split.h
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1 /*
2  * Copyright (C) 2010 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
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11  * instantiate templates or use macros or inline functions from this
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13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
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17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
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27  */
28 
29 #ifndef CXXTOOLS_SPLIT_H
30 #define CXXTOOLS_SPLIT_H
31 
32 #include <string>
33 #include <cxxtools/regex.h>
34 
35 namespace cxxtools
36 {
59  template <typename outputIterator, typename characterType>
60  void split(characterType ch, const std::basic_string<characterType>& line, outputIterator it)
61  {
62  typename std::basic_string<characterType>::size_type b;
63  typename std::basic_string<characterType>::size_type e;
64 
65  b = 0;
66  while ((e = line.find(ch, b)) != std::basic_string<characterType>::npos)
67  {
68  (*it) = std::basic_string<characterType>(line, b, e - b);
69  ++it;
70  b = e + 1;
71  }
72 
73  *it = std::basic_string<characterType>(line, b);
74  ++it;
75  }
76 
94  template <typename outputIterator, typename characterType>
95  void split(const characterType* chars, const std::basic_string<characterType>& line, outputIterator it)
96  {
97  typename std::basic_string<characterType>::size_type b;
98  typename std::basic_string<characterType>::size_type e;
99 
100  b = 0;
101  while ((e = line.find_first_of(chars, b)) != std::basic_string<characterType>::npos)
102  {
103  (*it) = std::basic_string<characterType>(line, b, e - b);
104  ++it;
105  b = e + 1;
106  }
107 
108  *it = std::basic_string<characterType>(line, b);
109  ++it;
110  }
111 
129  template <typename outputIterator, typename characterType>
130  void split(const std::basic_string<characterType>& chars, const std::basic_string<characterType>& line, outputIterator it)
131  {
132  typename std::basic_string<characterType>::size_type e;
133  typename std::basic_string<characterType>::size_type b;
134 
135  b = 0;
136  while ((e = line.find_first_of(chars, b)) != std::basic_string<characterType>::npos)
137  {
138  (*it) = std::basic_string<characterType>(line, b, e - b);
139  ++it;
140  b = e + 1;
141  }
142 
143  *it = std::basic_string<characterType>(line, b);
144  ++it;
145  }
146 
161  template <typename outputIterator>
162  void split(const Regex& re, const std::string& line, outputIterator it)
163  {
164  RegexSMatch sm;
165  typename std::string::size_type b;
166 
167  b = 0;
168  while (re.matchp(line, b, sm))
169  {
170  (*it) = std::string(line, b, sm.offsetBegin(0) - b);
171  ++it;
172  b = sm.offsetEnd(0);
173  }
174 
175  *it = std::string(line, b);
176  ++it;
177  }
178 
179 }
180 
181 #endif // CXXTOOLS_SPLIT_H