source: trunk/lib/html_utility.cc

// $Id: html_utility.cc 1537 2012-10-07 07:37:33Z peter $

/*
  Copyright (C) 2006 Peter Johansson
  Copyright (C) 2007, 2008 Jari Häkkinen, Peter Johansson
  Copyright (C) 2009, 2010, 2011, 2012 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 <config.h>

#include "html_utility.h"

#include "Configuration.h"
#include "Date.h"
#include "HtmlStream.h"
#include "subversion_revision.h"

#include <cassert>
#include <sstream>
#include <string>

namespace theplu{
namespace svndigest{

  std::string anchor(const std::string& url,
                     const std::string& name, unsigned int level,
                     const std::string& title,
                     const std::string& color)
  {
    std::stringstream ss;
    HtmlStream hs(ss);
    ss << "<a title=\"";
    hs << title;
    ss << "\" href=\"";
    for (size_t i=0; i<level; ++i)
      ss << "../";
    ss << url;
    ss << "\">";
    if (color.size())
      ss << "<font color=\"" << color << "\">";
    hs << name;
    if (color.size())
      ss << "</font>";
    ss << "</a>";
    return ss.str();
  }


  std::string image(const std::string& name)
  {
    std::ostringstream os;
    const std::string& format = Configuration::instance().image_format();
    const std::string& anchor_format =
      Configuration::instance().image_anchor_format();
    if (format=="svg") {
      os << "<object data='" << name << ".svg' type='image/svg+xml'"
         << " width='600'>\n"
         << "<embed src='" << name << ".svg' type='image/svg+xml'"
         << " width='600' />\n"
         << "</object>\n";
      if (anchor_format != "svg")
        std::cerr << "svndigest: anchor_format: " << anchor_format
                  << " not supported with format " << format << "\n";
    }
    else if (format=="png") {
      if (anchor_format=="none")
        os << "<img src='" << name << ".png' alt='[plot]'/>";
      else
        os << "<a href=\"" << name << "." << anchor_format << "\">"
           << "<img src='" << name << ".png' alt='[plot]'/>"
           << "</a>";
    }
    else if (format=="none")
      os << "<!-- no images -->";
    else {
      assert(false);
      throw std::runtime_error("unknown image format: " + format);
    }
    return os.str();
  }


  void print_footer(std::ostream& os)
  {
    Date date;
    HtmlStream hs(os);
    os << "<p class=\"footer\">\nGenerated on ";
    hs << date("%a %b %e %H:%M:%S %Y") << " (UTC) by ";
    os << anchor(PACKAGE_URL, PACKAGE_STRING, 0, "");
    if (DEV_BUILD)
      os << " (dev build " << svn_revision() << ")";
    os << "\n</p>\n</div>\n</body>\n</html>\n";
  }


  void print_header(std::ostream& os, std::string title, unsigned int level,
                    std::string user, std::string item, std::string path,
                    const std::string& stats, svn_revnum_t rev)
  {
    print_html_start(os, title, level, rev);
    os << "<div id=\"menu\">"
       << "<ul>\n<li></li>\n";
    if (item=="main")
      os << "<li class=\"highlight\">";
    else
      os << "<li>";
    os << anchor("index.html", "Main", level, "Main page");
    os << "</li>\n";

    std::string stats_local(stats);
    if (stats_local=="none")
      stats_local = "classic";

    if (item=="total")
      os << "<li class=\"highlight\">";
    else
      os << "<li>\n";
    os << anchor(stats_local+"/"+user+"/total/"+path, "Total", level,
           "View statistics of all lines");
    os << "</li>\n";

    if (item=="code")
      os << "<li class=\"highlight\">";
    else
      os << "<li>";
    os << anchor(stats_local+"/"+user+"/code/"+path, "Code", level,
                 "View statistics of code lines");
    os << "</li>\n";

    if (item=="comments")
      os << "<li class=\"highlight\">";
    else
      os << "<li>";
    os << anchor(stats_local+"/"+user+"/comments/"+path, "Comment", level,
                 "View statistics of comment lines");
    os << "</li>\n";


    if (item=="empty")
      os << "<li class=\"highlight\">";
    else
      os << "<li>";
    os << anchor(stats_local+"/"+user+"/empty/"+path, "Other", level,
                 "View statistics of other lines");
    os << "</li>\n";
    os << "<li>";
    // Peter, this is ugly! But how to add space?
    for (size_t i=0; i<50; ++i)
      os << "&nbsp;";
    os << "</li>\n";

    std::string item_local(item);
    if (item_local=="none")
      item_local = "total";
    if (item_local=="main")
      item_local = "total";

    if (stats=="classic")
      os << "<li class=\"highlight\">";
    else
      os << "<li>";
    os << anchor("classic/"+user+"/"+item_local+"/"+path, "Classic", level,
                 "View classic statistics");
    os << "</li>\n";

    if (stats=="blame")
      os << "<li class=\"highlight\">";
    else
      os << "<li>";
    os << anchor("blame/"+user+"/"+item_local+"/"+path, "Blame", level,
                 "View blame statistics");
    os << "</li>\n";

    if (stats=="add")
      os << "<li class=\"highlight\">";
    else
      os << "<li>";
    os << anchor("add/"+user+"/"+item_local+"/"+path, "Add", level,
                 "View add statistics");
    os << "</li>\n";


    os << "</li>\n"
       << "</ul></div>\n"
       << "<div id=\"main\">\n";
  }


  void print_html_start(std::ostream& os, const std::string& title,
                        unsigned int level, svn_revnum_t rev)
  {
    os << "<!-- Generated by " << PACKAGE_STRING << "-->\n";
    if (rev)
      os << "<!-- revision: " << rev << " -->\n";
    os << "<!DOCTYPE html\n"
       << "PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n"
       << "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n"
       << "<html xmlns=\"http://www.w3.org/1999/xhtml\""
       << " xml:lang=\"en\" lang=\"en\">\n"
       << "<head>\n"
       << "<title> " << title << " - svndigest</title>\n"
       << "<meta http-equiv=\"Content-type\" content=\"text/html; "
       << "charset=UTF-8\" />\n"
       << "<link rel=\"stylesheet\" "
       << "href=\"";
    for (unsigned int i=0; i<level; ++i)
      os << "../";
    os << "svndigest.css\" type=\"text/css\" />\n"
       << "</head>\n"
       << "<body>\n";
  }

  std::string trac_revision(svn_revnum_t r, std::string color)
  {
    const Configuration& conf = Configuration::instance();
    std::stringstream ss;
    if (conf.trac_root().empty())
      ss << r;
    else {
      std::stringstream rev;
      rev << r;
      ss << anchor(conf.trac_root()+"changeset/"+rev.str(), rev.str(),
                   0, "View ChangeSet "+rev.str(), color);
    }
    return ss.str();
  }

}} // end of namespace svndigest and namespace theplu