source: trunk/lib/File.cc @ 258

// $Id: File.cc 258 2007-04-30 12:08:25Z peter $

/*
  Copyright (C) 2005, 2006 Jari Häkkinen, Peter Johansson
  Copyright (C) 2007 Peter Johansson

  This file is part of svndigest, http://lev.thep.lu.se/trac/svndigest

  svndigest is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  svndigest is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "File.h"
#include "html_utility.h"
#include "Stats.h"
#include "SVNlog.h"

#include <cassert>
#include <ctime>
#include <fstream>
#include <iostream>
#include <map>
#include <string>

namespace theplu{
namespace svndigest{


  std::string File::href(void) const
  { 
    return name()+".html"; 
  }


  const std::string File::node_type(void) const
  {
    return std::string("file");
  }


  const Stats& File::parse(const bool verbose)
  {
    if (verbose)
      std::cout << "Parsing " << path_ << std::endl; 
    stats_.reset();
    stats_.parse(path_);
    return stats_;
  }


  void File::print_core(const std::string& user, const std::string& line_type,
                        const SVNlog& log) const 
  {
    std::string outpath = user+"/"+line_type+"/"+local_path();
    std::string imagefile = "images/"+line_type+"/"+local_path_+".png";
    std::string html_name(outpath + ".html");
    std::ofstream os(html_name.c_str());
    print_header(os, name(), level_+2, user, line_type, local_path()+".html");
    path_anchor(os);
    os << "<p align=center>\n<img src='"; 
    for (size_t i=0; i<level_; ++i)
      os << "../";
    os << "../../";
    if (user=="all")
      os << stats_.plot(imagefile,line_type);
    else
      os << imagefile;
    os << "' alt='[plot]' border=0>\n</p>";

    print_author_summary(os, line_type, log);
    os << "</p>\n";

    print_footer(os);
    os.close(); 
  }


  void File::print_core(const bool verbose) const 
  {
  }


  void File::print_blame(std::ofstream& os, const std::string line_type) const
  {
    os << "<table class=\"blame\">\n";

    os << "</table>\n";
  }


  void File::print_copyright (std::map<std::string,std::string>& alias) const{
    if (ignore())
      return;
    using namespace std;

    SVNlog log(path());

    typedef map<int, set<string> > Container;
    Container copyright;

    
    assert(log.author().size()==log.date().size());
    vector<string>::const_iterator author=log.author().begin();
    for (vector<string>::const_iterator date=log.date().begin();
         date!=log.date().end(); ++date, ++author) {
      time_t sec = str2time(*date);
      tm* timeinfo = gmtime(&sec);

      // find username in map of aliases
      map<string, string>::iterator name = alias.lower_bound(*author);
      // if alias exist insert alias
      if (name != alias.end() && name->first==*author)
        copyright[timeinfo->tm_year].insert(name->second);
      else {
        // else insert user name
        copyright[timeinfo->tm_year].insert(*author);
        std::cerr << "svndigest: warning: no copyright alias found for `" 
                  << *author << "`\n";
        // insert alias to avoid multiple warnings.
        alias.insert(name, std::make_pair(*author, *author));
      }
    }


    // Code copied from Gnuplot -r70
    char tmpname[]="/tmp/svndigestXXXXXX";
    int fd=mkstemp(tmpname);  // mkstemp return a file descriptor
    if (fd == -1)
      throw std::runtime_error(std::string("Failed to get unique filename: ") +
                               tmpname);
    // Jari would like to do something like 'std::ofstream tmp(fd);'
    // but has to settle for (which is stupid since the file is
    // already open for writing.
    std::ofstream tmp(tmpname);

    ifstream is(path().c_str());
    assert(is.good());
    string line;
    bool found_copyright = false;
    bool after_copyright = false;
    string prefix;
    while(getline(is, line)){
      if (after_copyright) 
        tmp << line << "\n";
      else if (found_copyright){
        // check if line is end of copyright statement, i.e. contains
        // no alphanumerical character
        after_copyright = true;
        for (size_t i=0; i<line.size()&&after_copyright; ++i)
          if (isalnum(line[i]))
            after_copyright = false;
        if (after_copyright)
          tmp << line << "\n";
          
      }
      else {
        // check whether copyright starts on this line
        string::iterator i = search(line.begin(), line.end(), "Copyright (C)");
        if (i==line.end()) {
          tmp << line << "\n";
        }     
        else {
          prefix = line.substr(0, distance(line.begin(), i));
          found_copyright = true;
          // Printing copyright statement
          for (Container::const_iterator i=copyright.begin();
               i!=copyright.end();) {
            tmp << prefix << "Copyright (C) "
                << 1900+i->first;
            Container::const_iterator j = i;
            assert(i!=copyright.end());
            while (++j!=copyright.end() && i->second == j->second){
              tmp << ", " << 1900+(j->first);
            }
            // printing authors
            for (set<string>::iterator a=i->second.begin();
                 a!=i->second.end(); ++a){
              if (a!=i->second.begin())
                tmp << ",";
              tmp << " " << *a;
            }
            tmp << "\n";
            i = j;
          }
        }
      }
    }
    is.close();
    tmp.close();
    close(fd);
    // finally move printed temporary file to original file
    rename(tmpname, path().c_str());
  }
}} // end of namespace svndigest and namespace theplu