helm/cgi/webeq.pl

   1 #!/usr/bin/perl
   2
   3 my $HELM_CONFIGURATION_PREFIX = $ENV{"HELM_CONFIGURATION_PREFIX"};
   4 my $HELM_CONFIGURATION_PATH =
   5  $HELM_CONFIGURATION_PREFIX."/local/lib/helm/configuration.pl";
   6  # next require defines: $helm_dir, $html_link, $dtd_dir, $uris_dbm
   7  require $HELM_CONFIGURATION_PATH;
   8
   9 require HTTP::Request;
  10 require LWP::UserAgent;
  11 use CGI;
  12
  13 $url = $ENV{"REQUEST_URI"};
  14 $url =~ s/.*mmlurl=(.*)/$1/;
  15
  16 $content = "";
  17
  18 $ua = LWP::UserAgent->new;
  19 $request = HTTP::Request->new(GET => "$url");
  20 $response = $ua->request($request, \&callback);
  21
  22 $content =~ s/\r//sg;
  23 $content =~ s/\n/ /sg;
  24 $content =~ s/<!DOCTYPE[^>]*(.*)>/$1/sg;
  25 $content =~ s/<m:/</g;
  26 $content =~ s/<\/m:/<\//g;
  27 $content =~ s/<math[^>]*>/<math>/sg;
  28 $content =~ s/"/'/g;
  29 $content =~ s/&/&amp;/g;
  30
  31 print <<EOT;
  32 Content-type: text/html
  33
  34 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
  35 "http://www.w3.org/TR/REC-html40/loose.dtd">
  36 <html>
  37 <head>
  38 <title>Generato in automatico a partire da $url</title>
  39 </head>
  40 <body bgcolor="#ffffff" text="#000000">
  41 <applet codebase="http://www.webeq.com/WebEQ/2.2/classes" code="webeq.Main"
  42 +width=600 height=2000 align=middle>
  43 <param name=eq value="$content">
  44 <param name=color value="#cccccc">
  45 <param name=parser value="mathml">
  46 <param name=size value="14">
  47 </applet>
  48 </body>
  49 </html>
  50 EOT
  51
  52 #=========================
  53
  54 sub callback
  55 {
  56  my ($data) = @_;
  57  $content .= $data;
  58 }