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 
40     class CXXTOOLS_API CsvParser
41     {
42         public:
CsvParser()43             CsvParser()
44                 : _deserializer(0),
45                   _delimiter(autoDelimiter),
46                   _readTitle(true),
47                   _noColumns(0),
48                   _lineNo(0)
49             { }
50 
delimiter()51             Char delimiter() const
52             { return _delimiter; }
53 
delimiter(Char ch)54             void delimiter(Char ch)
55             { _delimiter = ch; }
56 
readTitle()57             bool readTitle() const
58             { return _readTitle; }
59 
readTitle(bool sw)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
102