include/boost/regex/v5/regex_grep.hpp

88.5% Lines (23/26) 100.0% List of functions (10/10)
regex_grep.hpp
f(x) Functions (10)
Function Calls Lines Blocks
unsigned int boost::regex_grep<IndexClassesPred, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >(IndexClassesPred, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > const&, boost::regex_constants::_match_flags) :34 1x 46.2% 40.0% unsigned int boost::regex_grep<bool (*)(boost::match_results<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::sub_match<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > const&), __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >(bool (*)(boost::match_results<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::sub_match<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > const&), __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > const&, boost::regex_constants::_match_flags) :34 1x 46.2% 40.0% unsigned int boost::regex_grep<bool (*)(boost::match_results<char const*, std::allocator<boost::sub_match<char const*> > > const&), char const*, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >(bool (*)(boost::match_results<char const*, std::allocator<boost::sub_match<char const*> > > const&), char const*, char const*, boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > const&, boost::regex_constants::_match_flags) :34 1x 30.8% 29.0% unsigned int boost::regex_grep<boost::re_detail_600::split_pred<std::back_insert_iterator<std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, char, std::char_traits<char>, std::allocator<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >(boost::re_detail_600::split_pred<std::back_insert_iterator<std::__cxx11::list<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >, char, std::char_traits<char>, std::allocator<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > const&, boost::regex_constants::_match_flags) :34 2x 46.2% 40.0% unsigned int boost::regex_grep<boost::re_detail_600::split_pred<std::ostream_iterator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, char, std::char_traits<char> >, char, std::char_traits<char>, std::allocator<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >(boost::re_detail_600::split_pred<std::ostream_iterator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, char, std::char_traits<char> >, char, std::char_traits<char>, std::allocator<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > const&, boost::regex_constants::_match_flags) :34 99x 42.3% 33.0% unsigned int boost::regex_grep<grep_test_predicate<char, boost::c_regex_traits<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::c_regex_traits<char> >(grep_test_predicate<char, boost::c_regex_traits<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, boost::basic_regex<char, boost::c_regex_traits<char> > const&, boost::regex_constants::_match_flags) :34 23340x 84.6% 90.0% unsigned int boost::regex_grep<grep_test_predicate<char, boost::cpp_regex_traits<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::cpp_regex_traits<char> >(grep_test_predicate<char, boost::cpp_regex_traits<char> >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, boost::basic_regex<char, boost::cpp_regex_traits<char> > const&, boost::regex_constants::_match_flags) :34 23340x 84.6% 90.0% unsigned int boost::regex_grep<grep_test_predicate<wchar_t, boost::c_regex_traits<wchar_t> >, __gnu_cxx::__normal_iterator<wchar_t const*, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > >, wchar_t, boost::c_regex_traits<wchar_t> >(grep_test_predicate<wchar_t, boost::c_regex_traits<wchar_t> >, __gnu_cxx::__normal_iterator<wchar_t const*, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > >, __gnu_cxx::__normal_iterator<wchar_t const*, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > >, boost::basic_regex<wchar_t, boost::c_regex_traits<wchar_t> > const&, boost::regex_constants::_match_flags) :34 23448x 84.6% 90.0% unsigned int boost::regex_grep<grep_test_predicate<wchar_t, boost::cpp_regex_traits<wchar_t> >, __gnu_cxx::__normal_iterator<wchar_t const*, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > >, wchar_t, boost::cpp_regex_traits<wchar_t> >(grep_test_predicate<wchar_t, boost::cpp_regex_traits<wchar_t> >, __gnu_cxx::__normal_iterator<wchar_t const*, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > >, __gnu_cxx::__normal_iterator<wchar_t const*, std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > >, boost::basic_regex<wchar_t, boost::cpp_regex_traits<wchar_t> > const&, boost::regex_constants::_match_flags) :34 23448x 84.6% 90.0% unsigned int boost::regex_grep<std::binder1st<std::mem_fun1_t<bool, class_index, boost::match_results<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::sub_match<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >(std::binder1st<std::mem_fun1_t<bool, class_index, boost::match_results<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<boost::sub_match<__gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > > > > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > const&, boost::regex_constants::_match_flags) :34 1x 46.2% 40.0%
Line TLA Hits Source Code
1 /*
2 *
3 * Copyright (c) 1998-2002
4 * John Maddock
5 *
6 * Use, modification and distribution are subject to the
7 * Boost Software License, Version 1.0. (See accompanying file
8 * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9 *
10 */
11
12 /*
13 * LOCATION: see http://www.boost.org for most recent version.
14 * FILE regex_grep.hpp
15 * VERSION see <boost/version.hpp>
16 * DESCRIPTION: Provides regex_grep implementation.
17 */
18
19 #ifndef BOOST_REGEX_V5_REGEX_GREP_HPP
20 #define BOOST_REGEX_V5_REGEX_GREP_HPP
21
22 #include <boost/regex/v5/basic_regex.hpp>
23 #include <boost/regex/v5/match_flags.hpp>
24 #include <boost/regex/v5/match_results.hpp>
25 #include <boost/regex/v5/perl_matcher.hpp>
26
27 namespace boost{
28
29 //
30 // regex_grep:
31 // find all non-overlapping matches within the sequence first last:
32 //
33 BOOST_REGEX_MODULE_EXPORT template <class Predicate, class BidiIterator, class charT, class traits>
34 93681x inline unsigned int regex_grep(Predicate foo,
35 BidiIterator first,
36 BidiIterator last,
37 const basic_regex<charT, traits>& e,
38 match_flag_type flags = match_default)
39 {
40 93681x if(e.flags() & regex_constants::failbit)
41 return false;
42
43 typedef typename match_results<BidiIterator>::allocator_type match_allocator_type;
44
45 93681x match_results<BidiIterator> m;
46 93681x BOOST_REGEX_DETAIL_NS::perl_matcher<BidiIterator, match_allocator_type, traits> matcher(first, last, m, e, flags, first);
47 93681x unsigned int count = 0;
48 215815x while(BOOST_REGEX_DETAIL_NS::factory_find(matcher))
49 {
50 84183x ++count;
51 84183x if(0 == foo(m))
52 98x return count; // caller doesn't want to go on
53 84085x if(m[0].second == last)
54 55632x return count; // we've reached the end, don't try and find an extra null match.
55 28453x if(m.length() == 0)
56 {
57 4128x if(m[0].second == last)
58 return count;
59 // we found a NULL-match, now try to find
60 // a non-NULL one at the same position:
61 4128x match_results<BidiIterator, match_allocator_type> m2(m);
62 4128x matcher.setf(match_not_null | match_continuous);
63 4128x if(BOOST_REGEX_DETAIL_NS::factory_find(matcher))
64 {
65 480x ++count;
66 480x if(0 == foo(m))
67 return count;
68 }
69 else
70 {
71 // reset match back to where it was:
72 3648x m = m2;
73 }
74 4128x matcher.unsetf((match_not_null | match_continuous) & ~flags);
75 4128x }
76 }
77 37951x return count;
78 93681x }
79
80 //
81 // regex_grep convenience interfaces:
82 //
83 BOOST_REGEX_MODULE_EXPORT template <class Predicate, class charT, class traits>
84 inline unsigned int regex_grep(Predicate foo, const charT* str,
85 const basic_regex<charT, traits>& e,
86 match_flag_type flags = match_default)
87 {
88 return regex_grep(foo, str, str + traits::length(str), e, flags);
89 }
90
91 BOOST_REGEX_MODULE_EXPORT template <class Predicate, class ST, class SA, class charT, class traits>
92 inline unsigned int regex_grep(Predicate foo, const std::basic_string<charT, ST, SA>& s,
93 const basic_regex<charT, traits>& e,
94 match_flag_type flags = match_default)
95 {
96 return regex_grep(foo, s.begin(), s.end(), e, flags);
97 }
98
99 } // namespace boost
100
101 #endif // BOOST_REGEX_V5_REGEX_GREP_HPP
102
103