- package IkiWiki;
- use warnings;
- use strict;
- use File::Spec;
- sub linkify ($$) { #{{{
- my $content=shift;
- my $page=shift;
- $content =~ s{(\\?)$config{wiki_link_regexp}}{
- $1 ? "[[$2]]" : htmllink($page, $2)
- }eg;
-
- return $content;
- } #}}}
- sub htmlize ($$) { #{{{
- my $type=shift;
- my $content=shift;
-
- if (! $INC{"/usr/bin/markdown"}) {
- no warnings 'once';
- $blosxom::version="is a proper perl module too much to ask?";
- use warnings 'all';
- do "/usr/bin/markdown";
- }
-
- if ($type eq '.mdwn') {
- return Markdown::Markdown($content);
- }
- else {
- error("htmlization of $type not supported");
- }
- } #}}}
- sub backlinks ($) { #{{{
- my $page=shift;
- my @links;
- foreach my $p (keys %links) {
- next if bestlink($page, $p) eq $page;
- if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
- my $href=File::Spec->abs2rel(htmlpage($p), dirname($page));
-
- # Trim common dir prefixes from both pages.
- my $p_trimmed=$p;
- my $page_trimmed=$page;
- my $dir;
- 1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
- defined $dir &&
- $p_trimmed=~s/^\Q$dir\E// &&
- $page_trimmed=~s/^\Q$dir\E//;
-
- push @links, { url => $href, page => $p_trimmed };
- }
- }
- return sort { $a->{page} cmp $b->{page} } @links;
- } #}}}
- sub parentlinks ($) { #{{{
- my $page=shift;
-
- my @ret;
- my $pagelink="";
- my $path="";
- my $skip=1;
- foreach my $dir (reverse split("/", $page)) {
- if (! $skip) {
- $path.="../";
- unshift @ret, { url => "$path$dir.html", page => $dir };
- }
- else {
- $skip=0;
- }
- }
- unshift @ret, { url => length $path ? $path : ".", page => $config{wikiname} };
- return @ret;
- } #}}}
- sub rsspage ($) { #{{{
- my $page=shift;
- return $page.".rss";
- } #}}}
- sub postprocess { #{{{
- # Takes content to postprocess followed by a list of postprocessor
- # commands and subroutine references to run for the commands.
- my $page=shift;
- my $content=shift;
- my %commands=@_;
-
- my $handle=sub {
- my $escape=shift;
- my $command=shift;
- my $params=shift;
- if (length $escape) {
- "[[$command $params]]";
- }
- elsif (exists $commands{$command}) {
- my %params;
- while ($params =~ /(\w+)=\"([^"]+)"(\s+|$)/g) {
- $params{$1}=$2;
- }
- $commands{$command}->($page, %params);
- }
- else {
- "[[bad directive $command]]";
- }
- };
-
- $content =~ s{(\\?)$config{wiki_processor_regexp}}{$handle->($1, $2, $3)}eg;
- return $content;
- } #}}}
- sub blog_list ($$) { #{{{
- my $globlist=shift;
- my $maxitems=shift;
-
- my @list;
- foreach my $page (keys %pagesources) {
- if (globlist_match($page, $globlist)) {
- push @list, $page;
- }
- }
- @list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
- return @list if ! $maxitems || @list <= $maxitems;
- return @list[0..$maxitems - 1];
- } #}}}
- sub get_inline_content ($$) { #{{{
- my $parentpage=shift;
- my $page=shift;
-
- my $file=$pagesources{$page};
- my $type=pagetype($file);
- if ($type ne 'unknown') {
- return htmlize($type, linkify(readfile("$config{srcdir}/$file"), $parentpage));
- }
- else {
- return "";
- }
- } #}}}
- sub postprocess_html_inline { #{{{
- my $parentpage=shift;
- my %params=@_;
-
- if (! exists $params{pages}) {
- return "";
- }
- if (! exists $params{archive}) {
- $params{archive}="no";
- }
- if (! exists $params{show} && $params{archive} eq "no") {
- $params{show}=10;
- }
- $inlinepages{$parentpage}=$params{pages};
-
- my $ret="";
-
- if (exists $params{rootpage}) {
- my $formtemplate=HTML::Template->new(blind_cache => 1,
- filename => "$config{templatedir}/blogpost.tmpl");
- $formtemplate->param(cgiurl => $config{cgiurl});
- $formtemplate->param(rootpage => $params{rootpage});
- my $form=$formtemplate->output;
- $ret.=$form;
- }
-
- my $template=HTML::Template->new(blind_cache => 1,
- filename => (($params{archive} eq "no")
- ? "$config{templatedir}/inlinepage.tmpl"
- : "$config{templatedir}/inlinepagetitle.tmpl"));
-
- foreach my $page (blog_list($params{pages}, $params{show})) {
- next if $page eq $parentpage;
- $template->param(pagelink => htmllink($parentpage, $page));
- $template->param(content => get_inline_content($parentpage, $page))
- if $params{archive} eq "no";
- $template->param(ctime => scalar(gmtime($pagectime{$page})));
- $ret.=$template->output;
- }
-
- return $ret;
- } #}}}
- sub genpage ($$$) { #{{{
- my $content=shift;
- my $page=shift;
- my $mtime=shift;
- $content = postprocess($page, $content, inline => \&postprocess_html_inline);
-
- my $title=pagetitle(basename($page));
-
- my $template=HTML::Template->new(blind_cache => 1,
- filename => "$config{templatedir}/page.tmpl");
-
- if (length $config{cgiurl}) {
- $template->param(editurl => "$config{cgiurl}?do=edit&page=$page");
- $template->param(prefsurl => "$config{cgiurl}?do=prefs");
- if ($config{rcs}) {
- $template->param(recentchangesurl => "$config{cgiurl}?do=recentchanges");
- }
- }
- if (length $config{historyurl}) {
- my $u=$config{historyurl};
- $u=~s/\[\[file\]\]/$pagesources{$page}/g;
- $template->param(historyurl => $u);
- }
- if ($config{rss} && $inlinepages{$page}) {
- $template->param(rssurl => rsspage($page));
- }
-
- $template->param(
- title => $title,
- wikiname => $config{wikiname},
- parentlinks => [parentlinks($page)],
- content => $content,
- backlinks => [backlinks($page)],
- discussionlink => htmllink($page, "Discussion", 1, 1),
- mtime => scalar(gmtime($mtime)),
- );
-
- return $template->output;
- } #}}}
- sub date_822 ($) { #{{{
- my $time=shift;
- eval q{use POSIX};
- return POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
- } #}}}
- sub absolute_urls ($$) { #{{{
- # sucky sub because rss sucks
- my $content=shift;
- my $url=shift;
- $url=~s/[^\/]+$//;
-
- $content=~s/<a\s+href="(?!http:\/\/)([^"]+)"/<a href="$url$1"/ig;
- $content=~s/<img\s+src="(?!http:\/\/)([^"]+)"/<img src="$url$1"/ig;
- return $content;
- } #}}}
- sub genrss ($$$) { #{{{
- my $content=shift;
- my $page=shift;
- my $mtime=shift;
-
- my $url="$config{url}/".htmlpage($page);
-
- my $template=HTML::Template->new(blind_cache => 1,
- filename => "$config{templatedir}/rsspage.tmpl");
-
- my @items;
- my $isblog=0;
- my $gen_blog=sub {
- my $parentpage=shift;
- my %params=@_;
-
- return "" if exists $params{archive} && $params{archive} eq 'yes';
-
- if (! exists $params{show}) {
- $params{show}=10;
- }
- if (! exists $params{pages}) {
- return "";
- }
-
- $isblog=1;
- foreach my $page (blog_list($params{pages}, $params{show})) {
- next if $page eq $parentpage;
- push @items, {
- itemtitle => pagetitle(basename($page)),
- itemurl => "$config{url}/$renderedfiles{$page}",
- itempubdate => date_822($pagectime{$page}),
- itemcontent => absolute_urls(get_inline_content($parentpage, $page), $url),
- } if exists $renderedfiles{$page};
- }
-
- return "";
- };
-
- $content = postprocess($page, $content, inline => $gen_blog);
- $template->param(
- title => $config{wikiname},
- pageurl => $url,
- items => \@items,
- );
-
- return $template->output;
- } #}}}
- sub check_overwrite ($$) { #{{{
- # Important security check. Make sure to call this before saving
- # any files to the source directory.
- my $dest=shift;
- my $src=shift;
-
- if (! exists $renderedfiles{$src} && -e $dest && ! $config{rebuild}) {
- error("$dest already exists and was rendered from ".
- join(" ",(grep { $renderedfiles{$_} eq $dest } keys
- %renderedfiles)).
- ", before, so not rendering from $src");
- }
- } #}}}
- sub mtime ($) { #{{{
- my $file=shift;
-
- return (stat($file))[9];
- } #}}}
- sub findlinks ($$) { #{{{
- my $content=shift;
- my $page=shift;
- my @links;
- while ($content =~ /(?<!\\)$config{wiki_link_regexp}/g) {
- push @links, lc($1);
- }
- # Discussion links are a special case since they're not in the text
- # of the page, but on its template.
- return @links, "$page/discussion";
- } #}}}
- sub render ($) { #{{{
- my $file=shift;
-
- my $type=pagetype($file);
- my $content=readfile("$config{srcdir}/$file");
- if ($type ne 'unknown') {
- my $page=pagename($file);
-
- $links{$page}=[findlinks($content, $page)];
- delete $inlinepages{$page};
-
- $content=linkify($content, $page);
- $content=htmlize($type, $content);
-
- check_overwrite("$config{destdir}/".htmlpage($page), $page);
- writefile("$config{destdir}/".htmlpage($page),
- genpage($content, $page, mtime("$config{srcdir}/$file")));
- $oldpagemtime{$page}=time;
- $renderedfiles{$page}=htmlpage($page);
- # TODO: should really add this to renderedfiles and call
- # check_overwrite, as above, but currently renderedfiles
- # only supports listing one file per page.
- if ($config{rss} && exists $inlinepages{$page}) {
- writefile("$config{destdir}/".rsspage($page),
- genrss($content, $page, mtime("$config{srcdir}/$file")));
- }
- }
- else {
- $links{$file}=[];
- check_overwrite("$config{destdir}/$file", $file);
- writefile("$config{destdir}/$file", $content);
- $oldpagemtime{$file}=time;
- $renderedfiles{$file}=$file;
- }
- } #}}}
- sub prune ($) { #{{{
- my $file=shift;
- unlink($file);
- my $dir=dirname($file);
- while (rmdir($dir)) {
- $dir=dirname($dir);
- }
- } #}}}
- sub refresh () { #{{{
- # find existing pages
- my %exists;
- my @files;
- eval q{use File::Find};
- find({
- no_chdir => 1,
- wanted => sub {
- if (/$config{wiki_file_prune_regexp}/) {
- no warnings 'once';
- $File::Find::prune=1;
- use warnings "all";
- }
- elsif (! -d $_ && ! -l $_) {
- my ($f)=/$config{wiki_file_regexp}/; # untaint
- if (! defined $f) {
- warn("skipping bad filename $_\n");
- }
- else {
- $f=~s/^\Q$config{srcdir}\E\/?//;
- push @files, $f;
- $exists{pagename($f)}=1;
- }
- }
- },
- }, $config{srcdir});
- my %rendered;
- # check for added or removed pages
- my @add;
- foreach my $file (@files) {
- my $page=pagename($file);
- if (! $oldpagemtime{$page}) {
- debug("new page $page") unless exists $pagectime{$page};
- push @add, $file;
- $links{$page}=[];
- $pagesources{$page}=$file;
- $pagectime{$page}=mtime("$config{srcdir}/$file")
- unless exists $pagectime{$page};
- }
- }
- my @del;
- foreach my $page (keys %oldpagemtime) {
- if (! $exists{$page}) {
- debug("removing old page $page");
- push @del, $pagesources{$page};
- prune($config{destdir}."/".$renderedfiles{$page});
- delete $renderedfiles{$page};
- $oldpagemtime{$page}=0;
- delete $pagesources{$page};
- }
- }
-
- # render any updated files
- foreach my $file (@files) {
- my $page=pagename($file);
-
- if (! exists $oldpagemtime{$page} ||
- mtime("$config{srcdir}/$file") > $oldpagemtime{$page}) {
- debug("rendering changed file $file");
- render($file);
- $rendered{$file}=1;
- }
- }
-
- # if any files were added or removed, check to see if each page
- # needs an update due to linking to them or inlining them.
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the bestlink may have changed and we won't know until
- # now
- if (@add || @del) {
- FILE: foreach my $file (@files) {
- my $page=pagename($file);
- foreach my $f (@add, @del) {
- my $p=pagename($f);
- foreach my $link (@{$links{$page}}) {
- if (bestlink($page, $link) eq $p) {
- debug("rendering $file, which links to $p");
- render($file);
- $rendered{$file}=1;
- next FILE;
- }
- }
- }
- }
- }
- # Handle backlinks; if a page has added/removed links, update the
- # pages it links to. Also handle inlining here.
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the backlinks could be wrong in the first pass render
- # above
- if (%rendered || @del) {
- foreach my $f (@files) {
- my $p=pagename($f);
- if (exists $inlinepages{$p}) {
- foreach my $file (keys %rendered, @del) {
- my $page=pagename($file);
- if (globlist_match($page, $inlinepages{$p})) {
- debug("rendering $f, which inlines $page");
- render($f);
- last;
- }
- }
- }
- }
-
- my %linkchanged;
- foreach my $file (keys %rendered, @del) {
- my $page=pagename($file);
-
- if (exists $links{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$links{$page}}) {
- if (length $link &&
- ! exists $oldlinks{$page} ||
- ! grep { $_ eq $link } @{$oldlinks{$page}}) {
- $linkchanged{$link}=1;
- }
- }
- }
- if (exists $oldlinks{$page}) {
- foreach my $link (map { bestlink($page, $_) } @{$oldlinks{$page}}) {
- if (length $link &&
- ! exists $links{$page} ||
- ! grep { $_ eq $link } @{$links{$page}}) {
- $linkchanged{$link}=1;
- }
- }
- }
- }
- foreach my $link (keys %linkchanged) {
- my $linkfile=$pagesources{$link};
- if (defined $linkfile) {
- debug("rendering $linkfile, to update its backlinks");
- render($linkfile);
- }
- }
- }
- } #}}}
- 1
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