source: trunk/lib/Directory.cc @ 313

// $Id: Directory.cc 313 2007-05-17 11:40:44Z 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 "Directory.h"

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

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

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

namespace theplu{
namespace svndigest{


  Directory::Directory(const u_int level, const std::string& path, 
                       const std::string& output)
    : Node(level,path,output)
  {
    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.c_str(),&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
        }
      }
    daughters_.sort(NodePtrLess());
  }


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

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

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

  const Stats& Directory::parse(const bool verbose)
  {
    stats_.reset();
    // Directories themselved give no contribution to statistics.
    for (NodeIterator i=daughters_.begin(); i!=daughters_.end(); ++i)
      if (!(*i)->ignore())
        stats_ += (*i)->parse(verbose);
    return stats_;
  }


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


  void Directory::print_core(const bool verbose) const
  {
    // print daughter nodes, i.e., this function is recursive
    for (NodeConstIterator i=daughters_.begin(); i!=daughters_.end(); ++i)
      (*i)->print(verbose);
  }


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

    std::string outdir = user+"/"+line_type+"/"+local_path_;
    if (local_path_=="")
      outdir = user+"/"+line_type;

    mkdir(outdir);
    std::string imagedir = "images/"+line_type+"/"+local_path_;
    if (user=="all")
      mkdir(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_+2, user, line_type, "index.html");
    else
      print_header(os, name(), level_+2, user, line_type, 
                   local_path()+"/index.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(imagedir+"/index.png", line_type);
    else
      os << imagedir << "/index.png";
    os << "' alt='[plot]' border=0><br>\n";
    os << "<h3>File Summary";
    if (user!="all")
      os << " for " << user;
    os << "</h3>";      
    os << "<table class=\"listings\">\n";
    os << "<thead>";
    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>";

    std::string color("light");
    if (level_){
      os << "<tr class=\"light\">\n";
      os << "<td class=\"directory\" colspan=\"6\">";
      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,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(stats_.last_changed_rev()) << "</td>\n";
    os << "<td>" << author() << "</td>\n";
    os << "</tr>\n";
    os << "</table>\n";
    print_author_summary(os, line_type, log);
    os << "</p>\n";
    print_footer(os);
    os.close(); 
  }


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

}} // end of namespace svndigest and namespace theplu