[PATCH 5/7] linkify: support adding "(raw)" link for Message-IDs

[Eric Wong <e@80x24.org>]

And use it for the per-message permalink display.
---
 lib/PublicInbox/Linkify.pm | 10 ++++++----
 lib/PublicInbox/View.pm    | 13 +++++--------
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/lib/PublicInbox/Linkify.pm b/lib/PublicInbox/Linkify.pm
index 5b83742c..af9be3ff 100644
--- a/lib/PublicInbox/Linkify.pm
+++ b/lib/PublicInbox/Linkify.pm
@@ -92,7 +92,7 @@ sub linkify_2 {
 # single pass linkification of <Message-ID@example.com> within $str
 # with $pfx being the URL prefix
 sub linkify_mids {
-	my ($self, $pfx, $str) = @_;
+	my ($self, $pfx, $str, $raw) = @_;
 	$$str =~ s!<([^>]+)>!
 		my $msgid = PublicInbox::Hval->new_msgid($1);
 		my $html = $msgid->as_html;
@@ -102,15 +102,17 @@ sub linkify_mids {
 		# salt this, as this could be exploited to show
 		# links in the HTML which don't show up in the raw mail.
 		my $key = sha1_hex($html . $SALT);
-		$self->{$key} = [ $href, $html ];
-		'<PI-LINK-'. $key . '>';
+		my $repl = qq(&lt;<a\nhref="$pfx/$href/">$html</a>&gt;);
+		$repl .= qq{ (<a\nhref="$pfx/$href/raw">raw</a>)} if $raw;
+		$self->{$key} = $repl;
+		'PI-LINK-'. $key;
 		!ge;
 	$$str = ascii_html($$str);
 	$$str =~ s!\bPI-LINK-([a-f0-9]{40})\b!
 		my $key = $1;
 		my $repl = $_[0]->{$key};
 		if (defined $repl) {
-			"<a\nhref=\"$pfx/$repl->[0]/\">$repl->[1]</a>";
+			$repl;
 		} else {
 			# false positive or somebody tried to mess with us
 			$key;
diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index ff55596d..00bf38a9 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -691,14 +691,11 @@ sub _msg_html_prepare {
 		$rv .= "Message-ID: &lt;$mhtml&gt; ";
 		$rv .= "(<a\nhref=\"raw\">raw</a>)\n";
 	} else {
-		foreach (@$mids) {
-			my $mid = PublicInbox::Hval->new_msgid($_);
-			my $mhtml = $mid->as_html;
-			my $href = $mid->{href};
-			$rv .= "Message-ID: ";
-			$rv .= "&lt;<a\nhref=\"../$href/\">$mhtml</a>&gt; ";
-			$rv .= "(<a\nhref=\"../$href/raw\">raw</a>)\n";
-		}
+		my $lnk = PublicInbox::Linkify->new;
+		my $s = '';
+		$s .= "Message-ID: $_\n" for ($hdr->header_raw('Message-ID'));
+		$lnk->linkify_mids('..', \$s, 1);
+		$rv .= $s;
 	}
 	$rv .= _parent_headers($hdr, $over);
 	$rv .= "\n";