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version 1.38, 2003/10/16 15:30:43
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version 1.117, 2006/12/18 11:34:55
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| #!/usr/bin/perl |
#!/usr/bin/perl |
| # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
| # |
# |
| # $Id$ |
|
| # |
# |
| # Copyright Michigan State University Board of Trustees |
# Copyright Michigan State University Board of Trustees |
| # |
# |
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| # http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
| # |
# |
| |
|
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use lib '/home/httpd/lib/perl'; |
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use LONCAPA::loncgi; |
| use File::Path; |
use File::Path; |
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use File::Basename; |
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use File::Copy; |
| use IO::File; |
use IO::File; |
| use Image::Magick; |
use Image::Magick; |
| print "Content-type: text/html\n\n"; |
use Apache::lonhtmlcommon(); |
| print "<body bgcolor=\"#FFFFFF\">\n"; |
use Apache::lonnet; |
| my ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'}); |
use Apache::loncommon(); |
| my $advans_role=0; |
use Apache::lonlocal; |
| if ($selectionmade>=10000) {$selectionmade=$selectionmade/10000; $advans_role=1;} |
use Apache::lonmsg(); |
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use LONCAPA::Enrollment; |
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|
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use strict; |
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|
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|
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# Determine if a user is operating as a student for this course/domain. |
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#Parameters: |
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# none |
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#Implicit: |
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# $env{request.role} contains the role under which this user operated this |
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# this request. |
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sub is_student { |
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return ($env{'request.role'}=~/^st\./); |
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} |
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|
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# |
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# Debugging: Dump the environment for debugging. |
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# |
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sub dumpenv { |
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print "<br />-------------------<br />"; |
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foreach my $key (sort (keys %env)) { |
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print "<br />$key -> $env{$key}"; |
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} |
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print "<br />-------------------<br />"; |
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} |
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|
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# |
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# This sub sends a message to the appropriate person if there was an error |
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# rendering the latex At present, there's only one case to consider: |
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# a student printing inside a course results in messages to the course coordinator. |
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#Parmaeters: |
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# identifier - The unique identifier of this cgi request. |
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# badresource- Filepath to most likely failing |
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# logfile - The contents of the log file (included in the message). |
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# texfile - reference to an array containing the LaTeX input file |
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# (included in the message). |
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#Implicit inputs: |
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# From the environment: |
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# cgi.$identifier.user - User doing the printing. |
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# cgi.$identifier.domain - Domain the user is logged in on with printing. |
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# cgi.$identifier.courseid - Id of the course (if this is a course). |
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# cgi.$identifier.coursedom- Domain in which course was constituted. |
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# cgi.$identifier.resources - List of resource URL's for which the print |
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# was attempted. |
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# |
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sub send_error_mail { |
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my ($identifier, $badresource, $logfile, $texfile) = @_; |
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my $user = $env{"cgi.$identifier.user"}; |
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my $domain = $env{"cgi.$identifier.domain"}; |
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my $courseid = $env{"cgi.$identifier.courseid"}; |
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my $coursedom= $env{"cgi.$identifier.coursedom"}; |
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my $resources= $env{"cgi.$identifier.resources"}; |
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|
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# resource file->URL |
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# |
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my $badurl = &Apache::lonnet::declutter($badresource); |
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|
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# &dumpenv(); |
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|
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|
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|
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# Only continue if there is a user, domain, courseid, course domain |
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# and resources: |
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|
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if(defined($user) && defined($domain) && defined($courseid) && |
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defined($coursedom) && defined($resources) ){ |
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|
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# Only mail if the conditions are ripe for it: |
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# The user is a student in the course: |
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# |
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|
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if (&is_student()) { |
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# build the subject and message body: |
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# print "sending message to course coordinators.<br />"; |
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|
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# Todo: Convert badurl into a url from file path: |
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|
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my $subject = "Error [$badurl] Print failed for $user".'@'.$domain; |
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my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n"; |
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$message .= " User was attempting to print: \n"; |
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foreach my $resource (split(/:/,$resources)) { |
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$message .= " $resource\n"; |
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} |
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$message .= "--------------------LaTeX logfile:------------ \n"; |
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$message .= $logfile; |
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$message .= "-----------------LaTeX source file: ------------\n"; |
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|
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foreach my $line (@$texfile) { |
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$message .= "$line\n"; |
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} |
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my (undef, %receivers) = &Apache::lonfeedback::decide_receiver(undef, 0, |
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1,1,1); |
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# print "<br /> sending...section: $env{'request.course.sec'}"; |
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foreach my $dest (keys %receivers) { |
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# print "<br /> dest is $dest"; |
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my @destinfo = split(/:/,$dest); |
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my $user = $destinfo[0]; |
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my $dom = $destinfo[1]; |
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|
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&Apache::lonmsg::user_normal_msg($user, $dom, |
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$subject, $message); |
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|
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# No point in looking at the return status as there's no good |
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# error action I can think of right now (log maybe?). |
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} |
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} |
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} |
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} |
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|
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$|=1; |
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if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { |
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print <<END; |
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Content-type: text/html |
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|
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<html> |
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<head><title>Bad Cookie</title></head> |
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<body> |
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Your cookie information is incorrect. |
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</body> |
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</html> |
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END |
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return; |
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} |
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&Apache::lonlocal::get_language_handle(); |
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&Apache::loncommon::content_type(undef,'text/html'); |
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|
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print(&Apache::loncommon::start_page('Creating PDF')); |
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|
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my $identifier = $ENV{'QUERY_STRING'}; |
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my $texfile = $env{'cgi.'.$identifier.'.file'}; |
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my $laystyle = $env{'cgi.'.$identifier.'.layout'}; |
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my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'}; |
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my $paper = $env{'cgi.'.$identifier.'.paper'}; |
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my $selectionmade = $env{'cgi.'.$identifier.'.selection'}; |
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my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'}; |
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my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'}; |
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my $advanced_role = $env{'cgi.'.$identifier.'.role'}; |
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my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1; |
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my $student_names = $env{'cgi.'.$identifier.'.studentnames'}; |
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my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'}); |
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|
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|
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my @names_pack=(); |
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if ($student_names=~/_END_/) { |
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@names_pack=split(/_ENDPERSON_/,$student_names); |
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} |
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|
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print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />"; |
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|
| 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? |
| |
# print "Figure file: $figfile\n"; |
| if (-e $figfile) { |
if (-e $figfile) { |
| my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; |
# print "$figfile exists\n"; |
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my %done_conversion; |
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my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile 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; |
| foreach $not_eps (@content_of_file) { |
my %prog_state; |
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if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); } |
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print('<br />'); |
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foreach my $not_eps (@content_of_file) { |
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chomp($not_eps); |
| if ($not_eps ne '') { |
if ($not_eps ne '') { |
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# print "Converting $not_eps"; # Debugging. |
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my $status_statement='EPS picture for '.$not_eps; |
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# print "$status_statement\n"; |
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$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/\/home\/httpd\/html\/res\/(.+)/; |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
| $eps_f = '/home/httpd/prtspool/'.$1; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
| my $path=$eps_f; |
} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\//) { |
| $path=~s/\/([^\/]+)\.eps$//; |
$eps_f=~m/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/(.+)/; |
| File::Path::mkpath($path,0,0777); |
$eps_f = '/home/httpd/prtspool/'.$1; |
| my $image = Image::Magick->new; |
} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\//) { |
| $not_eps =~ s/^\s+//; |
$eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/; |
| $not_eps =~ s/\s+$//; |
$eps_f = '/home/httpd/prtspool/'.$1.'/'.$2; |
| $status = $image->Read($not_eps); |
} |
| if ($status) {print " $status ";} |
$eps_f =~ s/ /\_/g; # Spaces are problematic for system commands and LaTeX. |
| $image->Set(page => '+100+200'); |
# |
| $status = $image->Write($eps_f); |
# If the file is already an .eps or .ps file, |
| if ($status) {print " $status ";} |
# We really just need to copy it from where it was to prtspool |
| #check is eps exist in prtspool |
# but with the spaces substituted to _'s. |
| if(not -e $eps_f) { |
# |
| for (my $i=0;$i<10000;$i++) { |
my ($nsname,$path, $sext) = &fileparse($eps_f, qr/\.(ps|eps)/i); |
| if (-e $eps_f.'.'.$i) { |
if ($sext =~/ps$/i) { |
| rename $eps_f.'.'.$i, $eps_f; |
# print "$not_eps is a postscript file. copy to $path\n"; |
| last; |
&File::Path::mkpath($path,0,0777); |
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#print("Made path: $path"); |
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#$not_eps =~ s/^\s+//; |
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#$not_eps =~ s/\s+$//; |
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#$not_eps =~ s/ /\__/g; |
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#print("Copying $not_eps to $eps_f\n"); |
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copy("$not_eps", "$eps_f"); |
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# print "Copy complete\n"; |
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} else { |
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|
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$eps_f .= '.eps'; # Just append the eps ext. |
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my $path=$eps_f; |
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$path =~ s/\/([^\/]+)\.eps$//; |
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# print "Final file path: $path "; # Debugging |
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&File::Path::mkpath($path,0,0777); |
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$not_eps =~ s/^\s+//; |
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$not_eps =~ s/\s+$//; |
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$not_eps =~ s/ /\\ /g; |
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if ( exists($done_conversion{$not_eps})) { next; } |
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if ($advanced_role) { |
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my $prettyname=$not_eps; |
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$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
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$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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'Converting to EPS '.$prettyname); |
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} |
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$done_conversion{$not_eps}=1; |
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# print "Converting $not_eps -> $eps_f"; # Debugging |
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system("convert $not_eps $eps_f"); |
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# check is eps exist in prtspool |
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if (not -e $eps_f) { |
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# converting an animated gif creates either: |
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# anim.gif.eps.0 |
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# or |
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# anim.gif-0.eps |
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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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my $anim_eps = $eps_f; |
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$anim_eps =~ s/(\.[^.]*)\.eps$/$1-$i\.eps/i; |
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if (-e $anim_eps) { |
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rename($anim_eps, $eps_f); |
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last; |
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} |
| } |
} |
| } |
} |
| } |
|
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# imagemagick 6.2.0-6.2.7 fails to properly handle |
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# convert anim.gif anim.gif.eps |
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# it creates anim.eps instead. |
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if (not -e $eps_f) { |
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my $eps_f2 = $eps_f; |
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$eps_f2 =~ s/\.[^.]*\.eps$/\.eps/i; |
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if(-e $eps_f2) { |
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rename($eps_f2,$eps_f); |
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} |
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} |
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} |
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|
| } |
} |
| } |
} |
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if ($advanced_role) { |
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&Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); |
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} |
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unlink($figfile); |
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} |
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#print "$texfile\n"; #name of the tex file for debugging only |
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my @texfile=($texfile); |
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if ($number_of_files>1) { |
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@texfile=(); |
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for (my $i=1;$i<=$number_of_files;$i++) { |
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my $new_texfile=$texfile; |
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$new_texfile=~s/\.tex//; |
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$new_texfile = sprintf("%s_%03d.tex", $new_texfile,$i); |
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push @texfile,$new_texfile; |
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} |
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} |
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|
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my $ind=-1; |
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my %prog_state; |
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if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
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print "<br />"; |
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my $num_files = @texfile; |
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foreach $texfile (@texfile) { |
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my $status_statement=''; |
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my $link_text='download PDF'; |
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$ind++; |
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my @stud_info=split(/_END_/,$names_pack[$ind]); |
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my @tempo_array=split(/:/,$stud_info[0]); |
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my $name; |
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my $name_range=''; |
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if ($tempo_array[3]) { |
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$name=$tempo_array[3]; |
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($name_range) = split(/,/,$name, 2); |
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} else { |
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$name=$tempo_array[0].'@'.$tempo_array[1]; |
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$name_range = $tempo_array[0]; |
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} |
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if (($name ne "") && ($name ne '@') ) { # Could be printing codes... |
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$link_text='<b>'.$name.'</b>'; |
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$status_statement.=$name; |
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} |
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if ($#stud_info>0) { |
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@tempo_array=split(/:/,$stud_info[-1]); |
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if ($tempo_array[3]) { |
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$name=$tempo_array[3]; |
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my ($lastname) = split(/,/, $name,2); |
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$name_range .= "-".$lastname; |
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} else { |
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$name=$tempo_array[0].'@'.$tempo_array[1]; |
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$name_range .= '-'.$tempo_array[0]; |
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} |
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if (($name ne "") && ($name ne '@')) { |
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$link_text.=' - <b>'.$name.'</b>'; |
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$status_statement.=' - '.$name; |
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|
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} |
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} |
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if(($num_files > 1) && ($link_text eq 'download PDF')) { # Printing codes |
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$link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>'; |
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$status_statement .= basename($texfile); |
| } |
} |
| #print "$texfile\n"; #name of the tex file for debugging only |
$name_range =~ s/'//g; # O'Neil -> ONeil e.g. |
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print "<br/>"; |
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if ($advanced_role) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
| |
# This little piece of dirt puts username ranges into the original tex |
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# Tex filename from which they'll propagate into the other filenames as well. |
| |
# |
| if (-e $texfile) { |
if (-e $texfile) { |
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if (($name_range ne '') && ($num_files > 1)) { |
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my $newtexfile = $texfile; |
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$newtexfile =~ s/\.tex/$name_range\.tex/; |
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rename($texfile, $newtexfile); |
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$texfile = $newtexfile; |
| |
} |
| $texfile =~ m/^(.*)\/([^\/]+)$/; |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
| my $name_file = $2; |
my $name_file = $2; |
| my $path_file = $1.'/'; |
my $path_file = $1.'/'; |
| chdir $path_file; |
chdir $path_file; |
| system("latex $name_file 1>/dev/null 2>/dev/null"); |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/$name_range\.dvi/; |
| if ($selectionmade>=10) {system("latex $name_file 1>/dev/null 2>/dev/null");} #to create table of contents |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now LaTeXing file", |
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\%prog_state,$dvi_file); |
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if ($tableofcontents eq 'yes') { |
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&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement First LaTeX of file for table of contents", |
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\%prog_state,$dvi_file); |
| |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement Second LaTeX of file for table of contents", |
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\%prog_state,$dvi_file); |
| |
} #to create table of contents |
| my $idxname=$name_file; |
my $idxname=$name_file; |
| $idxname=~s/\.tex$/\.idx/; |
$idxname=~s/\.tex$/\.idx/; |
| if ($selectionmade>=100) { |
if ($tableofindex eq 'yes') { |
| system("makeindex $idxname"); |
&busy_wait_command("makeindex $idxname", |
| system("latex $name_file 1>/dev/null 2>/dev/null"); |
"making index file", |
| |
\%prog_state,$idxname); |
| |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now LaTeXing file for index section", |
| |
\%prog_state,$dvi_file); |
| } #to create index |
} #to create index |
| #Do we have a latex error in the log file? |
#Do we have a latex error in the log file? |
| my $logfilename = $texfile; |
my $logfilename = $texfile; $logfilename =~ s/\.tex$/\.log/; |
| $logfilename =~ s/\.tex$/\.log/; |
my $temporary_file=IO::File->new($logfilename) || die "Couldn't open log file $logfilename for reading: $!\n"; |
| my $temporary_file=IO::File->new($logfilename) || 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 $body_log_file = join(' ',@content_of_file); |
my $body_log_file = join(' ',@content_of_file); |
|
Line 99 use Image::Magick;
|
Line 403 use Image::Magick;
|
| $temporary_file = IO::File->new('>'.$logfilename); |
$temporary_file = IO::File->new('>'.$logfilename); |
| print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
| if ($body_log_file=~m/!\s+Emergency stop/) { |
if ($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 $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
| my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
| |
my $badresource; |
| |
my $badtext; |
| if ($whereitbegins!=-1 and $whereitends!=-1) { |
if ($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 />"; |
$badtext = substr($body_log_file,$whereitbegins+26, $whereitends-$whereitbegins-26); |
| } |
$whereitbegins = rindex $badtext,'located in'; |
| print "Here are the error messages in the LaTeX log file</br><br />"; |
if ($whereitbegins != -1) { |
| my $sygnal = 0; |
|
| for (my $i=0;$i<=$#content_of_file;$i++) { |
$badresource = substr($badtext, $whereitbegins+27, |
| if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
length($badtext) - $whereitbegins - 48); |
| $sygnal = 1; |
# print "<br />failing resourcename: $badresource<br />"; |
| } |
} |
| if ($content_of_file[$i]=~m/Here is how much of/) { |
|
| $sygnal = 0; |
|
| } |
|
| if ($sygnal) { |
|
| print "$content_of_file[$i]<br />"; |
|
| } |
|
| } |
} |
| if ($advans_role) { |
|
| |
if ($advanced_role) { |
| |
#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 />"; |
| |
print "With very high probability this error occured in ".$badtext."<br /><br />"; |
| |
print "Here are the error messages in the LaTeX log file<br /><pre>"; |
| |
|
| |
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]"; |
| |
} |
| |
} |
| |
print "</pre>\n"; |
| |
# print "<br /> Advanced role <br />"; |
| print "<b><big>The link to "; |
print "<b><big>The link to "; |
| $logfilename=~s/\/home\/httpd//; |
$logfilename=~s/\/home\/httpd//; |
| print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
| print "\n"; |
print "\n"; |
| #link tooriginal LaTeX file (included according Michael Hamlin desire) |
#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 $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n"; |
| my @tex_content_of_file = <$tex_temporary_file>; |
my @tex_content_of_file = <$tex_temporary_file>; |
| close $tex_temporary_file; |
close $tex_temporary_file; |
| my $body_tex_file = join(' ',@tex_content_of_file); |
my $body_tex_file = join(' ',@tex_content_of_file); |
|
Line 138 use Image::Magick;
|
Line 456 use Image::Magick;
|
| $texfile=~s/\/home\/httpd//; |
$texfile=~s/\/home\/httpd//; |
| print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
| print "\n"; |
print "\n"; |
| |
my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", "Help on printing"); |
| |
print ("$help_text"); |
| |
|
| |
} else { # Student role... |
| |
# at this point: |
| |
# $body_log_file - contains the log file. |
| |
# $name_file - is the name of the LaTeX file. |
| |
# $identifier - is the unique LaTeX identifier.l |
| |
|
| |
print "<br />There are errors in $badtext"; |
| |
print "<br />These errors prevent this resource from printing correctly"; |
| |
my $tex_handle = IO::File->new($name_file); |
| |
my @tex_contents = <$tex_handle>; |
| |
&send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents); |
| |
print "<br />A message has been sent to the instructor describing this failure<br />"; |
| |
my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", "Help on printing"); |
| |
print ("$help_text"); |
| |
|
| } |
} |
| |
|
| } elsif ($body_log_file=~m/<inserted text>/) { |
} elsif ($body_log_file=~m/<inserted text>/) { |
| my $whereitbegins = index $body_log_file,'<inserted text>'; |
my $whereitbegins = index $body_log_file,'<inserted text>'; |
| print "You are running LaTeX in the <b>batch mode</b>."; |
print "You are running LaTeX in <b>batch mode</b>."; |
| while ($whereitbegins != -1) { |
while ($whereitbegins != -1) { |
| my $tempobegin=$whereitbegins; |
my $tempobegin=$whereitbegins; |
| $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
|
Line 154 use Image::Magick;
|
Line 490 use Image::Magick;
|
| $name_file =~ s/\.tex/\.dvi/; |
$name_file =~ s/\.tex/\.dvi/; |
| my $new_name_file = $name_file; |
my $new_name_file = $name_file; |
| $new_name_file =~ s/\.dvi/\.ps/; |
$new_name_file =~ s/\.dvi/\.ps/; |
| my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
my $papera=$paper; |
| system("$comma $name_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
| |
if ($papera ne '') {$papera='-t'.$papera;} |
| |
my $comma = "dvips $papera -Ppdf -G0 -o $new_name_file"; |
| |
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Converting to PS", |
| |
\%prog_state,$new_name_file); |
| if (-e $new_name_file) { |
if (-e $new_name_file) { |
| print "<h1>PDF output file (see link below)</h1>\n"; |
my $latex_file = $name_file; |
| |
$latex_file =~ s/\.dvi/\.tex/; |
| |
&repaginate($new_name_file, $latex_file, $numberofcolumns); |
| |
# |
| |
# Now have to re-latex, re dvips again to |
| |
# get the repaginated postscript. |
| |
# |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement first latex to repaginate", |
| |
\%prog_state, $name_file); |
| |
if ($tableofcontents eq 'yes') { |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement second latex to repaginate", |
| |
\%prog_state, $name_file); |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement third latex to repaginate", |
| |
\%prog_state, $name_file); |
| |
} |
| |
if ($tableofindex eq 'yes') { |
| |
my $idxname = $latex_file; |
| |
$idxname =~ s/\.tex$/\.idx/; |
| |
&busy_wait_command("makindex $idxname", |
| |
"Re-creating index file", |
| |
\%prog_state, $idxname); |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Recreting index (latex)", |
| |
\%prog_state, $dvi_file); |
| |
|
| |
} |
| |
&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
| |
"for $status_statement dvips to repaginate", |
| |
\%prog_state, $new_name_file); |
| |
# |
| |
# One last little hinky kinky thing. |
| |
# It's just possible that some fonts could not be maded |
| |
# at the resolution of the pdf print driver. |
| |
# In that case a file called missfont.log will have been |
| |
# created that will contain the commands that were attempted |
| |
# to create the missing fonts. If we basically |
| |
# take all the 8000 strings in that file, and |
| |
# replace them with 600 (the ljfour resolution) |
| |
# run the commands in that file and redvips, |
| |
# we'll be able to print the missing glyphs at 600dpi. |
| |
# |
| |
# Supposedly it is possible to tune TeX/Metafont to do this |
| |
# right but I failed to get that to work when following the |
| |
# docs at the tug site, hence this rather kludgey fix. |
| |
# |
| |
# We make the (I think) reasonable assumption that |
| |
# missing glyphs won't change the pagination and I think |
| |
# this is true because TeX/dvips will leave a space |
| |
# instead of these glyphs based on the font metrics |
| |
# (fancy way to say there will be a blank the size of the missing |
| |
# glyphs). |
| |
# |
| |
my $print_directory = dirname($name_file); |
| |
my $missfonts_file = $print_directory."/missfont.log"; |
| |
#print("<br /> Missing fonts file is: $missfonts_file"); |
| |
if (-e $missfonts_file) { |
| |
#print("<br />Missing fonts file exists\n"); |
| |
&create_missing_fonts($missfonts_file); |
| |
unlink($missfonts_file, \%prog_state); |
| |
&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
| |
"for $status_statement dvips generated missing fonts", |
| |
\%prog_state, $new_name_file); |
| |
} |
| |
|
| |
# |
| |
print "\n<h1>PDF output file (see link below)</h1>\n"; |
| $new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
| my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
| my $name_file = $1.'.pdf'; |
my $pdf_file = $1.'.pdf'; |
| if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
| $comma = "psnup -2 -s1.0 $new_name_file"; |
my $papera=$paper; |
| system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
| system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
if ($papera ne '') {$papera='-p'.$papera;} |
| |
$comma = "psnup $papera -2 -s1.0 $new_name_file"; |
| |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Modifying PS layout", |
| |
\%prog_state,$tempo_file); |
| } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
| $comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
my $papera=$paper; |
| system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
| system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
if ($papera ne '') {$papera='-p'.$papera;} |
| |
$comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"'; |
| |
&busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Modifying PS layout", |
| |
\%prog_state,$tempo_file); |
| |
|
| } else { |
} else { |
| system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
$ps_file=$new_name_file; |
| } |
} |
| |
&busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Converting PS to PDF", |
| |
\%prog_state, $pdf_file); |
| |
|
| my $texlog = $texfile; |
my $texlog = $texfile; |
| my $texaux = $texfile; |
my $texaux = $texfile; |
| my $texdvi = $texfile; |
my $texdvi = $texfile; |
|
Line 183 use Image::Magick;
|
Line 605 use Image::Magick;
|
| my @garb = ($texaux,$texdvi,$texps); |
my @garb = ($texaux,$texdvi,$texps); |
| # unlink @garb; |
# unlink @garb; |
| unlink $duefile; |
unlink $duefile; |
| print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>"; |
| if ($advans_role) { |
} |
| print "<br /><br />"; |
if ($advanced_role) { |
| print "<b><big>The link to "; |
print "<br /><br />"; |
| $logfilename=~s/\/home\/httpd//; |
print "<b><big>The link to "; |
| print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
$logfilename=~s/\/home\/httpd//; |
| print "\n"; |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
| #link tooriginal LaTeX file (included according Michael Hamlin desire) |
print "\n"; |
| my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
#link tooriginal LaTeX file (included according Michael Hamlin desire) |
| my @tex_content_of_file = <$tex_temporary_file>; |
my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n"; |
| close $tex_temporary_file; |
my @tex_content_of_file = <$tex_temporary_file>; |
| my $body_tex_file = join(' ',@tex_content_of_file); |
close $tex_temporary_file; |
| $texfile =~ s/\.tex$/aaaaa\.html/; |
my $body_tex_file = join(' ',@tex_content_of_file); |
| $tex_temporary_file = IO::File->new('>'.$texfile); |
$texfile =~ s/\.tex$/aaaaa\.html/; |
| print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
$tex_temporary_file = IO::File->new('>'.$texfile); |
| print "<br /><br />"; |
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
| print "<b><big>The link to "; |
print "<br /><br />"; |
| $texfile=~s/\/home\/httpd//; |
print "<b><big>The link to "; |
| print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
$texfile=~s/\/home\/httpd//; |
| print "\n"; |
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
| } |
print "\n"; |
| } |
} |
| } else { |
} else { |
| #LaTeX successfully parsed tex file |
#LaTeX successfully parsed tex file |
| $name_file =~ s/\.tex/\.dvi/; |
$name_file =~ s/\.tex/\.dvi/; |
| my $new_name_file = $name_file; |
my $new_name_file = $name_file; |
| $new_name_file =~ s/\.dvi/\.ps/; |
$new_name_file =~ s/\.dvi/\.ps/; |
| my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
my $papera=$paper; |
| system("$comma $name_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
| |
if ($papera ne '') {$papera='-t'.$papera;} |
| |
my $comma = "dvips $papera -Ppdf -G0 -o $new_name_file"; |
| |
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Converting to PS", |
| |
\%prog_state,$new_name_file); |
| |
# |
| |
# One last little hinky kinky thing. |
| |
# It's just possible that some fonts could not be maded |
| |
# at the resolution of the pdf print driver. |
| |
# In that case a file called missfont.log will have been |
| |
# created that will contain the commands that were attempted |
| |
# to create the missing fonts. If we basically |
| |
# take all the 8000 strings in that file, and |
| |
# replace them with 600 (the ljfour resolution) |
| |
# run the commands in that file and redvips, |
| |
# we'll be able to print the missing glyphs at 600dpi. |
| |
# |
| |
# Supposedly it is possible to tune TeX/Metafont to do this |
| |
# right but I failed to get that to work when following the |
| |
# docs at the tug site, hence this rather kludgey fix. |
| |
# |
| |
# We make the (I think) reasonable assumption that |
| |
# missing glyphs won't change the pagination and I think |
| |
# this is true because TeX/dvips will leave a space |
| |
# instead of these glyphs based on the font metrics |
| |
# (fancy way to say there will be a blank the size of the missing |
| |
# glyphs). |
| |
# |
| |
my $print_directory = dirname($name_file); |
| |
my $missfonts_file = $print_directory."/missfont.log"; |
| |
#print("<br /> Missing fonts file is: $missfonts_file"); |
| |
if (-e $missfonts_file) { |
| |
#print("<br />Missing fonts file exists\n"); |
| |
&create_missing_fonts($missfonts_file); |
| |
unlink($missfonts_file); |
| |
&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
| |
"for $status_statement dvips generated missing fonts", |
| |
\%prog_state, $new_name_file); |
| |
} |
| if (-e $new_name_file) { |
if (-e $new_name_file) { |
| print "<h1>Successfully created PDF output file (see link below)</h1>\n"; |
my $latex_file = $name_file; |
| |
$latex_file =~ s/\.dvi/\.tex/; |
| |
&repaginate($new_name_file, $latex_file, $numberofcolumns); |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement first latex to repaginate", |
| |
\%prog_state, $name_file); |
| |
if ($tableofcontents eq 'yes') { |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement second latex to repaginate", |
| |
\%prog_state, $name_file); |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement third latex to repaginate", |
| |
\%prog_state, $name_file); |
| |
} |
| |
if ($tableofindex eq 'yes') { |
| |
my $idxname = $latex_file; |
| |
$idxname =~ s/\.tex$/\.idx/; |
| |
&busy_wait_command("makeindex $idxname", |
| |
"Re-creating index file", |
| |
\%prog_state, $idxname); |
| |
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Recreting index (latex)", |
| |
\%prog_state, $dvi_file); |
| |
} |
| |
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement dvips to repaginate", |
| |
\%prog_state, $new_name_file); |
| |
|
| |
print "<br />"; |
| $new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
| my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
| my $name_file = $1.'.pdf'; |
my $pdf_file = $1.'.pdf'; |
| |
$papera=~s/t/p/; |
| if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
| $comma = "psnup -2 -s1.0 $new_name_file"; |
$comma = "psnup $papera -2 -s1.0 $new_name_file"; |
| system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
| system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
"for $status_statement now Modifying PS layout", |
| |
\%prog_state,$tempo_file); |
| } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
| $comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
$comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"'; |
| system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
&busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null", |
| system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
"for $status_statement now Modifying PS layout", |
| |
\%prog_state,$tempo_file); |
| } else { |
} else { |
| system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
$ps_file=$new_name_file; |
| } |
} |
| |
my $addtoPSfile={'legal'=>'<< /PageSize [612 1008] >> setpagedevice', |
| |
'tabloid'=>'<< /PageSize [792 1224] >> setpagedevice', |
| |
'executive'=>,'<< /PageSize [540 720] >> setpagedevice', |
| |
'a2'=>'<< /PageSize [1195.02 1690.09] >> setpagedevice', |
| |
'a3'=>'<< /PageSize [842 1195.02] >> setpagedevice', |
| |
'a4'=>'<< /PageSize [595.2 842] >> setpagedevice', |
| |
'a5'=>'<< /PageSize [421.1 595.2] >> setpagedevice', |
| |
'a6'=>'<< /PageSize [298.75 421.1] >> setpagedevice', |
| |
}; |
| |
if ($paper ne 'letter') { |
| |
open(FFH,'<',$ps_file) || die "Couldn't open ps file $ps_file for reading: $!\n"; |
| |
my $new_ps_file='new'.$ps_file; |
| |
open(FFHS,'>',$new_ps_file) || die "Couldn't open new ps file $new_ps_file for reading: $!\n"; |
| |
print FFHS $addtoPSfile->{$paper}."\n"; |
| |
while (<FFH>) { |
| |
print FFHS $_; |
| |
} |
| |
close(FFH); |
| |
close(FFHS); |
| |
$ps_file=$new_ps_file; |
| |
} |
| |
&busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null", |
| |
"for $status_statement now Converting PS to PDF", |
| |
\%prog_state,$pdf_file); |
| |
|
| my $texlog = $texfile; |
my $texlog = $texfile; |
| my $texaux = $texfile; |
my $texaux = $texfile; |
| my $texdvi = $texfile; |
my $texdvi = $texfile; |
|
Line 239 use Image::Magick;
|
Line 756 use Image::Magick;
|
| my @garb = ($texlog,$texaux,$texdvi,$texps); |
my @garb = ($texlog,$texaux,$texdvi,$texps); |
| # unlink @garb; |
# unlink @garb; |
| unlink $duefile; |
unlink $duefile; |
| print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
print "<a href=\"/prtspool/$pdf_file\">$link_text - click here to download pdf</a>"; |
| print "\n"; |
print "\n"; |
| } |
} |
| } |
} |
| } else { |
} else { |
| print "LaTeX file $texfile was not created successfully"; |
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; |
| |
} |
| |
print("<pre>Zip Output:\n"); |
| |
system($statement); |
| |
print("</pre>"); |
| |
$zipfile=~s/\/home\/httpd//; |
| |
print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs."; |
| |
} |
| |
if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
| |
print(&Apache::loncommon::end_page()); |
| |
my $done; |
| |
|
| |
sub REAPER { |
| |
$done=1; |
| |
} |
| |
|
| |
sub busy_wait_command { |
| |
my ($command,$message,$progress_win,$output_file)=@_; |
| |
|
| |
$SIG{CHLD} = \&REAPER; |
| |
$done=0; |
| |
my $pid=open(CMD,"$command |"); |
| |
if ($advanced_role) { |
| |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
| |
} |
| |
while(!$done) { |
| |
sleep 1; |
| |
my $extra_msg; |
| |
if ($output_file) { |
| |
my $size=(stat($output_file))[7]; |
| |
$extra_msg=", $size bytes generated"; |
| |
} |
| |
if ($advanced_role) { |
| |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win, |
| |
$message.$extra_msg); |
| |
} |
| |
} |
| |
$SIG{CHLD}='IGNORE'; |
| |
close(CMD); |
| |
} |
| |
|
| |
# Repagninate |
| |
# What we need to do: |
| |
# - Count the number of pages in each student. |
| |
# - Rewrite the latex file replacing the \specials that |
| |
# mark the end of student with an appropriate number of newlines. |
| |
# parameters: |
| |
# psfile - Postscript filename |
| |
# latexfile - LaTeX filename |
| |
# columns - number of columns. |
| |
sub repaginate { |
| |
|
| |
# We will try to do this in 2 passes through the postscript since |
| |
# the postscript is potentially large, to do 2 passes, the first pass |
| |
# must be able to calculate the total number of document pages so that |
| |
# at the beginning of the second pass we already know how to replace |
| |
# %%Pages: |
| |
|
| |
# Figure out |
| |
# 1. Number of pages in the document |
| |
# 2. Maximum number of pages in a student |
| |
# 3. Number of pages in each student. |
| |
|
| |
my ($postscript_filename, $latex_filename, $num_columns) = @_; |
| |
open(PSFILE, "<$postscript_filename"); |
| |
my $line; |
| |
my $total_pages; # Total pages in document. |
| |
my $seen_pages = 0; # There are several %%Pages only the first is useful |
| |
my @pages_in_student; # For each student his/her initial page count. |
| |
my $max_pages = 0; # Pages in 'longest' student. |
| |
my $page_number = 0; |
| |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
| |
&mt("Counting pages for student: [_1]",1)); |
| |
|
| |
while ($line = <PSFILE>) { |
| |
|
| |
# Check for total pages (%%Pages:) |
| |
|
| |
if (($line =~ /^%%Pages:/) && (!$seen_pages)) { |
| |
my @pageinfo = split(/ /,$line); |
| |
$total_pages = $pageinfo[1]; |
| |
$seen_pages = 1; |
| |
} |
| |
# Check for %%Page: n m $page_number will be the |
| |
# biggest of these until we see an endofstudent. |
| |
# Note that minipages generate spurious %Page: 1 1's so |
| |
# we only are looking for the largest n (n is page number at the |
| |
# bottom of the page, m the page number within the document. |
| |
# |
| |
|
| |
if ($line =~ /^%%Page:/) { |
| |
my @pageinfo = split(/ /, $line); |
| |
if ($page_number < $pageinfo[1]) { |
| |
$page_number = $pageinfo[1]; |
| |
} elsif ($pageinfo[2] ne 1) { |
| |
# current page count reset, and it's not because of a |
| |
# minipage |
| |
# - save the page_number, reset and, if necessary |
| |
# update max_pages. |
| |
push(@pages_in_student, $page_number); |
| |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
| |
&mt("Counting pages for student: [_1]", scalar(@pages_in_student))); |
| |
if ($page_number > $max_pages) { |
| |
$max_pages = $page_number; |
| |
} |
| |
$page_number = $pageinfo[1]; |
| |
} |
| |
} |
| |
|
| |
|
| |
} |
| |
# file ended so one more student |
| |
push(@pages_in_student, $page_number); |
| |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
| |
&mt("Counting pages for student: [_1]",scalar(@pages_in_student))); |
| |
if ($page_number > $max_pages) { |
| |
$max_pages = $page_number; |
| |
} |
| |
$page_number = 0; |
| |
|
| |
close(PSFILE); |
| |
|
| |
# If 2 columns, max_pages must go to an even number of columns: |
| |
|
| |
|
| |
if ($num_columns == 2) { |
| |
if ($max_pages % 2) { |
| |
$max_pages++; |
| |
} |
| |
} |
| |
|
| |
# Now rewrite the LaTex file, substituting our \special |
| |
# with an appropriate number of \newpage directives. |
| |
|
| |
my $outfilename = $latex_filename."temp"; |
| |
|
| |
open(LATEXIN, "<$latex_filename"); |
| |
open(LATEXOUT, ">$outfilename"); |
| |
|
| |
|
| |
my $student_number = 0; # Index of student we're working on. |
| |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
| |
"Repaginating student ".$student_number+1); |
| |
|
| |
while (my $line = <LATEXIN>) { |
| |
if ($line eq "\\special{ps:ENDOFSTUDENTSTAMP}\n") { |
| |
# only end of student stamp if next line is ENDOFSTUDENTSTAMP: |
| |
|
| |
|
| |
# End of student replace with 0 or more newpages. |
| |
|
| |
my $addlines = $max_pages - $pages_in_student[$student_number]; |
| |
while($addlines) { |
| |
print LATEXOUT '\clearpage \strut \clearpage'; |
| |
|
| |
$addlines--; |
| |
} |
| |
|
| |
$student_number++; |
| |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
| |
"Repaginating student ".$student_number+1); |
| |
|
| |
} else { |
| |
print LATEXOUT $line; |
| |
} |
| |
} |
| |
|
| |
close(LATEXIN); |
| |
close(LATEXOUT); |
| |
rename($outfilename, $latex_filename); |
| |
|
| |
} |
| |
|
| |
# |
| |
# Create missing fonts given a latex missfonts.log file. |
| |
# This file will have lines like: |
| |
# |
| |
# mktexpk --mfmode ljfour --bdpi 8000 --mag 1+0/8000 --dpi 8000 tcrm0500 |
| |
# |
| |
# We want to execute those lines with the 8000's changed to 600's |
| |
# in order to match the resolution of the ljfour printer. |
| |
# Of course if some wiseguy has changed the default printer from ljfour |
| |
# in the dvips's config.ps file that will break so we'll also |
| |
# ensure that --mfmode is ljfour. |
| |
# |
| |
sub create_missing_fonts { |
| |
my ($fontfile, $state) = @_; |
| |
|
| |
# Open and read in the font file..we'll read it into the array |
| |
# font_commands. |
| |
# |
| |
my $font_handle = IO::File->new($fontfile); |
| |
my @font_commands = <$font_handle>; |
| |
|
| |
|
| |
# Now process each command replacing the appropriate 8000's with |
| |
# 600's ensuring that font names with 8000's in them are not corrupted. |
| |
# and if the --mfmode is not ljfour we turn it into ljfour. |
| |
# Then we execute the command. |
| |
# |
| |
|
| |
foreach my $command (@font_commands) { |
| |
#print("<br />Raw command: $command"); |
| |
$command =~ s/ 8000/ 600/g; # dpi directives. |
| |
$command =~ s/\/8000/\/600/g; # mag directives. |
| |
#print("<br />After dpi replacements: $command"); |
| |
|
| |
my @cmdarray = split(/ /,$command); |
| |
for (my $i =0; $i < scalar(@cmdarray); $i++) { |
| |
if ($cmdarray[$i] eq '--mfmode') { |
| |
$cmdarray[$i+1] = "ljfour"; |
| |
} |
| |
} |
| |
#print("<br /> before reassembly : (@cmdarray)"); |
| |
$command = join(" ", (@cmdarray)); |
| |
|
| |
#print("<br />Creating fonts via command: $command"); |
| |
&busy_wait_command("$command 1>dev/null 2>/dev/null", |
| |
"Creating missing font", |
| |
$state, $command); |
| |
|
| |
} |
| |
|
| |
} |
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