source: trunk/lib/Parser.h @ 103

Last change on this file since 103 was 103, checked in by Peter Johansson, 15 years ago

added class for parsing files for empty lines, comment lines, and code lines

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.9 KB
Line 
1// $Id: Parser.h 103 2006-06-27 09:46:00Z peter $
2
3/*
4  Copyright (C) 2006 Peter Johansson
5
6  This file is part of svnstat, http://lev.thep.lu.se/trac/svnstat
7
8  svnstat is free software; you can redistribute it and/or modify it
9  under the terms of the GNU General Public License as published by
10  the Free Software Foundation; either version 2 of the License, or
11  (at your option) any later version.
12
13  svnstat is distributed in the hope that it will be useful, but
14  WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21  02111-1307, USA.
22*/
23
24#ifndef _theplu_svnstat_parser_
25#define _theplu_svnstat_parser_
26
27#include <fstream>
28#include <vector>
29
30namespace theplu{
31namespace svnstat{
32
33  ///
34  /// Class parsing files
35  ///
36  class Parser
37  {
38  public:
39    ///
40    /// A line is considered empty if it only contains spaces and tabs.
41    ///
42    /// A line is considered a comment if first and second non-white
43    /// space characters are '/'.
44    ///
45    /// All other lines are considered code.
46    ///
47    enum line_type {
48      empty,
49      comment,
50      code
51    };
52
53    ///
54    /// @brief Constructor
55    ///
56    explicit Parser(std::istream&);
57
58    ///
59    /// @return const ref to vector with the line types
60    ///
61    inline const std::vector<line_type>& type(void) const { return type_; }
62
63  private:
64    ///
65    /// Copy constructor (not implemented)
66    ///
67    Parser(const Parser& other);
68
69    std::vector<line_type> type_;
70
71  };
72
73  ///
74  /// Functor for white space identification
75  ///
76  /// @return true if @a c is '\t', ' ' or '\n'.
77  ///
78  struct WhiteSpace : public std::unary_function<char,bool>
79  {
80    inline bool operator()(const char c) const
81    { 
82      return (c==' ' || c=='\t' || c=='\n'); 
83    }
84  };
85
86
87
88
89}} // end of namespace svnstat end of namespace theplu
90
91#endif
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