+ 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];
+ }
+
+ 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, $atomurl, $rssdesc, $atomdesc);
+ if ($feeds) {
+ if ($rss) {
+ $rssurl=abs2rel($feedbase."rss".$feednum, dirname(htmlpage($params{destpage})));
+ $rssdesc = sprintf(gettext("%s (RSS feed)"), $desc);
+ }
+ if ($atom) {
+ $atomurl=abs2rel($feedbase."atom".$feednum, dirname(htmlpage($params{destpage})));
+ $atomdesc = sprintf(gettext("%s (Atom feed)"), $desc);
+ }
+ }
+
+ my $ret="";
+
+ 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_depends("blogpost.tmpl", $params{page}, blind_cache => 1);
+ $formtemplate->param(cgiurl => IkiWiki::cgiurl());
+ $formtemplate->param(rootpage => rootpage(%params));
+ if ($feeds) {
+ if ($rss) {
+ $formtemplate->param(rssurl => $rssurl);
+ $formtemplate->param(rssdesc => $rssdesc);
+ }
+ if ($atom) {
+ $formtemplate->param(atomurl => $atomurl);
+ $formtemplate->param(atomdesc => $atomdesc);
+ }
+ }
+ if (exists $params{postformtext}) {
+ $formtemplate->param(postformtext =>
+ $params{postformtext});
+ }
+ else {
+ $formtemplate->param(postformtext =>
+ gettext("Add a new post titled:"));
+ }
+ if (exists $params{id}) {
+ $formtemplate->param(postformid =>
+ $params{id});