1 ////////////////////////////////////////////////////////////////////////////////
3 // Copyright 2006 - 2017, Paul Beckingham, Federico Hernandez.
5 // Permission is hereby granted, free of charge, to any person obtaining a copy
6 // of this software and associated documentation files (the "Software"), to deal
7 // in the Software without restriction, including without limitation the rights
8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // copies of the Software, and to permit persons to whom the Software is
10 // furnished to do so, subject to the following conditions:
12 // The above copyright notice and this permission notice shall be included
13 // in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 // http://www.opensource.org/licenses/mit-license.php
25 ////////////////////////////////////////////////////////////////////////////////
32 ////////////////////////////////////////////////////////////////////////////////
37 ////////////////////////////////////////////////////////////////////////////////
39 const std::string& pattern,
40 bool case_sensitive /* = true */)
43 , _case_sensitive (case_sensitive)
48 ////////////////////////////////////////////////////////////////////////////////
49 RX::RX (const RX& other)
52 _pattern = other._pattern;
53 _case_sensitive = other._case_sensitive;
56 ////////////////////////////////////////////////////////////////////////////////
63 ////////////////////////////////////////////////////////////////////////////////
64 RX& RX::operator= (const RX& other)
67 _pattern = other._pattern;
68 _case_sensitive = other._case_sensitive;
73 ////////////////////////////////////////////////////////////////////////////////
78 memset (&_regex, 0, sizeof (regex_t));
81 if ((result = regcomp (&_regex, _pattern.c_str (),
82 #if defined REG_ENHANCED
83 REG_ENHANCED | REG_EXTENDED | REG_NEWLINE |
85 REG_EXTENDED | REG_NEWLINE |
87 (_case_sensitive ? 0 : REG_ICASE))) != 0)
90 regerror (result, &_regex, message, 256);
91 throw std::string (message);
98 ////////////////////////////////////////////////////////////////////////////////
99 bool RX::match (const std::string& in)
104 return regexec (&_regex, in.c_str (), 0, nullptr, 0) == 0 ? true : false;
107 ////////////////////////////////////////////////////////////////////////////////
109 std::vector<std::string>& matches,
110 const std::string& in)
117 int length = in.length ();
118 while (regexec (&_regex, in.c_str () + offset, 2, &rm[0], 0) == 0 &&
121 matches.push_back (in.substr (rm[0].rm_so + offset, rm[0].rm_eo - rm[0].rm_so));
122 offset += rm[0].rm_eo;
124 // Protection against zero-width patterns causing infinite loops.
125 if (rm[0].rm_so == rm[0].rm_eo)
129 return matches.size () ? true : false;
132 ////////////////////////////////////////////////////////////////////////////////
134 std::vector <int>& start,
135 std::vector <int>& end,
136 const std::string& in)
143 int length = in.length ();
144 while (regexec (&_regex, in.c_str () + offset, 2, &rm[0], 0) == 0 &&
147 start.push_back (rm[0].rm_so + offset);
148 end.push_back (rm[0].rm_eo + offset);
149 offset += rm[0].rm_eo;
151 // Protection against zero-width patterns causing infinite loops.
152 if (rm[0].rm_so == rm[0].rm_eo)
156 return start.size () ? true : false;
159 ////////////////////////////////////////////////////////////////////////////////