X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/ea217fdf8fec84fcc541117238c8366f49ff3d7c..73f4a8835876c8cb07808367cd72d9ae972893e8:/IkiWiki/Plugin/inline.pm?ds=inline diff --git a/IkiWiki/Plugin/inline.pm b/IkiWiki/Plugin/inline.pm index 075f70399..401852513 100644 --- a/IkiWiki/Plugin/inline.pm +++ b/IkiWiki/Plugin/inline.pm @@ -4,21 +4,142 @@ package IkiWiki::Plugin::inline; use warnings; use strict; -use IkiWiki 1.00; -use IkiWiki::Render; # for displaytime +use Encode; +use IkiWiki 3.00; use URI; -sub import { #{{{ +my %knownfeeds; +my %page_numfeeds; +my @inline; +my $nested=0; + +sub import { + hook(type => "getopt", id => "inline", call => \&getopt); + hook(type => "getsetup", id => "inline", call => \&getsetup); + hook(type => "checkconfig", id => "inline", call => \&checkconfig); + hook(type => "sessioncgi", id => "inline", call => \&sessioncgi); hook(type => "preprocess", id => "inline", call => \&IkiWiki::preprocess_inline); hook(type => "pagetemplate", id => "inline", call => \&IkiWiki::pagetemplate_inline); + hook(type => "format", id => "inline", call => \&format, first => 1); # Hook to change to do pinging since it's called late. # This ensures each page only pings once and prevents slow # pings interrupting page builds. - hook(type => "change", id => "inline", - call => \&IkiWiki::pingurl); -} # }}} + hook(type => "change", id => "inline", call => \&IkiWiki::pingurl); +} + +sub getopt () { + eval q{use Getopt::Long}; + error($@) 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}}, $_[1]; + }, + ); +} + +sub getsetup () { + return + plugin => { + safe => 1, + rebuild => undef, + }, + rss => { + type => "boolean", + example => 0, + description => "enable rss feeds by default?", + safe => 1, + rebuild => 1, + }, + atom => { + type => "boolean", + example => 0, + description => "enable atom feeds by default?", + safe => 1, + rebuild => 1, + }, + allowrss => { + type => "boolean", + example => 0, + description => "allow rss feeds to be used?", + safe => 1, + rebuild => 1, + }, + allowatom => { + type => "boolean", + example => 0, + description => "allow atom feeds to be used?", + safe => 1, + rebuild => 1, + }, + pingurl => { + type => "string", + example => "http://rpc.technorati.com/rpc/ping", + description => "urls to ping (using XML-RPC) on feed update", + safe => 1, + rebuild => 0, + }, +} + +sub checkconfig () { + if (($config{rss} || $config{atom}) && ! length $config{url}) { + error(gettext("Must specify url to wiki with --url when using --rss or --atom")); + } + if ($config{rss}) { + push @{$config{wiki_file_prune_regexps}}, qr/\.rss$/; + } + if ($config{atom}) { + push @{$config{wiki_file_prune_regexps}}, qr/\.atom$/; + } + if (! exists $config{pingurl}) { + $config{pingurl}=[]; + } +} + +sub format (@) { + my %params=@_; + + # Fill in the inline content generated earlier. This is actually an + # optimisation. + $params{content}=~s{
}{ + delete @inline[$1,] + }eg; + return $params{content}; +} + +sub sessioncgi ($$) { + my $q=shift; + my $session=shift; + + if ($q->param('do') eq 'blog') { + 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."/".$page.$add)}) { + $add=1 unless length $add; + $add++; + } + $q->param('page', $page.$add); + # now go create the page + $q->param('do', 'create'); + # make sure the editpage plugin in loaded + if (IkiWiki->can("cgi_editpage")) { + IkiWiki::cgi_editpage($q, $session); + } + else { + error(gettext("page editing not allowed")); + } + exit; + } +} # Back to ikiwiki namespace for the rest, this code is very much # internal to ikiwiki even though it's separated into a plugin. @@ -27,71 +148,176 @@ 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 $feeds=exists $params{feeds} ? yesno($params{feeds}) : 1; + 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=! $nested && (exists $params{feeds} ? yesno($params{feeds}) : !$quick); + 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}); + if (exists $params{template}) { + $params{template}=~s/[^-_a-zA-Z0-9]+//g; + } + else { + $params{template} = $archive ? "archivepage" : "inlinepage"; + } my @list; - foreach my $page (keys %pagesources) { - next if $page eq $params{page}; - if (pagespec_match($page, $params{pages})) { - 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 '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 "unknown sort type $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}; + } + + @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} .. $#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}); + 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{destpage}, "", $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=rsspage(basename($params{page})); - my $atomurl=atompage(basename($params{page})); my $ret=""; - if (exists $params{rootpage} && $config{cgiurl}) { + 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 => $params{rootpage}); + $formtemplate->param(rootpage => rootpage(%params)); $formtemplate->param(rssurl => $rssurl) if $feeds && $rss; $formtemplate->param(atomurl => $atomurl) if $feeds && $atom; + if (exists $params{postformtext}) { + $formtemplate->param(postformtext => + $params{postformtext}); + } + else { + $formtemplate->param(postformtext => + 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); $linktemplate->param(rssurl => $rssurl) if $rss; @@ -99,178 +325,266 @@ sub preprocess_inline (@) { #{{{ $ret.=$linktemplate->output; } - my $template=template( - ($archive ? "inlinepagetitle.tmpl" : "inlinepage.tmpl"), - blind_cache => 1, - ) unless $raw; + if (! $feedonly) { + require HTML::Template; + my @params=IkiWiki::template_params($params{template}.".tmpl", blind_cache => 1); + if (! @params) { + error sprintf(gettext("nonexistant template %s"), $params{template}); + } + my $template=HTML::Template->new(@params) unless $raw; + my $needcontent=$raw || (!($archive && $quick) && $template->query(name => 'content')); - foreach my $page (@list) { - if (! $raw) { - # Get the content before populating the template, - # since getting the content uses the same template - # if inlines are nested. - # TODO: if $archive=1, the only reason to do this - # is to let the meta plugin get page title info; so stop - # calling this next line then once the meta plugin can - # store that accross runs (also tags plugin). - my $content=get_inline_content($page, $params{destpage}); - # Don't use htmllink because this way the title is separate - # and can be overridden by other plugins. - my $link=htmlpage(bestlink($params{page}, $page)); - $link=abs2rel($link, dirname($params{destpage})); - $template->param(pageurl => $link); - $template->param(title => pagetitle(basename($page))); - $template->param(content => $content); - $template->param(ctime => displaytime($pagectime{$page})); - - if ($actions) { - my $file = $pagesources{$page}; - my $type = pagetype($file); - if ($config{discussion}) { - $template->param(have_actions => 1); - $template->param(discussionlink => htmllink($page, $page, "Discussion", 1, 1)); + foreach my $page (@list) { + my $file = $pagesources{$page}; + my $type = pagetype($file); + 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); } - if (length $config{cgiurl} && defined $type) { - $template->param(have_actions => 1); - $template->param(editurl => cgiurl(do => "edit", page => $page)); + $template->param(pageurl => urlto($page, $params{destpage})); + $template->param(inlinepage => $page); + $template->param(title => pagetitle(basename($page))); + $template->param(ctime => displaytime($pagectime{$page}, $params{timeformat})); + $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]; + + if ($actions) { + my $file = $pagesources{$page}; + my $type = pagetype($file); + if ($config{discussion}) { + if ($page !~ /.*\/\Q$config{discussionpage}\E$/i && + (length $config{cgiurl} || + exists $pagesources{$page."/".lc($config{discussionpage})})) { + $template->param(have_actions => 1); + $template->param(discussionlink => + htmllink($page, + $params{destpage}, + $config{discussionpage}, + noimageinline => 1, + forcesubpage => 1)); + } + } + if (length $config{cgiurl} && + defined $type && + IkiWiki->can("cgi_editpage")) { + $template->param(have_actions => 1); + $template->param(editurl => cgiurl(do => "edit", page => $page)); + + } } + + run_hooks(pagetemplate => sub { + shift->(page => $page, destpage => $params{destpage}, + template => $template,); + }); + + $ret.=$template->output; + $template->clear_params; } - - run_hooks(pagetemplate => sub { - shift->(page => $page, destpage => $params{page}, - template => $template,); - }); - - $ret.=$template->output; - $template->clear_params; - } - else { - my $file=$pagesources{$page}; - my $type=pagetype($file); - if (defined $type) { - $ret.="\n". - linkify($page, $params{page}, - preprocess($page, $params{page}, - filter($page, - readfile(srcfile($file))))); + else { + if (defined $type) { + $ret.="\n". + linkify($page, $params{destpage}, + preprocess($page, $params{destpage}, + filter($page, $params{destpage}, + readfile(srcfile($file))))); + } + else { + $ret.="\n". + readfile(srcfile($file)); + } } } } - if ($feeds && $rss) { - will_render($params{page}, rsspage($params{page})); - writefile(rsspage($params{page}), $config{destdir}, - genfeed("rss", $rssurl, $desc, $params{page}, @list)); - $toping{$params{page}}=1 unless $config{rebuild}; - $feedlinks{$params{destpage}}=qq{}; - } - if ($feeds && $atom) { - will_render($params{page}, atompage($params{page})); - writefile(atompage($params{page}), $config{destdir}, - genfeed("atom", $atomurl, $desc, $params{page}, @list)); - $toping{$params{page}}=1 unless $config{rebuild}; - $feedlinks{$params{destpage}}=qq{}; + if ($feeds && ($emptyfeeds || @feedlist)) { + if ($rss) { + 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{}; + } + } + if ($atom) { + 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{}; + } + } } - return $ret; -} #}}} + clear_inline_content_cache(); + + return $ret if $raw || $nested; + push @inline, $ret; + return "
\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"); -} #}}} +} -sub get_inline_content ($$) { #{{{ +{ +my %inline_content; +my $cached_destpage=""; + +sub get_inline_content ($$) { my $page=shift; my $destpage=shift; + if (exists $inline_content{$page} && $cached_destpage eq $destpage) { + return $inline_content{$page}; + } + my $file=$pagesources{$page}; my $type=pagetype($file); + my $ret=""; if (defined $type) { - return htmlize($page, $type, + $nested++; + $ret=htmlize($page, $destpage, $type, linkify($page, $destpage, preprocess($page, $destpage, - filter($page, + filter($page, $destpage, readfile(srcfile($file)))))); + $nested--; } - else { - return ""; + + if ($cached_destpage ne $destpage) { + clear_inline_content_cache(); + $cached_destpage=$destpage; } -} #}}} + return $inline_content{$page}=$ret; +} + +sub clear_inline_content_cache () { + %inline_content=(); +} -sub date_822 ($) { #{{{ +} + +sub date_822 ($) { my $time=shift; - eval q{use POSIX}; - my $lc_time= POSIX::setlocale(&POSIX::LC_TIME); + my $lc_time=POSIX::setlocale(&POSIX::LC_TIME); POSIX::setlocale(&POSIX::LC_TIME, "C"); my $ret=POSIX::strftime("%a, %d %b %Y %H:%M:%S %z", localtime($time)); POSIX::setlocale(&POSIX::LC_TIME, $lc_time); return $ret; -} #}}} +} -sub date_3339 ($) { #{{{ +sub date_3339 ($) { my $time=shift; - eval q{use POSIX}; - my $lc_time= POSIX::setlocale(&POSIX::LC_TIME); + my $lc_time=POSIX::setlocale(&POSIX::LC_TIME); POSIX::setlocale(&POSIX::LC_TIME, "C"); - my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", localtime($time)); + my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time)); POSIX::setlocale(&POSIX::LC_TIME, $lc_time); return $ret; -} #}}} +} -sub absolute_urls ($$) { #{{{ +sub absolute_urls ($$) { # sucky sub because rss sucks my $content=shift; - my $url=shift; + my $baseurl=shift; + my $url=$baseurl; $url=~s/[^\/]+$//; - - $content=~s/new($url); + $top_uri->path_query(""); # reset the path + my $urltop = $top_uri->as_string; + + $content=~s/(new(encode_utf8($config{url}."/".htmlpage($page))); + my $url=URI->new(encode_utf8(urlto($page,"",1))); my $itemtemplate=template($feedtype."item.tmpl", blind_cache => 1); my $content=""; my $lasttime = 0; foreach my $p (@pages) { - my $u=URI->new(encode_utf8($config{url}."/".htmlpage($p))); + my $u=URI->new(encode_utf8(urlto($p, "", 1))); + my $pcontent = absolute_urls(get_inline_content($p, $page), $url); $itemtemplate->param( title => pagetitle(basename($p)), url => $u, permalink => $u, - date_822 => date_822($pagectime{$p}), - date_3339 => date_3339($pagectime{$p}), - content => absolute_urls(get_inline_content($p, $page), $url), + cdate_822 => date_822($pagectime{$p}), + mdate_822 => date_822($pagemtime{$p}), + cdate_3339 => date_3339($pagectime{$p}), + mdate_3339 => date_3339($pagemtime{$p}), ); + + if (exists $pagestate{$p}) { + if (exists $pagestate{$p}{meta}{guid}) { + $itemtemplate->param(guid => $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); + if (defined $type) { + $itemtemplate->param(content => $pcontent); + } + else { + my $size=(srcfile_stat($file))[8]; + my $mime="unknown"; + eval q{use File::MimeInfo}; + if (! $@) { + $mime = mimetype($file); + } + $itemtemplate->param( + enclosure => $u, + type => $mime, + length => $size, + ); + } + } + else { + $itemtemplate->param(content => $pcontent); + } + run_hooks(pagetemplate => sub { shift->(page => $p, destpage => $page, template => $itemtemplate); @@ -279,16 +593,17 @@ sub genfeed ($$$$@) { #{{{ $content.=$itemtemplate->output; $itemtemplate->clear_params; - $lasttime = $pagectime{$p} if $pagectime{$p} > $lasttime; + $lasttime = $pagemtime{$p} if $pagemtime{$p} > $lasttime; } my $template=template($feedtype."page.tmpl", blind_cache => 1); $template->param( - title => $config{wikiname}, + title => $page ne "index" ? pagetitle($page) : $config{wikiname}, wikiname => $config{wikiname}, pageurl => $url, content => $content, feeddesc => $feeddesc, + guid => $guid, feeddate => date_3339($lasttime), feedurl => $feedurl, version => $IkiWiki::version, @@ -299,42 +614,71 @@ sub genfeed ($$$$@) { #{{{ }); return $template->output; -} #}}} +} -sub pingurl (@) { #{{{ - return unless $config{pingurl} && %toping; +sub pingurl (@) { + return unless @{$config{pingurl}} && %toping; eval q{require RPC::XML::Client}; if ($@) { - debug("RPC::XML::Client not found, not pinging"); + debug(gettext("RPC::XML::Client not found, not pinging")); return; } - # TODO: daemonize here so slow pings don't slow down wiki updates + # daemonize here so slow pings don't slow down wiki updates + defined(my $pid = fork) or error("Can't fork: $!"); + return if $pid; + chdir '/'; + 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: $!"); + + # Don't need to keep a lock on the wiki as a daemon. + IkiWiki::unlockwiki(); foreach my $page (keys %toping) { - my $title=pagetitle(basename($page)); - my $url="$config{url}/".htmlpage($page); + my $title=pagetitle(basename($page), 0); + my $url=urlto($page, "", 1); foreach my $pingurl (@{$config{pingurl}}) { debug("Pinging $pingurl for $page"); eval { my $client = RPC::XML::Client->new($pingurl); my $req = RPC::XML::request->new('weblogUpdates.ping', - $title, $url); + $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