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File:  [LON-CAPA] / loncom / interface / lontest.pm
Revision 1.4: download - view: text, annotated - select for diffs
Thu Jun 13 17:54:04 2002 UTC (21 years, 11 months ago) by bowersj2
Branches: MAIN
CVS tags: HEAD
Prettified the debugging output. Added <wbr> (word breaks)
so the debug output should fit without horizontal scrolling.
Fixes bug 527.

    1: # The LearningOnline Network with CAPA
    2: # A debugging harness.
    3: #
    4: # $Id: lontest.pm,v 1.4 2002/06/13 17:54:04 bowersj2 Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: #
   29: 
   30: package Apache::lontest;
   31: 
   32: use strict;
   33: use Apache::Constants qw(:common :http);
   34: 
   35: # section takes one env var name as input, and returns
   36: # what section the given env var is in, which is the part
   37: # of the env var before the first period.
   38: # Returns the section, or blank string for 'no section',
   39: # which is normal for the standard ENV vars like REQUEST_URI.
   40: sub section
   41: {
   42:     my ($name) = @_;
   43:     return $1 if $name =~ m/\A([^.]*)\./;
   44:     return '';
   45: }
   46: 
   47:  sub handler {
   48:      my $r = shift;
   49:      $r->content_type('text/html');
   50:      $r->send_http_header;
   51:      return OK if $r->header_only;
   52: 
   53:      $r->print('<html><body>');
   54: 
   55:      my $envkey;
   56:  
   57:      $->print("<hr><h1>Debugging</h1><hr>\n");
   58:      $->print("<font face='Courier'>");
   59:      
   60:      my $i=0;
   61:      my $interval = 20; # change this to change how many keys/table
   62:      my $prevSection = ''; # keeps track of the section we're in.
   63:      foreach $envkey (sort keys %ENV) {
   64: 	 if (not ($i % $interval))
   65:          {
   66: 	     $r->print('</table>') unless $i eq 0;
   67: 	     $r->print('<table border="0">')
   68:          }
   69: 	 my $sec = section($envkey);
   70: 
   71: 	 if ($prevSection ne $sec) # new section, print header
   72: 	 {
   73: 	     $r->print('<tr><td colspan="2">');
   74: 	     $r->print("<br><br><h2 style='color: #008800'><u>$sec</u></h2>");
   75: 	     $r->print('</td></tr>');
   76: 	     $prevSection = $sec;
   77: 	 }
   78: 
   79: 	 my $envVal = $ENV{$envkey};
   80: 	 $envVal =~ s/(.{50})/\1\<wbr\>/g;
   81: 	 $envkey =~ s/(.{30})/\1\<wbr\>/g;
   82: 	 
   83: 	 $r->print("<tr><td valign='top'><b>$envkey</b></td>");
   84:          $r->print("<td valign='top'>$envVal</td></tr>\n");
   85: 	 $i++;
   86:      }
   87: 
   88:      $r->print('</table></font><h1>Total Number of Elements: '.$i.'</h1>');
   89:  
   90: # ------------------------------------------------------------------- End Debug
   91:      $r->print('</body></html>');        
   92:  }
   93: 
   94: 
   95: 1;
   96: __END__
   97: 
   98: 
   99: 
  100:
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