version 1.41, 2004/01/08 19:50:47
|
version 1.170, 2024/07/11 12:15:16
|
Line 27
|
Line 27
|
# |
# |
|
|
use lib '/home/httpd/lib/perl'; |
use lib '/home/httpd/lib/perl'; |
use LONCAPA::loncgi(); |
use LONCAPA::loncgi; |
use File::Path; |
use File::Path; |
|
use File::Basename; |
|
use File::Copy; |
use IO::File; |
use IO::File; |
use Image::Magick; |
use Image::Magick; |
|
use Apache::lonhtmlcommon(); |
|
use Apache::lonnet; |
|
use Apache::loncommon(); |
|
use Apache::lonlocal; |
|
use Apache::lonmsg(); |
|
use LONCAPA::Enrollment; |
|
use LONCAPA::Configuration; |
|
use LONCAPA; |
|
use Archive::Zip qw( :ERROR_CODES ); |
|
|
|
use strict; |
|
|
|
my $busy_wait_timeout = 30; |
|
my $pdfs_converted = 0; # non zero if PDF includes (need to fixps). |
|
|
|
my $debugging = 0; |
|
|
|
sub debug { |
|
if ($debugging) { |
|
my ($text) = @_; |
|
print "$text <br />\n"; |
|
} |
|
} |
|
|
|
# Determine if a user is operating as a student for this course/domain. |
|
#Parameters: |
|
# none |
|
#Implicit: |
|
# $env{request.role} contains the role under which this user operated this |
|
# this request. |
|
sub is_student { |
|
return ($env{'request.role'}=~/^st\./); |
|
} |
|
|
|
# |
|
# Debugging: Dump the environment for debugging. |
|
# |
|
sub dumpenv { |
|
print "<br />-------------------<br />"; |
|
foreach my $key (sort (keys %env)) { |
|
print "<br />$key -> $env{$key}"; |
|
} |
|
print "<br />-------------------<br />"; |
|
} |
|
|
|
# |
|
# This sub sends a message to the appropriate person if there was an error |
|
# rendering the latex At present, there's only one case to consider: |
|
# a student printing inside a course results in messages to the course coordinator. |
|
#Parmaeters: |
|
# identifier - The unique identifier of this cgi request. |
|
# badresource- Filepath to most likely failing |
|
# logfile - The contents of the log file (included in the message). |
|
# texfile - reference to an array containing the LaTeX input file |
|
# (included in the message). |
|
#Implicit inputs: |
|
# From the environment: |
|
# cgi.$identifier.user - User doing the printing. |
|
# cgi.$identifier.domain - Domain the user is logged in on with printing. |
|
# cgi.$identifier.courseid - Id of the course (if this is a course). |
|
# cgi.$identifier.coursedom- Domain in which course was constituted. |
|
# cgi.$identifier.resources - List of resource URL's for which the print |
|
# was attempted. |
|
# |
|
sub send_error_mail { |
|
my ($identifier, $badresource, $logfile, $texfile) = @_; |
|
my $user = $env{"cgi.$identifier.user"}; |
|
my $domain = $env{"cgi.$identifier.domain"}; |
|
my $courseid = $env{"cgi.$identifier.courseid"}; |
|
my $coursedom= $env{"cgi.$identifier.coursedom"}; |
|
my $resources= $env{"cgi.$identifier.resources"}; |
|
|
|
# resource file->URL |
|
# |
|
my $badurl = &Apache::lonnet::declutter($badresource); |
|
|
|
# &dumpenv(); |
|
|
|
|
|
|
|
# Only continue if there is a user, domain, courseid, course domain |
|
# and resources: |
|
|
|
if(defined($user) && defined($domain) && defined($courseid) && |
|
defined($coursedom) && defined($resources) ){ |
|
|
|
# Only mail if the conditions are ripe for it: |
|
# The user is a student in the course: |
|
# |
|
|
|
if (&is_student()) { |
|
# build the subject and message body: |
|
&debug("sending message to course coordinators."); |
|
|
|
# Todo: Convert badurl into a url from file path: |
|
|
|
my $subject = "Error [$badurl] Print failed for $user".':'.$domain; |
|
my $message .= "Print failed to render LaTeX for $user".':'."$domain\n"; |
|
$message .= " User was attempting to print: \n"; |
|
foreach my $resource (split(/:/,$resources)) { |
|
$message .= " $resource\n"; |
|
} |
|
$message .= "--------------------LaTeX logfile:------------ \n"; |
|
$message .= $logfile; |
|
$message .= "-----------------LaTeX source file: ------------\n"; |
|
|
|
foreach my $line (@$texfile) { |
|
$message .= "$line\n"; |
|
} |
|
my (undef, %receivers) = &Apache::lonmsg::decide_receiver(undef, 0, |
|
1,1,1); |
|
&debug("sending...section: $env{'request.course.sec'}"); |
|
foreach my $dest (keys %receivers) { |
|
&debug("dest is $dest"); |
|
my @destinfo = split(/:/,$dest); |
|
my $user = $destinfo[0]; |
|
my $dom = $destinfo[1]; |
|
|
|
&Apache::lonmsg::user_normal_msg($user, $dom, |
|
$subject, $message); |
|
|
|
# No point in looking at the return status as there's no good |
|
# error action I can think of right now (log maybe?). |
|
} |
|
} |
|
} |
|
} |
|
|
|
$|=1; |
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 43 Your cookie information is incorrect.
|
Line 173 Your cookie information is incorrect.
|
</body> |
</body> |
</html> |
</html> |
END |
END |
return; |
exit; |
} |
} |
|
|
print "Content-type: text/html\n\n"; |
my %perlvar=%{&LONCAPA::Configuration::read_conf('loncapa.conf')}; |
print "<body bgcolor=\"#FFFFFF\">\n"; |
&Apache::lonlocal::get_language_handle(); |
|
&Apache::loncommon::content_type(undef,'text/html'); |
|
$env{'request.noversionuri'} = '/cgi-bin/printout.pl'; |
|
# Breadcrumbs |
|
#FIXME: Choose better/different breadcrumbs?!? Links? |
|
my $brcrum = [{'href' => '', |
|
'text' => 'Helper'}, #FIXME: Different origin possible than print out helper? |
|
{'href' => '', |
|
'text' => 'Preparing Printout'}, |
|
{'href' => '', |
|
'text' => 'Creating PDF'}]; |
|
print(&Apache::loncommon::start_page('Creating PDF', |
|
undef, |
|
{'bread_crumbs' => $brcrum,})); |
|
|
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 $selectionmade = $ENV{'cgi.'.$identifier.'.selection'}; |
my $paper = $env{'cgi.'.$identifier.'.paper'}; |
my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'}; |
my $selectionmade = $env{'cgi.'.$identifier.'.selection'}; |
my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'}; |
my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'}; |
my $advans_role = $ENV{'cgi.'.$identifier.'role'}; |
my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'}; |
|
my $advanced_role = $env{'cgi.'.$identifier.'.role'}; |
my $figfile = $texfile; |
my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
my $student_names = $env{'cgi.'.$identifier.'.studentnames'}; |
my $duefile = $texfile; |
my $backref = &unescape($env{'cgi.'.$identifier.'.backref'}); |
$duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/; |
|
#do we have figures? |
|
if (-e $figfile) { |
my @names_pack=(); |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; |
if ($student_names=~/_END_/) { |
my @content_of_file = <$temporary_file>; |
@names_pack=split(/_ENDPERSON_/,$student_names); |
close $temporary_file; |
} |
my $noteps; |
if ($backref) { |
foreach $not_eps (@content_of_file) { |
if ($backref =~ m{^(/uploaded/$LONCAPA::match_domain/$LONCAPA::match_courseid/default_\d+.page)}) { |
if ($not_eps ne '') { |
$backref = $1; |
$not_eps=~s|\/\.\/|\/|g; |
} |
my $eps_f = $not_eps; |
print('<p>'.&mt("[_1]Return[_2] to resource.", |
$eps_f =~ s/\.[^.]*$/\.eps/i; |
"<a href=\"$backref\"><b>","</b></a>").'</p>'); |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
print('<p><a href="javascript:gopost(\'/adm/printout\',\''.$backref.'\');">'. |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
&mt("Change Printing Options").'</a></p>'."\n"); |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
} |
} else { |
my $figfile = $texfile; |
$eps_f=~m/\/home\/httpd\/html\/res\/(.+)/; |
$figfile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.dat/; |
$eps_f = '/home/httpd/prtspool/'.$1; |
my $duefile = $texfile; |
} |
$duefile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.due/; |
my $path=$eps_f; |
|
$path=~s/\/([^\/]+)\.eps$//; |
|
File::Path::mkpath($path,0,0777); |
#------------------------------------------------------------------------------------- |
my $image = Image::Magick->new; |
# |
$not_eps =~ s/^\s+//; |
# Each print may have associated with it a file that contains a set of figures |
$not_eps =~ s/\s+$//; |
# that need to be converted to .eps from whatever form they were in when included |
$status = $image->Read($not_eps); |
# in the resource. The name of the figure file is in $figfile. If it exists, |
if ($status) {print " $status ";} |
# it contains the names of the files that need to be converted, one per line. |
$image->Set(page => '+100+200'); |
# |
$status = $image->Write($eps_f); |
|
if ($status) {print " $status ";} |
&debug("Figure file is $figfile"); |
#check is eps exist in prtspool |
|
if(not -e $eps_f) { |
if (-e $figfile) { |
for (my $i=0;$i<10000;$i++) { |
&debug( "Figure file exists"); |
if (-e $eps_f.'.'.$i) { |
&debug("$figfile exists"); |
rename $eps_f.'.'.$i, $eps_f; |
my %done_conversion; |
last; |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile for reading: $!\n"; |
} |
my @content_of_file = <$temporary_file>; |
} |
close $temporary_file; |
} |
my $noteps; |
} |
my %prog_state; |
|
if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('',$#content_of_file); } |
|
print('<br />'); |
|
foreach my $not_eps (@content_of_file) { |
|
chomp($not_eps); |
|
&debug( "Being asked to convert $not_eps"); |
|
if ($not_eps ne '') { |
|
$not_eps=~s|\/\.\/|\/|g; |
|
if (!$done_conversion{$not_eps}) { # Only convert multiple includes once. |
|
&convert_figure($not_eps); |
|
$done_conversion{$not_eps} = 1; |
|
} |
|
} |
|
} |
|
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); |
|
} |
|
unlink($figfile); |
|
} |
|
# End of figure conversion section: |
|
# |
|
#-------------------------------------------------------------------------------------------- |
|
# |
|
# Figure out which Tex files we need to process. If this is a large class e.g. |
|
# the instructor may have asked that the printout be by section, one section per file |
|
# in that case, the output tex fiels will be the base filename with 3 digit serial numbers |
|
# just prior to the .tex file type. |
|
# By the time this loop exits, @texfile is an array of the files to process. |
|
# |
|
|
|
my @texfile=($texfile); |
|
if ($number_of_files>1) { |
|
@texfile=(); |
|
for (my $i=1;$i<=$number_of_files;$i++) { |
|
my $new_texfile=$texfile; |
|
$new_texfile=~s/\.tex//; |
|
$new_texfile = sprintf("%s_%03d.tex", $new_texfile,$i); |
|
push @texfile,$new_texfile; |
|
} |
|
} |
|
|
|
#-------------------------------------------------------------------------------------------- |
|
|
|
my $ind=-1; |
|
|
|
my %prog_state; |
|
if ($advanced_role) { |
|
%prog_state=&Apache::lonhtmlcommon::Create_PrgWin('',$number_of_files); |
|
} |
|
print "<br />"; |
|
my $num_files = @texfile; # How does this differ from $number_of_files , can that be 0? |
|
|
|
|
|
|
|
|
|
foreach $texfile (@texfile) { |
|
my $status_statement=''; |
|
my $link_text='download PDF'; |
|
$ind++; |
|
|
|
#--------------------------------------------------------------------------------------- |
|
# This chunk of code |
|
# determines the status message for the printout, and the download link text. |
|
# If the print is for one or more students, both will contain the range of students |
|
# covered by this file. |
|
# |
|
|
|
my @stud_info=split(/_END_/,$names_pack[$ind]); |
|
my @tempo_array=split(/:/,$stud_info[0]); # username:domain:section:full name:... |
|
my $name; |
|
my $name_range=''; |
|
|
|
# $name -> Either user's full name or username:domain |
|
# $name_range -> Either user's last name or username. |
|
|
|
if ($tempo_array[3]) { |
|
$name=$tempo_array[3]; |
|
$name =~ s{^\s+|\s+$}{}g; |
|
if ($name =~ /,/) { |
|
($name_range) = split(/,/,$name, 2); |
|
} elsif ($name =~ /\s/) { |
|
$name_range = $name; |
|
$name_range =~ s/\s+/_/; |
|
} else { |
|
$name_range = $name; |
|
} |
|
$name_range =~ s/[^\w\:\-]+//g; |
|
} else { |
|
$name=$tempo_array[0].':'.$tempo_array[1]; |
|
$name_range = $tempo_array[0]; |
|
} |
|
|
|
# If there truly is a name add it to the status text so we know which |
|
# user is getting printed. |
|
# |
|
|
|
if (($name ne "") && ($name ne ':') ) { # Could be printing codes... |
|
$link_text='<b>'.$name.'</b>'; |
|
$status_statement.=$name; |
|
} |
|
|
|
# Group of students being printed... |
|
# $name_range -> first student's name - last student's name |
|
# |
|
|
|
if ($#stud_info>0) { |
|
@tempo_array=split(/:/,$stud_info[-1]); |
|
if ($tempo_array[3]) { |
|
$name=$tempo_array[3]; |
|
$name =~ s{^\s+|\s+$}{}g; |
|
my $lastname; |
|
if ($name =~ /,/) { |
|
($lastname) = split(/,/, $name,2); |
|
} elsif ($name =~ /\s/) { |
|
$lastname = $name; |
|
$lastname =~ s/\s+/_/; |
|
} else { |
|
$lastname = $name; |
|
} |
|
$name_range .= "-".$lastname; |
|
$name_range =~ s/[^\w\:\-]+//g; |
|
} else { |
|
$name=$tempo_array[0].':'.$tempo_array[1]; |
|
$name_range .= '-'.$tempo_array[0]; |
|
} |
|
if (($name ne "") && ($name ne ':')) { |
|
$link_text.=' - <b>'.$name.'</b>'; |
|
$status_statement.=' - '.$name; |
|
|
} |
} |
} |
} |
#print "$texfile\n"; #name of the tex file for debugging only |
|
if (-e $texfile) { |
# $name_range is the range of names in this file. |
|
# $name is the first of the names in this file. |
|
# |
|
#----------------------------------------------------------------------- |
|
|
|
# If the number of files is > 1, but we don't have multiple |
|
# student names, we must be printing an exam from codes. |
|
# The download link becomes the filename (basename.tex |
|
# The status info has the basename appended to it. |
|
# |
|
if(($num_files > 1) && ($link_text eq 'download PDF')) { |
|
$link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>'; |
|
$status_statement .= basename($texfile); |
|
} |
|
|
|
|
|
#------------------------------------------------------------------------ |
|
|
|
$name_range =~ s/'//g; # O'Neil -> ONeil e.g. |
|
|
|
|
|
print "<br/>"; |
|
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,&mt('Creating PDF for: [_1]',$status_statement)); |
|
} |
|
|
|
if (-e $texfile) { # Ensure the tex file exists: |
|
|
|
#--------------------------------------------------------------------- |
|
# |
|
# Put username ranges into the original tex |
|
# Tex filename from which they'll propagate into the other filenames as well. |
|
# |
|
|
|
if (($name_range ne '') && ($num_files > 1)) { |
|
my $newtexfile = $texfile; |
|
$newtexfile =~ s/\.tex/$name_range\.tex/; |
|
rename($texfile, $newtexfile); |
|
$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; $dvi_file =~ s/\.tex$/\.dvi/; |
if ($tableofcontents eq 'yes') { |
&make_dvi_file($name_file, |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
$dvi_file, |
} #to create table of contents |
$tableofcontents, |
my $idxname=$name_file; |
$tableofindex, |
$idxname=~s/\.tex$/\.idx/; |
$status_statement, |
if ($tableofindex eq 'yes') { |
\%prog_state, |
system("makeindex $idxname"); |
$busy_wait_timeout); |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
|
} #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 $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; |
|
my @content_of_file = <$temporary_file>; |
|
close $temporary_file; |
|
my $body_log_file = join(' ',@content_of_file); |
|
$logfilename =~ s/\.log$/\.html/; |
|
$temporary_file = IO::File->new('>'.$logfilename); |
|
print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
|
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 $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
|
if ($whereitbegins!=-1 and $whereitends!=-1) { |
|
print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />"; |
|
} |
|
print "Here are the error messages in the LaTeX log file</br><br />"; |
|
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]<br />"; |
|
} |
|
} |
|
if ($advans_role) { |
|
print "<b><big>The link to "; |
|
$logfilename=~s/\/home\/httpd//; |
|
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
|
print "\n"; |
|
#link tooriginal LaTeX file (included according Michael Hamlin desire) |
|
my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
|
my @tex_content_of_file = <$tex_temporary_file>; |
|
close $tex_temporary_file; |
|
my $body_tex_file = join(' ',@tex_content_of_file); |
|
$texfile =~ s/\.tex$/aaaaa\.html/; |
|
$tex_temporary_file = IO::File->new('>'.$texfile); |
|
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
|
print "<br /><br />"; |
|
print "<b><big>The link to "; |
|
$texfile=~s/\/home\/httpd//; |
|
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
|
print "\n"; |
|
} |
|
|
|
} elsif ($body_log_file=~m/<inserted text>/) { |
|
my $whereitbegins = index $body_log_file,'<inserted text>'; |
my $logfilename = $texfile; $logfilename =~ s/\.tex$/\.log/; |
print "You are running LaTeX in the <b>batch mode</b>."; |
|
while ($whereitbegins != -1) { |
|
my $tempobegin=$whereitbegins; |
if (&analyze_logfile($logfilename, $texfile, $advanced_role)) { |
$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
|
my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; |
|
print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n"; |
|
print "Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.\n"; |
|
$whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; |
|
} |
|
$name_file =~ s/\.tex/\.dvi/; |
|
my $new_name_file = $name_file; |
|
$new_name_file =~ s/\.dvi/\.ps/; |
|
my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
|
system("$comma $name_file 1>/dev/null 2>/dev/null"); |
|
if (-e $new_name_file) { |
|
print "<h1>PDF output file (see link below)</h1>\n"; |
|
$new_name_file =~ m/^(.*)\./; |
|
my $tempo_file = $1.'temporar.ps'; |
|
my $name_file = $1.'.pdf'; |
|
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
|
$comma = "psnup -2 -s1.0 $new_name_file"; |
|
system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
|
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
|
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
|
$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
|
system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
|
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
|
} else { |
|
system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
|
} |
|
my $texlog = $texfile; |
|
my $texaux = $texfile; |
|
my $texdvi = $texfile; |
|
my $texps = $texfile; |
|
$texlog =~ s/\.tex/\.log/; |
|
$texaux =~ s/\.tex/\.aux/; |
|
$texdvi =~ s/\.tex/\.dvi/; |
|
$texps =~ s/\.tex/\.ps/; |
|
my @garb = ($texaux,$texdvi,$texps); |
|
# unlink @garb; |
|
unlink $duefile; |
|
print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
|
if ($advans_role) { |
|
print "<br /><br />"; |
|
print "<b><big>The link to "; |
|
$logfilename=~s/\/home\/httpd//; |
|
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
|
print "\n"; |
|
#link tooriginal LaTeX file (included according Michael Hamlin desire) |
|
my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
|
my @tex_content_of_file = <$tex_temporary_file>; |
|
close $tex_temporary_file; |
|
my $body_tex_file = join(' ',@tex_content_of_file); |
|
$texfile =~ s/\.tex$/aaaaa\.html/; |
|
$tex_temporary_file = IO::File->new('>'.$texfile); |
|
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
|
print "<br /><br />"; |
|
print "<b><big>The link to "; |
|
$texfile=~s/\/home\/httpd//; |
|
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
|
print "\n"; |
|
} |
|
} |
|
} 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 $new_name_file"; |
# Explicitly include a switch for papertype, otherwise dvips will default |
system("$comma $name_file 1>/dev/null 2>/dev/null"); |
# to whatever is listed first in config.ps (which in most cases is a4). |
|
# Historically (since 2004) LON-CAPA printing expected to use the default, |
|
# i.e., a papertype of a4, when the user selected letter [8 1/2 x 11 in] |
|
# in the Layout options, so I follow that convention if $papera is letter. |
|
my $papera=$paper; |
|
if ($papera eq 'letter') {$papera='a4';} |
|
if ($papera ne '') {$papera='-t'.$papera;} |
|
my $extra_ps_header = $perlvar{'lonLib'} .'/includepsheader.ps'; |
|
my $comma = "dvips $papera -h $extra_ps_header -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. |
|
# |
|
|
|
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) { |
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, $numberofcolumns); |
|
|
|
&make_dvi_file($latex_file, |
|
$name_file, |
|
$tableofcontents, |
|
$tableofindex, |
|
$status_statement, |
|
\%prog_state, |
|
$busy_wait_timeout); |
|
|
|
|
|
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement dvips to repaginate", |
|
\%prog_state, $new_name_file); |
|
|
|
print "<br />"; |
$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/; |
|
#---- |
|
# The code below uses fixps to make pdf include in sequences work. |
|
# |
|
# $comma = "fixps --force $new_name_file"; |
|
# &debug("FIXPS command: $comma"); |
|
# &busy_wait_command("$comma 1>$tempo_file 2>/dev/null", |
|
# "for $status_statement now validating PS", |
|
# \%prog_state,$tempo_file); |
|
|
|
#--- |
|
# The code below uses gs to make pdf includes in sequences work |
|
|
|
# Use gs to fix the postscript -> level 1.5 |
|
# .. if pdfs were included |
|
# |
|
# pswrite device was removed from ghostscript 9.09 and later, |
|
# (ps2write device is used instead). |
|
# check which device is available, and use as the value |
|
# passed via -sDEVICE= arg in gs call to fix the postscript. |
|
# |
|
|
|
if ($pdfs_converted > 0) { |
|
my @possdevices = qw(ps2write pswrite); |
|
my $device; |
|
foreach my $poss (@possdevices) { |
|
if (open(PIPE,"gs -h |grep ' $poss ' 2>&1 |")) { |
|
my $output = <PIPE>; |
|
close(PIPE); |
|
chomp($output); |
|
if ($output =~ /\Q $poss \E/) { |
|
$device = $poss; |
|
} |
|
} |
|
last if ($device ne ''); |
|
} |
|
if ($device ne '') { |
|
$comma = "gs -sDEVICE=$device -dLanguageLevel=1.5 -permit-file-read=* "; |
|
&busy_wait_command("$comma -o $tempo_file $new_name_file 2>/dev/null 1>/dev/null", |
|
"for $status_statement now validating PS", |
|
\%prog_state, $tempo_file); |
|
|
|
#--- |
|
if (-e $tempo_file) { |
|
&busy_wait_command("mv $tempo_file $new_name_file", |
|
'File move', \%prog_state, $new_name_file); |
|
} |
|
} |
|
} |
if ($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"); |
&debug("PSNUP command: $comma"); |
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Modifying PS layout", |
|
\%prog_state,$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)" '.$new_name_file; |
system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
&debug("PSTOPS command: $comma "); |
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Modifying PS layout", |
|
\%prog_state,$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("ps2pdf13 $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 269 END
|
Line 606 END
|
$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/$name_file\">Your PDF document</a>"; |
print |
print "\n"; |
'<p>' |
|
.&mt('[_1] - [_2]Your PDF file[_3] is ready for download.', |
|
$link_text,'<a href="/prtspool/'.$pdf_file.'">','</a>') |
|
.'</p>'."\n"; |
} |
} |
} |
unlink($missfonts_file); |
|
|
|
} |
} else { |
} else { |
print "LaTeX file $texfile was not created successfully"; |
print |
|
'<p class="LC_error">' |
|
.&mt('The LaTeX file [_1] was not created successfully.', |
|
'<span class="LC_filename">'.$texfile.'</span>') |
|
.'</p>'; |
} |
} |
|
} |
|
if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
|
print "<br />"; |
|
if ($number_of_files>1) { |
|
print('<p>'.&mt('Zip Output:')."\n"); |
|
my %zip_prog_state; |
|
if ($advanced_role) { %zip_prog_state=&Apache::lonhtmlcommon::Create_PrgWin('',$number_of_files); } |
|
my $zipfile=$texfile[0]; |
|
$zipfile=~s/\.tex/\.zip/; |
|
my $zip = Archive::Zip->new(); |
|
my $counter = 0; |
|
foreach my $file (@texfile) { |
|
$file=~s/\.tex/.\pdf/; |
|
my $dest=$file; |
|
$dest=~s{^\Q$perlvar{'lonPrtDir'}\E}{prtspool}; |
|
$zip->addFile($file,$dest); |
|
$dest=~s/^prtspool//; |
|
$counter ++; |
|
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%zip_prog_state, |
|
&mt('[_1] added to zip archive ([_2] of [_3]', |
|
$dest,$counter,$number_of_files)); |
|
} |
|
} |
|
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%zip_prog_state,&mt('Writing zip file')); |
|
} |
|
if ($zip->writeToFileNamed($zipfile) == AZ_OK) { |
|
$zipfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
|
print |
|
'<p>' |
|
.&mt('A [_1]ZIP file[_2] of all the PDF files is ready for download.', |
|
'<a href="'.$zipfile.'">','</a>') |
|
.'</p>'; |
|
} else { |
|
print '<p class="LC_error">'. |
|
&mt('An error occurred creating a ZIP file of all the PDF files'). |
|
'</p>'; |
|
} |
|
if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%zip_prog_state); } |
|
} |
|
print(&Apache::loncommon::end_page()); |
|
my $done; |
|
|
|
sub REAPER { |
|
$done=1; |
|
} |
|
# |
|
# Execute a command updating the status window as the command's |
|
# output file builds up (at intervals of a second). |
|
# |
|
# If the timeout argument defined, then if that many seconds |
|
# elapses without an increase in the size of the output file, |
|
# the command will be killed (this deals with the case when |
|
# latex crawls into an infinite loop). |
|
# |
|
sub busy_wait_command { |
|
my ($command,$message,$progress_win,$output_file, $timeout)=@_; |
|
|
|
$SIG{CHLD} = \&REAPER; |
|
$done=0; |
|
my $pid=open(CMD,"$command |"); |
|
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
|
} |
|
my $last_size = 0; |
|
my $unchanged_time = 0; |
|
while(!$done) { |
|
sleep 1; |
|
my $extra_msg; |
|
if ($output_file) { |
|
my $size=(stat($output_file))[7]; |
|
$extra_msg=", $size bytes generated"; |
|
if ($size == $last_size) { |
|
$unchanged_time++; |
|
if ($timeout && ($unchanged_time > $timeout)) { |
|
print '<p class="LC_error">'.&mt('Operation timed out!')."</p>\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; |
|
$unchanged_time = 0; |
|
} |
|
} |
|
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message.$extra_msg); |
|
} |
|
} |
|
$SIG{CHLD}='IGNORE'; |
|
close(CMD); |
|
} |
|
|
|
# Make the dvi file (or rather try to), from the latex file and the |
|
# various bits and pieces that control how the latex file is processed: |
|
# LaTeX is run as many times a needed to make this all happen... this may |
|
# result in several runs of LaTeX that just are errors if the LaTeX is |
|
# bad, but the printing subsystem is _supposed_ to not do that. |
|
# |
|
# Parameters: |
|
# name_file - Name of the LaTeX file to process. |
|
# dvi_file - Name of resulting dvi file. |
|
# tableofcontents - "yes" if we are supposed to make a table of contents. |
|
# tableofindex - "yes" if we are suposed to make an index. |
|
# status_statement - Part of the status statement for ths status window. |
|
# prog_state - Reference to the program state hash. |
|
# busy_wait_timeout- Seconds without any progress that imply a problem. |
|
# |
|
# |
|
sub make_dvi_file { |
|
my ($name_file, |
|
$dvi_file, |
|
$tableofcontents, |
|
$tableofindex, |
|
$status_statement, |
|
$prog_state, |
|
$busy_wait_timeout) = @_; |
|
|
|
|
|
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now LaTeXing file", |
|
$prog_state,$dvi_file, $busy_wait_timeout); |
|
|
|
# If the tableof contents was requested, we need to run |
|
# LaTex a couple more times to get all the references sorted out. |
|
|
|
if ($tableofcontents eq 'yes') { |
|
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement First LaTeX of file for table of contents", |
|
$prog_state,$dvi_file, $busy_wait_timeout); |
|
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement Second LaTeX of file for table of contents", |
|
$prog_state,$dvi_file,$busy_wait_timeout); |
|
} |
|
|
|
# And makeindex and another run of LaTeX to incorporate it if the index |
|
# is enabled. |
|
|
|
|
|
if ($tableofindex eq 'yes') { |
|
my $idxname=$name_file; |
|
$idxname=~s/\.tex$/\.idx/; |
|
&busy_wait_command("makeindex $idxname", |
|
"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, $busy_wait_timeout); |
|
} |
|
|
|
} |
|
|
|
|
|
# Repagninate |
|
# What we need to do: |
|
# - Count the number of pages in each student. |
|
# - Rewrite the latex file replacing the \specials that |
|
# mark the end of student with an appropriate number of newlines. |
|
# parameters: |
|
# psfile - Postscript filename |
|
# latexfile - LaTeX filename |
|
# columns - number of columns. |
|
sub repaginate { |
|
|
|
# We will try to do this in 2 passes through the postscript since |
|
# the postscript is potentially large, to do 2 passes, the first pass |
|
# must be able to calculate the total number of document pages so that |
|
# at the beginning of the second pass we already know how to replace |
|
# %%Pages: |
|
|
|
# Figure out |
|
# 1. Number of pages in the document |
|
# 2. Maximum number of pages in a student |
|
# 3. Number of pages in each student. |
|
|
|
my ($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 $student_number = 0; # Index of student we're working on. |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,&mt("Repaginating student: [_1]",$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--; |
|
} |
|
|
|
$student_number++; |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,&mt("Repaginating student: [_1]",$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", |
|
$state); |
|
|
|
} |
|
|
|
} |
|
# |
|
# Convert a figure file to encapsulated postscript: |
|
# At present, this is using a lot of file scoped globals to pass data around. |
|
# Parameters: |
|
# not_eps - The name of the file to convert which, presumably, is not |
|
# already an eps file. |
|
# |
|
sub convert_figure { |
|
my ($not_eps) = @_; |
|
&debug("in convert_figure"); |
|
|
|
my $status_statement='EPS picture for '.$not_eps; |
|
my $eps_f = $not_eps; |
|
|
|
if ($eps_f=~/\/home\/httpd\/html\/priv\/[^\/]+\/([^\/]+)\//) { |
|
$eps_f=~s/\/home\/httpd\/html\/priv\/[^\/]+\/([^\/]+)/$1/; |
|
} elsif ($eps_f=~/$perlvar{'lonDocRoot'}\/res\//) { |
|
$eps_f=~ s/$perlvar{'lonDocRoot'}\/res\/(.+)/$1/; |
|
} elsif ($eps_f=~/$perlvar{'lonUsersDir'}\//) { |
|
$eps_f=~ s/$perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/$1\/$2/; |
|
} |
|
|
|
$eps_f = $perlvar{'lonPrtDir'}.'/'.$eps_f; |
|
|
|
# Spaces are problematic for system commands and LaTeX, replace with _ |
|
|
|
$eps_f =~ s/ /\_/g; |
|
|
|
# |
|
# If the file is already an .eps or .ps file (eps_f still has the original |
|
# file type), |
|
# We really just need to copy it from where it was to prtspool |
|
# but with the spaces substituted to _'s. |
|
# |
|
my ($nsname,$path, $sext) = &fileparse($eps_f, qr/\.(ps|eps)/i); |
|
if ($sext =~/ps$/i) { |
|
&File::Path::mkpath($path,0,0777); |
|
copy("$not_eps", "$eps_f"); |
|
} else { |
|
|
|
$eps_f .= '.eps'; # Just append the eps ext. |
|
my $path= &dirname($eps_f); |
|
&File::Path::mkpath($path,0,0777); |
|
$not_eps =~ s/^\s+//; |
|
$not_eps =~ s/\s+$//; |
|
my $prettyname=$not_eps; |
|
if ($advanced_role) { |
|
$prettyname=~s|$perlvar{'lonDocRoot'}/|/|; |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,&mt('Converting to EPS: [_1]',$prettyname)); |
|
} |
|
# |
|
# If the file is a PDF, need to use pdftops to convert it to a ps file. |
|
# otherwise use imagemagik: |
|
# |
|
if($not_eps =~/\.(pdf|PDF)$/) { |
|
|
|
# |
|
# For whatever reason, pure postscript conversions have to be |
|
# in the same dir as the base file: |
|
# |
|
$eps_f = &basename($eps_f); |
|
$eps_f = $perlvar{'lonPrtDir'}.'/'.$eps_f; |
|
|
|
&debug("Converting pdf $not_eps to postscript: $eps_f"); |
|
my @args = ('pdftops',$not_eps,$eps_f); |
|
system({$args[0]} @args); # Indirect object forces list processing mode. |
|
# See perlfunc documentation for exec(). |
|
if ($? and $advanced_role) { |
|
print '<p class="LC_warning">' |
|
.&mt('An error occurred during the conversion of [_1] to postscript.', |
|
'<span class="LC_filename">'.$prettyname.'</span>') |
|
.'</p>'; |
|
} else { |
|
$pdfs_converted++; # Need to fix ps in last pass. |
|
} |
|
} else { |
|
my @args = ('convert',$not_eps,$eps_f); |
|
system({$args[0]} @args); # Indirect object forces list processing mode. |
|
# See perlfunc documentation for exec(). |
|
if ($? and $advanced_role) { |
|
print '<p class="LC_warning">' |
|
.&mt('An error occurred during the conversion of [_1].', |
|
'<span class="LC_filename">'.$prettyname.'</span>') |
|
.'<br />' |
|
.&mt('If possible try to save this image using different settings and republish it.') |
|
.'</p>'; |
|
} |
|
} |
|
|
|
if (not -e $eps_f) { |
|
# converting an animated gif creates either: |
|
# anim.gif.eps.0 |
|
# or |
|
# anim.gif-0.eps |
|
for (my $i=0;$i<10000;$i++) { |
|
if (-e $eps_f.'.'.$i) { |
|
rename($eps_f.'.'.$i, $eps_f); |
|
last; |
|
} |
|
my $anim_eps = $eps_f; |
|
$anim_eps =~ s/(\.[^.]*)\.eps$/$1-$i\.eps/i; |
|
if (-e $anim_eps) { |
|
rename($anim_eps, $eps_f); |
|
last; |
|
} |
|
} |
|
} |
|
|
|
# imagemagick 6.2.0-6.2.7 fails to properly handle |
|
# convert anim.gif anim.gif.eps |
|
# it creates anim.eps instead. |
|
if (not -e $eps_f) { |
|
my $eps_f2 = $eps_f; |
|
$eps_f2 =~ s/\.[^.]*\.eps$/\.eps/i; |
|
if(-e $eps_f2) { |
|
rename($eps_f2,$eps_f); |
|
} |
|
} |
|
} |
|
|
|
} |
|
# |
|
# Analyze a LaTeX logfile producing appropriate output on error and |
|
# returning a boolean to let the caller know if, in our opinion, it's |
|
# worth continuing on to produce the PDF file. |
|
# |
|
# Parameters: |
|
# logfilename - Name of the logfile. |
|
# texfile - Name of the LaTeX file that was being processed. |
|
# advanced_role - True if the user is privileged with respect to the printout |
|
# (e.g. is the course coordinator or some such thing). |
|
# Returns: |
|
# 1 - Caller is advised to continue to create the PDF. |
|
# 0 - Caller need not bother creating the PDF. |
|
# Side Effects: |
|
# Messages are printed to describe any errors that have been encountered. |
|
# NOTE: |
|
# The current policy is to assume that if LaTeX decided to insert some text |
|
# it has salvaged the resource and the resource can be printed.. in that case |
|
# a message is emitted from this sub. |
|
# |
|
sub analyze_logfile { |
|
my ($logfilename, $texfile, $advanced_role) = @_; |
|
|
|
my $temporary_file=IO::File->new($logfilename) || die "Couldn't open log file $logfilename for reading: $!\n"; |
|
my @content_of_file = <$temporary_file>; |
|
close $temporary_file; |
|
my $body_log_file = join(' ',@content_of_file); |
|
$logfilename =~ s/\.log$/\.html/; |
|
$temporary_file = IO::File->new('>'.$logfilename); |
|
print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
|
if ($body_log_file=~m/!\s+Emergency stop/) { |
|
my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
|
my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
|
my $badresource; |
|
my $badtext; |
|
if ($whereitbegins!=-1 and $whereitends!=-1) { |
|
$badtext = substr($body_log_file,$whereitbegins+26, $whereitends-$whereitbegins-26); |
|
$whereitbegins = rindex $badtext,'located in'; |
|
if ($whereitbegins != -1) { |
|
|
|
$badresource = substr($badtext, $whereitbegins+27, |
|
length($badtext) - $whereitbegins - 48); |
|
# print "<br />failing resourcename: $badresource<br />"; |
|
} |
|
} |
|
|
|
# Guys with privileged roles get a more detailed error output: |
|
|
|
if ($advanced_role) { |
|
#LaTeX failed to parse tex file |
|
print "<h2>".&mt('LaTeX could not successfully parse your TeX file.')."</h2>"; |
|
print &mt('It probably has errors in it.')."<br />"; |
|
if ($badtext) { |
|
print &mt('With very high probability this error occurred in [_1].',$badtext) |
|
."<br /><br />"; |
|
} |
|
print &mt('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 />"; |
|
$logfilename=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
|
print "<b><big>" |
|
.&mt('The link to [_1]Your log file[_2]','<a href="'.$logfilename.'">','</a>') |
|
."</big></b>\n"; |
|
#link to original LaTeX file |
|
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>; |
|
close $tex_temporary_file; |
|
my $body_tex_file = join(' ',@tex_content_of_file); |
|
$texfile =~ s/\.tex$/aaaaa\.html/; |
|
$tex_temporary_file = IO::File->new('>'.$texfile); |
|
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
|
print "<br /><br />"; |
|
$texfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
|
print "<b><big>" |
|
.&mt('The link to [_1]Your original LaTeX file[_2]','<a href="'.$texfile.'">','</a>') |
|
."</big></b><br /><br />\n"; |
|
my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", &mt('Help on printing')); |
|
print ("$help_text"); |
|
|
|
# Students on the other hand get a minimal error message, since they won't |
|
# be able to correct the error message. A message is sent to the |
|
# instructor: |
|
|
|
} else { # Student role... |
|
# at this point: |
|
# $body_log_file - contains the log file. |
|
# $name_file - is the name of the LaTeX file. |
|
# $identifier - is the unique LaTeX identifier.l |
|
|
|
print '<p class="LC_error">'; |
|
if ($badtext) { |
|
print &mt('There are errors in [_1].',$badtext); |
|
} else { |
|
print &mt('There are errors.'); |
|
} |
|
print '</p>' |
|
.&mt('These errors prevent this resource from printing correctly.'); |
|
|
|
my $tex_handle = IO::File->new($texfile); |
|
my @tex_contents = <$tex_handle>; |
|
&send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents); |
|
print "<p>" |
|
.&mt('A message has been sent to the instructor describing this failure.') |
|
."</p>"; |
|
my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", &mt('Help on printing')); |
|
print ("$help_text"); |
|
|
|
} |
|
|
|
# Either way, an emergency stop does not allow us to continue so: |
|
|
|
return 0; |
|
|
|
# The branch of code below is taken if it appears that |
|
# there was no emergency stop but LaTeX had to correct the |
|
# input file to run. |
|
# In that case we need to provide error feedback, as the correction >may< not be |
|
# sufficient, we can let the game continue as there's a dvi file to process. |
|
|
|
} elsif ($body_log_file=~m/<inserted text>/) { |
|
my $whereitbegins = index $body_log_file,'<inserted text>'; |
|
print &mt('You are running LaTeX in [_1]batch mode[_2].','<b>','</b>'); |
|
while ($whereitbegins != -1) { |
|
my $tempobegin=$whereitbegins; |
|
$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
|
my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; |
|
print "<br />" |
|
.&mt('It has found an error in [_1][_2]and corrected it.',substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26),"<br />")."\n"; |
|
print &mt('Usually this correction is valid but you probably need to check the indicated resource one more time and implement necessary corrections by yourself.')."\n"; |
|
$whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; |
|
} |
|
|
|
if ($advanced_role) { |
|
print "<br /><br />"; |
|
$logfilename=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
|
print "<b><big>" |
|
.&mt('The link to [_1]Your log file[_2]' |
|
,'<a href="'.$logfilename.'">','</a>') |
|
."</big></b>\n"; |
|
#link to original LaTeX file |
|
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>; |
|
close $tex_temporary_file; |
|
my $body_tex_file = join(' ',@tex_content_of_file); |
|
$texfile =~ s/\.tex$/aaaaa\.html/; |
|
$tex_temporary_file = IO::File->new('>'.$texfile); |
|
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
|
print "<br /><br />"; |
|
$texfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool}; |
|
print "<b><big>" |
|
.&mt('The link to [_1]Your original LaTeX file[_2]','<a href="'.$texfile.'">','</a>'); |
|
print "</big></b>\n"; |
|
} |
|
return 1; |
|
} |
|
return 1; # NO log file issues at all. |
|
} |