Annotation of loncom/interface/printout.pl, revision 1.27

1.1       sakharuk    1: #!/usr/bin/perl
1.6       sakharuk    2: use IO::File;
1.7       sakharuk    3: use Image::Magick;
1.14      sakharuk    4:  print "Content-type: text/html\n\n";
1.27    ! www         5:  print "<body bgcolor=\"#FFFFFF\">\n";
1.21      sakharuk    6:   my ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'});
1.14      sakharuk    7:   my $figfile = $texfile;
                      8:   $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
                      9:   my $duefile = $texfile;
                     10:   $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
                     11:   #do we have figures?
                     12:   if (-e $figfile) {
                     13:       my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
                     14:       my @content_of_file = <$temporary_file>;
                     15:       close $temporary_file;  
                     16:       my $noteps;
                     17:       foreach $not_eps (@content_of_file) {
                     18: 	  if ($not_eps ne '') {
                     19: 	      my $eps_f = $not_eps;
                     20: 	      $eps_f =~ s/\.[^.]*$/\.eps/i;
                     21: 	      $_ = $eps_f;
                     22: 	      m/\/([^\/]+)$/;
                     23: 	      $eps_f = '/home/httpd/prtspool/'.$1;
                     24: 	      my $image = Image::Magick->new;
                     25: 	      $not_eps =~ s/^\s+//;
                     26: 	      $not_eps =~ s/\s+$//;
                     27: 	      $status = $image->Read($not_eps);
                     28: 	      if ($status) {print "  $status  ";}
                     29: 	      $image->Set(page => '+100+200'); 
                     30: 	      $status = $image->Write($eps_f);	    
                     31: 	      if ($status) {print "  $status  ";}
1.20      sakharuk   32:               #check is eps exist in prtspool
                     33:               if(not -e $eps_f) {
                     34: 		  for (my $i=0;$i<10000;$i++) {
                     35: 		      if (-e $eps_f.'.'.$i) {
                     36: 			  rename $eps_f.'.'.$i, $eps_f;
                     37: 			  last;
                     38: 		      }
                     39: 		  }
                     40: 	      }  
1.14      sakharuk   41: 	  }
                     42:       }
                     43:       unlink $figfile;
                     44:   }
                     45:   #print "$texfile\n"; #name of the tex file for debugging only
                     46:   $texfile =~ m/^(.*)\/([^\/]+)$/; 
                     47:   my $name_file = $2;
                     48:   my $path_file = $1.'/';
                     49:   chdir $path_file;
                     50:   system("latex $name_file 1>/dev/null 2>/dev/null");
1.17      sakharuk   51:   #Do we have a latex error in the log file?
                     52:   my $logfilename = $texfile;
                     53:   $logfilename =~ s/\.tex$/\.log/;
                     54:   my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
                     55:   my @content_of_file = <$temporary_file>;
                     56:   close $temporary_file; 
                     57:   my $body_log_file = join(' ',@content_of_file); 
                     58:   if ($body_log_file=~m/!\s+Emergency stop/) {
                     59:       #LaTeX failed to parse tex file 
1.22      sakharuk   60:       print "<h2>LaTeX could not successfully parse your tex file.</h2>";
                     61:       print "It probably has errors in it.<br />";
                     62:       my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
                     63:       my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
                     64:       if ($whereitbegins!=-1 and $whereitends!=-1) {
                     65: 	print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
                     66:       }
                     67:       print "Here are the error messages in the LaTeX log file</br><br />";
1.17      sakharuk   68:       my $sygnal = 0;
                     69:       for (my $i=0;$i<=$#content_of_file;$i++) {
1.22      sakharuk   70:           if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
1.17      sakharuk   71: 	      $sygnal = 1;
                     72: 	  } 
                     73: 	  if ($content_of_file[$i]=~m/Here is how much of/) {
                     74: 	      $sygnal = 0;
                     75: 	  } 
                     76: 	  if ($sygnal) {
                     77: 	      print "$content_of_file[$i]<br />";
                     78: 	  }  
                     79:       } 
                     80:   } else {
                     81:       #LaTeX successfully parsed tex file 
                     82:       $name_file =~ s/\.tex/\.dvi/;
1.14      sakharuk   83:       my $new_name_file = $name_file;
                     84:       $new_name_file =~ s/\.dvi/\.ps/;
1.23      albertel   85:       my $comma = "dvips -Ppdf -G0 -o $new_name_file";
1.24      sakharuk   86:       system("$comma $name_file 1>/dev/null 2>/dev/null");
1.17      sakharuk   87:       if (-e $new_name_file) {
1.27    ! www        88: 	  print "<h1><h1>Successfully created PDF output file (see link below)</h1>\n";
1.17      sakharuk   89: 	  $new_name_file =~ m/^(.*)\./;
                     90: 	  my $tempo_file = $1.'temporar.ps';
                     91: 	  my $name_file = $1.'.pdf';
1.22      sakharuk   92: 	  if ($laystyle eq 'album' and $numberofcolumns eq '2') {
1.17      sakharuk   93: 	      $comma = "psnup -2 -s1.0 $new_name_file";
1.24      sakharuk   94: 	      system("$comma $tempo_file 1>/dev/null 2>/dev/null"); 
                     95: 	      system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
1.18      sakharuk   96: 	  } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
1.21      sakharuk   97: 	      $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
1.24      sakharuk   98: 	      system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
                     99: 	      system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
1.18      sakharuk  100: 	  } else {
1.24      sakharuk  101: 	      system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
1.17      sakharuk  102: 	  }	    
                    103: 	  my $texlog = $texfile;
                    104: 	  my $texaux = $texfile;
                    105: 	  my $texdvi = $texfile;
                    106: 	  my $texps = $texfile;
                    107: 	  $texlog =~ s/\.tex/\.log/;
                    108: 	  $texaux =~ s/\.tex/\.aux/;
                    109: 	  $texdvi =~ s/\.tex/\.dvi/;
                    110: 	  $texps =~ s/\.tex/\.ps/;
                    111: 	  my @garb = ($texlog,$texaux,$texdvi,$texps);
1.22      sakharuk  112: #	  unlink @garb;
1.17      sakharuk  113: 	  unlink $duefile;
                    114: 	  print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
                    115: 	  print "\n";
1.14      sakharuk  116:       }
                    117:   }
1.17      sakharuk  118: 
                    119: 
                    120:   
1.1       sakharuk  121: 
                    122: 
                    123: 
                    124: 
1.4       sakharuk  125: 

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