]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/inline.pm
tested and seems to work
[git.ikiwiki.info.git] / IkiWiki / Plugin / inline.pm
index 0b3d5e40614040620f8d380df2809c57434d298a..7c5da7343907d9d0f41ed65e2573942e3b6cbb9b 100644 (file)
@@ -5,36 +5,90 @@ package IkiWiki::Plugin::inline;
 use warnings;
 use strict;
 use Encode;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 use URI;
 
-sub import { #{{{
+my %knownfeeds;
+my %page_numfeeds;
+my @inline;
+my $nested=0;
+
+sub import {
        hook(type => "getopt", id => "inline", call => \&getopt);
+       hook(type => "getsetup", id => "inline", call => \&getsetup);
        hook(type => "checkconfig", id => "inline", call => \&checkconfig);
-       hook(type => "sessioncgi", id => "skeleton", call => \&sessioncgi);
+       hook(type => "sessioncgi", id => "inline", call => \&sessioncgi);
        hook(type => "preprocess", id => "inline", 
                call => \&IkiWiki::preprocess_inline);
        hook(type => "pagetemplate", id => "inline",
                call => \&IkiWiki::pagetemplate_inline);
+       hook(type => "format", id => "inline", call => \&format, first => 1);
        # Hook to change to do pinging since it's called late.
        # This ensures each page only pings once and prevents slow
        # pings interrupting page builds.
-       hook(type => "change", id => "inline", 
-               call => \&IkiWiki::pingurl);
-
-} # }}}
+       hook(type => "change", id => "inline", call => \&IkiWiki::pingurl);
+}
 
-sub getopt () { #{{{
+sub getopt () {
        eval q{use Getopt::Long};
        error($@) if $@;
        Getopt::Long::Configure('pass_through');
        GetOptions(
                "rss!" => \$config{rss},
                "atom!" => \$config{atom},
+               "allowrss!" => \$config{allowrss},
+               "allowatom!" => \$config{allowatom},
+               "pingurl=s" => sub {
+                       push @{$config{pingurl}}, $_[1];
+               },      
        );
 }
 
-sub checkconfig () { #{{{
+sub getsetup () {
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+                       section => "core",
+               },
+               rss => {
+                       type => "boolean",
+                       example => 0,
+                       description => "enable rss feeds by default?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               atom => {
+                       type => "boolean",
+                       example => 0,
+                       description => "enable atom feeds by default?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               allowrss => {
+                       type => "boolean",
+                       example => 0,
+                       description => "allow rss feeds to be used?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               allowatom => {
+                       type => "boolean",
+                       example => 0,
+                       description => "allow atom feeds to be used?",
+                       safe => 1,
+                       rebuild => 1,
+               },
+               pingurl => {
+                       type => "string",
+                       example => "http://rpc.technorati.com/rpc/ping",
+                       description => "urls to ping (using XML-RPC) on feed update",
+                       safe => 1,
+                       rebuild => 0,
+               },
+}
+
+sub checkconfig () {
        if (($config{rss} || $config{atom}) && ! length $config{url}) {
                error(gettext("Must specify url to wiki with --url when using --rss or --atom"));
        }
@@ -44,26 +98,46 @@ sub checkconfig () { #{{{
        if ($config{atom}) {
                push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/;
        }
-} #}}}
+       if (! exists $config{pingurl}) {
+               $config{pingurl}=[];
+       }
+}
 
-sub sessioncgi () { #{{{
+sub format (@) {
+       my %params=@_;
+
+       # Fill in the inline content generated earlier. This is actually an
+       # optimisation.
+       $params{content}=~s{<div class="inline" id="([^"]+)"></div>}{
+               delete @inline[$1,]
+       }eg;
+       return $params{content};
+}
+
+sub sessioncgi ($$) {
        my $q=shift;
        my $session=shift;
 
        if ($q->param('do') eq 'blog') {
-               my $page=decode_utf8($q->param('title'));
-               $page=~s/\///g; # no slashes in blog posts
+               my $page=titlepage(decode_utf8($q->param('title')));
+               $page=~s/(\/)/"__".ord($1)."__"/eg; # don't create subdirs
                # if the page already exists, munge it to be unique
                my $from=$q->param('from');
                my $add="";
-               while (exists $IkiWiki::pagecase{lc($from."/".IkiWiki::titlepage($page).$add)}) {
+               while (exists $IkiWiki::pagecase{lc($from."/".$page.$add)}) {
                        $add=1 unless length $add;
                        $add++;
                }
-               $q->param('page', $page.$add);
+               $q->param('page', "/$from/$page$add");
                # now go create the page
                $q->param('do', 'create');
-               IkiWiki::cgi_editpage($q, $session);
+               # make sure the editpage plugin is loaded
+               if (IkiWiki->can("cgi_editpage")) {
+                       IkiWiki::cgi_editpage($q, $session);
+               }
+               else {
+                       error(gettext("page editing not allowed"));
+               }
                exit;
        }
 }
@@ -75,32 +149,31 @@ package IkiWiki;
 my %toping;
 my %feedlinks;
 
-sub yesno ($) { #{{{
-       my $val=shift;
-       return (defined $val && lc($val) eq "yes");
-} #}}}
-
-sub preprocess_inline (@) { #{{{
+sub preprocess_inline (@) {
        my %params=@_;
        
-       if (! exists $params{pages}) {
-               return "";
+       if (! exists $params{pages} && ! exists $params{pagenames}) {
+               error gettext("missing pages parameter");
        }
        my $raw=yesno($params{raw});
        my $archive=yesno($params{archive});
-       my $rss=($config{rss} && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
-       my $atom=($config{atom} && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
+       my $rss=(($config{rss} || $config{allowrss}) && exists $params{rss}) ? yesno($params{rss}) : $config{rss};
+       my $atom=(($config{atom} || $config{allowatom}) && exists $params{atom}) ? yesno($params{atom}) : $config{atom};
        my $quick=exists $params{quick} ? yesno($params{quick}) : 0;
-       my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick;
-       $feeds=0 if $params{preview};
+       my $feeds=exists $params{feeds} ? yesno($params{feeds}) : !$quick && ! $raw;
+       my $emptyfeeds=exists $params{emptyfeeds} ? yesno($params{emptyfeeds}) : 1;
        my $feedonly=yesno($params{feedonly});
        if (! exists $params{show} && ! $archive) {
                $params{show}=10;
        }
+       if (! exists $params{feedshow} && exists $params{show}) {
+               $params{feedshow}=$params{show};
+       }
        my $desc;
        if (exists $params{description}) {
                $desc = $params{description} 
-       } else {
+       }
+       else {
                $desc = $config{wikiname};
        }
        my $actions=yesno($params{actions});
@@ -112,55 +185,123 @@ sub preprocess_inline (@) { #{{{
        }
 
        my @list;
-       foreach my $page (keys %pagesources) {
-               next if $page eq $params{page};
-               if (pagespec_match($page, $params{pages}, location => $params{page})) {
-                       push @list, $page;
+
+       if (exists $params{pagenames}) {
+               foreach my $p (qw(sort pages)) {
+                       if (exists $params{$p}) {
+                               error sprintf(gettext("the %s and %s parameters cannot be used together"),
+                                       "pagenames", $p);
+                       }
                }
-       }
 
-       if (exists $params{sort} && $params{sort} eq 'title') {
-               @list=sort @list;
-       }
-       elsif (exists $params{sort} && $params{sort} eq 'mtime') {
-               @list=sort { $pagemtime{$b} <=> $pagemtime{$a} } @list;
-       }
-       elsif (! exists $params{sort} || $params{sort} eq 'age') {
-               @list=sort { $pagectime{$b} <=> $pagectime{$a} } @list;
+               @list = map { bestlink($params{page}, $_) }
+                       split ' ', $params{pagenames};
+
+               if (yesno($params{reverse})) {
+                       @list=reverse(@list);
+               }
+
+               foreach my $p (@list) {
+                       add_depends($params{page}, $p, deptype($quick ? "presence" : "content"));
+               }
        }
        else {
-               return sprintf(gettext("unknown sort type %s"), $params{sort});
-       }
+               my $num=0;
+               if ($params{show}) {
+                       $num=$params{show};
+               }
+               if ($params{feedshow} && $num < $params{feedshow} && $num > 0) {
+                       $num=$params{feedshow};
+               }
+               if ($params{skip} && $num) {
+                       $num+=$params{skip};
+               }
 
-       if (yesno($params{reverse})) {
-               @list=reverse(@list);
+               @list = pagespec_match_list($params{page}, $params{pages},
+                       deptype => deptype($quick ? "presence" : "content"),
+                       filter => sub { $_[0] eq $params{page} },
+                       sort => exists $params{sort} ? $params{sort} : "age",
+                       reverse => yesno($params{reverse}),
+                       ($num ? (num => $num) : ()),
+               );
        }
 
        if (exists $params{skip}) {
-               @list=@list[$params{skip} .. scalar @list - 1];
+               @list=@list[$params{skip} .. $#list];
+       }
+       
+       my @feedlist;
+       if ($feeds) {
+               if (exists $params{feedshow} &&
+                   $params{feedshow} && @list > $params{feedshow}) {
+                       @feedlist=@list[0..$params{feedshow} - 1];
+               }
+               else {
+                       @feedlist=@list;
+               }
        }
        
        if ($params{show} && @list > $params{show}) {
                @list=@list[0..$params{show} - 1];
        }
 
-       add_depends($params{page}, $params{pages});
-       # Explicitly add all currently displayed pages as dependencies, so
-       # that if they are removed or otherwise changed, the inline will be
-       # sure to be updated.
-       add_depends($params{page}, join(" or ", @list));
+       if ($feeds && exists $params{feedpages}) {
+               @feedlist = pagespec_match_list(
+                       $params{page}, "($params{pages}) and ($params{feedpages})",
+                       deptype => deptype($quick ? "presence" : "content"),
+                       list => \@feedlist,
+               );
+       }
+
+       my ($feedbase, $feednum);
+       if ($feeds) {
+               # Ensure that multiple feeds on a page go to unique files.
+               
+               # Feedfile can lead to conflicts if usedirs is not enabled,
+               # so avoid supporting it in that case.
+               delete $params{feedfile} if ! $config{usedirs};
+               # Tight limits on legal feedfiles, to avoid security issues
+               # and conflicts.
+               if (defined $params{feedfile}) {
+                       if ($params{feedfile} =~ /\// ||
+                           $params{feedfile} !~ /$config{wiki_file_regexp}/) {
+                               error("illegal feedfile");
+                       }
+                       $params{feedfile}=possibly_foolish_untaint($params{feedfile});
+               }
+               $feedbase=targetpage($params{page}, "", $params{feedfile});
+
+               my $feedid=join("\0", $feedbase, map { $_."\0".$params{$_} } sort keys %params);
+               if (exists $knownfeeds{$feedid}) {
+                       $feednum=$knownfeeds{$feedid};
+               }
+               else {
+                       if (exists $page_numfeeds{$params{destpage}}{$feedbase}) {
+                               if ($feeds) {
+                                       $feednum=$knownfeeds{$feedid}=++$page_numfeeds{$params{destpage}}{$feedbase};
+                               }
+                       }
+                       else {
+                               $feednum=$knownfeeds{$feedid}="";
+                               if ($feeds) {
+                                       $page_numfeeds{$params{destpage}}{$feedbase}=1;
+                               }
+                       }
+               }
+       }
+
+       my $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage}))) if $feeds && $rss;
+       my $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage}))) if $feeds && $atom;
 
-       my $rssurl=basename(rsspage($params{page}));
-       my $atomurl=basename(atompage($params{page}));
        my $ret="";
 
-       if ($config{cgiurl} && (exists $params{rootpage} ||
-                       (exists $params{postform} && yesno($params{postform})))) {
+       if (length $config{cgiurl} && ! $params{preview} && (exists $params{rootpage} ||
+           (exists $params{postform} && yesno($params{postform}))) &&
+           IkiWiki->can("cgi_editpage")) {
                # Add a blog post form, with feed buttons.
-               my $formtemplate=template("blogpost.tmpl", blind_cache => 1);
-               $formtemplate->param(cgiurl => $config{cgiurl});
-               $formtemplate->param(rootpage => 
-                       exists $params{rootpage} ? $params{rootpage} : $params{page});
+               my $formtemplate=template_depends("blogpost.tmpl", $params{page}, blind_cache => 1);
+               $formtemplate->param(cgiurl => IkiWiki::cgiurl());
+               $formtemplate->param(rootpage => rootpage(%params));
                $formtemplate->param(rssurl => $rssurl) if $feeds && $rss;
                $formtemplate->param(atomurl => $atomurl) if $feeds && $atom;
                if (exists $params{postformtext}) {
@@ -172,63 +313,81 @@ sub preprocess_inline (@) { #{{{
                                gettext("Add a new post titled:"));
                }
                $ret.=$formtemplate->output;
+               
+               # The post form includes the feed buttons, so
+               # emptyfeeds cannot be hidden.
+               $emptyfeeds=1;
        }
-       elsif ($feeds) {
+       elsif ($feeds && !$params{preview} && ($emptyfeeds || @feedlist)) {
                # Add feed buttons.
-               my $linktemplate=template("feedlink.tmpl", blind_cache => 1);
+               my $linktemplate=template_depends("feedlink.tmpl", $params{page}, blind_cache => 1);
                $linktemplate->param(rssurl => $rssurl) if $rss;
                $linktemplate->param(atomurl => $atomurl) if $atom;
                $ret.=$linktemplate->output;
        }
        
        if (! $feedonly) {
-               require HTML::Template;
-               my @params=IkiWiki::template_params($params{template}.".tmpl", blind_cache => 1);
-               if (! @params) {
-                       return sprintf(gettext("nonexistant template %s"), $params{template});
+               my $template;
+               if (! $raw) {
+                       # cannot use wiki pages as templates; template not sanitized due to
+                       # format hook hack
+                       eval {
+                               $template=template_depends($params{template}.".tmpl", $params{page},
+                                       blind_cache => 1);
+                       };
+                       if ($@) {
+                               error sprintf(gettext("failed to process template %s"), $params{template}.".tmpl").": $@";
+                       }
                }
-               my $template=HTML::Template->new(@params) unless $raw;
+               my $needcontent=$raw || (!($archive && $quick) && $template->query(name => 'content'));
        
                foreach my $page (@list) {
                        my $file = $pagesources{$page};
                        my $type = pagetype($file);
-                       if (! $raw || ($raw && ! defined $type)) {
-                               unless ($archive && $quick) {
+                       if (! $raw) {
+                               if ($needcontent) {
                                        # Get the content before populating the
                                        # template, since getting the content uses
                                        # the same template if inlines are nested.
                                        my $content=get_inline_content($page, $params{destpage});
                                        $template->param(content => $content);
                                }
-                               $template->param(pageurl => urlto(bestlink($params{page}, $page), $params{destpage}));
+                               $template->param(pageurl => urlto($page, $params{destpage}));
+                               $template->param(inlinepage => $page);
                                $template->param(title => pagetitle(basename($page)));
-                               $template->param(ctime => displaytime($pagectime{$page}));
+                               $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat}, 1));
+                               $template->param(mtime => displaytime($pagemtime{$page}, $params{timeformat}));
+                               $template->param(first => 1) if $page eq $list[0];
+                               $template->param(last => 1) if $page eq $list[$#list];
+                               $template->param(html5 => $config{html5});
        
                                if ($actions) {
                                        my $file = $pagesources{$page};
                                        my $type = pagetype($file);
                                        if ($config{discussion}) {
-                                               my $discussionlink=gettext("discussion");
-                                               if ($page !~ /.*\/\Q$discussionlink\E$/ &&
+                                               if ($page !~ /.*\/\Q$config{discussionpage}\E$/i &&
                                                    (length $config{cgiurl} ||
-                                                    exists $links{$page."/".$discussionlink})) {
+                                                    exists $pagesources{$page."/".lc($config{discussionpage})})) {
                                                        $template->param(have_actions => 1);
                                                        $template->param(discussionlink =>
                                                                htmllink($page,
-                                                                       $params{page},
-                                                                       gettext("Discussion"),
+                                                                       $params{destpage},
+                                                                       $config{discussionpage},
                                                                        noimageinline => 1,
                                                                        forcesubpage => 1));
                                                }
                                        }
-                                       if (length $config{cgiurl} && defined $type) {
+                                       if (length $config{cgiurl} &&
+                                           defined $type &&
+                                           IkiWiki->can("cgi_editpage")) {
                                                $template->param(have_actions => 1);
-                                               $template->param(editurl => cgiurl(do => "edit", page => pagetitle($page, 1)));
+                                               $template->param(editurl => cgiurl(do => "edit", page => $page));
+
                                        }
                                }
        
                                run_hooks(pagetemplate => sub {
-                                       shift->(page => $page, destpage => $params{page},
+                                       shift->(page => $page, destpage => $params{destpage},
                                                template => $template,);
                                });
        
@@ -238,127 +397,185 @@ sub preprocess_inline (@) { #{{{
                        else {
                                if (defined $type) {
                                        $ret.="\n".
-                                             linkify($page, $params{page},
-                                             preprocess($page, $params{page},
-                                             filter($page, $params{page},
+                                             linkify($page, $params{destpage},
+                                             preprocess($page, $params{destpage},
+                                             filter($page, $params{destpage},
                                              readfile(srcfile($file)))));
                                }
+                               else {
+                                       $ret.="\n".
+                                             readfile(srcfile($file));
+                               }
                        }
                }
        }
        
-       if ($feeds) {
-               if (exists $params{feedshow} && @list > $params{feedshow}) {
-                       @list=@list[0..$params{feedshow} - 1];
-               }
-               if (exists $params{feedpages}) {
-                       @list=grep { pagespec_match($_, $params{feedpages}, location => $params{page}) } @list;
-               }
-       
+       if ($feeds && ($emptyfeeds || @feedlist)) {
                if ($rss) {
-                       my $rssp=rsspage($params{page});
-                       will_render($params{page}, $rssp);
-                       writefile($rssp, $config{destdir},
-                               genfeed("rss", $rssurl, $desc, $params{page}, @list));
-                       $toping{$params{page}}=1 unless $config{rebuild};
-                       $feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/rss+xml" title="RSS" href="$rssurl" />};
+                       my $rssp=$feedbase."rss".$feednum;
+                       will_render($params{destpage}, $rssp);
+                       if (! $params{preview}) {
+                               writefile($rssp, $config{destdir},
+                                       genfeed("rss",
+                                               $config{url}."/".$rssp, $desc, $params{guid}, $params{destpage}, @feedlist));
+                               $toping{$params{destpage}}=1 unless $config{rebuild};
+                               $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/rss+xml" title="$desc (RSS)" href="$rssurl" />};
+                       }
                }
                if ($atom) {
-                       my $atomp=atompage($params{page});
-                       will_render($params{page}, $atomp);
-                       writefile($atomp, $config{destdir},
-                               genfeed("atom", $atomurl, $desc, $params{page}, @list));
-                       $toping{$params{page}}=1 unless $config{rebuild};
-                       $feedlinks{$params{destpage}}=qq{<link rel="alternate" type="application/atom+xml" title="Atom" href="$atomurl" />};
+                       my $atomp=$feedbase."atom".$feednum;
+                       will_render($params{destpage}, $atomp);
+                       if (! $params{preview}) {
+                               writefile($atomp, $config{destdir},
+                                       genfeed("atom", $config{url}."/".$atomp, $desc, $params{guid}, $params{destpage}, @feedlist));
+                               $toping{$params{destpage}}=1 unless $config{rebuild};
+                               $feedlinks{$params{destpage}}.=qq{<link rel="alternate" type="application/atom+xml" title="$desc (Atom)" href="$atomurl" />};
+                       }
                }
        }
        
-       return $ret;
-} #}}}
+       clear_inline_content_cache();
+
+       return $ret if $raw || $nested;
+       push @inline, $ret;
+       return "<div class=\"inline\" id=\"$#inline\"></div>\n\n";
+}
 
-sub pagetemplate_inline (@) { #{{{
+sub pagetemplate_inline (@) {
        my %params=@_;
        my $page=$params{page};
        my $template=$params{template};
 
        $template->param(feedlinks => $feedlinks{$page})
                if exists $feedlinks{$page} && $template->query(name => "feedlinks");
-} #}}}
+}
+
+{
+my %inline_content;
+my $cached_destpage="";
 
-sub get_inline_content ($$) { #{{{
+sub get_inline_content ($$) {
        my $page=shift;
        my $destpage=shift;
        
+       if (exists $inline_content{$page} && $cached_destpage eq $destpage) {
+               return $inline_content{$page};
+       }
+
        my $file=$pagesources{$page};
        my $type=pagetype($file);
+       my $ret="";
        if (defined $type) {
-               return htmlize($page, $type,
+               $nested++;
+               $ret=htmlize($page, $destpage, $type,
                       linkify($page, $destpage,
                       preprocess($page, $destpage,
                       filter($page, $destpage,
                       readfile(srcfile($file))))));
+               $nested--;
+               if (isinternal($page)) {
+                       # make inlined text of internal pages searchable
+                       run_hooks(indexhtml => sub {
+                               shift->(page => $page, destpage => $page,
+                                       content => $ret);
+                       });
+               }
        }
-       else {
-               return "";
+       
+       if ($cached_destpage ne $destpage) {
+               clear_inline_content_cache();
+               $cached_destpage=$destpage;
        }
-} #}}}
+       return $inline_content{$page}=$ret;
+}
 
-sub date_822 ($) { #{{{
-       my $time=shift;
+sub clear_inline_content_cache () {
+       %inline_content=();
+}
 
-       my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
-       POSIX::setlocale(&POSIX::LC_TIME, "C");
-       my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
-       POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
-       return $ret;
-} #}}}
+}
 
-sub date_3339 ($) { #{{{
+sub date_822 ($) {
        my $time=shift;
 
        my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
        POSIX::setlocale(&POSIX::LC_TIME, "C");
-       my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time));
+       my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time));
        POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
        return $ret;
-} #}}}
+}
 
-sub absolute_urls ($$) { #{{{
-       # sucky sub because rss sucks
-       my $content=shift;
+sub absolute_urls ($$) {
+       # needed because rss sucks
+       my $html=shift;
        my $baseurl=shift;
 
        my $url=$baseurl;
        $url=~s/[^\/]+$//;
-       
-       $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(#[^"]+)"/$1 href="$baseurl$2"/mig;
-       $content=~s/(<a(?:\s+(?:class|id)\s*="?\w+"?)?)\s+href=\s*"(?!\w+:\/\/)([^"]+)"/$1 href="$url$2"/mig;
-       $content=~s/(<img(?:\s+(?:class|id|width|height)\s*="?\w+"?)*)\s+src=\s*"(?!\w+:\/\/)([^"]+)"/$1 src="$url$2"/mig;
-       return $content;
-} #}}}
+       my $urltop; # calculated if needed
 
-sub rsspage ($) { #{{{
-       return targetpage(shift, "rss");
-} #}}}
+       my $ret="";
 
-sub atompage ($) { #{{{
-       return targetpage(shift, "atom");
-} #}}}
+       eval q{use HTML::Parser; use HTML::Tagset};
+       die $@ if $@;
+       my $p = HTML::Parser->new(api_version => 3);
+       $p->handler(default => sub { $ret.=join("", @_) }, "text");
+       $p->handler(start => sub {
+               my ($tagname, $pos, $text) = @_;
+               if (ref $HTML::Tagset::linkElements{$tagname}) {
+                       while (4 <= @$pos) {
+                               # use attribute sets from right to left
+                               # to avoid invalidating the offsets
+                               # when replacing the values
+                               my ($k_offset, $k_len, $v_offset, $v_len) =
+                                       splice(@$pos, -4);
+                               my $attrname = lc(substr($text, $k_offset, $k_len));
+                               next unless grep { $_ eq $attrname } @{$HTML::Tagset::linkElements{$tagname}};
+                               next unless $v_offset; # 0 v_offset means no value
+                               my $v = substr($text, $v_offset, $v_len);
+                               $v =~ s/^([\'\"])(.*)\1$/$2/;
+                               if ($v=~/^#/) {
+                                       $v=$baseurl.$v; # anchor
+                               }
+                               elsif ($v=~/^(?!\w+:)[^\/]/) {
+                                       $v=$url.$v; # relative url
+                               }
+                               elsif ($v=~/^\//) {
+                                       if (! defined $urltop) {
+                                               # what is the non path part of the url?
+                                               my $top_uri = URI->new($url);
+                                               $top_uri->path_query(""); # reset the path
+                                               $urltop = $top_uri->as_string;
+                                       }
+                                       $v=$urltop.$v; # url relative to top of site
+                               }
+                               $v =~ s/\"/&quot;/g; # since we quote with ""
+                               substr($text, $v_offset, $v_len) = qq("$v");
+                       }
+               }
+               $ret.=$text;
+       }, "tagname, tokenpos, text");
+       $p->parse($html);
+       $p->eof;
 
-sub genfeed ($$$$@) { #{{{
+       return $ret;
+}
+
+sub genfeed ($$$$$@) {
        my $feedtype=shift;
        my $feedurl=shift;
        my $feeddesc=shift;
+       my $guid=shift;
        my $page=shift;
        my @pages=@_;
        
-       my $url=URI->new(encode_utf8($config{url}."/".urlto($page,"")));
+       my $url=URI->new(encode_utf8(urlto($page,"",1)));
        
-       my $itemtemplate=template($feedtype."item.tmpl", blind_cache => 1);
+       my $itemtemplate=template_depends($feedtype."item.tmpl", $page, blind_cache => 1);
        my $content="";
        my $lasttime = 0;
        foreach my $p (@pages) {
-               my $u=URI->new(encode_utf8($config{url}."/".urlto($p, "")));
+               my $u=URI->new(encode_utf8(urlto($p, "", 1)));
                my $pcontent = absolute_urls(get_inline_content($p, $page), $url);
 
                $itemtemplate->param(
@@ -371,6 +588,18 @@ sub genfeed ($$$$@) { #{{{
                        mdate_3339 => date_3339($pagemtime{$p}),
                );
 
+               if (exists $pagestate{$p}) {
+                       if (exists $pagestate{$p}{meta}{guid}) {
+                               eval q{use HTML::Entities};
+                               $itemtemplate->param(guid => HTML::Entities::encode_numeric($pagestate{$p}{meta}{guid}));
+                       }
+
+                       if (exists $pagestate{$p}{meta}{updated}) {
+                               $itemtemplate->param(mdate_822 => date_822($pagestate{$p}{meta}{updated}));
+                               $itemtemplate->param(mdate_3339 => date_3339($pagestate{$p}{meta}{updated}));
+                       }
+               }
+
                if ($itemtemplate->query(name => "enclosure")) {
                        my $file=$pagesources{$p};
                        my $type=pagetype($file);
@@ -378,7 +607,7 @@ sub genfeed ($$$$@) { #{{{
                                $itemtemplate->param(content => $pcontent);
                        }
                        else {
-                               my ($a, $b, $c, $d, $e, $f, $g, $size) = stat(srcfile($file));
+                               my $size=(srcfile_stat($file))[8];
                                my $mime="unknown";
                                eval q{use File::MimeInfo};
                                if (! $@) {
@@ -406,13 +635,14 @@ sub genfeed ($$$$@) { #{{{
                $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime;
        }
 
-       my $template=template($feedtype."page.tmpl", blind_cache => 1);
+       my $template=template_depends($feedtype."page.tmpl", $page, blind_cache => 1);
        $template->param(
                title => $page ne "index" ? pagetitle($page) : $config{wikiname},
                wikiname => $config{wikiname},
                pageurl => $url,
                content => $content,
                feeddesc => $feeddesc,
+               guid => $guid,
                feeddate => date_3339($lasttime),
                feedurl => $feedurl,
                version => $IkiWiki::version,
@@ -423,9 +653,9 @@ sub genfeed ($$$$@) { #{{{
        });
        
        return $template->output;
-} #}}}
+}
 
-sub pingurl (@) { #{{{
+sub pingurl (@) {
        return unless @{$config{pingurl}} && %toping;
 
        eval q{require RPC::XML::Client};
@@ -438,7 +668,7 @@ sub pingurl (@) { #{{{
        defined(my $pid = fork) or error("Can't fork: $!");
        return if $pid;
        chdir '/';
-       setsid() or error("Can't start a new session: $!");
+       POSIX::setsid() or error("Can't start a new session: $!");
        open STDIN, '/dev/null';
        open STDOUT, '>/dev/null';
        open STDERR, '>&STDOUT' or error("Can't dup stdout: $!");
@@ -448,7 +678,7 @@ sub pingurl (@) { #{{{
 
        foreach my $page (keys %toping) {
                my $title=pagetitle(basename($page), 0);
-               my $url="$config{url}/".urlto($page, "");
+               my $url=urlto($page, "", 1);
                foreach my $pingurl (@{$config{pingurl}}) {
                        debug("Pinging $pingurl for $page");
                        eval {
@@ -457,20 +687,37 @@ sub pingurl (@) { #{{{
                                        $title, $url);
                                my $res = $client->send_request($req);
                                if (! ref $res) {
-                                       debug("Did not receive response to ping");
+                                       error("Did not receive response to ping");
                                }
                                my $r=$res->value;
                                if (! exists $r->{flerror} || $r->{flerror}) {
-                                       debug("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
+                                       error("Ping rejected: ".(exists $r->{message} ? $r->{message} : "[unknown reason]"));
                                }
                        };
                        if ($@) {
-                               debug "Ping failed: $@";
+                               error "Ping failed: $@";
                        }
                }
        }
 
        exit 0; # daemon done
-} #}}}
+}
+
+
+sub rootpage (@) {
+       my %params=@_;
+
+       my $rootpage;
+       if (exists $params{rootpage}) {
+               $rootpage=bestlink($params{page}, $params{rootpage});
+               if (!length $rootpage) {
+                       $rootpage=$params{rootpage};
+               }
+       }
+       else {
+               $rootpage=$params{page};
+       }
+       return $rootpage;
+}
 
 1