version 1.72, 2005/02/03 21:37:48
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version 1.131, 2008/03/10 22:42:28
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Line 27
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Line 27
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# |
# |
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use lib '/home/httpd/lib/perl'; |
use lib '/home/httpd/lib/perl'; |
use LONCAPA::loncgi(); |
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; |
use Apache::lonhtmlcommon; |
use Apache::lonhtmlcommon(); |
use Apache::lonnet(); |
use Apache::lonnet; |
use Apache::loncommon; |
use Apache::loncommon(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
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use Apache::lonmsg(); |
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use LONCAPA::Enrollment; |
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use LONCAPA::Configuration; |
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use strict; |
use strict; |
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my $busy_wait_timeout = 300; |
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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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# 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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# 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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# resource file->URL |
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# |
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my $badurl = &Apache::lonnet::declutter($badresource); |
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# &dumpenv(); |
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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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if(defined($user) && defined($domain) && defined($courseid) && |
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defined($coursedom) && defined($resources) ){ |
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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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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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# Todo: Convert badurl into a url from file path: |
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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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foreach my $line (@$texfile) { |
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$message .= "$line\n"; |
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} |
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my (undef, %receivers) = &Apache::lonmsg::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 = $destinfo[1]; |
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&Apache::lonmsg::user_normal_msg($user, $dom, |
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$subject, $message); |
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# No point in looking at the return status as there's no good |
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# error action I can think of right now (log maybe?). |
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} |
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} |
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} |
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} |
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$|=1; |
$|=1; |
my %origENV=%ENV; |
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if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { |
if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { |
print <<END; |
print <<END; |
Content-type: text/html |
Content-type: text/html |
Line 52 Your cookie information is incorrect.
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Line 163 Your cookie information is incorrect.
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END |
END |
return; |
return; |
} |
} |
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my %perlvar=%{&LONCAPA::Configuration::read_conf('loncapa.conf')}; |
&Apache::lonlocal::get_language_handle(); |
&Apache::lonlocal::get_language_handle(); |
&Apache::loncommon::content_type(undef,'text/html'); |
&Apache::loncommon::content_type(undef,'text/html'); |
my $bodytag=&Apache::loncommon::bodytag('Creating PDF','',''); |
$env{'request.noversionuri'} = '/cgi-bin/printout.pl'; |
print $bodytag; |
print(&Apache::loncommon::start_page('Creating PDF')); |
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my $identifier = $ENV{'QUERY_STRING'}; |
my $identifier = $ENV{'QUERY_STRING'}; |
my $texfile = $ENV{'cgi.'.$identifier.'.file'}; |
my $texfile = $env{'cgi.'.$identifier.'.file'}; |
my $laystyle = $ENV{'cgi.'.$identifier.'.layout'}; |
my $laystyle = $env{'cgi.'.$identifier.'.layout'}; |
my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'}; |
my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'}; |
my $paper = $ENV{'cgi.'.$identifier.'.paper'}; |
my $paper = $env{'cgi.'.$identifier.'.paper'}; |
my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'}; |
my $selectionmade = $env{'cgi.'.$identifier.'.selection'}; |
my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'}; |
my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'}; |
my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'}; |
my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'}; |
my $advans_role = $ENV{'cgi.'.$identifier.'role'}; |
my $advanced_role = $env{'cgi.'.$identifier.'.role'}; |
my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1; |
my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1; |
my $student_names = $ENV{'cgi.'.$identifier.'studentnames'}; |
my $student_names = $env{'cgi.'.$identifier.'.studentnames'}; |
my $backref = &Apache::lonnet::unescape($ENV{'cgi.'.$identifier.'backref'}); |
my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'}); |
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my $adv = $ENV{'request.role.adv'}; |
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my @names_pack=(); |
my @names_pack=(); |
if ($student_names=~/_END_/) { |
if ($student_names=~/_END_/) { |
@names_pack=split(/_ENDPERSON_/,$student_names); |
@names_pack=split(/_ENDPERSON_/,$student_names); |
} |
} |
#got what we needed reset ENV in case it is to big for system |
if ($backref) { |
%ENV=%origENV; |
print('<p>'.&mt("[_1]Return[_2] to editing resource.", |
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"<a href=\"$backref\"><b>","</b></a>").'</p>'); |
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} |
my $figfile = $texfile; |
my $figfile = $texfile; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
$figfile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.dat/; |
my $duefile = $texfile; |
my $duefile = $texfile; |
$duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/; |
$duefile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.due/; |
#do we have figures? |
#do we have figures? |
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# print "Figure file: $figfile\n"; |
if (-e $figfile) { |
if (-e $figfile) { |
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# print "$figfile exists\n"; |
my %done_conversion; |
my %done_conversion; |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile for reading: $!\n"; |
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 $noteps; |
my %prog_state; |
my %prog_state; |
if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); } |
if ($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 />'); |
foreach my $not_eps (@content_of_file) { |
foreach my $not_eps (@content_of_file) { |
chomp($not_eps); |
chomp($not_eps); |
if ($not_eps ne '') { |
if ($not_eps ne '') { |
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# print "Converting $not_eps"; # Debugging. |
my $status_statement='EPS picture for '.$not_eps; |
my $status_statement='EPS picture for '.$not_eps; |
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# print "$status_statement\n"; |
$not_eps=~s|\/\.\/|\/|g; |
$not_eps=~s|\/\.\/|\/|g; |
my $eps_f = $not_eps; |
my $eps_f = $not_eps; |
$eps_f =~ s/\.[^.]*$/\.eps/i; |
# $eps_f =~ s/\.[^.]*$/\.eps/i; |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
$eps_f = $perlvar{'lonPrtDir'}.'/'.$eps_f; |
} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\//) { |
} elsif ($eps_f=~/$perlvar{'lonDocRoot'}\/res\//) { |
$eps_f=~m/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/(.+)/; |
$eps_f=~m/$perlvar{'lonDocRoot'}\/res\/(.+)/; |
$eps_f = '/home/httpd/prtspool/'.$1; |
$eps_f = $perlvar{'lonPrtDir'}.'/'.$1; |
} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\//) { |
} elsif ($eps_f=~/$perlvar{'lonUsersDir'}\//) { |
$eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/; |
$eps_f=~/$perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/; |
$eps_f = '/home/httpd/prtspool/'.$1.'/'.$2; |
$eps_f = $perlvar{'lonPrtDir'}.'/'.$1.'/'.$2; |
} |
} |
my $path=$eps_f; |
$eps_f =~ s/ /\_/g; # Spaces are problematic for system commands and LaTeX. |
$path=~s/\/([^\/]+)\.eps$//; |
# |
File::Path::mkpath($path,0,0777); |
# If the file is already an .eps or .ps file, |
$not_eps =~ s/^\s+//; |
# We really just need to copy it from where it was to prtspool |
$not_eps =~ s/\s+$//; |
# but with the spaces substituted to _'s. |
if ( exists($done_conversion{$not_eps})) { next; } |
# |
if ($adv) { |
my ($nsname,$path, $sext) = &fileparse($eps_f, qr/\.(ps|eps)/i); |
my $prettyname=$not_eps; |
if ($sext =~/ps$/i) { |
$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
# print "$not_eps is a postscript file. copy to $path\n"; |
$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
&File::Path::mkpath($path,0,0777); |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname); |
#print("Made path: $path"); |
} |
#$not_eps =~ s/^\s+//; |
$done_conversion{$not_eps}=1; |
#$not_eps =~ s/\s+$//; |
system("convert $not_eps $eps_f"); |
#$not_eps =~ s/ /\__/g; |
#check is eps exist in prtspool |
#print("Copying $not_eps to $eps_f\n"); |
if(not -e $eps_f) { |
copy("$not_eps", "$eps_f"); |
for (my $i=0;$i<10000;$i++) { |
# print "Copy complete\n"; |
if (-e $eps_f.'.'.$i) { |
} else { |
rename $eps_f.'.'.$i, $eps_f; |
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last; |
$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|$perlvar{'lonDocRoot'}/|/|; |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
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'Converting to EPS '.$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,$eps_f); |
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} |
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} |
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} |
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} |
} |
} |
} |
if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
if ($advanced_role) { |
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&Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); |
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} |
unlink($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 |
Line 144 END
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Line 310 END
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@texfile=(); |
@texfile=(); |
for (my $i=1;$i<=$number_of_files;$i++) { |
for (my $i=1;$i<=$number_of_files;$i++) { |
my $new_texfile=$texfile; |
my $new_texfile=$texfile; |
$new_texfile=~s/\.tex/_$i\.tex/; |
$new_texfile=~s/\.tex//; |
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$new_texfile = sprintf("%s_%03d.tex", $new_texfile,$i); |
push @texfile,$new_texfile; |
push @texfile,$new_texfile; |
} |
} |
} |
} |
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my $ind=-1; |
my $ind=-1; |
my %prog_state; |
my %prog_state; |
print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />"; |
if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
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print "<br />"; |
print "<br />"; |
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my $num_files = @texfile; |
foreach $texfile (@texfile) { |
foreach $texfile (@texfile) { |
my $status_statement=''; |
my $status_statement=''; |
my $link_text='download PDF'; |
my $link_text='download PDF'; |
Line 161 foreach $texfile (@texfile) {
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Line 328 foreach $texfile (@texfile) {
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my @stud_info=split(/_END_/,$names_pack[$ind]); |
my @stud_info=split(/_END_/,$names_pack[$ind]); |
my @tempo_array=split(/:/,$stud_info[0]); |
my @tempo_array=split(/:/,$stud_info[0]); |
my $name; |
my $name; |
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my $name_range=''; |
if ($tempo_array[3]) { |
if ($tempo_array[3]) { |
$name=$tempo_array[3]; |
$name=$tempo_array[3]; |
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($name_range) = split(/,/,$name, 2); |
} else { |
} else { |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
$name=$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; |
} |
} |
$link_text='<b>'.$name.'</b>'; |
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$status_statement.=$name; |
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if ($#stud_info>0) { |
if ($#stud_info>0) { |
@tempo_array=split(/:/,$stud_info[-1]); |
@tempo_array=split(/:/,$stud_info[-1]); |
if ($tempo_array[3]) { |
if ($tempo_array[3]) { |
$name=$tempo_array[3]; |
$name=$tempo_array[3]; |
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my ($lastname) = split(/,/, $name,2); |
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$name_range .= "-".$lastname; |
} else { |
} else { |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
$name=$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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} |
} |
$link_text.=' - <b>'.$name.'</b>'; |
} |
$status_statement.=' - '.$name; |
if(($num_files > 1) && ($link_text eq 'download PDF')) { # Printing codes |
} |
$link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>'; |
if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
$status_statement .= basename($texfile); |
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} |
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$name_range =~ s/'//g; # O'Neil -> ONeil e.g. |
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print "<br/>"; |
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if ($advanced_role) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
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# 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. |
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# |
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; |
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} |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
my $name_file = $2; |
my $name_file = $2; |
my $path_file = $1.'/'; |
my $path_file = $1.'/'; |
chdir $path_file; |
chdir $path_file; |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/\.dvi/; |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/$name_range\.dvi/; |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now LaTeXing file", |
"for $status_statement now LaTeXing file", |
\%prog_state,$dvi_file); |
\%prog_state,$dvi_file, $busy_wait_timeout); |
if ($tableofcontents eq 'yes') { |
if ($tableofcontents eq 'yes') { |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now LaTeXing file for table of contents", |
"for $status_statement First LaTeX of file for table of contents", |
\%prog_state,$dvi_file); |
\%prog_state,$dvi_file, $busy_wait_timeout); |
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&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,$busy_wait_timeout); |
} #to create table of contents |
} #to create table of contents |
my $idxname=$name_file; |
my $idxname=$name_file; |
$idxname=~s/\.tex$/\.idx/; |
$idxname=~s/\.tex$/\.idx/; |
Line 201 foreach $texfile (@texfile) {
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Line 397 foreach $texfile (@texfile) {
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\%prog_state,$idxname); |
\%prog_state,$idxname); |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now LaTeXing file for index section", |
"for $status_statement now LaTeXing file for index section", |
\%prog_state,$dvi_file); |
\%prog_state,$dvi_file, $busy_wait_timeout); |
} #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; $logfilename =~ s/\.tex$/\.log/; |
my $logfilename = $texfile; $logfilename =~ s/\.tex$/\.log/; |
Line 213 foreach $texfile (@texfile) {
|
Line 409 foreach $texfile (@texfile) {
|
$temporary_file = IO::File->new('>'.$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 $badtext,'located in'; |
print "Here are the error messages in the LaTeX log file</br><br /><pre>"; |
if ($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]"; |
|
} |
|
} |
} |
print "</pre>\n"; |
|
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//; |
$logfilename=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
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) |
Line 250 foreach $texfile (@texfile) {
|
Line 459 foreach $texfile (@texfile) {
|
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
print "<br /><br />"; |
print "<br /><br />"; |
print "<b><big>The link to "; |
print "<b><big>The link to "; |
$texfile=~s/\/home\/httpd//; |
$texfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
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>/) { |
Line 277 foreach $texfile (@texfile) {
|
Line 504 foreach $texfile (@texfile) {
|
"for $status_statement now Converting to PS", |
"for $status_statement now Converting to PS", |
\%prog_state,$new_name_file); |
\%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, $name_file,$busy_wait_timeout); |
|
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_timeout); |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement third latex to repaginate", |
|
\%prog_state, $name_file,$busy_wait_timeout); |
|
} |
|
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_timeout); |
|
|
|
} |
|
&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,\%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 $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $pdf_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; |
|
if ($papera eq 'letter') {$papera='';} |
|
if ($papera ne '') {$papera='-p'.$papera;} |
|
$comma = "psnup $papera -2 -s1.0 $new_name_file"; |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
"for $status_statement now Modifying PS layout", |
"for $status_statement now Modifying PS layout", |
\%prog_state,$tempo_file); |
\%prog_state,$tempo_file); |
Line 312 foreach $texfile (@texfile) {
|
Line 609 foreach $texfile (@texfile) {
|
$texps =~ s/\.tex/\.ps/; |
$texps =~ s/\.tex/\.ps/; |
my @garb = ($texaux,$texdvi,$texps); |
my @garb = ($texaux,$texdvi,$texps); |
# unlink @garb; |
# unlink @garb; |
unlink $duefile; |
unlink($duefile); |
print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>"; |
print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>"; |
if ($advans_role) { |
unlink($missfonts_file); |
print "<br /><br />"; |
|
print "<b><big>The link to "; |
} |
$logfilename=~s/\/home\/httpd//; |
if ($advanced_role) { |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
print "<br /><br />"; |
print "\n"; |
print "<b><big>The link to "; |
#link tooriginal LaTeX file (included according Michael Hamlin desire) |
$logfilename=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n"; |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
my @tex_content_of_file = <$tex_temporary_file>; |
print "\n"; |
close $tex_temporary_file; |
#link tooriginal LaTeX file (included according Michael Hamlin desire) |
my $body_tex_file = join(' ',@tex_content_of_file); |
my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n"; |
$texfile =~ s/\.tex$/aaaaa\.html/; |
my @tex_content_of_file = <$tex_temporary_file>; |
$tex_temporary_file = IO::File->new('>'.$texfile); |
close $tex_temporary_file; |
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
my $body_tex_file = join(' ',@tex_content_of_file); |
print "<br /><br />"; |
$texfile =~ s/\.tex$/aaaaa\.html/; |
print "<b><big>The link to "; |
$tex_temporary_file = IO::File->new('>'.$texfile); |
$texfile=~s/\/home\/httpd//; |
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
print "<br /><br />"; |
print "\n"; |
print "<b><big>The link to "; |
} |
$texfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
|
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/; |
Line 347 foreach $texfile (@texfile) {
|
Line 647 foreach $texfile (@texfile) {
|
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
"for $status_statement now Converting to PS", |
"for $status_statement now Converting to PS", |
\%prog_state,$new_name_file); |
\%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,\%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); |
|
} |
if (-e $new_name_file) { |
if (-e $new_name_file) { |
|
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, $busy_wait_timeout); |
|
if ($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_timeout); |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement third latex to repaginate", |
|
\%prog_state, $name_file, $busy_wait_timeout); |
|
} |
|
if ($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, $busy_wait_timeout); |
|
} |
|
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement dvips to repaginate", |
|
\%prog_state, $new_name_file); |
|
|
print "<br />"; |
print "<br />"; |
$new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $pdf_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 $new_name_file"; |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
"for $status_statement now Modifying PS layout", |
"for $status_statement now Modifying PS layout", |
\%prog_state,$tempo_file); |
\%prog_state,$tempo_file); |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
$papera=~s/t/p/; |
|
$comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"'; |
$comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"'; |
&busy_wait_command("$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", |
"for $status_statement now Modifying PS layout", |
"for $status_statement now Modifying PS layout", |
Line 401 foreach $texfile (@texfile) {
|
Line 762 foreach $texfile (@texfile) {
|
$texps =~ s/\.tex/\.ps/; |
$texps =~ s/\.tex/\.ps/; |
my @garb = ($texlog,$texaux,$texdvi,$texps); |
my @garb = ($texlog,$texaux,$texdvi,$texps); |
# unlink @garb; |
# unlink @garb; |
unlink $duefile; |
unlink($duefile); |
print "<a href=\"/prtspool/$pdf_file\">$link_text - click here to download pdf</a>"; |
print "<a href=\"/prtspool/$pdf_file\">$link_text - click here to download pdf</a>"; |
print "\n"; |
print "\n"; |
} |
} |
|
unlink($missfonts_file); |
|
|
} |
} |
} else { |
} else { |
print "LaTeX file $texfile was not created successfully"; |
print "LaTeX file $texfile was not created successfully"; |
Line 422 if ($number_of_files>1) {
|
Line 785 if ($number_of_files>1) {
|
print("<pre>Zip Output:\n"); |
print("<pre>Zip Output:\n"); |
system($statement); |
system($statement); |
print("</pre>"); |
print("</pre>"); |
$zipfile=~s/\/home\/httpd//; |
$zipfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs."; |
print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs."; |
} |
} |
if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
|
print(&Apache::loncommon::end_page()); |
my $done; |
my $done; |
|
|
sub REAPER { |
sub REAPER { |
$done=1; |
$done=1; |
} |
} |
|
# |
|
# Execute a command updating the status window as the command's |
|
# output file builds up (at intervals of a second). |
|
# |
|
# If the timeout argument defined, then if that many seconds |
|
# elapses without an increase in the size of the output file, |
|
# the command will be killed (this deals with the case when |
|
# latex crawls into an infinite loop). |
|
# |
sub busy_wait_command { |
sub busy_wait_command { |
my ($command,$message,$progress_win,$output_file)=@_; |
my ($command,$message,$progress_win,$output_file, $timeout)=@_; |
|
|
$SIG{CHLD} = \&REAPER; |
$SIG{CHLD} = \&REAPER; |
$done=0; |
$done=0; |
my $pid=open(CMD,"$command |"); |
my $pid=open(CMD,"$command |"); |
if ($adv) { |
if ($advanced_role) { |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
} |
} |
|
my $last_size = 0; |
|
my $unchanged_time = 0; |
while(!$done) { |
while(!$done) { |
sleep 1; |
sleep 1; |
my $extra_msg; |
my $extra_msg; |
if ($output_file) { |
if ($output_file) { |
my $size=(stat($output_file))[7]; |
my $size=(stat($output_file))[7]; |
$extra_msg=", $size bytes generated"; |
$extra_msg=", $size bytes generated"; |
|
if ($size == $last_size) { |
|
$unchanged_time++; |
|
if ($timeout && ($unchanged_time > $timeout)) { |
|
print "<h1>Operation timed out!!!</h1>\n"; |
|
print "<p>Executing $command, the output file $output_file did not grow\n"; |
|
print "after $timeout seconds. This <em>may</em> indicate $command\n"; |
|
print "is in an infinite loop.\n"; |
|
print "See if printing fewer copies helps. Please contact LON-CAPA\n"; |
|
print "support about this in any event."; |
|
print "</p>"; |
|
kill(9, $pid); # Reaper will do the rest...I hope there's errors in the log. |
|
} |
|
} else { |
|
$last_size = $size; |
|
$unchanged_time = 0; |
|
} |
} |
} |
if ($adv) { |
if ($advanced_role) { |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win, |
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win, |
$message.$extra_msg); |
$message.$extra_msg); |
} |
} |
Line 457 sub busy_wait_command {
|
Line 847 sub busy_wait_command {
|
close(CMD); |
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:\s+\d+\s+\d+/) { |
|
my @pageinfo = split(/\s+/, $line); |
|
if ($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. |
|
# |
|
open(my $font_handle, $fontfile); |
|
my @font_commands = <$font_handle>; |
|
|
|
# make the list contain each command only once |
|
my %uniq; |
|
@font_commands = map { $uniq{$_}++ == 0 ? $_ : () } @font_commands; |
|
|
|
# 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); |
|
|
|
} |
|
|
|
} |