11 my $backlinks_calculated=0;
13 sub calculate_backlinks () { #{{{
15 foreach my $page (keys %links) {
16 foreach my $link (@{$links{$page}}) {
17 my $bestlink=bestlink($page, $link);
18 if (length $bestlink && $bestlink ne $page) {
19 $backlinks{$bestlink}{$page}=1;
23 $backlinks_calculated=1;
26 sub backlinks ($) { #{{{
29 calculate_backlinks() unless $backlinks_calculated;
32 return unless $backlinks{$page};
33 foreach my $p (keys %{$backlinks{$page}}) {
34 my $href=abs2rel(htmlpage($p), dirname($page));
36 # Trim common dir prefixes from both pages.
38 my $page_trimmed=$page;
40 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
42 $p_trimmed=~s/^\Q$dir\E// &&
43 $page_trimmed=~s/^\Q$dir\E//;
45 push @links, { url => $href, page => pagetitle($p_trimmed) };
48 return sort { $a->{page} cmp $b->{page} } @links;
51 sub parentlinks ($) { #{{{
58 return if $page eq 'index'; # toplevel
59 foreach my $dir (reverse split("/", $page)) {
62 unshift @ret, { url => $path.htmlpage($dir), page => pagetitle($dir) };
68 unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
72 sub genpage ($$$) { #{{{
77 my $template=template("page.tmpl", blind_cache => 1);
80 if (length $config{cgiurl}) {
81 $template->param(editurl => cgiurl(do => "edit", page => $page));
82 $template->param(prefsurl => cgiurl(do => "prefs"));
84 $template->param(recentchangesurl => cgiurl(do => "recentchanges"));
89 if (length $config{historyurl}) {
90 my $u=$config{historyurl};
91 $u=~s/\[\[file\]\]/$pagesources{$page}/g;
92 $template->param(historyurl => $u);
95 if ($config{discussion}) {
96 $template->param(discussionlink => htmllink($page, $page, "Discussion", 1, 1));
101 $template->param(have_actions => 1);
105 title => $page eq 'index'
107 : pagetitle(basename($page)),
108 wikiname => $config{wikiname},
109 parentlinks => [parentlinks($page)],
111 backlinks => [backlinks($page)],
112 mtime => displaytime($mtime),
113 baseurl => baseurl($page),
116 run_hooks(pagetemplate => sub {
117 shift->(page => $page, destpage => $page, template => $template);
120 $content=$template->output;
122 run_hooks(format => sub {
135 return (stat($file))[9];
141 my $type=pagetype($file);
143 my $srcfile=srcfile($file);
144 my $content=readfile($srcfile);
145 my $page=pagename($file);
146 will_render($page, htmlpage($page), 1);
148 # Always needs to be done, since filters might add links
150 $content=filter($page, $content);
153 while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
154 push @links, titlepage($2);
156 if ($config{discussion}) {
157 # Discussion links are a special case since they're not in the
158 # text of the page, but on its template.
159 push @links, "$page/discussion";
161 $links{$page}=\@links;
163 # Preprocess in scan-only mode.
164 preprocess($page, $page, $content, 1);
168 sub render ($) { #{{{
171 my $type=pagetype($file);
172 my $srcfile=srcfile($file);
174 my $content=readfile($srcfile);
175 my $page=pagename($file);
176 delete $depends{$page};
177 will_render($page, htmlpage($page), 1);
179 $content=filter($page, $content);
180 $content=preprocess($page, $page, $content);
181 $content=linkify($page, $page, $content);
182 $content=htmlize($page, $type, $content);
184 writefile(htmlpage($page), $config{destdir},
185 genpage($page, $content, mtime($srcfile)));
186 $oldpagemtime{$page}=time;
189 my $content=readfile($srcfile, 1);
190 delete $depends{$file};
191 will_render($file, $file, 1);
192 writefile($file, $config{destdir}, $content, 1);
193 $oldpagemtime{$file}=time;
201 my $dir=dirname($file);
202 while (rmdir($dir)) {
207 sub refresh () { #{{{
208 # find existing pages
211 eval q{use File::Find};
216 if (/$config{wiki_file_prune_regexp}/) {
217 $File::Find::prune=1;
219 elsif (! -d $_ && ! -l $_) {
220 my ($f)=/$config{wiki_file_regexp}/; # untaint
222 warn("skipping bad filename $_\n");
225 $f=~s/^\Q$config{srcdir}\E\/?//;
227 $exists{pagename($f)}=1;
236 if (/$config{wiki_file_prune_regexp}/) {
237 $File::Find::prune=1;
239 elsif (! -d $_ && ! -l $_) {
240 my ($f)=/$config{wiki_file_regexp}/; # untaint
242 warn("skipping bad filename $_\n");
245 # Don't add files that are in the
247 $f=~s/^\Q$config{underlaydir}\E\/?//;
248 if (! -e "$config{srcdir}/$f" &&
249 ! -l "$config{srcdir}/$f") {
251 $exists{pagename($f)}=1;
256 }, $config{underlaydir});
260 # check for added or removed pages
262 foreach my $file (@files) {
263 my $page=pagename($file);
264 if (! $oldpagemtime{$page}) {
266 $pagecase{lc $page}=$page;
267 $pagesources{$page}=$file;
268 if ($config{getctime} && -e "$config{srcdir}/$file") {
269 $pagectime{$page}=rcs_getctime("$config{srcdir}/$file");
271 elsif (! exists $pagectime{$page}) {
272 $pagectime{$page}=mtime(srcfile($file));
277 foreach my $page (keys %oldpagemtime) {
278 if (! $exists{$page}) {
279 debug("removing old page $page");
280 push @del, $pagesources{$page};
282 $renderedfiles{$page}=[];
283 $oldpagemtime{$page}=0;
284 prune($config{destdir}."/".$_)
285 foreach @{$oldrenderedfiles{$page}};
286 delete $pagesources{$page};
290 # scan changed and new files
292 foreach my $file (@files) {
293 my $page=pagename($file);
295 if (! exists $oldpagemtime{$page} ||
296 mtime(srcfile($file)) > $oldpagemtime{$page} ||
297 $forcerebuild{$page}) {
298 debug("scanning $file");
299 push @changed, $file;
304 # render changed and new pages
305 foreach my $file (@changed) {
306 debug("rendering $file");
311 # if any files were added or removed, check to see if each page
312 # needs an update due to linking to them or inlining them
314 FILE: foreach my $file (@files) {
315 next if $rendered{$file};
316 my $page=pagename($file);
317 foreach my $f (@add, @del) {
319 foreach my $link (@{$links{$page}}) {
320 if (bestlink($page, $link) eq $p) {
321 debug("rendering $file, which links to $p");
331 if (%rendered || @del) {
332 # rebuild dependant pages
333 foreach my $f (@files) {
334 next if $rendered{$f};
336 if (exists $depends{$p}) {
337 foreach my $file (keys %rendered, @del) {
339 my $page=pagename($file);
340 if (pagespec_match($page, $depends{$p})) {
341 debug("rendering $f, which depends on $page");
350 # handle backlinks; if a page has added/removed links,
351 # update the pages it links to
353 foreach my $file (keys %rendered, @del) {
354 my $page=pagename($file);
356 if (exists $links{$page}) {
357 foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
359 (! exists $oldlinks{$page} ||
360 ! grep { bestlink($page, $_) eq $link } @{$oldlinks{$page}})) {
361 $linkchanged{$link}=1;
365 if (exists $oldlinks{$page}) {
366 foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
368 (! exists $links{$page} ||
369 ! grep { bestlink($page, $_) eq $link } @{$links{$page}})) {
370 $linkchanged{$link}=1;
375 foreach my $link (keys %linkchanged) {
376 my $linkfile=$pagesources{$link};
377 if (defined $linkfile) {
378 next if $rendered{$linkfile};
379 debug("rendering $linkfile, to update its backlinks");
381 $rendered{$linkfile}=1;
386 # remove no longer rendered files
387 foreach my $src (keys %rendered) {
388 my $page=pagename($src);
389 foreach my $file (@{$oldrenderedfiles{$page}}) {
390 if (! grep { $_ eq $file } @{$renderedfiles{$page}}) {
391 debug("removing $file, no longer rendered by $page");
392 prune($config{destdir}."/".$file);
398 run_hooks(delete => sub { shift->(@del) });
401 run_hooks(change => sub { shift->(keys %rendered) });
405 sub commandline_render () { #{{{
412 my $srcfile=possibly_foolish_untaint($config{render});
414 $file=~s/\Q$config{srcdir}\E\/?//;
416 my $type=pagetype($file);
417 die "ikiwiki: cannot render $srcfile\n" unless defined $type;
418 my $content=readfile($srcfile);
419 my $page=pagename($file);
420 $pagesources{$page}=$file;
421 $content=filter($page, $content);
422 $content=preprocess($page, $page, $content);
423 $content=linkify($page, $page, $content);
424 $content=htmlize($page, $type, $content);
426 print genpage($page, $content, mtime($srcfile));