source: NonGTP/Boost/boost/regex/v4/regex_search.hpp @ 857

Revision 857, 6.9 KB checked in by igarcia, 19 years ago (diff)
Line 
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_search.hpp
15  *   VERSION      see <boost/version.hpp>
16  *   DESCRIPTION: Provides regex_search implementation.
17  */
18
19#ifndef BOOST_REGEX_V4_REGEX_SEARCH_HPP
20#define BOOST_REGEX_V4_REGEX_SEARCH_HPP
21
22
23namespace boost{
24
25#ifdef BOOST_HAS_ABI_HEADERS
26#  include BOOST_ABI_PREFIX
27#endif
28
29template <class BidiIterator, class Allocator, class charT, class traits>
30bool regex_search(BidiIterator first, BidiIterator last,
31                  match_results<BidiIterator, Allocator>& m,
32                  const basic_regex<charT, traits>& e,
33                  match_flag_type flags = match_default)
34{
35   return regex_search(first, last, m, e, flags, first);
36}
37
38template <class BidiIterator, class Allocator, class charT, class traits>
39bool regex_search(BidiIterator first, BidiIterator last,
40                  match_results<BidiIterator, Allocator>& m,
41                  const basic_regex<charT, traits>& e,
42                  match_flag_type flags,
43                  BidiIterator base)
44{
45   if(e.flags() & regex_constants::failbit)
46      return false;
47
48   re_detail::perl_matcher<BidiIterator, Allocator, traits> matcher(first, last, m, e, flags, base);
49   return matcher.find();
50}
51
52//
53// regex_search convenience interfaces:
54#ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
55//
56// this isn't really a partial specialisation, but template function
57// overloading - if the compiler doesn't support partial specialisation
58// then it really won't support this either:
59template <class charT, class Allocator, class traits>
60inline bool regex_search(const charT* str,
61                        match_results<const charT*, Allocator>& m,
62                        const basic_regex<charT, traits>& e,
63                        match_flag_type flags = match_default)
64{
65   return regex_search(str, str + traits::length(str), m, e, flags);
66}
67
68template <class ST, class SA, class Allocator, class charT, class traits>
69inline bool regex_search(const std::basic_string<charT, ST, SA>& s,
70                 match_results<typename std::basic_string<charT, ST, SA>::const_iterator, Allocator>& m,
71                 const basic_regex<charT, traits>& e,
72                 match_flag_type flags = match_default)
73{
74   return regex_search(s.begin(), s.end(), m, e, flags);
75}
76#else  // partial overloads:
77inline bool regex_search(const char* str,
78                        cmatch& m,
79                        const regex& e,
80                        match_flag_type flags = match_default)
81{
82   return regex_search(str, str + regex::traits_type::length(str), m, e, flags);
83}
84inline bool regex_search(const char* first, const char* last,
85                  const regex& e,
86                  match_flag_type flags = match_default)
87{
88   cmatch m;
89   return regex_search(first, last, m, e, flags | regex_constants::match_any);
90}
91
92#ifndef BOOST_NO_WREGEX
93inline bool regex_search(const wchar_t* str,
94                        wcmatch& m,
95                        const wregex& e,
96                        match_flag_type flags = match_default)
97{
98   return regex_search(str, str + wregex::traits_type::length(str), m, e, flags);
99}
100inline bool regex_search(const wchar_t* first, const wchar_t* last,
101                  const wregex& e,
102                  match_flag_type flags = match_default)
103{
104   wcmatch m;
105   return regex_search(first, last, m, e, flags | regex_constants::match_any);
106}
107#endif
108inline bool regex_search(const std::string& s,
109                        smatch& m,
110                        const regex& e,
111                        match_flag_type flags = match_default)
112{
113   return regex_search(s.begin(), s.end(), m, e, flags);
114}
115#if !defined(BOOST_NO_WREGEX)
116inline bool regex_search(const std::basic_string<wchar_t>& s,
117                        wsmatch& m,
118                        const wregex& e,
119                        match_flag_type flags = match_default)
120{
121   return regex_search(s.begin(), s.end(), m, e, flags);
122}
123#endif
124
125#endif
126
127template <class BidiIterator, class charT, class traits>
128bool regex_search(BidiIterator first, BidiIterator last,
129                  const basic_regex<charT, traits>& e,
130                  match_flag_type flags = match_default)
131{
132   if(e.flags() & regex_constants::failbit)
133      return false;
134
135   match_results<BidiIterator> m;
136   typedef typename match_results<BidiIterator>::allocator_type match_alloc_type;
137   re_detail::perl_matcher<BidiIterator, match_alloc_type, traits> matcher(first, last, m, e, flags | regex_constants::match_any, first);
138   return matcher.find();
139}
140
141#ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
142
143template <class charT, class traits>
144inline bool regex_search(const charT* str,
145                        const basic_regex<charT, traits>& e,
146                        match_flag_type flags = match_default)
147{
148   return regex_search(str, str + traits::length(str), e, flags);
149}
150
151template <class ST, class SA, class charT, class traits>
152inline bool regex_search(const std::basic_string<charT, ST, SA>& s,
153                 const basic_regex<charT, traits>& e,
154                 match_flag_type flags = match_default)
155{
156   return regex_search(s.begin(), s.end(), e, flags);
157}
158#else  // non-template function overloads
159inline bool regex_search(const char* str,
160                        const regex& e,
161                        match_flag_type flags = match_default)
162{
163   cmatch m;
164   return regex_search(str, str + regex::traits_type::length(str), m, e, flags | regex_constants::match_any);
165}
166#ifndef BOOST_NO_WREGEX
167inline bool regex_search(const wchar_t* str,
168                        const wregex& e,
169                        match_flag_type flags = match_default)
170{
171   wcmatch m;
172   return regex_search(str, str + wregex::traits_type::length(str), m, e, flags | regex_constants::match_any);
173}
174#endif
175inline bool regex_search(const std::string& s,
176                        const regex& e,
177                        match_flag_type flags = match_default)
178{
179   smatch m;
180   return regex_search(s.begin(), s.end(), m, e, flags | regex_constants::match_any);
181}
182#if !defined(BOOST_NO_WREGEX)
183inline bool regex_search(const std::basic_string<wchar_t>& s,
184                        const wregex& e,
185                        match_flag_type flags = match_default)
186{
187   wsmatch m;
188   return regex_search(s.begin(), s.end(), m, e, flags | regex_constants::match_any);
189}
190
191#endif // BOOST_NO_WREGEX
192
193#endif // partial overload
194
195#ifdef BOOST_HAS_ABI_HEADERS
196#  include BOOST_ABI_SUFFIX
197#endif
198
199} // namespace boost
200
201#endif  // BOOST_REGEX_V4_REGEX_SEARCH_HPP
202
203
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