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[ikiwiki.git] / IkiWiki / Render.pm
1 #!/usr/bin/perl
2
3 package IkiWiki;
4
5 use warnings;
6 use strict;
7 use IkiWiki;
8 use Encode;
9
10 my (%backlinks, %rendered);
11 our %brokenlinks;
12 my $links_calculated=0;
13
14 sub calculate_links () {
15         return if $links_calculated;
16         %backlinks=%brokenlinks=();
17         foreach my $page (keys %links) {
18                 foreach my $link (@{$links{$page}}) {
19                         my $bestlink=bestlink($page, $link);
20                         if (length $bestlink) {
21                                 $backlinks{$bestlink}{$page}=1
22                                         if $bestlink ne $page;
23                         }
24                         else {
25                                 push @{$brokenlinks{$link}}, $page;
26                         }
27                 }
28         }
29         $links_calculated=1;
30 }
31
32 sub backlink_pages ($) {
33         my $page=shift;
34
35         calculate_links();
36
37         return keys %{$backlinks{$page}};
38 }
39
40 sub backlinks ($) {
41         my $page=shift;
42
43         my @links;
44         foreach my $p (backlink_pages($page)) {
45                 my $href=urlto($p, $page);
46                 
47                 # Trim common dir prefixes from both pages.
48                 my $p_trimmed=$p;
49                 my $page_trimmed=$page;
50                 my $dir;
51                 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
52                         defined $dir &&
53                         $p_trimmed=~s/^\Q$dir\E// &&
54                         $page_trimmed=~s/^\Q$dir\E//;
55                                
56                 push @links, { url => $href, page => pagetitle($p_trimmed) };
57         }
58         return @links;
59 }
60
61 sub genpage ($$) {
62         my $page=shift;
63         my $content=shift;
64         
65         run_hooks(postscan => sub {
66                 shift->(page => $page, content => $content);
67         });
68
69         my $templatefile;
70         run_hooks(templatefile => sub {
71                 return if defined $templatefile;
72                 my $file=shift->(page => $page);
73                 if (defined $file && defined template_file($file)) {
74                         $templatefile=$file;
75                 }
76         });
77         my $template=template(defined $templatefile ? $templatefile : 'page.tmpl', blind_cache => 1);
78         my $actions=0;
79
80         if (length $config{cgiurl}) {
81                 if (IkiWiki->can("cgi_editpage")) {
82                         $template->param(editurl => cgiurl(do => "edit", page => $page));
83                         $actions++;
84                 }
85                 if (exists $hooks{auth}) {
86                         $template->param(prefsurl => cgiurl(do => "prefs"));
87                         $actions++;
88                 }
89         }
90                 
91         if (defined $config{historyurl} && length $config{historyurl}) {
92                 my $u=$config{historyurl};
93                 $u=~s/\[\[file\]\]/$pagesources{$page}/g;
94                 $template->param(historyurl => $u);
95                 $actions++;
96         }
97         if ($config{discussion}) {
98                 if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
99                    (length $config{cgiurl} ||
100                     exists $links{$page."/".$config{discussionpage}})) {
101                         $template->param(discussionlink => htmllink($page, $page, $config{discussionpage}, noimageinline => 1, forcesubpage => 1));
102                         $actions++;
103                 }
104         }
105
106         if ($actions) {
107                 $template->param(have_actions => 1);
108         }
109
110         my @backlinks=sort { $a->{page} cmp $b->{page} } backlinks($page);
111         my ($backlinks, $more_backlinks);
112         if (@backlinks <= $config{numbacklinks} || ! $config{numbacklinks}) {
113                 $backlinks=\@backlinks;
114                 $more_backlinks=[];
115         }
116         else {
117                 $backlinks=[@backlinks[0..$config{numbacklinks}-1]];
118                 $more_backlinks=[@backlinks[$config{numbacklinks}..$#backlinks]];
119         }
120
121         $template->param(
122                 title => $page eq 'index' 
123                         ? $config{wikiname} 
124                         : pagetitle(basename($page)),
125                 wikiname => $config{wikiname},
126                 content => $content,
127                 backlinks => $backlinks,
128                 more_backlinks => $more_backlinks,
129                 mtime => displaytime($pagemtime{$page}),
130                 ctime => displaytime($pagectime{$page}),
131                 baseurl => baseurl($page),
132         );
133
134         run_hooks(pagetemplate => sub {
135                 shift->(page => $page, destpage => $page, template => $template);
136         });
137         
138         $content=$template->output;
139         
140         run_hooks(format => sub {
141                 $content=shift->(
142                         page => $page,
143                         content => $content,
144                 );
145         });
146
147         return $content;
148 }
149
150 sub scan ($) {
151         my $file=shift;
152
153         debug(sprintf(gettext("scanning %s"), $file));
154
155         my $type=pagetype($file);
156         if (defined $type) {
157                 my $srcfile=srcfile($file);
158                 my $content=readfile($srcfile);
159                 my $page=pagename($file);
160                 will_render($page, htmlpage($page), 1);
161
162                 if ($config{discussion}) {
163                         # Discussion links are a special case since they're
164                         # not in the text of the page, but on its template.
165                         $links{$page}=[ $page."/".lc($config{discussionpage}) ];
166                 }
167                 else {
168                         $links{$page}=[];
169                 }
170                 delete $typedlinks{$page};
171
172                 run_hooks(scan => sub {
173                         shift->(
174                                 page => $page,
175                                 content => $content,
176                         );
177                 });
178
179                 # Preprocess in scan-only mode.
180                 preprocess($page, $page, $content, 1);
181         }
182         else {
183                 will_render($file, $file, 1);
184         }
185 }
186
187 sub fast_file_copy (@) {
188         my $srcfile=shift;
189         my $destfile=shift;
190         my $srcfd=shift;
191         my $destfd=shift;
192         my $cleanup=shift;
193
194         my $blksize = 16384;
195         my ($len, $buf, $written);
196         while ($len = sysread $srcfd, $buf, $blksize) {
197                 if (! defined $len) {
198                         next if $! =~ /^Interrupted/;
199                         error("failed to read $srcfile: $!", $cleanup);
200                 }
201                 my $offset = 0;
202                 while ($len) {
203                         defined($written = syswrite $destfd, $buf, $len, $offset)
204                                 or error("failed to write $destfile: $!", $cleanup);
205                         $len -= $written;
206                         $offset += $written;
207                 }
208         }
209 }
210
211 sub render ($$) {
212         my $file=shift;
213         return if $rendered{$file};
214         debug(shift);
215         $rendered{$file}=1;
216         
217         my $type=pagetype($file);
218         my $srcfile=srcfile($file);
219         if (defined $type) {
220                 my $page=pagename($file);
221                 delete $depends{$page};
222                 delete $depends_simple{$page};
223                 will_render($page, htmlpage($page), 1);
224                 return if $type=~/^_/;
225                 
226                 my $content=htmlize($page, $page, $type,
227                         linkify($page, $page,
228                         preprocess($page, $page,
229                         filter($page, $page,
230                         readfile($srcfile)))));
231                 
232                 my $output=htmlpage($page);
233                 writefile($output, $config{destdir}, genpage($page, $content));
234         }
235         else {
236                 delete $depends{$file};
237                 delete $depends_simple{$file};
238                 will_render($file, $file, 1);
239                 
240                 if ($config{hardlink}) {
241                         # only hardlink if owned by same user
242                         my @stat=stat($srcfile);
243                         if ($stat[4] == $>) {
244                                 prep_writefile($file, $config{destdir});
245                                 unlink($config{destdir}."/".$file);
246                                 if (link($srcfile, $config{destdir}."/".$file)) {
247                                         return;
248                                 }
249                         }
250                         # if hardlink fails, fall back to copying
251                 }
252                 
253                 my $srcfd=readfile($srcfile, 1, 1);
254                 writefile($file, $config{destdir}, undef, 1, sub {
255                         fast_file_copy($srcfile, $file, $srcfd, @_);
256                 });
257         }
258 }
259
260 sub prune ($) {
261         my $file=shift;
262
263         unlink($file);
264         my $dir=dirname($file);
265         while (rmdir($dir)) {
266                 $dir=dirname($dir);
267         }
268 }
269
270 sub srcdir_check () {
271         # security check, avoid following symlinks in the srcdir path by default
272         my $test=$config{srcdir};
273         while (length $test) {
274                 if (-l $test && ! $config{allow_symlinks_before_srcdir}) {
275                         error(sprintf(gettext("symlink found in srcdir path (%s) -- set allow_symlinks_before_srcdir to allow this"), $test));
276                 }
277                 unless ($test=~s/\/+$//) {
278                         $test=dirname($test);
279                 }
280         }
281         
282 }
283
284 sub find_src_files () {
285         my @files;
286         my %pages;
287         eval q{use File::Find};
288         error($@) if $@;
289         find({
290                 no_chdir => 1,
291                 wanted => sub {
292                         my $file=decode_utf8($_);
293                         $file=~s/^\Q$config{srcdir}\E\/?//;
294                         return if -l $_ || -d _ || ! length $file;
295                         my $page = pagename($file);
296                         if (! exists $pagesources{$page} &&
297                             file_pruned($file)) {
298                                 $File::Find::prune=1;
299                                 return;
300                         }
301
302                         my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
303                         if (! defined $f) {
304                                 warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
305                         }
306                         else {
307                                 push @files, $f;
308                                 if ($pages{$page}) {
309                                         debug(sprintf(gettext("%s has multiple possible source pages"), $page));
310                                 }
311                                 $pages{$page}=1;
312                         }
313                 },
314         }, $config{srcdir});
315         foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
316                 find({
317                         no_chdir => 1,
318                         wanted => sub {
319                                 my $file=decode_utf8($_);
320                                 $file=~s/^\Q$dir\E\/?//;
321                                 return if -l $_ || -d _ || ! length $file;
322                                 my $page=pagename($file);
323                                 if (! exists $pagesources{$page} &&
324                                     file_pruned($file)) {
325                                         $File::Find::prune=1;
326                                         return;
327                                 }
328
329                                 my ($f) = $file =~ /$config{wiki_file_regexp}/; # untaint
330                                 if (! defined $f) {
331                                         warn(sprintf(gettext("skipping bad filename %s"), $file)."\n");
332                                 }
333                                 else {
334                                         # avoid underlaydir override
335                                         # attacks; see security.mdwn
336                                         if (! -l "$config{srcdir}/$f" && 
337                                             ! -e _) {
338                                                 if (! $pages{$page}) {
339                                                         push @files, $f;
340                                                         $pages{$page}=1;
341                                                 }
342                                         }
343                                 }
344                         },
345                 }, $dir);
346         };
347         return \@files, \%pages;
348 }
349
350 sub find_new_files ($) {
351         my $files=shift;
352         my @new;
353         my @internal_new;
354
355         foreach my $file (@$files) {
356                 my $page=pagename($file);
357                 if (exists $pagesources{$page} && $pagesources{$page} ne $file) {
358                         # the page has changed its type
359                         $forcerebuild{$page}=1;
360                 }
361                 $pagesources{$page}=$file;
362                 if (! $pagemtime{$page}) {
363                         if (isinternal($page)) {
364                                 push @internal_new, $file;
365                         }
366                         else {
367                                 push @new, $file;
368                                 if ($config{gettime} && -e "$config{srcdir}/$file") {
369                                         eval {
370                                                 my $ctime=rcs_getctime("$config{srcdir}/$file");
371                                                 if ($ctime > 0) {
372                                                         $pagectime{$page}=$ctime;
373                                                 }
374                                         };
375                                         if ($@) {
376                                                 print STDERR $@;
377                                         }
378                                         my $mtime;
379                                         eval {
380                                                 my $mtime=rcs_getmtime("$config{srcdir}/$file");
381                                         };
382                                         if ($@) {
383                                                 print STDERR $@;
384                                         }
385                                         elsif ($mtime > 0) {
386                                                 utime($mtime, $mtime, "$config{srcdir}/$file");
387                                         }
388                                 }
389                         }
390                         $pagecase{lc $page}=$page;
391                         if (! exists $pagectime{$page}) {
392                                 $pagectime{$page}=(srcfile_stat($file))[10];
393                         }
394                 }
395         }
396
397         return \@new, \@internal_new;
398 }
399
400 sub find_del_files ($) {
401         my $pages=shift;
402         my @del;
403         my @internal_del;
404
405         foreach my $page (keys %pagemtime) {
406                 if (! $pages->{$page}) {
407                         if (isinternal($page)) {
408                                 push @internal_del, $pagesources{$page};
409                         }
410                         else {
411                                 push @del, $pagesources{$page};
412                         }
413                         $links{$page}=[];
414                         delete $typedlinks{$page};
415                         $renderedfiles{$page}=[];
416                         $pagemtime{$page}=0;
417                 }
418         }
419
420         return \@del, \@internal_del;
421 }
422
423 sub remove_del (@) {
424         foreach my $file (@_) {
425                 my $page=pagename($file);
426                 if (! isinternal($page)) {
427                         debug(sprintf(gettext("removing old page %s"), $page));
428                 }
429         
430                 foreach my $old (@{$oldrenderedfiles{$page}}) {
431                         prune($config{destdir}."/".$old);
432                 }
433
434                 foreach my $source (keys %destsources) {
435                         if ($destsources{$source} eq $page) {
436                                 delete $destsources{$source};
437                         }
438                 }
439         
440                 delete $pagecase{lc $page};
441                 delete $pagesources{$page};
442         }
443 }
444
445 sub find_changed ($) {
446         my $files=shift;
447         my @changed;
448         my @internal_changed;
449         foreach my $file (@$files) {
450                 my $page=pagename($file);
451                 my ($srcfile, @stat)=srcfile_stat($file);
452                 if (! exists $pagemtime{$page} ||
453                     $stat[9] > $pagemtime{$page} ||
454                     $forcerebuild{$page}) {
455                         $pagemtime{$page}=$stat[9];
456
457                         if (isinternal($page)) {
458                                 # Preprocess internal page in scan-only mode.
459                                 preprocess($page, $page, readfile($srcfile), 1);
460                                 push @internal_changed, $file;
461                         }
462                         else {
463                                 push @changed, $file;
464                         }
465                 }
466         }
467         return \@changed, \@internal_changed;
468 }
469
470 sub calculate_old_links ($$) {
471         my ($changed, $del)=@_;
472         my %oldlink_targets;
473         foreach my $file (@$changed, @$del) {
474                 my $page=pagename($file);
475                 if (exists $oldlinks{$page}) {
476                         foreach my $l (@{$oldlinks{$page}}) {
477                                 $oldlink_targets{$page}{$l}=bestlink($page, $l);
478                         }
479                 }
480         }
481         return \%oldlink_targets;
482 }
483
484 sub derender_internal ($) {
485         my $file=shift;
486         my $page=pagename($file);
487         delete $depends{$page};
488         delete $depends_simple{$page};
489         foreach my $old (@{$renderedfiles{$page}}) {
490                 delete $destsources{$old};
491         }
492         $renderedfiles{$page}=[];
493 }
494
495 sub render_linkers ($) {
496         my $f=shift;
497         my $p=pagename($f);
498         foreach my $page (keys %{$backlinks{$p}}) {
499                 my $file=$pagesources{$page};
500                 render($file, sprintf(gettext("building %s, which links to %s"), $file, $p));
501         }
502 }
503
504 sub remove_unrendered () {
505         foreach my $src (keys %rendered) {
506                 my $page=pagename($src);
507                 foreach my $file (@{$oldrenderedfiles{$page}}) {
508                         if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
509                                 debug(sprintf(gettext("removing %s, no longer built by %s"), $file, $page));
510                                 prune($config{destdir}."/".$file);
511                         }
512                 }
513         }
514 }
515
516 sub link_types_changed ($$) {
517         # each is of the form { type => { link => 1 } }
518         my $new = shift;
519         my $old = shift;
520
521         return 0 if !defined $new && !defined $old;
522         return 1 if !defined $new || !defined $old;
523
524         while (my ($type, $links) = each %$new) {
525                 foreach my $link (keys %$links) {
526                         return 1 unless exists $old->{$type}{$link};
527                 }
528         }
529
530         while (my ($type, $links) = each %$old) {
531                 foreach my $link (keys %$links) {
532                         return 1 unless exists $new->{$type}{$link};
533                 }
534         }
535
536         return 0;
537 }
538
539 sub calculate_changed_links ($$$) {
540         my ($changed, $del, $oldlink_targets)=@_;
541
542         my (%backlinkchanged, %linkchangers);
543
544         foreach my $file (@$changed, @$del) {
545                 my $page=pagename($file);
546
547                 if (exists $links{$page}) {
548                         foreach my $l (@{$links{$page}}) {
549                                 my $target=bestlink($page, $l);
550                                 if (! exists $oldlink_targets->{$page}{$l} ||
551                                     $target ne $oldlink_targets->{$page}{$l}) {
552                                         $backlinkchanged{$target}=1;
553                                         $linkchangers{lc($page)}=1;
554                                 }
555                                 delete $oldlink_targets->{$page}{$l};
556                         }
557                 }
558                 if (exists $oldlink_targets->{$page} &&
559                     %{$oldlink_targets->{$page}}) {
560                         foreach my $target (values %{$oldlink_targets->{$page}}) {
561                                 $backlinkchanged{$target}=1;
562                         }
563                         $linkchangers{lc($page)}=1;
564                 }
565
566                 # we currently assume that changing the type of a link doesn't
567                 # change backlinks
568                 if (!exists $linkchangers{lc($page)}) {
569                         if (link_types_changed($typedlinks{$page}, $oldtypedlinks{$page})) {
570                                 $linkchangers{lc($page)}=1;
571                         }
572                 }
573         }
574
575         return \%backlinkchanged, \%linkchangers;
576 }
577
578 sub render_dependent ($$$$$$$) {
579         my ($files, $new, $internal_new, $del, $internal_del,
580                 $internal_changed, $linkchangers)=@_;
581
582         my @changed=(keys %rendered, @$del);
583         my @exists_changed=(@$new, @$del);
584         
585         my %lc_changed = map { lc(pagename($_)) => 1 } @changed;
586         my %lc_exists_changed = map { lc(pagename($_)) => 1 } @exists_changed;
587          
588         foreach my $f (@$files) {
589                 next if $rendered{$f};
590                 my $p=pagename($f);
591                 my $reason = undef;
592         
593                 if (exists $depends_simple{$p}) {
594                         foreach my $d (keys %{$depends_simple{$p}}) {
595                                 if (($depends_simple{$p}{$d} & $IkiWiki::DEPEND_CONTENT &&
596                                      $lc_changed{$d})
597                                     ||
598                                     ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_PRESENCE &&
599                                      $lc_exists_changed{$d})
600                                     ||
601                                     ($depends_simple{$p}{$d} & $IkiWiki::DEPEND_LINKS &&
602                                      $linkchangers->{$d})
603                                 ) {
604                                         $reason = $d;
605                                         last;
606                                 }
607                         }
608                 }
609         
610                 if (exists $depends{$p} && ! defined $reason) {
611                         foreach my $dep (keys %{$depends{$p}}) {
612                                 my $sub=pagespec_translate($dep);
613                                 next unless defined $sub;
614
615                                 # only consider internal files
616                                 # if the page explicitly depends
617                                 # on such files
618                                 my $internal_dep=$dep =~ /internal\(/;
619
620                                 my $in=sub {
621                                         my $list=shift;
622                                         my $type=shift;
623                                         foreach my $file (@$list) {
624                                                 next if $file eq $f;
625                                                 my $page=pagename($file);
626                                                 if ($sub->($page, location => $p)) {
627                                                         if ($type == $IkiWiki::DEPEND_LINKS) {
628                                                                 next unless $linkchangers->{lc($page)};
629                                                         }
630                                                         return $page;
631                                                 }
632                                         }
633                                         return undef;
634                                 };
635
636                                 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_CONTENT) {
637                                         last if $reason =
638                                                 $in->(\@changed, $IkiWiki::DEPEND_CONTENT);
639                                         last if $internal_dep && ($reason =
640                                                 $in->($internal_new, $IkiWiki::DEPEND_CONTENT) ||
641                                                 $in->($internal_del, $IkiWiki::DEPEND_CONTENT) ||
642                                                 $in->($internal_changed, $IkiWiki::DEPEND_CONTENT));
643                                 }
644                                 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_PRESENCE) {
645                                         last if $reason = 
646                                                 $in->(\@exists_changed, $IkiWiki::DEPEND_PRESENCE);
647                                         last if $internal_dep && ($reason =
648                                                 $in->($internal_new, $IkiWiki::DEPEND_PRESENCE) ||
649                                                 $in->($internal_del, $IkiWiki::DEPEND_PRESENCE));
650                                 }
651                                 if ($depends{$p}{$dep} & $IkiWiki::DEPEND_LINKS) {
652                                         last if $reason =
653                                                 $in->(\@changed, $IkiWiki::DEPEND_LINKS);
654                                         last if $internal_dep && ($reason =
655                                                 $in->($internal_new, $IkiWiki::DEPEND_LINKS) ||
656                                                 $in->($internal_del, $IkiWiki::DEPEND_LINKS) ||
657                                                 $in->($internal_changed, $IkiWiki::DEPEND_LINKS));
658                                 }
659                         }
660                 }
661         
662                 if (defined $reason) {
663                         render($f, sprintf(gettext("building %s, which depends on %s"), $f, $reason));
664                         return 1;
665                 }
666         }
667
668         return 0;
669 }
670
671 sub render_backlinks ($) {
672         my $backlinkchanged=shift;
673         foreach my $link (keys %$backlinkchanged) {
674                 my $linkfile=$pagesources{$link};
675                 if (defined $linkfile) {
676                         render($linkfile, sprintf(gettext("building %s, to update its backlinks"), $linkfile));
677                 }
678         }
679 }
680
681 sub refresh () {
682         srcdir_check();
683         run_hooks(refresh => sub { shift->() });
684         my ($files, $pages)=find_src_files();
685         my ($new, $internal_new)=find_new_files($files);
686         my ($del, $internal_del)=find_del_files($pages);
687         my ($changed, $internal_changed)=find_changed($files);
688         run_hooks(needsbuild => sub { shift->($changed) });
689         my $oldlink_targets=calculate_old_links($changed, $del);
690
691         foreach my $file (@$changed) {
692                 scan($file);
693         }
694
695         calculate_links();
696         
697         remove_del(@$del, @$internal_del);
698
699         foreach my $file (@$changed) {
700                 render($file, sprintf(gettext("building %s"), $file));
701         }
702         foreach my $file (@$internal_new, @$internal_del, @$internal_changed) {
703                 derender_internal($file);
704         }
705
706         my ($backlinkchanged, $linkchangers)=calculate_changed_links($changed,
707                 $del, $oldlink_targets);
708
709         foreach my $file (@$new, @$del) {
710                 render_linkers($file);
711         }
712         
713         if (@$changed || @$internal_changed ||
714             @$del || @$internal_del || @$internal_new) {
715                 1 while render_dependent($files, $new, $internal_new,
716                         $del, $internal_del, $internal_changed,
717                         $linkchangers);
718         }
719
720         render_backlinks($backlinkchanged);
721         remove_unrendered();
722
723         if (@$del) {
724                 run_hooks(delete => sub { shift->(@$del) });
725         }
726         if (%rendered) {
727                 run_hooks(change => sub { shift->(keys %rendered) });
728         }
729 }
730
731 sub clean_rendered {
732         lockwiki();
733         loadindex();
734         remove_unrendered();
735         foreach my $page (keys %oldrenderedfiles) {
736                 foreach my $file (@{$oldrenderedfiles{$page}}) {
737                         prune($config{destdir}."/".$file);
738                 }
739         }
740 }
741
742 sub commandline_render () {
743         lockwiki();
744         loadindex();
745         unlockwiki();
746
747         my $srcfile=possibly_foolish_untaint($config{render});
748         my $file=$srcfile;
749         $file=~s/\Q$config{srcdir}\E\/?//;
750
751         my $type=pagetype($file);
752         die sprintf(gettext("ikiwiki: cannot build %s"), $srcfile)."\n" unless defined $type;
753         my $content=readfile($srcfile);
754         my $page=pagename($file);
755         $pagesources{$page}=$file;
756         $content=filter($page, $page, $content);
757         $content=preprocess($page, $page, $content);
758         $content=linkify($page, $page, $content);
759         $content=htmlize($page, $page, $type, $content);
760         $pagemtime{$page}=(stat($srcfile))[9];
761         $pagectime{$page}=$pagemtime{$page} if ! exists $pagectime{$page};
762
763         print genpage($page, $content);
764         exit 0;
765 }
766
767 1