--- loncom/interface/printout.pl 2002/08/14 20:38:52 1.18 +++ loncom/interface/printout.pl 2004/03/15 19:26:49 1.40.2.3 @@ -1,9 +1,67 @@ #!/usr/bin/perl +# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. +# +# $Id: printout.pl,v 1.40.2.3 2004/03/15 19:26:49 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 lib '/home/httpd/lib/perl'; +use LONCAPA::loncgi(); +use File::Path; use IO::File; use Image::Magick; + +my %origENV=%ENV; +if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { + print < +Bad Cookie + +Your cookie information is incorrect. + + +END + return; +} + print "Content-type: text/html\n\n"; print "\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'}; + + #got what we needed reset ENV in case it is to big for system + %ENV=%origENV; + my $figfile = $texfile; $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; my $duefile = $texfile; @@ -16,11 +74,19 @@ use Image::Magick; my $noteps; foreach $not_eps (@content_of_file) { if ($not_eps ne '') { + $not_eps=~s|\/\.\/|\/|g; my $eps_f = $not_eps; $eps_f =~ s/\.[^.]*$/\.eps/i; - $_ = $eps_f; - m/\/([^\/]+)$/; - $eps_f = '/home/httpd/prtspool/'.$1; + if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { + $eps_f=~s/\/home\/([^\/]+)\/public_html/$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; $not_eps =~ s/^\s+//; $not_eps =~ s/\s+$//; @@ -29,77 +95,191 @@ use Image::Magick; $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 - $texfile =~ m/^(.*)\/([^\/]+)$/; - my $name_file = $2; - my $path_file = $1.'/'; - chdir $path_file; - system("latex $name_file 1>/dev/null 2>/dev/null"); - #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 $body_log_file = join(' ',@content_of_file); - if ($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.

"; - 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/^!/) { - $sygnal = 1; - } - if ($content_of_file[$i]=~m/Here is how much of/) { - $sygnal = 0; - } - if ($sygnal) { - print "$content_of_file[$i]
"; - } - } - } 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 -o $new_name_file"; - system("$comma $name_file"); - if (-e $new_name_file) { - print "

OUTPUT is in the PDF FILE (see link below)

\n"; - $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' and $numberofcolumns eq '2') { - $comma = 'pstops "2:0+1(0.5w,0)"'; - system("$comma $new_name_file $tempo_file"); - system("ps2pdf $tempo_file $name_file"); - } else { - system("ps2pdf $new_name_file $name_file"); - } - 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"; + if (-e $texfile) { + $texfile =~ m/^(.*)\/([^\/]+)$/; + my $name_file = $2; + my $path_file = $1.'/'; + chdir $path_file; + system("latex $name_file 1>/dev/null 2>/dev/null"); + if ($tableofcontents eq 'yes') { + system("latex $name_file 1>/dev/null 2>/dev/null"); + } #to create table of contents + my $idxname=$name_file; + $idxname=~s/\.tex$/\.idx/; + if ($tableofindex eq 'yes') { + 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"; }