source: trunk/lib/Node.cc @ 1137

// $Id: Node.cc 1137 2010-07-18 20:45:45Z peter $

/*
  Copyright (C) 2005, 2006, 2007, 2008 Jari Häkkinen, Peter Johansson
  Copyright (C) 2009 Peter Johansson

  This file is part of svndigest, http://dev.thep.lu.se/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 3 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 svndigest. If not, see <http://www.gnu.org/licenses/>.
*/

#include "Node.h"

#include "Configuration.h"
#include "Date.h"
#include "HtmlStream.h"
#include "html_utility.h"
#include "SVNlog.h"
#include "SVNproperty.h"
#include "utility.h"

#include <algorithm>
#include <cassert>
#include <ctime>
#include <fstream>
#include <iostream>
#include <sstream>

#include <dirent.h>
#include <sys/stat.h>

namespace theplu{
namespace svndigest{

  std::string Node::project_=std::string();

  Node::Node(const unsigned int level, const std::string& path, 
             const std::string& local_path)
    : level_(level), path_(path), stats_(path), log_(NULL),  
      svninfo_(path)
  { 
    SVNproperty property(path);
    binary_=property.binary();
    svndigest_ignore_=property.svndigest_ignore();
    svncopyright_ignore_=property.svncopyright_ignore();
    if (Node::project_==std::string()) // no root directory in local path
      Node::project_ = file_name(path);
    else if (local_path.empty())
      local_path_ = file_name(path);
    else
      local_path_ = local_path + "/" + file_name(path);

    struct stat nodestat;                // C api from sys/stat.h
    lstat(path.c_str(),&nodestat);   // C api from sys/stat.h
    link_ = S_ISLNK(nodestat.st_mode);
  }


  Node::~Node(void)
  {
    if (log_)
      delete log_;
  }


  std::string Node::author(void) const
  { 
    if (ignore())
      return svninfo_.last_changed_author(); 
    assert(log().commits().size());
    return log().latest_commit().author();
  }


  bool Node::dir(void) const
  {
    return false;
  }


  void Node::html_tablerow(std::ostream& os, 
                           const std::string& stats_type,
                           const std::string& css_class,
                           const std::string& user) const
  {
    const Stats& stats = stats_[stats_type];
    os << "<tr class=\"" << css_class << "\">\n"
       << "<td class=\"" << node_type() << "\">";
    if (svndigest_ignore())
      os << name() << " (<i>svndigest:ignore</i>)";
    else if (binary())
      os << name() << " (<i>binary</i>)";
    else if (link_)
      os << name() << " (<i>link</i>)";
    // there is no output for nodes when user has zero contribution
    else if (user!="all" && !stats.lines(user))
      os << name();
    else if (!Configuration::instance().output_file() && !this->dir())
      os << name();
    else
      os << anchor(href(), name()); 
    os << "</td>\n"; 
    if (user=="all") {
      os << "<td>" << stats.lines() << "</td>\n"
         << "<td>" << stats.code() << "</td>\n"
         << "<td>" << stats.comments() << "</td>\n"
         << "<td>" << stats.empty() << "</td>\n";
    }
    else {
      os << "<td>" << stats.lines(user); 
      if (stats.lines(user)) 
        os << " (" << percent(stats.lines(user),stats.lines()) << "%)"; 
      os << "</td>\n";
      os << "<td>" << stats.code(user); 
      if (stats.code(user)) 
        os << " (" << percent(stats.code(user),stats.code()) << "%)"; 
      os << "</td>\n";
      os << "<td>" << stats.comments(user); 
      if (stats.comments(user)) 
        os << " (" << percent(stats.comments(user),stats.comments()) << "%)"; 
      os << "</td>\n";
      os << "<td>" << stats.empty(user); 
      if (stats.empty(user)) 
        os << " (" << percent(stats.empty(user),stats.empty()) << "%)"; 
      os << "</td>\n";

    }

    os << "<td>" << trac_revision(last_changed_rev()) << "</td>\n"
       << "<td>" << author() << "</td>\n"
       << "</tr>\n";
  }


  const SVNlog& Node::log(void) const
  {
    if (!log_) {
      if (ignore())
        log_ = new SVNlog;
      else {
        log_ = new SVNlog(path());
        log_core(*log_);
      }
    }
    return *log_;
  }


  std::string Node::name(void) const 
  { 
    std::string res = file_name(path_); 
    return res;
  }


  std::string Node::output_dir(void) const
  {
    return output_dir_;
  }


  void Node::path_anchor(std::ostream& os) const
  {
    os << "<h2 class=\"path\">\n";
    std::vector<std::string> words;
    words.reserve(level_+1);
    std::string word;
    words.push_back(Node::project_);
    std::stringstream ss(local_path());
    while(getline(ss,word,'/'))
      if (!word.empty()) // ignore double slash in path
        words.push_back(word);
    if (words.size()==1)
      os << anchor("index.html", Node::project_,0, "View " + Node::project_);
    else {
      for (size_t i=0; i<words.size()-1; ++i){
        os << anchor("index.html", words[i], level_-i, "View " + words[i]);
        os << "<span class=\"sep\">/</span>";
      }
      os << anchor(href(), words.back(), level_+2-words.size(), 
             "View " + words.back()); 
    }
    os << "\n</h2>\n";
  }


  void Node::print(const bool verbose) const
  {
    if (ignore())
      return;
    if (!Configuration::instance().output_file() && !this->dir())
      return;
    if (verbose)
      std::cout << "Printing output for " << path_ << std::endl;
    const SVNlog& log = this->log();
    typedef std::map<std::string, Stats*>::const_iterator iter;

    const iter end(stats_.stats().end());
    for (iter i=stats_.stats().begin();i!=end; ++i){
      print_core(i->first, "all", "total", log);
      print_core(i->first, "all", "code", log);
      print_core(i->first, "all", "comments", log);
      print_core(i->first, "all", "empty", log);
      for (std::set<std::string>::const_iterator j=i->second->authors().begin();
         j!=i->second->authors().end(); ++j) {
        print_core(i->first, *j, "total", log);
        print_core(i->first, *j, "code", log);
        print_core(i->first, *j, "comments", log);
        print_core(i->first, *j, "empty", log);
      }
    }
      print_core(verbose);
  }


  void Node::print_author_summary(std::ostream& os, 
                                  const Stats& stats,
                                  const std::string& line_type,
                                  const SVNlog& log) const
  { 
    HtmlStream hs(os);
    os << "<h3>Author Summary</h3>";
    os << "<table class=\"listings\">\n";
    os << "<thead>\n";
    os << "<tr>\n";
    os << "<th>Author</th>\n";
    os << "<th>Lines</th>\n";
    os << "<th>Code</th>\n";
    os << "<th>Comments</th>\n";
    os << "<th>Other</th>\n";
    os << "<th>Revision</th>\n";
    os << "<th>Date</th>\n";
    os << "</tr>\n</thead>\n";
    os << "<tbody>\n";

    std::string color("light");
    if (!dir()) {
      os << "<tr class=\"" << color << "\">\n";
      os << "<td class=\"directory\" colspan=\"7\">";
      os << anchor("index.html", "../");
      os << "</td>\n</tr>\n";
    }

    // print authors
    const std::string timefmt("%Y-%m-%d  %H:%M");
    for (std::set<std::string>::const_iterator i=stats.authors().begin();
         i!=stats.authors().end(); ++i){
      if (color=="dark")
        color="light";
      else
        color="dark";
      os << "<tr class=\"" << color << "\"><td>"; 
      os << anchor(*i+"/"+line_type+"/"+output_path()
                   ,*i, level_+2, "View statistics for "+*i); 
      os << "</td><td>" << stats.lines(*i)
         << "</td><td>" << stats.code(*i)
         << "</td><td>" << stats.comments(*i)
         << "</td><td>" << stats.empty(*i);
      if (log.exist(*i)) {
        const Commitment& lc(log.latest_commit(*i));
        os << "</td>" << "<td>" << trac_revision(lc.revision()) 
           << "</td>" << "<td>";
        hs << Date(lc.date())(timefmt);
      }
      else {
        os << "</td>" << "<td>N/A"
           << "</td>" << "<td>N/A";
      }
      os << "</td></tr>\n";
    }

    os << "<tr class=\"" << color << "\">\n";
    os << "<td>"; 
    if (dir())
      if (local_path().empty())
        os << anchor("all/"+line_type+"/index.html"
                     ,"Total", level_+2, "View statistics for all"); 
      else
        os << anchor("all/"+line_type+"/"+local_path()+"/index.html"
                     ,"Total", level_+2, "View statistics for all"); 
    else
      os << anchor("all/"+line_type+"/"+local_path()+".html"
                   ,"Total", level_+2, "View statistics for all"); 
    os << "</td>\n";
    os << "<td>" << stats.lines() << "</td>\n";
    os << "<td>" << stats.code() << "</td>\n";
    os << "<td>" << stats.comments() << "</td>\n";
    os << "<td>" << stats.empty() << "</td>\n";
    const Commitment& lc(log.latest_commit());
    os << "<td>" << trac_revision(lc.revision()) << "</td>\n";
    os << "<td>";
    hs << Date(lc.date())(timefmt);
    os << "</td>\n";
    os << "</tr>\n";
    os << "</tbody>\n";
    os << "</table>\n";
  }

  
  void Node::print_copyright(std::map<std::string,Alias>& alias, 
                             bool verbose) const
  {
    // map with last rev for every year
    std::map<int, svn_revnum_t> year2rev;
    // get log for entire project
    SVNlog log(SVNinfo(path()).repos_root_url());
    typedef SVNlog::container::const_iterator LogIterator;
    for (LogIterator i=log.commits().begin(); i!=log.commits().end(); ++i){
      time_t sec = str2time(i->date());
      tm* timeinfo = gmtime(&sec);
      // ignore commits in repository not present in wc
      year2rev[timeinfo->tm_year] = std::min(i->revision(), last_changed_rev());
    }
    print_copyright(alias, verbose, year2rev);
  }


  bool Node::svncopyright_ignore(void) const
  {
    return svncopyright_ignore_;
  }


  std::string Node::url(void) const
  {
    return svninfo_.url();
  }

}} // end of namespace svndigest and namespace theplu