my $link_regexp;
+my $email_regexp = qr/^.+@.+$/;
+my $url_regexp = qr/^(?:[^:]+:\/\/|mailto:).*/i;
+
sub import {
hook(type => "getsetup", id => "link", call => \&getsetup);
hook(type => "checkconfig", id => "link", call => \&checkconfig);
plugin => {
safe => 1,
rebuild => 1,
+ section => "core",
},
}
)? # optional
\]\] # end of link
- }x,
+ }x;
+ }
+}
+
+sub is_externallink ($$) {
+ my $page = shift;
+ my $url = shift;
+ if ($url =~ /$email_regexp/) {
+ # url looks like an email address, so we assume it
+ # is supposed to be an external link if there is no
+ # page with that name.
+ $url =~ s/#.*//;
+ return (! (bestlink($page, linkpage($url))))
}
+ return ($url =~ /$url_regexp/)
+}
+
+sub externallink ($;@) {
+ my $url = shift;
+ my $pagetitle = shift;
+
+ # build pagetitle
+ if (! $pagetitle) {
+ $pagetitle = $url;
+ # use only the email address as title for mailto: urls
+ if ($pagetitle =~ /^mailto:.*/) {
+ $pagetitle =~ s/^mailto:([^?]+).*/$1/;
+ }
+ }
+
+ if ($url !~ /$url_regexp/) {
+ # handle email addresses (without mailto:)
+ $url = "mailto:" . $url;
+ }
+
+ return "<a href=\"$url\">$pagetitle</a>";
}
sub linkify (@) {
defined $2
? ( $1
? "[[$2|$3".($4 ? "#$4" : "")."]]"
- : htmllink($page, $destpage, linkpage($3),
- anchor => $4, linktext => pagetitle($2)))
+ : is_externallink($page, $3 . ($4 ? "#$4" : ""))
+ ? externallink("$3" . ($4 ? "#$4" : ""), $2)
+ : htmllink($page, $destpage, linkpage($3),
+ anchor => $4, linktext => pagetitle($2)))
: ( $1
? "[[$3".($4 ? "#$4" : "")."]]"
- : htmllink($page, $destpage, linkpage($3),
- anchor => $4))
+ : is_externallink($page, $3 . ($4 ? "#$4" : ""))
+ ? externallink("$3" . ($4 ? "#$4" : ""))
+ : htmllink($page, $destpage, linkpage($3),
+ anchor => $4))
}eg;
return $params{content};
my $content=$params{content};
while ($content =~ /(?<!\\)$link_regexp/g) {
- add_link($page, linkpage($2));
+ if (! is_externallink($page, $2 . ($3 ? "#$3" : ""))) {
+ add_link($page, linkpage($2));
+ }
}
}
my $new=$params{newpage};
$params{content} =~ s{(?<!\\)$link_regexp}{
- my $linktext=$2;
- my $link=$linktext;
- if (bestlink($page, linkpage($linktext)) eq $old) {
- $link=pagetitle($new, 1);
- $link=~s/ /_/g;
- if ($linktext =~ m/.*\/*?[A-Z]/) {
- # preserve leading cap of last component
- my @bits=split("/", $link);
- $link=join("/", @bits[0..$#bits-1], ucfirst($bits[$#bits]));
- }
- if (index($linktext, "/") == 0) {
- # absolute link
- $link="/$link";
+ if (! is_externallink($page, $2 . ($3 ? "#$3" : ""))) {
+ my $linktext=$2;
+ my $link=$linktext;
+ if (bestlink($page, linkpage($linktext)) eq $old) {
+ $link=pagetitle($new, 1);
+ $link=~s/ /_/g;
+ if ($linktext =~ m/.*\/*?[A-Z]/) {
+ # preserve leading cap of last component
+ my @bits=split("/", $link);
+ $link=join("/", @bits[0..$#bits-1], ucfirst($bits[$#bits]));
+ }
+ if (index($linktext, "/") == 0) {
+ # absolute link
+ $link="/$link";
+ }
}
+ defined $1
+ ? ( "[[$1|$link".($3 ? "#$3" : "")."]]" )
+ : ( "[[$link". ($3 ? "#$3" : "")."]]" )
}
- defined $1
- ? ( "[[$1|$link".($3 ? "#$3" : "")."]]" )
- : ( "[[$link". ($3 ? "#$3" : "")."]]" )
}eg;
return $params{content};