version 1.15, 2002/08/12 18:07:20
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version 1.37, 2003/09/01 03:30:57
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#!/usr/bin/perl |
#!/usr/bin/perl |
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# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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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) = split(/&/,$ENV{'QUERY_STRING'}); |
my ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'}); |
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my $advans_role=0; |
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if ($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 = $texfile; |
Line 29 use Image::Magick;
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Line 58 use Image::Magick;
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$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 ";} |
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#check is eps exist in prtspool |
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if(not -e $eps_f) { |
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for (my $i=0;$i<10000;$i++) { |
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if (-e $eps_f.'.'.$i) { |
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rename $eps_f.'.'.$i, $eps_f; |
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last; |
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} |
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} |
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} |
} |
} |
} |
} |
unlink $figfile; |
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; |
$name_file =~ s/\.tex/\.dvi/; |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
if (-e $name_file) { |
if ($selectionmade>=10) {system("latex $name_file 1>/dev/null 2>/dev/null");} #to create table of contents |
#if dvi file exist = LaTeX successfully parsed tex file |
my $idxname=$name_file; |
print "<h1>OUTPUT is in the PDF FILE (see link below)</h1>\n"; |
$idxname=~s/\.tex$/\.idx/; |
my $new_name_file = $name_file; |
if ($selectionmade>=100) { |
$new_name_file =~ s/\.dvi/\.ps/; |
system("makeindex $idxname"); |
my $comma = "dvips -o $new_name_file"; |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
system("$comma $name_file"); |
} #to create index |
$_ = $new_name_file; |
#Do we have a latex error in the log file? |
m/^(.*)\./; |
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my $tempo_file = $1.'temporar.ps'; |
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my $name_file = $1.'.pdf'; |
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if ($laystyle eq 'album') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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system("$comma $tempo_file"); |
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system("ps2pdf $tempo_file $name_file"); |
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} elsif ($laystyle eq 'book') { |
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system("ps2pdf $new_name_file $name_file"); |
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} |
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my $texlog = $texfile; |
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my $texaux = $texfile; |
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my $texdvi = $texfile; |
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my $texps = $texfile; |
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$texlog =~ s/\.tex/\.log/; |
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$texaux =~ s/\.tex/\.aux/; |
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$texdvi =~ s/\.tex/\.dvi/; |
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$texps =~ s/\.tex/\.ps/; |
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my @garb = ($texlog,$texaux,$texdvi,$texps); |
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unlink @garb; |
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unlink $duefile; |
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print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
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print "\n"; |
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} else { |
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print "<h1>LaTeX could not successfully parse your tex file.</h1>"; |
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print "<h2>It probably has errors in it.</h2>"; |
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my $logfilename = $texfile; |
my $logfilename = $texfile; |
$logfilename =~ s/\.tex$/\.log/; |
$logfilename =~ s/\.tex$/\.log/; |
if (-e $logfilename) { |
my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; |
#if dvi file does not exist = LaTeX failed to parse tex file |
my @content_of_file = <$temporary_file>; |
print "Her are the error messages in the LaTeX log file</br>"; |
close $temporary_file; |
my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; |
my $body_log_file = join(' ',@content_of_file); |
my @content_of_file = <$temporary_file>; |
$logfilename =~ s/\.log$/\.html/; |
close $temporary_file; |
$temporary_file = IO::File->new('>'.$logfilename); |
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print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
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if ($body_log_file=~m/!\s+Emergency stop/) { |
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#LaTeX failed to parse tex file |
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print "<h2>LaTeX could not successfully parse your tex file.</h2>"; |
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print "It probably has errors in it.<br />"; |
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my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
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my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
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if ($whereitbegins!=-1 and $whereitends!=-1) { |
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print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />"; |
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} |
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print "Here are the error messages in the LaTeX log file</br><br />"; |
my $sygnal = 0; |
my $sygnal = 0; |
for (my $i=0;$i<=$#content_of_file;$i++) { |
for (my $i=0;$i<=$#content_of_file;$i++) { |
if ($content_of_file[$i]=~m/^!/) { |
if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
$sygnal = 1; |
$sygnal = 1; |
} |
} |
if ($content_of_file[$i]=~m/Here is how much of/) { |
if ($content_of_file[$i]=~m/Here is how much of/) { |
Line 92 use Image::Magick;
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Line 115 use Image::Magick;
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} |
} |
if ($sygnal) { |
if ($sygnal) { |
print "$content_of_file[$i]<br />"; |
print "$content_of_file[$i]<br />"; |
} |
} |
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} |
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if ($advans_role) { |
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print "<b><big>The link to "; |
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$logfilename=~s/\/home\/httpd//; |
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print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
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print "\n"; |
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#link tooriginal LaTeX file (included according Michael Hamlin desire) |
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my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
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my @tex_content_of_file = <$tex_temporary_file>; |
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close $tex_temporary_file; |
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my $body_tex_file = join(' ',@tex_content_of_file); |
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$texfile =~ s/\.tex$/aaaaa\.html/; |
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$tex_temporary_file = IO::File->new('>'.$texfile); |
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print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$texfile=~s/\/home\/httpd//; |
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print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
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print "\n"; |
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} |
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} |
} elsif ($body_log_file=~m/<inserted text>/) { |
# my $content_file_string = join(' ',@content_of_file); |
my $whereitbegins = index $body_log_file,'<inserted text>'; |
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print "You are running LaTeX in the <b>batch mode</b>."; |
# print "$content_file_string\n"; |
while ($whereitbegins != -1) { |
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my $tempobegin=$whereitbegins; |
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$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
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my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; |
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print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n"; |
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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"; |
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$whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; |
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} |
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$name_file =~ s/\.tex/\.dvi/; |
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my $new_name_file = $name_file; |
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$new_name_file =~ s/\.dvi/\.ps/; |
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my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
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system("$comma $name_file 1>/dev/null 2>/dev/null"); |
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if (-e $new_name_file) { |
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print "<h1>PDF output file (see link below)</h1>\n"; |
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$new_name_file =~ m/^(.*)\./; |
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my $tempo_file = $1.'temporar.ps'; |
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my $name_file = $1.'.pdf'; |
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if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
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$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
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system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} else { |
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system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
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} |
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my $texlog = $texfile; |
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my $texaux = $texfile; |
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my $texdvi = $texfile; |
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my $texps = $texfile; |
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$texlog =~ s/\.tex/\.log/; |
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$texaux =~ s/\.tex/\.aux/; |
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$texdvi =~ s/\.tex/\.dvi/; |
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$texps =~ s/\.tex/\.ps/; |
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my @garb = ($texaux,$texdvi,$texps); |
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# unlink @garb; |
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unlink $duefile; |
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print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
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if ($advans_role) { |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$logfilename=~s/\/home\/httpd//; |
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print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
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print "\n"; |
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#link tooriginal LaTeX file (included according Michael Hamlin desire) |
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my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
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my @tex_content_of_file = <$tex_temporary_file>; |
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close $tex_temporary_file; |
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my $body_tex_file = join(' ',@tex_content_of_file); |
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$texfile =~ s/\.tex$/aaaaa\.html/; |
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$tex_temporary_file = IO::File->new('>'.$texfile); |
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print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$texfile=~s/\/home\/httpd//; |
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print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
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print "\n"; |
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} |
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} |
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} else { |
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#LaTeX successfully parsed tex file |
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$name_file =~ s/\.tex/\.dvi/; |
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my $new_name_file = $name_file; |
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$new_name_file =~ s/\.dvi/\.ps/; |
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my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
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system("$comma $name_file 1>/dev/null 2>/dev/null"); |
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if (-e $new_name_file) { |
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print "<h1>Successfully created PDF output file (see link below)</h1>\n"; |
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$new_name_file =~ m/^(.*)\./; |
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my $tempo_file = $1.'temporar.ps'; |
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my $name_file = $1.'.pdf'; |
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if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
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$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
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system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
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system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
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} else { |
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system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
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} |
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my $texlog = $texfile; |
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my $texaux = $texfile; |
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my $texdvi = $texfile; |
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my $texps = $texfile; |
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$texlog =~ s/\.tex/\.log/; |
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$texaux =~ s/\.tex/\.aux/; |
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$texdvi =~ s/\.tex/\.dvi/; |
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$texps =~ s/\.tex/\.ps/; |
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my @garb = ($texlog,$texaux,$texdvi,$texps); |
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# unlink @garb; |
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unlink $duefile; |
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print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
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print "\n"; |
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} |
} |
} |
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} else { |
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print "LaTeX file $texfile was not created successfully"; |
} |
} |
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