www: label sections and hopefully improve navigation

[public-inbox.git] / lib / PublicInbox / Mbox.pm

diff --git a/lib/PublicInbox/Mbox.pm b/lib/PublicInbox/Mbox.pm
index 63ec605f6b1ecf0dd47534352335d3c423f36e4b..d2c095445778f368160a165f6b14cf8921e1bb43 100644 (file)
--- a/lib/PublicInbox/Mbox.pm
+++ b/lib/PublicInbox/Mbox.pm
@@ -8,7 +8,6 @@ use strict;
 use warnings;
 use PublicInbox::MID qw/mid_clean/;
 use URI::Escape qw/uri_escape_utf8/;
-use Plack::Util;
 require Email::Simple;
 
 sub emit1 {
@@ -28,7 +27,7 @@ sub msg_str {
                $header_obj->header_set($d);
        }
        my $ibx = $ctx->{-inbox};
-       my $base = $ibx->base_url($ctx->{cgi});
+       my $base = $ibx->base_url($ctx->{env});
        my $mid = mid_clean($header_obj->header('Message-ID'));
        $mid = uri_escape_utf8($mid);
        my @append = (
@@ -110,7 +109,7 @@ use warnings;
 
 sub new {
        my ($class, $ctx, $cb) = @_;
-       my $buf;
+       my $buf = '';
        bless {
                buf => \$buf,
                gz => IO::Compress::Gzip->new(\$buf, Time => 0),
@@ -121,19 +120,11 @@ sub new {
        }, $class;
 }
 
-sub _flush_buf {
-       my ($self) = @_;
-       my $ret = $self->{buf};
-       $ret = $$ret;
-       ${$self->{buf}} = undef;
-       $ret;
-}
-
 # called by Plack::Util::foreach or similar
 sub getline {
        my ($self) = @_;
+       my $ctx = $self->{ctx} or return;
        my $res;
-       my $ctx = $self->{ctx};
        my $ibx = $ctx->{-inbox};
        my $gz = $self->{gz};
        do {
@@ -141,8 +132,12 @@ sub getline {
                        my $msg = eval { $ibx->msg_by_mid($smsg->mid) } or next;
                        $msg = Email::Simple->new($msg);
                        $gz->write(PublicInbox::Mbox::msg_str($ctx, $msg));
-                       my $ret = _flush_buf($self);
-                       return $ret if $ret;
+                       my $bref = $self->{buf};
+                       if (length($$bref) >= 8192) {
+                               my $ret = $$bref; # copy :<
+                               ${$self->{buf}} = '';
+                               return $ret;
+                       }
                }
                $res = $self->{cb}->($self->{opts});
                $self->{msgs} = $res->{msgs};
@@ -150,7 +145,8 @@ sub getline {
                $self->{opts}->{offset} += $res;
        } while ($res);
        $gz->close;
-       _flush_buf($self);
+       delete $self->{ctx};
+       ${delete $self->{buf}};
 }
 
 sub close {} # noop