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Diff for /loncom/interface/printout.pl between versions 1.19 and 1.45

version 1.19, 2002/08/21 12:49:58 version 1.45, 2004/02/06 14:16:39
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
   # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA 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.
   #
   # LON-CAPA 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 LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   
   use lib '/home/httpd/lib/perl';
   use Time::Local;
   use LONCAPA::loncgi();
   use File::Path;
 use IO::File;  use IO::File;
 use Image::Magick;  use Image::Magick;
   
   if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
       print <<END;
   Content-type: text/html
   
   <html>
   <head><title>Bad Cookie</title></head>
   <body>
   Your cookie information is incorrect.
   </body>
   </html>
   END
       return;
   }
   
  print "Content-type: text/html\n\n";   print "Content-type: text/html\n\n";
  print "<body bgcolor=\"#FFFFFF\">\n";   print "<body bgcolor=\"#FFFFFF\">\n";
   my ($texfile,$laystyle,$numberofcolumns) = split(/&/,$ENV{'QUERY_STRING'});  
     my $identifier = $ENV{'QUERY_STRING'};
     my $texfile = $ENV{'cgi.'.$identifier.'.file'};
     my $laystyle = $ENV{'cgi.'.$identifier.'.layout'};
     my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'};
     my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'};
     my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'};
     my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'};
     my $advans_role = $ENV{'cgi.'.$identifier.'role'};
     my $back_ref = $ENV{'cgi.'.$identifier.'backref'};
     my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1;
     my $student_names = $ENV{'cgi.'.$identifier.'studentnames'};
   
     my @names_pack=();
     if ($student_names=~/_END_/) {  
         @names_pack=split(/_ENDPERSON_/,$student_names);
     }
   
   my $figfile = $texfile;    my $figfile = $texfile;
   $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;    $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
   my $duefile = $texfile;    my $duefile = $texfile;
   $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;    $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
   #do we have figures?    #do we have figures?
   if (-e $figfile) {    if (-e $figfile) {
         my %done_conversion;
       my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";        my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
       my @content_of_file = <$temporary_file>;        my @content_of_file = <$temporary_file>;
       close $temporary_file;          close $temporary_file;  
       my $noteps;        my $noteps;
         &Create_StatWin ('Starting eps pictures creation', 'Pictires Status window');
       foreach $not_eps (@content_of_file) {        foreach $not_eps (@content_of_file) {
   if ($not_eps ne '') {    if ($not_eps ne '') {
                 my $status_statement='EPS picture for '.$not_eps;
         &Update_StaWin ($status_statement);
         $not_eps=~s|\/\.\/|\/|g;
       my $eps_f = $not_eps;        my $eps_f = $not_eps;
       $eps_f =~ s/\.[^.]*$/\.eps/i;        $eps_f =~ s/\.[^.]*$/\.eps/i;
       $_ = $eps_f;        if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
       m/\/([^\/]+)$/;                    $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
       $eps_f = '/home/httpd/prtspool/'.$1;    $eps_f = '/home/httpd/prtspool/'.$eps_f;
         } else {
     $eps_f=~m/\/home\/httpd\/html\/res\/(.+)/;
     $eps_f = '/home/httpd/prtspool/'.$1;
         }
         my $path=$eps_f;
         $path=~s/\/([^\/]+)\.eps$//;
         File::Path::mkpath($path,0,0777);
       my $image = Image::Magick->new;        my $image = Image::Magick->new;
       $not_eps =~ s/^\s+//;        $not_eps =~ s/^\s+//;
       $not_eps =~ s/\s+$//;        $not_eps =~ s/\s+$//;
         if ( exists($done_conversion{$not_eps})) {
     next;
         }
         $done_conversion{$not_eps}=1;
       $status = $image->Read($not_eps);        $status = $image->Read($not_eps);
       if ($status) {print "  $status  ";}        if ($status) {print "  $status  ";}
       $image->Set(page => '+100+200');         $image->Set(page => '+100+200'); 
       $status = $image->Write($eps_f);            $status = $image->Write($eps_f);    
       if ($status) {print "  $status  ";}        if ($status) {print "  $status  ";}
                 #check is eps exist in prtspool
                 if(not -e $eps_f) {
     for (my $i=0;$i<10000;$i++) {
         if (-e $eps_f.'.'.$i) {
     rename $eps_f.'.'.$i, $eps_f;
     last;
         }
     }
         }  
   }    }
       }        }
       unlink $figfile;        &Close_StatWin();
   }    }
   #print "$texfile\n"; #name of the tex file for debugging only    #print "$texfile\n"; #name of the tex file for debugging only   
   $texfile =~ m/^(.*)\/([^\/]+)$/;     my @texfile=($texfile);
   my $name_file = $2;    if ($number_of_files>1) {
   my $path_file = $1.'/';        for (my $i=1;$i<=$number_of_files-1;$i++) {
   chdir $path_file;    my $new_texfile=$texfile;
   system("latex $name_file 1>/dev/null 2>/dev/null");    $new_texfile=~s/\.tex/_add$i\.tex/;
   #Do we have a latex error in the log file?    push @texfile,$new_texfile;
   my $logfilename = $texfile;  
   $logfilename =~ s/\.tex$/\.log/;  
   my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";  
   my @content_of_file = <$temporary_file>;  
   close $temporary_file;   
   my $body_log_file = join(' ',@content_of_file);   
   if ($body_log_file=~m/!\s+Emergency stop/) {  
       #LaTeX failed to parse tex file   
       print "<h1>LaTeX could not successfully parse your tex file.</h1>";  
       print "<h2>It probably has errors in it.</h2>";  
       print "Here are the error messages in the LaTeX log file</br>";  
       my $sygnal = 0;  
       for (my $i=0;$i<=$#content_of_file;$i++) {  
   if ($content_of_file[$i]=~m/^!/) {  
       $sygnal = 1;  
   }   
   if ($content_of_file[$i]=~m/Here is how much of/) {  
       $sygnal = 0;  
   }   
   if ($sygnal) {  
       print "$content_of_file[$i]<br />";  
   }    
       }         } 
   } else {    }
       #LaTeX successfully parsed tex file   my $ind=-1;
       $name_file =~ s/\.tex/\.dvi/;  &Create_StatWin ('Starting PDF production for students', 'PDF Status window');
       my $new_name_file = $name_file;  foreach $texfile (@texfile) {
       $new_name_file =~ s/\.dvi/\.ps/;    my $final_statement="<b>Link to your PDF document:</b> ";
       my $comma = "dvips -o $new_name_file";    my $status_statement='PDF document for ';
       system("$comma $name_file");    if ($number_of_files>1) {
       if (-e $new_name_file) {        $ind++;
   print "<h1>OUTPUT is in the PDF FILE (see link below)</h1>\n";        my @stud_info=split(/_END_/,$names_pack[$ind]);
   $new_name_file =~ m/^(.*)\./;        my @tempo_array=split(/:/,$stud_info[0]);
   my $tempo_file = $1.'temporar.ps';        $final_statement='Link to PDF document for <b>'.$tempo_array[3].'</b> ';
   my $name_file = $1.'.pdf';        $status_statement.=$tempo_array[3];
   if ($laystyle eq 'album') {        if ($#stud_info>0) {
       $comma = "psnup -2 -s1.0 $new_name_file";    @tempo_array=split(/:/,$stud_info[-1]);
       system("$comma $tempo_file");     $final_statement.='- <b>'.$tempo_array[3].':</b>  ';
       system("ps2pdf $tempo_file $name_file");    $status_statement.=' -  '.$tempo_array[3];
   } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {        } 
       $comma = 'pstops -pletter "2:0+1(0.5w,0)"';    }
       system("$comma $new_name_file $tempo_file");  &Update_StaWin ($status_statement);
       system("ps2pdf $tempo_file $name_file");    if (-e $texfile) {
   } else {        $texfile =~ m/^(.*)\/([^\/]+)$/; 
       system("ps2pdf $new_name_file $name_file");        my $name_file = $2;
   }            my $path_file = $1.'/';
   my $texlog = $texfile;        chdir $path_file;
   my $texaux = $texfile;        system("latex $name_file 1>/dev/null 2>/dev/null");
   my $texdvi = $texfile;        if ($tableofcontents eq 'yes') {
   my $texps = $texfile;    system("latex $name_file 1>/dev/null 2>/dev/null");
   $texlog =~ s/\.tex/\.log/;        } #to create table of contents
   $texaux =~ s/\.tex/\.aux/;        my $idxname=$name_file;
   $texdvi =~ s/\.tex/\.dvi/;        $idxname=~s/\.tex$/\.idx/;
   $texps =~ s/\.tex/\.ps/;        if ($tableofindex eq 'yes') {
   my @garb = ($texlog,$texaux,$texdvi,$texps);    system("makeindex $idxname");
   #unlink @garb;    system("latex $name_file 1>/dev/null 2>/dev/null");
   unlink $duefile;        } #to create index
   print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";        #Do we have a latex error in the log file?
   print "\n";        my $logfilename = $texfile;
         $logfilename =~ s/\.tex$/\.log/;
         my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
         my @content_of_file = <$temporary_file>;
         close $temporary_file; 
         my $body_log_file = join(' ',@content_of_file);
         $logfilename =~ s/\.log$/\.html/;
         $temporary_file = IO::File->new('>'.$logfilename); 
         print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
         if ($body_log_file=~m/!\s+Emergency stop/) {
     #LaTeX failed to parse tex file 
     print "<h2>LaTeX could not successfully parse your tex file.</h2>";
     print "It probably has errors in it.<br />";
     my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
     my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
     if ($whereitbegins!=-1 and $whereitends!=-1) {
          print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
     }
     print "Here are the error messages in the LaTeX log file</br><br />";
     my $sygnal = 0;
     for (my $i=0;$i<=$#content_of_file;$i++) {
         if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
     $sygnal = 1;
         } 
         if ($content_of_file[$i]=~m/Here is how much of/) {
     $sygnal = 0;
         } 
         if ($sygnal) {
     print "$content_of_file[$i]<br />";
         }  
     }
             if ($advans_role) {  
                 print "<b><big>The link to ";
                 $logfilename=~s/\/home\/httpd//;
         print "<a href=\"$logfilename\">Your log file </a></big></b>";
         print "\n";
                 #link tooriginal LaTeX file (included according Michael Hamlin desire)
         my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
         my @tex_content_of_file = <$tex_temporary_file>;
         close $tex_temporary_file; 
         my $body_tex_file = join(' ',@tex_content_of_file);
         $texfile =~ s/\.tex$/aaaaa\.html/;
         $tex_temporary_file = IO::File->new('>'.$texfile); 
         print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
         print "<br /><br />";
         print "<b><big>The link to ";
         $texfile=~s/\/home\/httpd//;
         print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
         print "\n";
     }
   
         } elsif ($body_log_file=~m/<inserted text>/) {
     my $whereitbegins = index $body_log_file,'<inserted text>';
     print "You are running LaTeX in the <b>batch mode</b>.";
     while ($whereitbegins != -1) {
         my $tempobegin=$whereitbegins;
         $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
         my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
         print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n";
         print "Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.\n";
         $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
     }
     $name_file =~ s/\.tex/\.dvi/;
     my $new_name_file = $name_file;
     $new_name_file =~ s/\.dvi/\.ps/;
     my $comma = "dvips -Ppdf -G0 -o $new_name_file";
     system("$comma $name_file 1>/dev/null 2>/dev/null");
     if (-e $new_name_file) {
         print "<h1>PDF output file (see link below)</h1>\n";
         $new_name_file =~ m/^(.*)\./;
         my $tempo_file = $1.'temporar.ps';
         my $name_file = $1.'.pdf';
         if ($laystyle eq 'album' and $numberofcolumns eq '2') {
     $comma = "psnup -2 -s1.0 $new_name_file";
     system("$comma $tempo_file 1>/dev/null 2>/dev/null"); 
     system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
         } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
     $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
     system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
     system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
         } else {
     system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
         }    
         my $texlog = $texfile;
         my $texaux = $texfile;
         my $texdvi = $texfile;
         my $texps = $texfile;
         $texlog =~ s/\.tex/\.log/;
         $texaux =~ s/\.tex/\.aux/;
         $texdvi =~ s/\.tex/\.dvi/;
         $texps =~ s/\.tex/\.ps/;
         my @garb = ($texaux,$texdvi,$texps);
   #  unlink @garb;
         unlink $duefile;
         print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
         if ($advans_role) {  
     print "<br /><br />";
     print "<b><big>The link to ";
     $logfilename=~s/\/home\/httpd//;
     print "<a href=\"$logfilename\">Your log file </a></big></b>";
     print "\n";
     #link tooriginal LaTeX file (included according Michael Hamlin desire)
     my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
     my @tex_content_of_file = <$tex_temporary_file>;
     close $tex_temporary_file; 
     my $body_tex_file = join(' ',@tex_content_of_file);
     $texfile =~ s/\.tex$/aaaaa\.html/;
     $tex_temporary_file = IO::File->new('>'.$texfile); 
     print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
     print "<br /><br />";
     print "<b><big>The link to ";
     $texfile=~s/\/home\/httpd//;
     print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
     print "\n";
         }
     }
         } else {
     #LaTeX successfully parsed tex file 
     $name_file =~ s/\.tex/\.dvi/;
     my $new_name_file = $name_file;
     $new_name_file =~ s/\.dvi/\.ps/;
     my $comma = "dvips -Ppdf -G0 -o $new_name_file";
     system("$comma $name_file 1>/dev/null 2>/dev/null");
     if (-e $new_name_file) {
         print "<br />$final_statement ";
         $new_name_file =~ m/^(.*)\./;
         my $tempo_file = $1.'temporar.ps';
         my $name_file = $1.'.pdf';
         if ($laystyle eq 'album' and $numberofcolumns eq '2') {
     $comma = "psnup -2 -s1.0 $new_name_file";
     system("$comma $tempo_file 1>/dev/null 2>/dev/null"); 
     system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
         } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
     $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
     system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
     system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
         } else {
     system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
         }    
         my $texlog = $texfile;
         my $texaux = $texfile;
         my $texdvi = $texfile;
         my $texps = $texfile;
         $texlog =~ s/\.tex/\.log/;
         $texaux =~ s/\.tex/\.aux/;
         $texdvi =~ s/\.tex/\.dvi/;
         $texps =~ s/\.tex/\.ps/;
         my @garb = ($texlog,$texaux,$texdvi,$texps);
   #  unlink @garb;
         unlink $duefile;
         print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
         print "\n";
     }
       }        }
     } else {
         print "LaTeX file $texfile was not created successfully";
   }    }
   }
   print "<br />";
   if ($number_of_files>1) {
       my $zipfile=$texfile[0];
       $zipfile=~s/\.tex/\.zip/;
       my $statement="zip $zipfile";
       foreach my $file (@texfile) {
    $file=~s/\.tex/.\pdf/;
    $statement.=' '.$file; 
       }
       system("$statement");
       $zipfile=~s/\/home\/httpd//;
       print "<br /> <a href=\"$zipfile\">Your ZIP file is here</a>";
   }
   &Close_StatWin();
   
   
   sub Create_StatWin {
       my ($title, $heading)=@_;
       print('<script>'.
       "popwin=window.open('','popwin','width=400,height=100');".
       "popwin.document.writeln('<html><head><title>$title</title></head>".
         "<body bgcolor=\"#88DDFF\">".
                 "<h4>$heading</h4>".
                 "<form name=popremain>".
                 '<input type="text" size="55" name="remaining" value="'.
         'Starting'.'"></form>'.
                 "</body></html>');".
       "popwin.document.close();".
       "</script>");
   }
   
   sub Update_StaWin {
       my ($info)=@_;
       print('<script>popwin.document.popremain.remaining.value="'.
         $info.'";'.'</script>');
   }
      
   sub Close_StatWin {
       print('<script>popwin.window.close()</script>'."\n");
   
     }
   
   
   
Removed from v.1.19  
changed lines
  Added in v.1.45

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