source: trunk/lib/Directory.cc @ 1234

// $Id: Directory.cc 1234 2010-10-23 16:41:33Z peter $

/*
  Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Jari Häkkinen, 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 "Directory.h"

#include "Alias.h"
#include "Configuration.h"
#include "File.h"
#include "html_utility.h"
#include "Node.h"
#include "NodeVisitor.h"
#include "SVN.h"
#include "SVNlog.h"
#include "TinyStats.h"
#include "utility.h"

#include <algorithm>
#include <cassert>
#include <fstream>
#include <functional>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <sstream>

#include <cerrno> // Needed to check error state below.
#include <dirent.h>
#include <sys/stat.h>

namespace theplu{
namespace svndigest{


  Directory::Directory(const unsigned int level, const std::string& path, 
                       const std::string& output)
    : Node(level,path,output)
  {
    output_dir_=local_path();
    if (!output_dir_.empty())
      output_dir_+='/';

    using namespace std;
    DIR* directory=opendir(path.c_str());    // C API from dirent.h
    if (!directory)
      throw NodeException("ERROR: opendir() failed; " + path +
                          " is not a directory");
    list<string> entries;
    struct dirent* entry;
    errno=0;  // Global variable used by C to track errors, from errno.h
    while ((entry=readdir(directory)))       // C API from dirent.h
      entries.push_back(string(entry->d_name));
    if (errno)
      throw NodeException("ERROR: readdir() failed on " + path);
    closedir(directory);

    SVN* svn=SVN::instance();
    for (list<string>::iterator i=entries.begin(); i!=entries.end(); ++i)
      if ((*i)!=string(".") && (*i)!=string("..") && (*i)!=string(".svn")) {
        string fullpath(path_+'/'+(*i));
        switch (svn->version_controlled(fullpath)) {
        case SVN::uptodate:
          struct stat nodestat;                // C api from sys/stat.h
          lstat(fullpath,&nodestat);   // C api from sys/stat.h
          if (S_ISDIR(nodestat.st_mode))       // C api from sys/stat.h
            daughters_.push_back(new Directory(level_+1,fullpath,local_path()));
          else
            daughters_.push_back(new File(level_,fullpath,local_path()));
          break;
        case SVN::unresolved:
          throw NodeException(fullpath+" is not up to date");
        case SVN::unversioned: ; // do nothing
        }
      }
    std::sort(daughters_.begin(), daughters_.end(), NodePtrLess());
  }


  Directory::~Directory(void)
  {
    for (NodeIterator i=daughters_.begin(); i!=daughters_.end(); ++i)
      delete *i;
  }


  void Directory::collect_stats(void)
  {
    stats_.reset();
    for (NodeIterator i=daughters_.begin(); i!=daughters_.end(); ++i)
      if (!(*i)->ignore()) {
        stats_ += (*i)->stats();
        (*i)->stats().reset();
      }
  }


  bool Directory::dir(void) const
  {
    return true;
  }


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


  svn_revnum_t Directory::last_changed_rev(void) const
  {
    svn_revnum_t res = svn_info().last_changed_rev();
    for (NodeConstIterator i=daughters_.begin(); i!=daughters_.end(); ++i)
      res = std::max(res, (*i)->last_changed_rev());
    return res;
  }


  void Directory::log_core(SVNlog& log) const
  {
    for (NodeConstIterator i(daughters_.begin()); i != daughters_.end(); ++i)
      log += (*i)->log();
  }

  std::string Directory::node_type(void) const
  {
    return std::string("directory");
  }


  std::string Directory::output_path(void) const
  {
    return output_dir()+"index.html";
  }

  const StatsCollection& Directory::parse(bool verbose, bool ignore)
  {
    stats_.reset();
    assert(0 && "we are not using this function, are we?");
    /*
    for (NodeIterator i=daughters_.begin(); i!=daughters_.end(); ++i)
      if (!(*i)->ignore())
        stats_ += (*i)->parse(verbose, ignore);
    */
    return stats_;
  }


  void Directory::print_core(const bool verbose) const
  {
    //mkdir("blame_output/" + local_path());
    // print daughter nodes
    //for (NodeConstIterator i=daughters_.begin(); i!=daughters_.end(); ++i)
    //  (*i)->print(verbose);
  }


  void Directory::print_core(const std::string& stats_type,
                             const std::string& user, 
                             const std::string& line_type,
                             const SVNlog& log) const
  {

    const Stats& stats = stats_[stats_type];
    std::string imagedir = stats_type+"/"+"images/"+line_type;
    std::string outdir   = stats_type+"/"+user+"/" +line_type;
    if (local_path()!="") {
      imagedir += "/"+local_path();
      outdir   += "/"+local_path();
    }
    mkdir_p(outdir);
    if (user=="all")
      mkdir_p(imagedir);
    std::string html_name = outdir+"/index.html";
    std::ofstream os(html_name.c_str());
    assert(os.good());
    if (local_path().empty())
      print_header(os, name(), level_+3, user, line_type, "index.html", 
                   stats_type);
    else
      print_header(os, name(), level_+3, user, line_type, 
                   local_path()+"/index.html", stats_type);
    path_anchor(os);

    std::stringstream ss;
    for (size_t i=0; i<level_; ++i)
      ss << "../";
    ss << "../../../";
    if (user=="all")
      ss << stats.plot(imagedir+"/index", line_type);
    else
      ss << imagedir << "/index";
    os << "<p class=\"plot\">\n"; 
    os << image(ss.str());
    os << "</p>\n";

    os << "<h3>File Summary";
    if (user!="all")
      os << " for " << user;
    os << "</h3>";      
    os << "<table class=\"listings\">\n";
    os << "<thead>\n";
    os << "<tr>\n";
    os << "<th>Node</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>Author</th>\n";
    os << "</tr>\n</thead>\n";
    os << "<tbody>\n";

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

    // print html links to daughter nodes
    for (NodeConstIterator d = daughters_.begin(); d!=daughters_.end(); ++d) {
      (*d)->html_tablerow(os,stats_type, color, user);
      if (color=="dark")
        color = "light";
      else
        color = "dark";
    }
    os << "<tr class=\"" << color << "\">\n";
    os << "<td>Total</td>\n";
    if (user=="all"){
      os << "<td>" << stats.lines() << "</td>\n";
      os << "<td>" << stats.code() << "</td>\n";
      os << "<td>" << stats.comments() << "</td>\n";
      os << "<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";
    os << "<td>" << author() << "</td>\n";
    os << "</tr>\n";
    os << "</tbody>\n";
    os << "</table>\n";
    print_author_summary(os, stats, line_type, log);
    os << "\n";
    print_footer(os);
    os.close(); 
  }


  void Directory::print_copyright(std::map<std::string, Alias>& alias, 
                                  bool verbose,
                                  const std::map<int,svn_revnum_t>& y2r) const 
  {
    if (!ignore() && !svncopyright_ignore()) {
      // print daughter nodes, i.e, this function is recursive
      for (NodeConstIterator i = daughters_.begin(); i!=daughters_.end(); ++i)
        (*i)->print_copyright(alias, verbose, y2r);
    }
  }


  void Directory::traverse(NodeVisitor& visitor)
  {
    visitor.enter(*this);
    for (NodeIterator first=daughters_.begin(), end=daughters_.end();
         first!=end; ++first)
      (*first)->traverse(visitor);
    visitor.leave(*this);
  }


}} // end of namespace svndigest and namespace theplu