--- loncom/interface/printout.pl 2002/03/06 20:43:47 1.4
+++ loncom/interface/printout.pl 2003/09/01 03:30:57 1.37
@@ -1,38 +1,251 @@
#!/usr/bin/perl
-print "Content-type: text/html\n\n";
-print "\n";
-print "OUTPUT is in the PDF FILE below
\n";
-my ($texfile,$laystyle) = split(/&/,$ENV{'QUERY_STRING'});
-
-print "$texfile\n";
- $_ = $texfile;
- m/^(.*)\/([^\/]+)$/;
-my $name_file = $2;
-my $path_file = $1.'/';
- chdir $path_file;
- system("latex $name_file 1>/dev/null 2>/dev/null");
- $name_file =~ s/\.tex/\.dvi/;
-my $new_name_file = $name_file;
- $new_name_file =~ s/\.dvi/\.ps/;
-my $comma = "dvips -o $new_name_file";
- system("$comma $name_file");
- $_ = $new_name_file;
- m/^(.*)\./;
-my $tempo_file = $1.'temporar.ps';
-my $name_file = $1.'.pdf';
-if ($laystyle eq 'album') {
- $comma = "psnup -2 -s1.0 $new_name_file";
- system("$comma $tempo_file");
- system("ps2pdf $tempo_file $name_file");
-} elsif ($laystyle eq 'book') {
- system("ps2pdf $new_name_file $name_file");
-}
+# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
+#
+# $Id: printout.pl,v 1.37 2003/09/01 03:30:57 albertel Exp $
+#
+# 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 IO::File;
+use Image::Magick;
+ print "Content-type: text/html\n\n";
+ print "\n";
+ 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;
+ $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
+ my $duefile = $texfile;
+ $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
+ #do we have figures?
+ if (-e $figfile) {
+ my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
+ my @content_of_file = <$temporary_file>;
+ close $temporary_file;
+ my $noteps;
+ foreach $not_eps (@content_of_file) {
+ if ($not_eps ne '') {
+ my $eps_f = $not_eps;
+ $eps_f =~ s/\.[^.]*$/\.eps/i;
+ $_ = $eps_f;
+ m/\/([^\/]+)$/;
+ $eps_f = '/home/httpd/prtspool/'.$1;
+ my $image = Image::Magick->new;
+ $not_eps =~ s/^\s+//;
+ $not_eps =~ s/\s+$//;
+ $status = $image->Read($not_eps);
+ if ($status) {print " $status ";}
+ $image->Set(page => '+100+200');
+ $status = $image->Write($eps_f);
+ 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
+ if (-e $texfile) {
+ $texfile =~ m/^(.*)\/([^\/]+)$/;
+ my $name_file = $2;
+ my $path_file = $1.'/';
+ chdir $path_file;
+ system("latex $name_file 1>/dev/null 2>/dev/null");
+ if ($selectionmade>=10) {system("latex $name_file 1>/dev/null 2>/dev/null");} #to create table of contents
+ my $idxname=$name_file;
+ $idxname=~s/\.tex$/\.idx/;
+ if ($selectionmade>=100) {
+ system("makeindex $idxname");
+ system("latex $name_file 1>/dev/null 2>/dev/null");
+ } #to create index
+ #Do we have a latex error in the log file?
+ 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 $temporary_file 'LOGFILE'.$body_log_file.'
'."\n";
+ if ($body_log_file=~m/!\s+Emergency stop/) {
+ #LaTeX failed to parse tex file
+ print "LaTeX could not successfully parse your tex file.
";
+ print "It probably has errors in it.
";
+ 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)."
";
+ }
+ print "Here are the error messages in the LaTeX log file
";
+ 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]
";
+ }
+ }
+ if ($advans_role) {
+ print "The link to ";
+ $logfilename=~s/\/home\/httpd//;
+ print "Your log file ";
+ 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 $tex_temporary_file 'LOGFILE'.$body_tex_file.'
'."\n";
+ print "
";
+ print "The link to ";
+ $texfile=~s/\/home\/httpd//;
+ print "Your original LaTeX file ";
+ print "\n";
+ }
+
+ } elsif ($body_log_file=~m//) {
+ my $whereitbegins = index $body_log_file,'';
+ print "You are running LaTeX in the batch mode.";
+ while ($whereitbegins != -1) {
+ my $tempobegin=$whereitbegins;
+ $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
+ my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
+ print "
It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."
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 $body_log_file,'',$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 "PDF output file (see link below)
\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 $duefile;
+ print "Your PDF document";
+ if ($advans_role) {
+ print "
";
+ print "The link to ";
+ $logfilename=~s/\/home\/httpd//;
+ print "Your log file ";
+ 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 $tex_temporary_file 'LOGFILE'.$body_tex_file.'
'."\n";
+ print "
";
+ print "The link to ";
+ $texfile=~s/\/home\/httpd//;
+ print "Your original LaTeX file ";
+ 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 "Successfully created PDF output file (see link below)
\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 "Your PDF document";
+ print "\n";
+ }
+ }
+ } else {
+ print "LaTeX file $texfile was not created successfully";
+ }
-
-
-print "Your PDF document\n";
-print "\n";
+