source: trunk/lib/utility.h @ 100

Last change on this file since 100 was 100, checked in by Peter Johansson, 15 years ago

closes #9 and move create function from svnstat.cc to lib/utility and also move rmdirhier to lib

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.4 KB
Line 
1// $Id: utility.h 100 2006-06-19 09:53:16Z peter $
2
3/*
4  Copyright (C) 2005, 2006 Jari Häkkinen, 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_utility_
25#define _theplu_svnstat_utility_
26
27#include <algorithm>
28#include <functional>
29#include <map>
30#include <string>
31#include <utility>
32#include <vector>
33
34namespace theplu{
35namespace svnstat{
36
37  ///
38  /// @return 0 if ok
39  ///
40  int blame(const std::string&);
41 
42  ///
43  /// Create directory \a dir. The call can fail in many ways, cf. 'man
44  /// mkdir'. If the \a dir exists, setting \a force to true will
45  /// trigger a recursive removal of the target \a dir.
46  ///
47  int createdir(const std::string& dir, bool force=false);
48
49  ///
50  /// @return everything after last '/'
51  ///
52  std::string file_name(const std::string&);
53
54  ///
55  /// Extracts information from 'svn info <node>'
56  ///
57  /// @note <node> must be in subversion control.
58  ///
59  std::map<std::string, std::string> info(const std::string&);
60
61//  int log(const std::string&);
62
63  ///
64  /// Calculating sum of two vectors.
65  ///
66  /// @return resulting vector
67  ///
68  template <typename T >
69  struct VectorPlus : 
70    public std::binary_function<std::vector<T>,std::vector<T>,std::vector<T> >
71  {
72    std::vector<T> operator()(const std::vector<T>& u,
73                              const std::vector<T>& v) const 
74    {
75      if ( u.size() > v.size() ){
76        std::vector<T> res(u.size());
77        transform(u.begin(), u.end(), v.begin(), res.begin(), std::plus<T>());
78        copy(u.begin()+v.size(), u.end(), res.begin()+v.size());
79        return res;
80      }
81 
82      std::vector<T> res(v.size());
83      transform(v.begin(), v.end(), u.begin(), res.begin(), std::plus<T>());
84      if ( v.size() > u.size() )
85        copy(v.begin()+u.size(), v.end(), res.begin()+u.size());
86      return res;
87    }
88
89  };
90
91  ///
92  /// @return resulting vector
93  ///
94  template <typename Key, typename T>
95  struct PairValuePlus :
96    public std::binary_function<std::vector<T>,
97                                std::pair<const Key, std::vector<T> >, 
98                                std::vector<T> >
99  {
100    std::vector<T> operator()(const std::vector<T>& sum, 
101                              const std::pair<const Key,std::vector<T> >& p)
102    {
103      return VectorPlus<T>()(sum, p.second);
104    }
105  };
106
107  ///
108  /// Jari, is this obsolete? And thus erasable?
109  ///
110  struct CodingMore :
111    public std::binary_function<std::pair<std::string,std::vector<u_int> >,
112                                std::pair<std::string,std::vector<u_int> >,
113                                bool >
114  {
115    inline bool operator()
116      (const std::pair<std::string,std::vector<u_int> >& a, 
117       const std::pair<std::string,std::vector<u_int> >& b)
118    {
119      if (a.second.back() > b.second.back())
120        return true;
121      else if (a.second.back() < b.second.back())
122        return false;
123      return a.first < b.first;
124    }
125  };
126
127}}
128
129// end of namespace svnstat end of namespace theplu
130#endif
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