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Diff for /loncom/interface/printout.pl between versions 1.18 and 1.38

version 1.18, 2002/08/14 20:38:52 version 1.38, 2003/10/16 15:30:43
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 File::Path;
 use IO::File;  use IO::File;
 use Image::Magick;  use Image::Magick;
  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 ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'});
     my $advans_role=0;
     if ($selectionmade>=10000) {$selectionmade=$selectionmade/10000; $advans_role=1;}
   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;
Line 19  use Image::Magick; Line 49  use Image::Magick;
       my $eps_f = $not_eps;        my $eps_f = $not_eps;
       $eps_f =~ s/\.[^.]*$/\.eps/i;        $eps_f =~ s/\.[^.]*$/\.eps/i;
       $_ = $eps_f;        $_ = $eps_f;
       m/\/([^\/]+)$/;        m/\/home\/httpd\/html\/res\/(.+)/;
       $eps_f = '/home/httpd/prtspool/'.$1;        $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+//;
       $not_eps =~ s/\s+$//;        $not_eps =~ s/\s+$//;
Line 29  use Image::Magick; Line 62  use Image::Magick;
       $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 $figfile;  
   }    }
   #print "$texfile\n"; #name of the tex file for debugging only    #print "$texfile\n"; #name of the tex file for debugging only
   $texfile =~ m/^(.*)\/([^\/]+)$/;     if (-e $texfile) {
   my $name_file = $2;        $texfile =~ m/^(.*)\/([^\/]+)$/; 
   my $path_file = $1.'/';        my $name_file = $2;
   chdir $path_file;        my $path_file = $1.'/';
   system("latex $name_file 1>/dev/null 2>/dev/null");        chdir $path_file;
   #Do we have a latex error in the log file?        system("latex $name_file 1>/dev/null 2>/dev/null");
   my $logfilename = $texfile;        if ($selectionmade>=10) {system("latex $name_file 1>/dev/null 2>/dev/null");} #to create table of contents
   $logfilename =~ s/\.tex$/\.log/;        my $idxname=$name_file;
   my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";        $idxname=~s/\.tex$/\.idx/;
   my @content_of_file = <$temporary_file>;        if ($selectionmade>=100) {
   close $temporary_file;     system("makeindex $idxname");
   my $body_log_file = join(' ',@content_of_file);     system("latex $name_file 1>/dev/null 2>/dev/null");
   if ($body_log_file=~m/!\s+Emergency stop/) {        } #to create index
       #LaTeX failed to parse tex file         #Do we have a latex error in the log file?
       print "<h1>LaTeX could not successfully parse your tex file.</h1>";        my $logfilename = $texfile;
       print "<h2>It probably has errors in it.</h2>";        $logfilename =~ s/\.tex$/\.log/;
       print "Here are the error messages in the LaTeX log file</br>";        my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
       my $sygnal = 0;        my @content_of_file = <$temporary_file>;
       for (my $i=0;$i<=$#content_of_file;$i++) {        close $temporary_file; 
   if ($content_of_file[$i]=~m/^!/) {        my $body_log_file = join(' ',@content_of_file);
       $sygnal = 1;        $logfilename =~ s/\.log$/\.html/;
   }         $temporary_file = IO::File->new('>'.$logfilename); 
   if ($content_of_file[$i]=~m/Here is how much of/) {        print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
       $sygnal = 0;        if ($body_log_file=~m/!\s+Emergency stop/) {
   }     #LaTeX failed to parse tex file 
   if ($sygnal) {    print "<h2>LaTeX could not successfully parse your tex file.</h2>";
       print "$content_of_file[$i]<br />";    print "It probably has errors in it.<br />";
   }      my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
       }     my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
   } else {    if ($whereitbegins!=-1 and $whereitends!=-1) {
       #LaTeX successfully parsed tex file         print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
       $name_file =~ s/\.tex/\.dvi/;    }
       my $new_name_file = $name_file;    print "Here are the error messages in the LaTeX log file</br><br />";
       $new_name_file =~ s/\.dvi/\.ps/;    my $sygnal = 0;
       my $comma = "dvips -o $new_name_file";    for (my $i=0;$i<=$#content_of_file;$i++) {
       system("$comma $name_file");        if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
       if (-e $new_name_file) {    $sygnal = 1;
   print "<h1>OUTPUT is in the PDF FILE (see link below)</h1>\n";        } 
   $new_name_file =~ m/^(.*)\./;        if ($content_of_file[$i]=~m/Here is how much of/) {
   my $tempo_file = $1.'temporar.ps';    $sygnal = 0;
   my $name_file = $1.'.pdf';        } 
   if ($laystyle eq 'album') {        if ($sygnal) {
       $comma = "psnup -2 -s1.0 $new_name_file";    print "$content_of_file[$i]<br />";
       system("$comma $tempo_file");         }  
       system("ps2pdf $tempo_file $name_file");    }
   } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {            if ($advans_role) {  
       $comma = 'pstops "2:0+1(0.5w,0)"';                print "<b><big>The link to ";
       system("$comma $new_name_file $tempo_file");                $logfilename=~s/\/home\/httpd//;
       system("ps2pdf $tempo_file $name_file");        print "<a href=\"$logfilename\">Your log file </a></big></b>";
   } else {        print "\n";
       system("ps2pdf $new_name_file $name_file");                #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 $texlog = $texfile;        my @tex_content_of_file = <$tex_temporary_file>;
   my $texaux = $texfile;        close $tex_temporary_file; 
   my $texdvi = $texfile;        my $body_tex_file = join(' ',@tex_content_of_file);
   my $texps = $texfile;        $texfile =~ s/\.tex$/aaaaa\.html/;
   $texlog =~ s/\.tex/\.log/;        $tex_temporary_file = IO::File->new('>'.$texfile); 
   $texaux =~ s/\.tex/\.aux/;        print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
   $texdvi =~ s/\.tex/\.dvi/;        print "<br /><br />";
   $texps =~ s/\.tex/\.ps/;        print "<b><big>The link to ";
   my @garb = ($texlog,$texaux,$texdvi,$texps);        $texfile=~s/\/home\/httpd//;
   #unlink @garb;        print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
   unlink $duefile;        print "\n";
   print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";    }
   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 "<h1>Successfully created 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/;
         $texps =~ s/\.tex/\.ps/;
         my @garb = ($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";
   }    }
   
   
Removed from v.1.18  
changed lines
  Added in v.1.38

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