# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# Maildirs for now, MH eventually
+# ref: https://cr.yp.to/proto/maildir.html
+# https://wiki2.dovecot.org/MailboxFormat/Maildir
package PublicInbox::MdirReader;
use strict;
use v5.10.1;
+# returns Maildir flags from a basename ('' for no flags, undef for invalid)
+sub maildir_basename_flags {
+ my (@f) = split(/:/, $_[0], -1);
+ return if (scalar(@f) > 2 || substr($f[0], 0, 1) eq '.');
+ $f[1] // return ''; # "new"
+ $f[1] =~ /\A2,([A-Za-z]*)\z/ ? $1 : undef; # "cur"
+}
+
+# same as above, but for full path name
+sub maildir_path_flags {
+ my ($f) = @_;
+ my $i = rindex($f, '/');
+ $i >= 0 ? maildir_basename_flags(substr($f, $i + 1)) : undef;
+}
+
sub maildir_each_file ($$;@) {
my ($dir, $cb, @arg) = @_;
$dir .= '/' unless substr($dir, -1) eq '/';
for my $d (qw(new/ cur/)) {
my $pfx = $dir.$d;
opendir my $dh, $pfx or next;
- while (defined(my $fn = readdir($dh))) {
- $cb->($pfx.$fn, @arg) if $fn =~ /:2,[A-Za-z]*\z/;
+ while (defined(my $bn = readdir($dh))) {
+ maildir_basename_flags($bn) // next;
+ $cb->($pfx.$bn, @arg);
}
}
}