source: trunk/lib/BlameStats.cc @ 815

Last change on this file since 815 was 803, checked in by Peter Johansson, 12 years ago

fixes #338 - partial cache now works

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.9 KB
Line 
1// $Id: BlameStats.cc 803 2009-07-10 23:23:45Z peter $
2
3/*
4  Copyright (C) 2005 Peter Johansson
5  Copyright (C) 2006, 2007 Jari Häkkinen, Peter Johansson
6  Copyright (C) 2009 Peter Johansson
7
8  This file is part of svndigest, http://dev.thep.lu.se/svndigest
9
10  svndigest is free software; you can redistribute it and/or modify it
11  under the terms of the GNU General Public License as published by
12  the Free Software Foundation; either version 3 of the License, or
13  (at your option) any later version.
14
15  svndigest is distributed in the hope that it will be useful, but
16  WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  General Public License for more details.
19
20  You should have received a copy of the GNU General Public License
21  along with svndigest. If not, see <http://www.gnu.org/licenses/>.
22*/
23
24#include "BlameStats.h"
25
26#include "Functor.h"
27#include "SVNblame.h"
28#include "SVNinfo.h"
29#include "SVNlog.h"
30#include "utility.h"
31
32#include <algorithm>
33#include <cassert>
34#include <cstdlib>
35#include <fstream>
36#include <functional>
37#include <iostream>
38#include <iterator>
39#include <map>
40#include <numeric>
41#include <string>
42#include <sstream>
43#include <unistd.h>
44#include <utility>
45#include <vector>
46
47
48namespace theplu{
49namespace svndigest{
50
51
52  BlameStats::BlameStats(const std::string& path)
53    : Stats(path)
54  {
55  }
56
57
58  BlameStats::BlameStats(const BlameStats& other)
59  : Stats(other)
60  {
61  }
62
63
64  void BlameStats::fill_in(Author2Vector& a2v, svn_revnum_t rev)
65  {
66    if (rev==0)
67      return;
68    for (std::set<std::string>::const_iterator iter(authors().begin());
69         iter!=authors().end(); ++iter) {
70      std::vector<unsigned int>& vec = a2v[*iter];
71      vec.resize(revision()+1);
72      assert(rev<static_cast<svn_revnum_t>(vec.size()));
73      vec[rev]=vec[rev-1];
74    }
75  }
76
77
78  void BlameStats::do_parse(const std::string& path, svn_revnum_t first_rev)
79  {
80    SVNlog log(path);
81    typedef std::set<svn_revnum_t> RevSet;
82    RevSet revs;
83    std::transform(log.commits().begin(), log.commits().end(),
84                   std::inserter(revs, revs.begin()), 
85                   std::mem_fun_ref(&Commitment::revision));
86    for (RevSet::reverse_iterator rev_iter=revs.rbegin();
87         rev_iter!=revs.rend() && *rev_iter>=first_rev; ++rev_iter){
88      SVNblame svn_blame(path, *rev_iter);
89      LineTypeParser parser(path);
90      while (svn_blame.valid()) {
91        add(svn_blame.author(), *rev_iter, parser.parse(svn_blame.line()));
92        // I dont trust blame and log behave consistent (stop-on-copy).
93        revs.insert(svn_blame.revision());
94        svn_blame.next_line();
95      }
96    }
97   
98    // filling in pristine revisions
99    RevSet::iterator rev_iter=revs.begin();
100    for (svn_revnum_t rev = first_rev; rev<=revision(); ++rev){
101      if (rev==*rev_iter)
102        ++rev_iter;
103      else {
104        fill_in(code_stats(),rev);
105        fill_in(comment_stats(),rev);
106        fill_in(other_stats(),rev);
107        fill_in(copyright_stats(),rev);
108      }
109    }
110  }
111
112
113}} // end of namespace svndigest and namespace theplu
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