Annotation of loncom/interface/printout.pl, revision 1.142.6.2
1.1 sakharuk 1: #!/usr/bin/perl
1.37 albertel 2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
3: #
1.142.6.2! raeburn 4: # $Id: printout.pl,v 1.142.6.1 2009/09/27 03:13:06 raeburn Exp $
1.37 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
1.39 sakharuk 29: use lib '/home/httpd/lib/perl';
1.76 albertel 30: use LONCAPA::loncgi;
1.38 sakharuk 31: use File::Path;
1.88 foxr 32: use File::Basename;
1.111 foxr 33: use File::Copy;
1.6 sakharuk 34: use IO::File;
1.7 sakharuk 35: use Image::Magick;
1.97 albertel 36: use Apache::lonhtmlcommon();
1.80 albertel 37: use Apache::lonnet;
1.97 albertel 38: use Apache::loncommon();
1.51 albertel 39: use Apache::lonlocal;
1.97 albertel 40: use Apache::lonmsg();
1.77 foxr 41: use LONCAPA::Enrollment;
1.123 albertel 42: use LONCAPA::Configuration;
1.47 sakharuk 43:
1.59 albertel 44: use strict;
1.77 foxr 45:
1.132 www 46: my $busy_wait_timeout = 30;
1.81 foxr 47:
1.141 foxr 48:
49: my $debugging = 0;
50:
1.135 foxr 51: sub debug {
1.141 foxr 52: if ($debugging) {
53: my ($text) = @_;
54: print "$text <br />\n";
55: }
1.135 foxr 56: }
57:
1.77 foxr 58: # Determine if a user is operating as a student for this course/domain.
59: #Parameters:
1.92 albertel 60: # none
1.77 foxr 61: #Implicit:
62: # $env{request.role} contains the role under which this user operated this
63: # this request.
64: sub is_student {
1.92 albertel 65: return ($env{'request.role'}=~/^st\./);
1.77 foxr 66: }
67:
68: #
69: # Debugging: Dump the environment for debugging.
70: #
71: sub dumpenv {
1.84 albertel 72: print "<br />-------------------<br />";
1.77 foxr 73: foreach my $key (sort (keys %env)) {
1.84 albertel 74: print "<br />$key -> $env{$key}";
1.77 foxr 75: }
1.84 albertel 76: print "<br />-------------------<br />";
1.77 foxr 77: }
78:
79: #
80: # This sub sends a message to the appropriate person if there was an error
81: # rendering the latex At present, there's only one case to consider:
82: # a student printing inside a course results in messages to the course coordinator.
83: #Parmaeters:
84: # identifier - The unique identifier of this cgi request.
1.81 foxr 85: # badresource- Filepath to most likely failing
1.77 foxr 86: # logfile - The contents of the log file (included in the message).
87: # texfile - reference to an array containing the LaTeX input file
88: # (included in the message).
89: #Implicit inputs:
90: # From the environment:
91: # cgi.$identifier.user - User doing the printing.
92: # cgi.$identifier.domain - Domain the user is logged in on with printing.
93: # cgi.$identifier.courseid - Id of the course (if this is a course).
94: # cgi.$identifier.coursedom- Domain in which course was constituted.
95: # cgi.$identifier.resources - List of resource URL's for which the print
96: # was attempted.
97: #
98: sub send_error_mail {
1.81 foxr 99: my ($identifier, $badresource, $logfile, $texfile) = @_;
1.77 foxr 100: my $user = $env{"cgi.$identifier.user"};
101: my $domain = $env{"cgi.$identifier.domain"};
102: my $courseid = $env{"cgi.$identifier.courseid"};
103: my $coursedom= $env{"cgi.$identifier.coursedom"};
104: my $resources= $env{"cgi.$identifier.resources"};
105:
1.81 foxr 106: # resource file->URL
107: #
108: my $badurl = &Apache::lonnet::declutter($badresource);
109:
110: # &dumpenv();
1.77 foxr 111:
112:
113:
114: # Only continue if there is a user, domain, courseid, course domain
115: # and resources:
116:
117: if(defined($user) && defined($domain) && defined($courseid) &&
118: defined($coursedom) && defined($resources) ){
119:
120: # Only mail if the conditions are ripe for it:
121: # The user is a student in the course:
122: #
123:
1.92 albertel 124: if (&is_student()) {
1.77 foxr 125: # build the subject and message body:
1.141 foxr 126: &debug("sending message to course coordinators.");
1.81 foxr 127:
128: # Todo: Convert badurl into a url from file path:
129:
130: my $subject = "Error [$badurl] Print failed for $user".'@'.$domain;
1.77 foxr 131: my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n";
132: $message .= " User was attempting to print: \n";
1.91 albertel 133: foreach my $resource (split(/:/,$resources)) {
134: $message .= " $resource\n";
135: }
1.77 foxr 136: $message .= "--------------------LaTeX logfile:------------ \n";
137: $message .= $logfile;
138: $message .= "-----------------LaTeX source file: ------------\n";
139:
140: foreach my $line (@$texfile) {
141: $message .= "$line\n";
142: }
1.122 albertel 143: my (undef, %receivers) = &Apache::lonmsg::decide_receiver(undef, 0,
144: 1,1,1);
1.141 foxr 145: &debug("sending...section: $env{'request.course.sec'}");
1.81 foxr 146: foreach my $dest (keys %receivers) {
1.141 foxr 147: &debug("dest is $dest");
1.77 foxr 148: my @destinfo = split(/:/,$dest);
149: my $user = $destinfo[0];
150: my $dom = $destinfo[1];
151:
152: &Apache::lonmsg::user_normal_msg($user, $dom,
153: $subject, $message);
154:
155: # No point in looking at the return status as there's no good
156: # error action I can think of right now (log maybe?).
157: }
158: }
159: }
160: }
161:
1.49 albertel 162: $|=1;
1.39 sakharuk 163: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
164: print <<END;
165: Content-type: text/html
166:
167: <html>
168: <head><title>Bad Cookie</title></head>
169: <body>
1.40 sakharuk 170: Your cookie information is incorrect.
1.39 sakharuk 171: </body>
172: </html>
173: END
1.142.6.2! raeburn 174: exit;
1.39 sakharuk 175: }
1.123 albertel 176:
177: my %perlvar=%{&LONCAPA::Configuration::read_conf('loncapa.conf')};
1.133 foxr 178: &Apache::lonlocal::get_language_handle();
179: &Apache::loncommon::content_type(undef,'text/html');
1.128 albertel 180: $env{'request.noversionuri'} = '/cgi-bin/printout.pl';
1.133 foxr 181: print(&Apache::loncommon::start_page('Creating PDF'));
182:
183: my $identifier = $ENV{'QUERY_STRING'};
184: my $texfile = $env{'cgi.'.$identifier.'.file'};
185: my $laystyle = $env{'cgi.'.$identifier.'.layout'};
186: my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'};
187: my $paper = $env{'cgi.'.$identifier.'.paper'};
188: my $selectionmade = $env{'cgi.'.$identifier.'.selection'};
189: my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'};
190: my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'};
191: my $advanced_role = $env{'cgi.'.$identifier.'.role'};
192: my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1;
193: my $student_names = $env{'cgi.'.$identifier.'.studentnames'};
194: my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'});
195:
196:
197: my @names_pack=();
198: if ($student_names=~/_END_/) {
199: @names_pack=split(/_ENDPERSON_/,$student_names);
200: }
201: if ($backref) {
202: print('<p>'.&mt("[_1]Return[_2] to editing resource.",
203: "<a href=\"$backref\"><b>","</b></a>").'</p>');
204: }
205: my $figfile = $texfile;
206: $figfile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.dat/;
207: my $duefile = $texfile;
208: $duefile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.due/;
209:
210:
211: #-------------------------------------------------------------------------------------
212: #
213: # Each print may have associated with it a file that contains a set of figures
214: # that need to be converted to .eps from whatever form they were in when included
215: # in the resource. The name of the figure file is in $figfile. If it exists,
216: # it contains the names of the files that need to be converted, one per line.
217: #
218:
1.141 foxr 219: &debug("Figure file is $figfile");
220:
1.133 foxr 221: if (-e $figfile) {
1.141 foxr 222: &debug( "Figure file exists");
223: &debug("$figfile exists");
1.133 foxr 224: my %done_conversion;
225: my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile for reading: $!\n";
226: my @content_of_file = <$temporary_file>;
227: close $temporary_file;
228: my $noteps;
229: my %prog_state;
230: if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Converting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); }
231: print('<br />');
232: foreach my $not_eps (@content_of_file) {
233: chomp($not_eps);
1.141 foxr 234: &debug( "Being asked to convert $not_eps");
1.133 foxr 235: if ($not_eps ne '') {
236: $not_eps=~s|\/\.\/|\/|g;
237: if (!$done_conversion{$not_eps}) { # Only convert multiple includes once.
238: &convert_figure($not_eps);
239: $done_conversion{$not_eps} = 1;
240: }
241: }
242: }
243: if ($advanced_role) {
244: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
245: }
246: unlink($figfile);
247: }
248: # End of figure conversion section:
249: #
250: #--------------------------------------------------------------------------------------------
1.135 foxr 251: #
252: # Figure out which Tex files we need to process. If this is a large class e.g.
253: # the instructor may have asked that the printout be by section, one section per file
254: # in that case, the output tex fiels will be the base filename with 3 digit serial numbers
255: # just prior to the .tex file type.
256: # By the time this loop exits, @texfile is an array of the files to process.
257: #
1.133 foxr 258:
1.135 foxr 259: my @texfile=($texfile);
260: if ($number_of_files>1) {
261: @texfile=();
262: for (my $i=1;$i<=$number_of_files;$i++) {
263: my $new_texfile=$texfile;
264: $new_texfile=~s/\.tex//;
265: $new_texfile = sprintf("%s_%03d.tex", $new_texfile,$i);
266: push @texfile,$new_texfile;
267: }
268: }
1.39 sakharuk 269:
1.135 foxr 270: #--------------------------------------------------------------------------------------------
1.43 sakharuk 271:
1.135 foxr 272: my $ind=-1;
1.98 albertel 273:
1.49 albertel 274: my %prog_state;
1.135 foxr 275: if ($advanced_role) {
1.136 bisitz 276: %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status',&mt('Class Print Status'),$number_of_files,'inline','80');
1.135 foxr 277: }
1.61 albertel 278: print "<br />";
1.135 foxr 279: my $num_files = @texfile; # How does this differ from $number_of_files , can that be 0?
280:
281:
282:
283:
1.43 sakharuk 284: foreach $texfile (@texfile) {
1.49 albertel 285: my $status_statement='';
286: my $link_text='download PDF';
287: $ind++;
1.135 foxr 288:
289: #---------------------------------------------------------------------------------------
290: # This chunk of code
291: # determines the status message for the printout, and the download link text.
292: # If the print is for one or more students, both will contain the range of students
293: # covered by this file.
294: #
295:
1.49 albertel 296: my @stud_info=split(/_END_/,$names_pack[$ind]);
1.135 foxr 297: my @tempo_array=split(/:/,$stud_info[0]); # username:domain:section:full name:...
1.49 albertel 298: my $name;
1.88 foxr 299: my $name_range='';
1.135 foxr 300:
301: # $name -> Either user's full name or username@domain
302: # $name_range -> Either user's last name or usrname.
303:
1.49 albertel 304: if ($tempo_array[3]) {
305: $name=$tempo_array[3];
1.89 foxr 306: ($name_range) = split(/,/,$name, 2);
1.49 albertel 307: } else {
308: $name=$tempo_array[0].'@'.$tempo_array[1];
1.88 foxr 309: $name_range = $tempo_array[0];
310: }
1.135 foxr 311:
312: # If there truly is a name add it to the status text so we know which
313: # user is getting printed.
314: #
315:
1.88 foxr 316: if (($name ne "") && ($name ne '@') ) { # Could be printing codes...
317: $link_text='<b>'.$name.'</b>';
318: $status_statement.=$name;
1.49 albertel 319: }
1.135 foxr 320:
321: # Group of students being printed...
322: # $name_range -> first student's name - last student's name
323: #
324:
1.49 albertel 325: if ($#stud_info>0) {
326: @tempo_array=split(/:/,$stud_info[-1]);
1.48 albertel 327: if ($tempo_array[3]) {
328: $name=$tempo_array[3];
1.89 foxr 329: my ($lastname) = split(/,/, $name,2);
330: $name_range .= "-".$lastname;
1.48 albertel 331: } else {
332: $name=$tempo_array[0].'@'.$tempo_array[1];
1.88 foxr 333: $name_range .= '-'.$tempo_array[0];
334: }
335: if (($name ne "") && ($name ne '@')) {
336: $link_text.=' - <b>'.$name.'</b>';
337: $status_statement.=' - '.$name;
338:
1.48 albertel 339: }
1.88 foxr 340: }
1.135 foxr 341:
342: # $name_range is the range of names in this file.
343: # $name is the first of the names in this file.
344: #
345: #-----------------------------------------------------------------------
346:
347: # If the number of files is > 1, but we don't have multiple
348: # student names, we must be printing an exam from codes.
349: # The download link becomes the filename (basename.tex
350: # The status info has the basename appended to it.
351: #
352: if(($num_files > 1) && ($link_text eq 'download PDF')) {
1.88 foxr 353: $link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>';
354: $status_statement .= basename($texfile);
355: }
1.135 foxr 356:
357:
358: #------------------------------------------------------------------------
359:
1.88 foxr 360: $name_range =~ s/'//g; # O'Neil -> ONeil e.g.
1.135 foxr 361:
362:
1.88 foxr 363: print "<br/>";
1.135 foxr 364: if ($advanced_role) {
365: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement);
366: }
367:
368: if (-e $texfile) { # Ensure the tex file exists:
369:
370: #---------------------------------------------------------------------
371: #
372: # Put username ranges into the original tex
373: # Tex filename from which they'll propagate into the other filenames as well.
374: #
375:
1.88 foxr 376: if (($name_range ne '') && ($num_files > 1)) {
377: my $newtexfile = $texfile;
378: $newtexfile =~ s/\.tex/$name_range\.tex/;
379: rename($texfile, $newtexfile);
380: $texfile = $newtexfile;
381: }
1.135 foxr 382:
383: #---------------------------------------------------------------------
384:
1.29 sakharuk 385: $texfile =~ m/^(.*)\/([^\/]+)$/;
386: my $name_file = $2;
387: my $path_file = $1.'/';
388: chdir $path_file;
1.132 www 389: my $dvi_file= $name_file; $dvi_file =~ s/\.tex$/\.dvi/;
1.135 foxr 390: &make_dvi_file($name_file,
391: $dvi_file,
392: $tableofcontents,
393: $tableofindex,
394: $status_statement,
395: \%prog_state,
396: $busy_wait_timeout);
1.90 foxr 397:
398:
1.135 foxr 399: #Do we have a latex error in the log file?
1.35 sakharuk 400:
1.105 foxr 401:
1.135 foxr 402: my $logfilename = $texfile; $logfilename =~ s/\.tex$/\.log/;
1.115 foxr 403:
1.63 sakharuk 404:
1.135 foxr 405: if (&analyze_logfile($logfilename, $texfile, $advanced_role)) {
406:
1.119 foxr 407:
1.29 sakharuk 408: #LaTeX successfully parsed tex file
409: $name_file =~ s/\.tex/\.dvi/;
410: my $new_name_file = $name_file;
411: $new_name_file =~ s/\.dvi/\.ps/;
1.67 sakharuk 412: my $papera=$paper;
1.62 sakharuk 413: if ($papera eq 'letter') {$papera='';}
414: if ($papera ne '') {$papera='-t'.$papera;}
1.139 foxr 415: my $extra_ps_header = $perlvar{'lonLib'} .'/includepsheader.ps';
416: my $comma = "dvips $papera -h $extra_ps_header -Ppdf -G0 -o $new_name_file";
1.59 albertel 417: &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
418: "for $status_statement now Converting to PS",
419: \%prog_state,$new_name_file);
1.115 foxr 420: #
421: # One last little hinky kinky thing.
422: # It's just possible that some fonts could not be maded
423: # at the resolution of the pdf print driver.
424: # In that case a file called missfont.log will have been
425: # created that will contain the commands that were attempted
426: # to create the missing fonts. If we basically
427: # take all the 8000 strings in that file, and
428: # replace them with 600 (the ljfour resolution)
429: # run the commands in that file and redvips,
430: # we'll be able to print the missing glyphs at 600dpi.
431: #
432: # Supposedly it is possible to tune TeX/Metafont to do this
433: # right but I failed to get that to work when following the
434: # docs at the tug site, hence this rather kludgey fix.
435: #
1.135 foxr 436:
1.115 foxr 437: my $print_directory = dirname($name_file);
438: my $missfonts_file = $print_directory."/missfont.log";
1.116 albertel 439: #print("<br /> Missing fonts file is: $missfonts_file");
1.115 foxr 440: if (-e $missfonts_file) {
1.116 albertel 441: #print("<br />Missing fonts file exists\n");
1.124 albertel 442: &create_missing_fonts($missfonts_file,\%prog_state);
1.118 albertel 443: &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
1.115 foxr 444: "for $status_statement dvips generated missing fonts",
445: \%prog_state, $new_name_file);
446: }
1.29 sakharuk 447: if (-e $new_name_file) {
1.102 foxr 448: my $latex_file = $name_file;
449: $latex_file =~ s/\.dvi/\.tex/;
450: &repaginate($new_name_file, $latex_file, $numberofcolumns);
1.135 foxr 451:
452: &make_dvi_file($latex_file,
453: $name_file,
454: $tableofcontents,
455: $tableofindex,
456: $status_statement,
457: \%prog_state,
458: $busy_wait_timeout);
459:
460:
1.102 foxr 461: &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
462: "for $status_statement dvips to repaginate",
463: \%prog_state, $new_name_file);
1.115 foxr 464:
1.61 albertel 465: print "<br />";
1.29 sakharuk 466: $new_name_file =~ m/^(.*)\./;
1.59 albertel 467: my $ps_file = my $tempo_file = $1.'temporar.ps';
468: my $pdf_file = $1.'.pdf';
1.82 albertel 469: $papera=~s/t/p/;
1.142.6.1 raeburn 470: $comma = "fixps --force $new_name_file";
471: &debug("FIXPS command: $comma");
472: &busy_wait_command("$comma 1>/dev/null 2>/dev/null",
473: "for $status_statement now validating PS",
474: \%prog_state,$tempo_file);
1.29 sakharuk 475: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
1.142.6.1 raeburn 476: $comma = "psnup $papera -2 -s1.0 $new_name_file";
1.141 foxr 477: &debug("PSNUP command: $comma");
1.142.6.1 raeburn 478: &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
1.59 albertel 479: "for $status_statement now Modifying PS layout",
480: \%prog_state,$tempo_file);
1.29 sakharuk 481: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
1.142.6.1 raeburn 482: $comma = 'pstops '.$papera.' "2:0+1(0.48w,0)" '.$new_name_file;
1.141 foxr 483: &debug("PSTOPS command: $comma ");
1.142.6.1 raeburn 484: &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
1.59 albertel 485: "for $status_statement now Modifying PS layout",
486: \%prog_state,$tempo_file);
1.29 sakharuk 487: } else {
1.59 albertel 488: $ps_file=$new_name_file;
489: }
1.67 sakharuk 490: my $addtoPSfile={'legal'=>'<< /PageSize [612 1008] >> setpagedevice',
491: 'tabloid'=>'<< /PageSize [792 1224] >> setpagedevice',
492: 'executive'=>,'<< /PageSize [540 720] >> setpagedevice',
493: 'a2'=>'<< /PageSize [1195.02 1690.09] >> setpagedevice',
494: 'a3'=>'<< /PageSize [842 1195.02] >> setpagedevice',
495: 'a4'=>'<< /PageSize [595.2 842] >> setpagedevice',
496: 'a5'=>'<< /PageSize [421.1 595.2] >> setpagedevice',
497: 'a6'=>'<< /PageSize [298.75 421.1] >> setpagedevice',
498: };
499: if ($paper ne 'letter') {
1.69 matthew 500: open(FFH,'<',$ps_file) || die "Couldn't open ps file $ps_file for reading: $!\n";
1.63 sakharuk 501: my $new_ps_file='new'.$ps_file;
1.69 matthew 502: open(FFHS,'>',$new_ps_file) || die "Couldn't open new ps file $new_ps_file for reading: $!\n";
1.67 sakharuk 503: print FFHS $addtoPSfile->{$paper}."\n";
1.63 sakharuk 504: while (<FFH>) {
505: print FFHS $_;
506: }
1.62 sakharuk 507: close(FFH);
1.63 sakharuk 508: close(FFHS);
509: $ps_file=$new_ps_file;
1.62 sakharuk 510: }
1.141 foxr 511: &busy_wait_command("ps2pdf13 $ps_file $pdf_file 1>/dev/null 2>/dev/null",
1.59 albertel 512: "for $status_statement now Converting PS to PDF",
513: \%prog_state,$pdf_file);
514:
1.29 sakharuk 515: my $texlog = $texfile;
516: my $texaux = $texfile;
517: my $texdvi = $texfile;
518: my $texps = $texfile;
519: $texlog =~ s/\.tex/\.log/;
520: $texaux =~ s/\.tex/\.aux/;
521: $texdvi =~ s/\.tex/\.dvi/;
522: $texps =~ s/\.tex/\.ps/;
523: my @garb = ($texlog,$texaux,$texdvi,$texps);
1.22 sakharuk 524: # unlink @garb;
1.120 albertel 525: unlink($duefile);
1.68 sakharuk 526: print "<a href=\"/prtspool/$pdf_file\">$link_text - click here to download pdf</a>";
1.29 sakharuk 527: print "\n";
528: }
1.120 albertel 529: unlink($missfonts_file);
1.119 foxr 530:
1.63 sakharuk 531: }
1.29 sakharuk 532: } else {
533: print "LaTeX file $texfile was not created successfully";
1.14 sakharuk 534: }
1.43 sakharuk 535: }
1.45 sakharuk 536: print "<br />";
1.44 sakharuk 537: if ($number_of_files>1) {
1.45 sakharuk 538: my $zipfile=$texfile[0];
539: $zipfile=~s/\.tex/\.zip/;
540: my $statement="zip $zipfile";
1.44 sakharuk 541: foreach my $file (@texfile) {
1.45 sakharuk 542: $file=~s/\.tex/.\pdf/;
543: $statement.=' '.$file;
1.44 sakharuk 544: }
1.49 albertel 545: print("<pre>Zip Output:\n");
546: system($statement);
547: print("</pre>");
1.123 albertel 548: $zipfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool};
1.49 albertel 549: print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs.";
1.44 sakharuk 550: }
1.92 albertel 551: if ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
1.97 albertel 552: print(&Apache::loncommon::end_page());
1.59 albertel 553: my $done;
1.102 foxr 554:
1.59 albertel 555: sub REAPER {
556: $done=1;
557: }
1.129 foxr 558: #
559: # Execute a command updating the status window as the command's
560: # output file builds up (at intervals of a second).
561: #
562: # If the timeout argument defined, then if that many seconds
563: # elapses without an increase in the size of the output file,
564: # the command will be killed (this deals with the case when
565: # latex crawls into an infinite loop).
566: #
1.59 albertel 567: sub busy_wait_command {
1.129 foxr 568: my ($command,$message,$progress_win,$output_file, $timeout)=@_;
1.59 albertel 569:
570: $SIG{CHLD} = \&REAPER;
571: $done=0;
572: my $pid=open(CMD,"$command |");
1.92 albertel 573: if ($advanced_role) {
1.60 albertel 574: &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message);
575: }
1.129 foxr 576: my $last_size = 0;
577: my $unchanged_time = 0;
1.59 albertel 578: while(!$done) {
579: sleep 1;
580: my $extra_msg;
581: if ($output_file) {
582: my $size=(stat($output_file))[7];
583: $extra_msg=", $size bytes generated";
1.129 foxr 584: if ($size == $last_size) {
585: $unchanged_time++;
586: if ($timeout && ($unchanged_time > $timeout)) {
1.132 www 587: print "<h1>Operation timed out!</h1>\n";
1.131 www 588: print "<p>Executing $command, the output file $output_file did not grow\n";
1.130 foxr 589: print "after $timeout seconds. This <em>may</em> indicate $command\n";
1.131 www 590: print "is in an infinite loop.\n";
591: print "See if printing fewer copies helps. Please contact LON-CAPA\n";
592: print "support about this in any event.";
1.130 foxr 593: print "</p>";
1.129 foxr 594: kill(9, $pid); # Reaper will do the rest...I hope there's errors in the log.
595: }
596: } else {
597: $last_size = $size;
598: $unchanged_time = 0;
599: }
1.59 albertel 600: }
1.92 albertel 601: if ($advanced_role) {
1.60 albertel 602: &Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,
603: $message.$extra_msg);
604: }
1.59 albertel 605: }
606: $SIG{CHLD}='IGNORE';
607: close(CMD);
608: }
1.1 sakharuk 609:
1.135 foxr 610: # Make the dvi file (or rather try to), from the latex file and the
611: # various bits and pieces that control how the latex file is processed:
612: # LaTeX is run as many times a needed to make this all happen... this may
613: # result in several runs of LaTeX that just are errors if the LaTeX is
1.136 bisitz 614: # bad, but the printing subsystem is _supposed_ to not do that.
1.135 foxr 615: #
616: # Parameters:
617: # name_file - Name of the LaTeX file to process.
618: # dvi_file - Name of resulting dvi file.
619: # tableofcontents - "yes" if we are supposed to make a table of contents.
620: # tableofindex - "yes" if we are suposed to make an index.
621: # status_statement - Part of the status statement for ths status window.
622: # prog_state - Reference to the program state hash.
623: # busy_wait_timeout- Seconds without any progress that imply a problem.
624: #
625: #
626: sub make_dvi_file {
627: my ($name_file,
628: $dvi_file,
629: $tableofcontents,
630: $tableofindex,
631: $status_statement,
632: $prog_state,
633: $busy_wait_timeout) = @_;
634:
635:
636: &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
637: "for $status_statement now LaTeXing file",
638: $prog_state,$dvi_file, $busy_wait_timeout);
639:
640: # If the tableof contents was requested, we need to run
641: # LaTex a couple more times to get all the references sorted out.
642:
643: if ($tableofcontents eq 'yes') {
644: &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
645: "for $status_statement First LaTeX of file for table of contents",
646: $prog_state,$dvi_file, $busy_wait_timeout);
647: &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
648: "for $status_statement Second LaTeX of file for table of contents",
649: $prog_state,$dvi_file,$busy_wait_timeout);
650: }
651:
652: # And makeindex and another run of LaTeX to incorporate it if the index
653: # is enabled.
654:
655:
656: if ($tableofindex eq 'yes') {
657: my $idxname=$name_file;
658: $idxname=~s/\.tex$/\.idx/;
659: &busy_wait_command("makeindex $idxname",
660: "making index file",
661: $prog_state,$idxname);
662: &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
663: "for $status_statement now LaTeXing file for index section",
664: $prog_state,$dvi_file, $busy_wait_timeout);
665: }
666:
667: }
668:
669:
1.102 foxr 670: # Repagninate
1.99 foxr 671: # What we need to do:
672: # - Count the number of pages in each student.
1.102 foxr 673: # - Rewrite the latex file replacing the \specials that
674: # mark the end of student with an appropriate number of newlines.
675: # parameters:
676: # psfile - Postscript filename
677: # latexfile - LaTeX filename
678: # columns - number of columns.
679: sub repaginate {
1.100 foxr 680:
681: # We will try to do this in 2 passes through the postscript since
682: # the postscript is potentially large, to do 2 passes, the first pass
683: # must be able to calculate the total number of document pages so that
684: # at the beginning of the second pass we already know how to replace
685: # %%Pages:
686:
687: # Figure out
688: # 1. Number of pages in the document
689: # 2. Maximum number of pages in a student
690: # 3. Number of pages in each student.
1.99 foxr 691:
1.102 foxr 692: my ($postscript_filename, $latex_filename, $num_columns) = @_;
1.99 foxr 693: open(PSFILE, "<$postscript_filename");
1.100 foxr 694: my $line;
695: my $total_pages; # Total pages in document.
696: my $seen_pages = 0; # There are several %%Pages only the first is useful
697: my @pages_in_student; # For each student his/her initial page count.
698: my $max_pages = 0; # Pages in 'longest' student.
1.102 foxr 699: my $page_number = 0;
1.104 foxr 700: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
1.110 albertel 701: &mt("Counting pages for student: [_1]",1));
1.104 foxr 702:
1.100 foxr 703: while ($line = <PSFILE>) {
704:
705: # Check for total pages (%%Pages:)
706:
1.101 albertel 707: if (($line =~ /^%%Pages:/) && (!$seen_pages)) {
1.100 foxr 708: my @pageinfo = split(/ /,$line);
709: $total_pages = $pageinfo[1];
710: $seen_pages = 1;
711: }
712: # Check for %%Page: n m $page_number will be the
713: # biggest of these until we see an endofstudent.
714: # Note that minipages generate spurious %Page: 1 1's so
715: # we only are looking for the largest n (n is page number at the
716: # bottom of the page, m the page number within the document.
717: #
1.102 foxr 718:
1.127 albertel 719: if ($line =~ /^%%Page:\s+\d+\s+\d+/) {
1.120 albertel 720: my @pageinfo = split(/\s+/, $line);
1.100 foxr 721: if ($page_number < $pageinfo[1]) {
722: $page_number = $pageinfo[1];
1.110 albertel 723: } elsif ($pageinfo[2] ne 1) {
724: # current page count reset, and it's not because of a
725: # minipage
726: # - save the page_number, reset and, if necessary
727: # update max_pages.
728: push(@pages_in_student, $page_number);
729: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
730: &mt("Counting pages for student: [_1]", scalar(@pages_in_student)));
731: if ($page_number > $max_pages) {
732: $max_pages = $page_number;
733: }
734: $page_number = $pageinfo[1];
1.100 foxr 735: }
736: }
737:
738:
739: }
1.110 albertel 740: # file ended so one more student
741: push(@pages_in_student, $page_number);
742: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
743: &mt("Counting pages for student: [_1]",scalar(@pages_in_student)));
744: if ($page_number > $max_pages) {
745: $max_pages = $page_number;
746: }
747: $page_number = 0;
748:
1.99 foxr 749: close(PSFILE);
1.102 foxr 750:
751: # If 2 columns, max_pages must go to an even number of columns:
1.103 foxr 752:
1.102 foxr 753:
754: if ($num_columns == 2) {
755: if ($max_pages % 2) {
756: $max_pages++;
757: }
758: }
1.100 foxr 759:
1.102 foxr 760: # Now rewrite the LaTex file, substituting our \special
761: # with an appropriate number of \newpage directives.
762:
763: my $outfilename = $latex_filename."temp";
764:
765: open(LATEXIN, "<$latex_filename");
766: open(LATEXOUT, ">$outfilename");
767:
768:
1.110 albertel 769: my $student_number = 0; # Index of student we're working on.
1.104 foxr 770: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
771: "Repaginating student ".$student_number+1);
1.102 foxr 772:
773: while (my $line = <LATEXIN>) {
774: if ($line eq "\\special{ps:ENDOFSTUDENTSTAMP}\n") {
775: # only end of student stamp if next line is ENDOFSTUDENTSTAMP:
776:
777:
778: # End of student replace with 0 or more newpages.
779:
780: my $addlines = $max_pages - $pages_in_student[$student_number];
781: while($addlines) {
1.108 albertel 782: print LATEXOUT '\clearpage \strut \clearpage';
1.105 foxr 783:
1.102 foxr 784: $addlines--;
1.100 foxr 785: }
1.102 foxr 786:
1.100 foxr 787: $student_number++;
1.104 foxr 788: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
789: "Repaginating student ".$student_number+1);
1.102 foxr 790:
791: } else {
792: print LATEXOUT $line;
1.100 foxr 793: }
794: }
795:
1.102 foxr 796: close(LATEXIN);
797: close(LATEXOUT);
1.108 albertel 798: rename($outfilename, $latex_filename);
1.100 foxr 799:
1.99 foxr 800: }
1.4 sakharuk 801:
1.115 foxr 802: #
803: # Create missing fonts given a latex missfonts.log file.
804: # This file will have lines like:
805: #
806: # mktexpk --mfmode ljfour --bdpi 8000 --mag 1+0/8000 --dpi 8000 tcrm0500
807: #
808: # We want to execute those lines with the 8000's changed to 600's
809: # in order to match the resolution of the ljfour printer.
810: # Of course if some wiseguy has changed the default printer from ljfour
811: # in the dvips's config.ps file that will break so we'll also
812: # ensure that --mfmode is ljfour.
813: #
814: sub create_missing_fonts {
815: my ($fontfile, $state) = @_;
816:
817: # Open and read in the font file..we'll read it into the array
818: # font_commands.
819: #
1.118 albertel 820: open(my $font_handle, $fontfile);
1.115 foxr 821: my @font_commands = <$font_handle>;
1.118 albertel 822:
823: # make the list contain each command only once
824: my %uniq;
825: @font_commands = map { $uniq{$_}++ == 0 ? $_ : () } @font_commands;
1.115 foxr 826:
827: # Now process each command replacing the appropriate 8000's with
828: # 600's ensuring that font names with 8000's in them are not corrupted.
829: # and if the --mfmode is not ljfour we turn it into ljfour.
830: # Then we execute the command.
831: #
1.118 albertel 832:
1.115 foxr 833: foreach my $command (@font_commands) {
1.116 albertel 834: #print("<br />Raw command: $command");
1.115 foxr 835: $command =~ s/ 8000/ 600/g; # dpi directives.
836: $command =~ s/\/8000/\/600/g; # mag directives.
1.116 albertel 837: #print("<br />After dpi replacements: $command");
1.115 foxr 838:
839: my @cmdarray = split(/ /,$command);
840: for (my $i =0; $i < scalar(@cmdarray); $i++) {
841: if ($cmdarray[$i] eq '--mfmode') {
842: $cmdarray[$i+1] = "ljfour";
843: }
844: }
1.116 albertel 845: #print("<br /> before reassembly : (@cmdarray)");
1.115 foxr 846: $command = join(" ", (@cmdarray));
847:
1.116 albertel 848: #print("<br />Creating fonts via command: $command");
1.118 albertel 849: &busy_wait_command("$command 1>/dev/null 2>/dev/null",
1.115 foxr 850: "Creating missing font",
1.124 albertel 851: $state);
1.115 foxr 852:
853: }
854:
855: }
1.133 foxr 856: #
857: # Convert a figure file to encapsulated postscript:
858: # At present, this is using a lot of file scoped globals to pass data around.
859: # Parameters:
860: # not_eps - The name of the file to convert which, presumably, is not
861: # already an eps file.
862: #
863: sub convert_figure {
864: my ($not_eps) = @_;
1.141 foxr 865: &debug("in convert_figure");
1.133 foxr 866:
867: my $status_statement='EPS picture for '.$not_eps;
868: my $eps_f = $not_eps;
1.134 foxr 869:
1.133 foxr 870: if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
871: $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
872: } elsif ($eps_f=~/$perlvar{'lonDocRoot'}\/res\//) {
1.134 foxr 873: $eps_f=~ s/$perlvar{'lonDocRoot'}\/res\/(.+)/$1/;
1.133 foxr 874: } elsif ($eps_f=~/$perlvar{'lonUsersDir'}\//) {
1.134 foxr 875: $eps_f=~ s/$perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/$1\/$2/;
1.133 foxr 876: }
1.134 foxr 877:
878: $eps_f = $perlvar{'lonPrtDir'}.'/'.$eps_f;
879:
880: # Spaces are problematic for system commands and LaTeX, replace with _
881:
882: $eps_f =~ s/ /\_/g;
883:
1.133 foxr 884: #
1.134 foxr 885: # If the file is already an .eps or .ps file (eps_f still has the original
886: # file type),
1.133 foxr 887: # We really just need to copy it from where it was to prtspool
888: # but with the spaces substituted to _'s.
889: #
1.134 foxr 890: my ($nsname,$path, $sext) = &fileparse($eps_f, qr/\.(ps|eps)/i);
1.133 foxr 891: if ($sext =~/ps$/i) {
892: &File::Path::mkpath($path,0,0777);
893: copy("$not_eps", "$eps_f");
894: } else {
895:
896: $eps_f .= '.eps'; # Just append the eps ext.
1.134 foxr 897: my $path= &dirname($eps_f);
1.133 foxr 898: &File::Path::mkpath($path,0,0777);
899: $not_eps =~ s/^\s+//;
900: $not_eps =~ s/\s+$//;
901: $not_eps =~ s/ /\\ /g;
902: if ($advanced_role) {
903: my $prettyname=$not_eps;
904: $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;
905: $prettyname=~s|$perlvar{'lonDocRoot'}/|/|;
906: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,
907: 'Converting to EPS '.$prettyname);
908: }
1.141 foxr 909: #
910: # If the file is a PDF, need to use pdftops to convert it to a ps file.
911: # otherwise use imagemagik:
912: #
913: if($not_eps =~/\.(pdf|PDF)$/) {
914:
915: #
916: # For whatever reason, pure postscript conversions have to be
917: # in the same dir as the base file:
918: #
919: $eps_f = &basename($eps_f);
920: $eps_f = $perlvar{'lonPrtDir'}.'/'.$eps_f;
921:
922: &debug("Converting pdf $not_eps to postscript: $eps_f");
923: system("pdftops $not_eps $eps_f");
924: } else {
925: system("convert $not_eps $eps_f");
926: }
1.134 foxr 927:
1.133 foxr 928: if (not -e $eps_f) {
929: # converting an animated gif creates either:
930: # anim.gif.eps.0
931: # or
932: # anim.gif-0.eps
933: for (my $i=0;$i<10000;$i++) {
934: if (-e $eps_f.'.'.$i) {
935: rename($eps_f.'.'.$i, $eps_f);
936: last;
937: }
938: my $anim_eps = $eps_f;
939: $anim_eps =~ s/(\.[^.]*)\.eps$/$1-$i\.eps/i;
940: if (-e $anim_eps) {
941: rename($anim_eps, $eps_f);
942: last;
943: }
944: }
945: }
946:
947: # imagemagick 6.2.0-6.2.7 fails to properly handle
948: # convert anim.gif anim.gif.eps
949: # it creates anim.eps instead.
950: if (not -e $eps_f) {
951: my $eps_f2 = $eps_f;
952: $eps_f2 =~ s/\.[^.]*\.eps$/\.eps/i;
953: if(-e $eps_f2) {
954: rename($eps_f2,$eps_f);
955: }
956: }
957: }
958:
959: }
1.135 foxr 960: #
961: # Analyze a LaTeX logfile producing appropriate output on error and
962: # returning a boolean to let the caller know if, in our opinion, it's
963: # worth continuing on to produce the PDF file.
964: #
965: # Parameters:
966: # logfilename - Name of the logfile.
967: # texfile - Name of the LaTeX file that was being processed.
968: # advanced_role - True if the user is privileged with respect to the printout
969: # (e.g. is the course coordinator or some such thing).
970: # Returns:
971: # 1 - Caller is advised to continue to create the PDF.
972: # 0 - Caller need not bother creating the PDF.
973: # Side Effects:
974: # Messages are printed to describe any errors that have been encountered.
975: # NOTE:
976: # The current policy is to assume that if LaTeX decided to insert some text
977: # it has salvaged the resource and the resource can be printed.. in that case
978: # a message is emitted from this sub.
979: #
980: sub analyze_logfile {
981: my ($logfilename, $texfile, $advanced_role) = @_;
982:
983: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open log file $logfilename for reading: $!\n";
984: my @content_of_file = <$temporary_file>;
985: close $temporary_file;
986: my $body_log_file = join(' ',@content_of_file);
987: $logfilename =~ s/\.log$/\.html/;
988: $temporary_file = IO::File->new('>'.$logfilename);
989: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
990: if ($body_log_file=~m/!\s+Emergency stop/) {
991: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
992: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
993: my $badresource;
994: my $badtext;
995: if ($whereitbegins!=-1 and $whereitends!=-1) {
996: $badtext = substr($body_log_file,$whereitbegins+26, $whereitends-$whereitbegins-26);
997: $whereitbegins = rindex $badtext,'located in';
998: if ($whereitbegins != -1) {
999:
1000: $badresource = substr($badtext, $whereitbegins+27,
1001: length($badtext) - $whereitbegins - 48);
1002: # print "<br />failing resourcename: $badresource<br />";
1003: }
1.136 bisitz 1004: }
1.135 foxr 1005:
1006: # Guys with privileged roles get a more detailed error output:
1007:
1008: if ($advanced_role) {
1009: #LaTeX failed to parse tex file
1.138 biermanm 1010: print "<h2>".&mt('LaTeX could not successfully parse your TeX file.')."</h2>";
1.136 bisitz 1011: print &mt('It probably has errors in it.')."<br />";
1012: if ($badtext) {
1013: print &mt('With very high probability this error occured in [_1].',$badtext)
1014: ."<br /><br />";
1015: }
1016: print &mt('Here are the error messages in the LaTeX log file:')
1017: ."<br /><pre>";
1.135 foxr 1018:
1019: my $sygnal = 0;
1020: for (my $i=0;$i<=$#content_of_file;$i++) {
1021: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
1022: $sygnal = 1;
1023: }
1024: if ($content_of_file[$i]=~m/Here is how much of/) {
1025: $sygnal = 0;
1026: }
1027: if ($sygnal) {
1028: print "$content_of_file[$i]";
1029: }
1030: }
1031: print "</pre>\n";
1032: # print "<br /> Advanced role <br />";
1033: $logfilename=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool};
1.136 bisitz 1034: print "<b><big>"
1035: .&mt('The link to [_1]Your log file[_2]','<a href="'.$logfilename.'">','</a>')
1036: ."</big></b>\n";
1.135 foxr 1037: #link to original LaTeX file
1038: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n";
1039: my @tex_content_of_file = <$tex_temporary_file>;
1040: close $tex_temporary_file;
1041: my $body_tex_file = join(' ',@tex_content_of_file);
1042: $texfile =~ s/\.tex$/aaaaa\.html/;
1043: $tex_temporary_file = IO::File->new('>'.$texfile);
1044: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
1045: print "<br /><br />";
1046: $texfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool};
1.136 bisitz 1047: print "<b><big>"
1048: .&mt('The link to [_1]Your original LaTeX file[_2]','<a href="'.$texfile.'">','</a>')
1049: ."</big></b><br /><br />\n";
1050: my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", &mt('Help on printing'));
1.135 foxr 1051: print ("$help_text");
1052:
1053: # Students on the other hand get a minimal error message, since they won't
1054: # be able to correct the error message. A message is sent to the
1055: # instructor:
1056:
1057: } else { # Student role...
1058: # at this point:
1059: # $body_log_file - contains the log file.
1060: # $name_file - is the name of the LaTeX file.
1061: # $identifier - is the unique LaTeX identifier.l
1062:
1.142 bisitz 1063: print '<p class="LC_error">';
1.136 bisitz 1064: if ($badtext) {
1065: print &mt('There are errors in [_1].',$badtext);
1066: } else {
1067: print &mt('There are errors.');
1068: }
1.142 bisitz 1069: print '</p>'
1070: .&mt('These errors prevent this resource from printing correctly.');
1071:
1.135 foxr 1072: my $tex_handle = IO::File->new($texfile);
1073: my @tex_contents = <$tex_handle>;
1074: &send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents);
1.136 bisitz 1075: print "<p>"
1076: .&mt('A message has been sent to the instructor describing this failure.')
1077: ."</p>";
1078: my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", &mt('Help on printing'));
1.135 foxr 1079: print ("$help_text");
1080:
1081: }
1082:
1083: # Either way, an emergency stop does not allow us to continue so:
1084:
1085: return 0;
1086:
1087: # The branch of code below is taken if it appears that
1088: # there was no emergency stop but LaTeX had to correct the
1089: # input file to run.
1090: # In that case we need to provide error feedback, as the correction >may< not be
1091: # sufficient, we can let the game continue as there's a dvi file to process.
1092:
1093: } elsif ($body_log_file=~m/<inserted text>/) {
1094: my $whereitbegins = index $body_log_file,'<inserted text>';
1.136 bisitz 1095: print &mt('You are running LaTeX in [_1]batch mode[_2].','<b>','</b>');
1.135 foxr 1096: while ($whereitbegins != -1) {
1097: my $tempobegin=$whereitbegins;
1098: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
1099: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
1.136 bisitz 1100: print "<br />"
1101: .&mt('It has found an error in [_1][_2]and corrected it.',substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26),"<br />")."\n";
1102: print &mt('Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.')."\n";
1.135 foxr 1103: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
1104: }
1105:
1106: if ($advanced_role) {
1107: print "<br /><br />";
1108: $logfilename=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool};
1.136 bisitz 1109: print "<b><big>"
1110: .&mt('The link to [_1]Your log file[_2]'
1.137 raeburn 1111: ,'<a href="'.$logfilename.'">','</a>')
1.136 bisitz 1112: ."</big></b>\n";
1.135 foxr 1113: #link to original LaTeX file
1114: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n";
1115: my @tex_content_of_file = <$tex_temporary_file>;
1116: close $tex_temporary_file;
1117: my $body_tex_file = join(' ',@tex_content_of_file);
1118: $texfile =~ s/\.tex$/aaaaa\.html/;
1119: $tex_temporary_file = IO::File->new('>'.$texfile);
1120: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
1121: print "<br /><br />";
1122: $texfile=~s{^\Q$perlvar{'lonPrtDir'}\E}{/prtspool};
1.136 bisitz 1123: print "<b><big>"
1124: .&mt('The link to [_1]Your original LaTeX file[_2]','<a href="'.$texfile.'">','</a>');
1125: print "</big></b>\n";
1.135 foxr 1126: }
1127: return 1;
1128: }
1129: return 1; # NO log file issues at all.
1130: }
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