+sub htmlize ($$$) { #{{{
+ my $page=shift;
+ my $type=shift;
+ my $content=shift;
+
+ if (exists $hooks{htmlize}{$type}) {
+ $content=$hooks{htmlize}{$type}{call}->(
+ page => $page,
+ content => $content,
+ );
+ }
+ else {
+ error("htmlization of $type not supported");
+ }
+
+ run_hooks(sanitize => sub {
+ $content=shift->(
+ page => $page,
+ content => $content,
+ );
+ });
+
+ return $content;
+} #}}}
+
+sub linkify ($$$) { #{{{
+ my $lpage=shift; # the page containing the links
+ my $page=shift; # the page the link will end up on (different for inline)
+ my $content=shift;
+
+ $content =~ s{(\\?)$config{wiki_link_regexp}}{
+ $2 ? ( $1 ? "[[$2|$3]]" : htmllink($lpage, $page, titlepage($3), 0, 0, pagetitle($2)))
+ : ( $1 ? "[[$3]]" : htmllink($lpage, $page, titlepage($3)))
+ }eg;
+
+ return $content;
+} #}}}
+
+my %preprocessing;
+sub preprocess ($$$) { #{{{
+ my $page=shift; # the page the data comes from
+ my $destpage=shift; # the page the data will appear in (different for inline)
+ my $content=shift;
+
+ my $handle=sub {
+ my $escape=shift;
+ my $command=shift;
+ my $params=shift;
+ if (length $escape) {
+ return "[[$command $params]]";
+ }
+ elsif (exists $hooks{preprocess}{$command}) {
+ # Note: preserve order of params, some plugins may
+ # consider it significant.
+ my @params;
+ while ($params =~ /(?:(\w+)=)?(?:"""(.*?)"""|"([^"]+)"|(\S+))(?:\s+|$)/sg) {
+ my $key=$1;
+ my $val;
+ if (defined $2) {
+ $val=$2;
+ $val=~s/\r\n/\n/mg;
+ $val=~s/^\n+//g;
+ $val=~s/\n+$//g;
+ }
+ elsif (defined $3) {
+ $val=$3;
+ }
+ elsif (defined $4) {
+ $val=$4;
+ }
+
+ if (defined $key) {
+ push @params, $key, $val;
+ }
+ else {
+ push @params, $val, '';
+ }
+ }
+ if ($preprocessing{$page}++ > 3) {
+ # Avoid loops of preprocessed pages preprocessing
+ # other pages that preprocess them, etc.
+ return "[[$command preprocessing loop detected on $page at depth $preprocessing{$page}]]";
+ }
+ my $ret=$hooks{preprocess}{$command}{call}->(
+ @params,
+ page => $page,
+ destpage => $destpage,
+ );
+ $preprocessing{$page}--;
+ return $ret;
+ }
+ else {
+ return "[[$command $params]]";
+ }
+ };
+
+ $content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:""".*?"""|"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}seg;
+ return $content;
+} #}}}
+
+sub filter ($$) {
+ my $page=shift;
+ my $content=shift;
+
+ run_hooks(filter => sub {
+ $content=shift->(page => $page, content => $content);
+ });
+
+ return $content;
+}
+