package IkiWiki; use warnings; use strict; use File::Spec; sub linkify ($$) { #{{{ my $content=shift; my $page=shift; $content =~ s{(\\?)$config{wiki_link_regexp}}{ $2 ? ( $1 ? "[[$2|$3]]" : htmllink($page, titlepage($3), 0, 0, pagetitle($2))) : ( $1 ? "[[$3]]" : htmllink($page, titlepage($3))) }eg; return $content; } #}}} sub htmlize ($$) { #{{{ 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(srcfile($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 => cgiurl(do => "edit", page => $page)); $template->param(prefsurl => cgiurl(do => "prefs")); if ($config{rcs}) { $template->param(recentchangesurl => 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}) { $template->param(rssurl => rsspage(basename($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)), styleurl => styleurl($page), ); 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 ($$) { #{{{ # sucky sub because rss sucks my $content=shift; my $url=shift; $url=~s/[^\/]+$//; $content=~s/new(blind_cache => 1, filename => "$config{templatedir}/rsspage.tmpl"); my @items; my $isblog=0; my $gen_blog=sub { my $parentpage=shift; my %params=@_; if (! exists $params{show}) { $params{show}=10; } if (! exists $params{pages}) { return ""; } $isblog=1; foreach my $page (blog_list($params{pages}, $params{show})) { next if $page eq $parentpage; push @items, { itemtitle => pagetitle(basename($page)), itemurl => "$config{url}/$renderedfiles{$page}", itempubdate => date_822($pagectime{$page}), itemcontent => absolute_urls(get_inline_content($parentpage, $page), $url), } if exists $renderedfiles{$page}; } return ""; }; $content = postprocess($page, $content, inline => $gen_blog); $template->param( title => $config{wikiname}, pageurl => $url, items => \@items, ); return $template->output; } #}}} sub check_overwrite ($$) { #{{{ # 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 =~ /(? 1, wanted => sub { if (/$config{wiki_file_prune_regexp}/) { $File::Find::prune=1; } 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; } } }, }, $config{srcdir}); find({ no_chdir => 1, wanted => sub { if (/$config{wiki_file_prune_regexp}/) { $File::Find::prune=1; } elsif (! -d $_ && ! -l $_) { my ($f)=/$config{wiki_file_regexp}/; # untaint if (! defined $f) { warn("skipping bad filename $_\n"); } else { # Don't add files that are in the # srcdir. $f=~s/^\Q$config{underlaydir}\E\/?//; if (! -e "$config{srcdir}/$f" && ! -l "$config{srcdir}/$f") { push @files, $f; $exists{pagename($f)}=1; } } } }, }, $config{underlaydir}); 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(srcfile($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(srcfile($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