1 files changed, 38 insertions, 0 deletions
diff --git a/lib/PublicInbox/AddressPP.pm b/lib/PublicInbox/AddressPP.pm
new file mode 100644
index 00000000..cd7aedb9
--- /dev/null
+++ b/lib/PublicInbox/AddressPP.pm
@@ -0,0 +1,38 @@
+# Copyright (C) 2016-2019 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+package PublicInbox::AddressPP;
+use strict;
+
+# very loose regexes, here.  We don't need RFC-compliance,
+# just enough to make thing sanely displayable and pass to git
+# We favor Email::Address::XS for conformance if available
+
+sub emails {
+        ($_[0] =~ /([\w\.\+=\?"\(\)\-!#\$%&'\*\/\^\`\|\{\}~]+\@[\w\.\-\(\)]+)
+                (?:\s[^>]*)?>?\s*(?:\(.*?\))?(?:,\s*|\z)/gx)
+}
+
+sub names {
+        my @p = split(/<?([^@<>]+)\@[\w\.\-]+>?\s*(\(.*?\))?(?:,\s*|\z)/,
+                        $_[0]);
+        my @ret;
+        for (my $i = 0; $i <= $#p;) {
+                my $phrase = $p[$i++];
+                $phrase =~ tr/\r\n\t / /s;
+                $phrase =~ s/\A['"\s]*//;
+                $phrase =~ s/['"\s]*\z//;
+                my $user = $p[$i++] // '';
+                my $comment = $p[$i++] // '';
+                if ($phrase =~ /\S/) {
+                        $phrase =~ s/\@\S+\z//;
+                        push @ret, $phrase;
+                } elsif ($comment =~ /\A\((.*?)\)\z/) {
+                        push @ret, $1;
+                } else {
+                        push @ret, $user;
+                }
+        }
+        @ret;
+}
+
+1;