test::basic_cstring<CharT> const& y )
117 {
118 return !(y < x);
119 }
120
121 //____________________________________________________________________________//
122
123 template<class CharT>
124 inline bool
operator >(boost::unit_test::basic_cstring<CharT> const & x,boost::unit_test::basic_cstring<CharT> const & y)125 operator >( boost::unit_test::basic_cstring<CharT> const& x,
126 boost::unit_test::basic_cstring<CharT> const& y )
127 {
128 return y < x;
129 }
130
131 //____________________________________________________________________________//
132
133 template<class CharT>
134 inline bool
operator >=(boost::unit_test::basic_cstring<CharT> const & x,boost::unit_test::basic_cstring<CharT> const & y)135 operator >=( boost::unit_test::basic_cstring<CharT> const& x,
136 boost::unit_test::basic_cstring<CharT> const& y )
137 {
138 return !(x < y);
139 }
140
141 //____________________________________________________________________________//
142
143 } // namespace unit_test
144
145 } // namespace boost
146
147 //____________________________________________________________________________//
148
149 #include <boost/test/detail/enable_warnings.hpp>
150
151 #endif // BOOST_TEST_BASIC_CSTRING_COMPARE_HPP_071894GER
152