csvparser.h
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1 /*
2  * Copyright (C) 2011 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
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
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
16  * reasons why the executable file might be covered by the GNU Library
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
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 #ifndef CXXTOOLS_CSVPARSER_H
30 #define CXXTOOLS_CSVPARSER_H
31 
32 #include <cxxtools/api.h>
33 #include <cxxtools/string.h>
34 #include <vector>
35 
36 namespace cxxtools
37 {
38  class DeserializerBase;
39 
41  {
42  public:
44  : _deserializer(0),
45  _delimiter(autoDelimiter),
46  _readTitle(true),
47  _noColumns(0),
48  _lineNo(0)
49  { }
50 
51  Char delimiter() const
52  { return _delimiter; }
53 
54  void delimiter(Char ch)
55  { _delimiter = ch; }
56 
57  bool readTitle() const
58  { return _readTitle; }
59 
60  void readTitle(bool sw)
61  { _readTitle = sw; }
62 
63  static const Char autoDelimiter;
64 
65  void begin(DeserializerBase& handler);
66  void advance(Char ch);
67  void finish();
68 
69  private:
70  enum
71  {
72  state_detectDelim,
73  state_detectDelim_q,
74  state_detectDelim_postq,
75  state_title,
76  state_qtitle,
77  state_qtitlep,
78  state_cr,
79  state_rowstart,
80  state_datastart,
81  state_data0,
82  state_data,
83  state_qdata,
84  state_qdata_end
85  } _state;
86 
87  DeserializerBase* _deserializer;
88  Char _delimiter;
89  bool _readTitle;
90 
91  typedef std::vector<std::string> rowType;
92  rowType _titles;
93  String _value;
94  rowType::size_type _column;
95  unsigned _noColumns;
96  unsigned _lineNo;
97  Char _quote;
98  };
99 }
100 
101 #endif // CXXTOOLS_CSVPARSER_H