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  *
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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
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18  *
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21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
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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 {
60  template <typename outputIterator, typename characterType>
61  void split(characterType ch, const std::basic_string<characterType>& line, outputIterator it)
62  {
63  std::basic_string<characterType> s(line);
64  typename std::basic_string<characterType>::size_type pos;
65 
66  while ((pos = s.find(ch)) != std::basic_string<characterType>::npos)
67  {
68  *it = s.substr(0, pos);
69  ++it;
70  s.erase(0, pos + 1);
71  }
72 
73  *it = s;
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  std::basic_string<characterType> s(line);
98  typename std::basic_string<characterType>::size_type pos;
99 
100  while ((pos = s.find_first_of(chars)) != std::basic_string<characterType>::npos)
101  {
102  *it = s.substr(0, pos);
103  ++it;
104  s.erase(0, pos + 1);
105  }
106 
107  *it = s;
108  ++it;
109  }
110 
128  template <typename outputIterator, typename characterType>
129  void split(const std::basic_string<characterType>& chars, const std::basic_string<characterType>& line, outputIterator it)
130  {
131  std::basic_string<characterType> s(line);
132  typename std::basic_string<characterType>::size_type pos;
133 
134  while ((pos = s.find_first_of(chars)) != std::basic_string<characterType>::npos)
135  {
136  *it = s.substr(0, pos);
137  ++it;
138  s.erase(0, pos + 1);
139  }
140 
141  *it = s;
142  ++it;
143  }
144 
159  template <typename outputIterator>
160  void split(const Regex& re, const std::string& line, outputIterator it)
161  {
162  std::string s(line);
163  RegexSMatch sm;
164 
165  while (re.match(s, sm))
166  {
167  *it = s.substr(0, sm.offsetBegin(0));
168  ++it;
169  s.erase(0, sm.offsetEnd(0));
170  }
171 
172  *it = s;
173  ++it;
174  }
175 
176 }
177 
178 #endif // CXXTOOLS_SPLIT_H