use warnings;
use strict;
-use IkiWiki;
+use IkiWiki 3.00;
my %smileys;
my $smiley_regexp;
-sub import { #{{{
- hook(type => "checkconfig", id => "smiley", call => \&setup);
-} # }}}
+sub import {
+ add_underlay("smiley");
+ hook(type => "getsetup", id => "smiley", call => \&getsetup);
+ hook(type => "sanitize", id => "smiley", call => \&sanitize);
+}
-sub setup () { #{{{
- my $list=readfile(srcfile("smileys.mdwn"));
- while ($list =~ m/^\s*\*\s+\\([^\s]+)\s+\[\[([^]]+)\]\]/mg) {
- $smileys{$1}=$2;
+sub getsetup () {
+ return
+ plugin => {
+ safe => 1,
+ # force a rebuild because turning it off
+ # removes the smileys, which would break links
+ rebuild => 1,
+ },
+}
+
+sub build_regexp () {
+ my $srcfile = srcfile("smileys.mdwn", 1);
+ if (! defined $srcfile) {
+ print STDERR sprintf(gettext("smiley plugin will not work without %s"),
+ "smileys.mdwn")."\n";
+ $smiley_regexp='';
+ return;
+ }
+ my $list=readfile($srcfile);
+ while ($list =~ m/^\s*\*\s+\\\\([^\s]+)\s+\[\[([^]]+)\]\]/mg) {
+ my $smiley=$1;
+ my $file=$2;
+
+ $smileys{$smiley}=$file;
+
+ # Add a version with < and > escaped, since they probably
+ # will be (by markdown) by the time the sanitize hook runs.
+ $smiley=~s/</</g;
+ $smiley=~s/>/>/g;
+ $smileys{$smiley}=$file;
}
if (! %smileys) {
- debug(gettext("failed to parse any smileys, disabling plugin"));
+ debug(gettext("failed to parse any smileys"));
+ $smiley_regexp='';
return;
}
- hook(type => "filter", id => "smiley", call => \&filter);
# sort and reverse so that substrings come after longer strings
# that contain them, in most cases.
$smiley_regexp='('.join('|', map { quotemeta }
reverse sort keys %smileys).')';
#debug($smiley_regexp);
-} #}}}
+}
-sub filter (@) { #{{{
+sub sanitize (@) {
my %params=@_;
+
+ build_regexp() unless defined $smiley_regexp;
- $params{content} =~ s{(?<=\s)(\\?)$smiley_regexp(?=\s)}{
- $1 ? $2 : htmllink($params{page}, $params{page}, $smileys{$2}, 0, 0, $2)
- }egs;
+ $_=$params{content};
+ return $_ unless length $smiley_regexp;
+
+MATCH: while (m{(?:^|(?<=\s|>))(\\?)$smiley_regexp(?:(?=\s|<)|$)}g) {
+ my $escape=$1;
+ my $smiley=$2;
+ my $epos=$-[1];
+ my $spos=$-[2];
+
+ # Smilies are not allowed inside <pre> or <code>.
+ # For each tag in turn, match forward to find the next <tag>
+ # or </tag> after the smiley.
+ my $pos=pos;
+ foreach my $tag ("pre", "code") {
+ if (m/<(\/)?\s*$tag\s*>/isg && defined $1) {
+ # </tag> found first, so the smiley is
+ # inside the tag, so do not expand it.
+ next MATCH;
+ }
+ # Reset pos back to where it was before this test.
+ pos=$pos;
+ }
- return $params{content};
-} # }}}
+ if ($escape) {
+ # Remove escape.
+ substr($_, $epos, 1)="";
+ pos=$epos+1;
+ }
+ else {
+ # Replace the smiley with its expanded value.
+ my $link=htmllink($params{page}, $params{destpage},
+ $smileys{$smiley}, linktext => $smiley);
+ substr($_, $spos, length($smiley))=$link;
+ pos=$epos+length($link);
+ }
+ }
+
+ return $_;
+}
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