#! /bin/sh

if [ $# -ne 1 ]
then
  echo " Usage: $0 output_file"
  echo " output_file - output file in HTML format."
  exit
fi

awk '
  BEGIN {
    print "<table>"
    print "<tr><th>Parameter</th>"
    print "<th>Definition</th>"
    print "<th>How it was calculated</th></tr>"
  }

  function print_line(name, comment, even, end) {
    if(name != ""){
      if(even) print "<tr class=\"even\">"
      else print "<tr class=\"odd\">"
      print "  <td>"name"</td>"
      split(comment, a, "|");
      print "  <td>"a[1]"</td>"
      print "  <td>"a[2]"</td>"
      print "</tr>"
    }
  }

  /^ *class /{
    print_line(name, comment, even, 1);
    even = 1;
    name = "";
    comment = "";
    split($2, a, ":");
    if(a[1] == "Candidate" || a[1] == "DelphesFactory;") next;
    print "<tr class=\"class\"><td colspan=\"3\" id=\""a[1]"\">class "a[1]"</td></tr>"
  }

  /: public /{
    if($4 == "TObject" || $4 == "SortableObject") next;
    name = sprintf("<a href=\"#%s\">%s</a>", $4, $4);
    split($2, a, ":");
    comment = sprintf("%s inherits all %s parameters", a[1], $4);
  }

  /^ *[A-Za-z_]* [A-Za-z].*; \/\/ / {
    print_line(name, comment, even, 0);
    split($2, a, ";");
    name = a[1];
    split($0, a, "// ");
    comment = a[2];
    even = !even;
  }

  /^ +\/\/ /{split($0, a, "// "); comment = comment" "a[2]}
  END {
    print_line(name, comment, even, 1);
    print "</table>"
  }' `dirname $0`/../classes/DelphesClasses.h > $1
