10 sub linkify ($$) { #{{{
14 $content =~ s{(\\?)$config{wiki_link_regexp}}{
15 $2 ? ( $1 ? "[[$2|$3]]" : htmllink($page, titlepage($3), 0, 0, pagetitle($2)))
16 : ( $1 ? "[[$3]]" : htmllink($page, titlepage($3)))
22 sub htmlize ($$) { #{{{
26 if (! $INC{"/usr/bin/markdown"}) {
28 $blosxom::version="is a proper perl module too much to ask?";
30 do "/usr/bin/markdown";
33 if ($type eq '.mdwn') {
34 $content=Markdown::Markdown($content);
37 error("htmlization of $type not supported");
40 if (exists $hooks{sanitize}) {
41 foreach my $id (keys %{$hooks{sanitize}}) {
42 $content=$hooks{sanitize}{$id}{call}->($content);
49 sub backlinks ($) { #{{{
53 foreach my $p (keys %links) {
54 next if bestlink($page, $p) eq $page;
55 if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
56 my $href=File::Spec->abs2rel(htmlpage($p), dirname($page));
58 # Trim common dir prefixes from both pages.
60 my $page_trimmed=$page;
62 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
64 $p_trimmed=~s/^\Q$dir\E// &&
65 $page_trimmed=~s/^\Q$dir\E//;
67 push @links, { url => $href, page => $p_trimmed };
71 return sort { $a->{page} cmp $b->{page} } @links;
74 sub parentlinks ($) { #{{{
81 foreach my $dir (reverse split("/", $page)) {
84 unshift @ret, { url => "$path$dir.html", page => $dir };
90 unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
94 sub preprocess ($$) { #{{{
102 if (length $escape) {
103 return "[[$command $params]]";
105 elsif (exists $hooks{preprocess}{$command}) {
107 while ($params =~ /(\w+)=\"([^"]+)"(\s+|$)/g) {
110 return $hooks{preprocess}{$command}{call}->(page => $page, %params);
113 return "[[$command not processed]]";
117 $content =~ s{(\\?)$config{wiki_processor_regexp}}{$handle->($1, $2, $3)}eg;
121 sub add_depends ($$) { #{{{
125 if (! exists $depends{$page}) {
126 $depends{$page}=$globlist;
129 $depends{$page}=globlist_merge($depends{$page}, $globlist);
133 sub globlist_merge ($$) { #{{{
138 # Only add negated globs if they are not matched by the other globlist.
139 foreach my $i ((map { [ $a, $_ ] } split(" ", $b)),
140 (map { [ $b, $_ ] } split(" ", $a))) {
141 if ($i->[1]=~/^!(.*)/) {
142 if (! globlist_match($1, $i->[0])) {
154 sub genpage ($$$) { #{{{
159 my $title=pagetitle(basename($page));
161 my $template=HTML::Template->new(blind_cache => 1,
162 filename => "$config{templatedir}/page.tmpl");
164 if (length $config{cgiurl}) {
165 $template->param(editurl => cgiurl(do => "edit", page => $page));
166 $template->param(prefsurl => cgiurl(do => "prefs"));
168 $template->param(recentchangesurl => cgiurl(do => "recentchanges"));
172 if (length $config{historyurl}) {
173 my $u=$config{historyurl};
174 $u=~s/\[\[file\]\]/$pagesources{$page}/g;
175 $template->param(historyurl => $u);
177 $template->param(headercontent => $config{headercontent});
181 wikiname => $config{wikiname},
182 parentlinks => [parentlinks($page)],
184 backlinks => [backlinks($page)],
185 discussionlink => htmllink($page, "Discussion", 1, 1),
186 mtime => scalar(gmtime($mtime)),
187 styleurl => styleurl($page),
190 return $template->output;
193 sub check_overwrite ($$) { #{{{
194 # Important security check. Make sure to call this before saving
195 # any files to the source directory.
199 if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
200 error("$dest already exists and was rendered from ".
201 join(" ",(grep { $renderedfiles{$_} eq $dest } keys
203 ", before, so not rendering from $src");
210 return (stat($file))[9];
213 sub findlinks ($$) { #{{{
218 while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
219 push @links, titlepage($2);
221 # Discussion links are a special case since they're not in the text
222 # of the page, but on its template.
223 return @links, "$page/discussion";
226 sub render ($) { #{{{
229 my $type=pagetype($file);
230 my $srcfile=srcfile($file);
231 if ($type ne 'unknown') {
232 my $content=readfile($srcfile);
233 my $page=pagename($file);
234 delete $depends{$page};
236 if (exists $hooks{filter}) {
237 foreach my $id (keys %{$hooks{filter}}) {
238 $content=$hooks{filter}{$id}{call}->(
245 $links{$page}=[findlinks($content, $page)];
247 $content=linkify($content, $page);
248 $content=preprocess($page, $content);
249 $content=htmlize($type, $content);
251 check_overwrite("$config{destdir}/".htmlpage($page), $page);
252 writefile(htmlpage($page), $config{destdir},
253 genpage($content, $page, mtime($srcfile)));
254 $oldpagemtime{$page}=time;
255 $renderedfiles{$page}=htmlpage($page);
258 my $content=readfile($srcfile, 1);
260 delete $depends{$file};
261 check_overwrite("$config{destdir}/$file", $file);
262 writefile($file, $config{destdir}, $content, 1);
263 $oldpagemtime{$file}=time;
264 $renderedfiles{$file}=$file;
272 my $dir=dirname($file);
273 while (rmdir($dir)) {
278 sub refresh () { #{{{
279 # find existing pages
282 eval q{use File::Find};
286 if (/$config{wiki_file_prune_regexp}/) {
287 $File::Find::prune=1;
289 elsif (! -d $_ && ! -l $_) {
290 my ($f)=/$config{wiki_file_regexp}/; # untaint
292 warn("skipping bad filename $_\n");
295 $f=~s/^\Q$config{srcdir}\E\/?//;
297 $exists{pagename($f)}=1;
305 if (/$config{wiki_file_prune_regexp}/) {
306 $File::Find::prune=1;
308 elsif (! -d $_ && ! -l $_) {
309 my ($f)=/$config{wiki_file_regexp}/; # untaint
311 warn("skipping bad filename $_\n");
314 # Don't add files that are in the
316 $f=~s/^\Q$config{underlaydir}\E\/?//;
317 if (! -e "$config{srcdir}/$f" &&
318 ! -l "$config{srcdir}/$f") {
320 $exists{pagename($f)}=1;
325 }, $config{underlaydir});
329 # check for added or removed pages
331 foreach my $file (@files) {
332 my $page=pagename($file);
333 if (! $oldpagemtime{$page}) {
334 debug("new page $page") unless exists $pagectime{$page};
337 $pagesources{$page}=$file;
338 $pagectime{$page}=mtime(srcfile($file))
339 unless exists $pagectime{$page};
343 foreach my $page (keys %oldpagemtime) {
344 if (! $exists{$page}) {
345 debug("removing old page $page");
346 push @del, $pagesources{$page};
347 prune($config{destdir}."/".$renderedfiles{$page});
348 delete $renderedfiles{$page};
349 $oldpagemtime{$page}=0;
350 delete $pagesources{$page};
354 # render any updated files
355 foreach my $file (@files) {
356 my $page=pagename($file);
358 if (! exists $oldpagemtime{$page} ||
359 mtime(srcfile($file)) > $oldpagemtime{$page}) {
360 debug("rendering changed file $file");
366 # if any files were added or removed, check to see if each page
367 # needs an update due to linking to them or inlining them.
368 # TODO: inefficient; pages may get rendered above and again here;
369 # problem is the bestlink may have changed and we won't know until
372 FILE: foreach my $file (@files) {
373 my $page=pagename($file);
374 foreach my $f (@add, @del) {
376 foreach my $link (@{$links{$page}}) {
377 if (bestlink($page, $link) eq $p) {
378 debug("rendering $file, which links to $p");
388 # Handle backlinks; if a page has added/removed links, update the
389 # pages it links to. Also handles rebuilding dependat pages.
390 # TODO: inefficient; pages may get rendered above and again here;
391 # problem is the backlinks could be wrong in the first pass render
393 if (%rendered || @del) {
394 foreach my $f (@files) {
396 if (exists $depends{$p}) {
397 foreach my $file (keys %rendered, @del) {
399 my $page=pagename($file);
400 if (globlist_match($page, $depends{$p})) {
401 debug("rendering $f, which depends on $page");
411 foreach my $file (keys %rendered, @del) {
412 my $page=pagename($file);
414 if (exists $links{$page}) {
415 foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
417 (! exists $oldlinks{$page} ||
418 ! grep { bestlink($page, $_) eq $link } @{$oldlinks{$page}})) {
419 $linkchanged{$link}=1;
423 if (exists $oldlinks{$page}) {
424 foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
426 (! exists $links{$page} ||
427 ! grep { bestlink($page, $_) eq $link } @{$links{$page}})) {
428 $linkchanged{$link}=1;
433 foreach my $link (keys %linkchanged) {
434 my $linkfile=$pagesources{$link};
435 if (defined $linkfile) {
436 debug("rendering $linkfile, to update its backlinks");
438 $rendered{$linkfile}=1;
443 if (@del && exists $hooks{delete}) {
444 foreach my $id (keys %{$hooks{delete}}) {
445 $hooks{delete}{$id}{call}->(@del);
448 if (%rendered && exists $hooks{change}) {
449 foreach my $id (keys %{$hooks{change}}) {
450 $hooks{change}{$id}{call}->(keys %rendered);