view: wire up diff and vcs viewers with solver

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

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 470e3ab7557a8df48f0cf95e9e8eb568389d71f0..0187ec332a58faaa4c89b6bb349a5fbb07f9c5fa 100644 (file)
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -14,6 +14,7 @@ use PublicInbox::MsgIter;
 use PublicInbox::Address;
 use PublicInbox::WwwStream;
 use PublicInbox::Reply;
+use PublicInbox::ViewDiff qw(flush_diff);
 require POSIX;
 use Time::Local qw(timegm);
 
@@ -28,7 +29,7 @@ sub msg_html {
        my ($ctx, $mime, $more, $smsg) = @_;
        my $hdr = $mime->header_obj;
        my $ibx = $ctx->{-inbox};
-       my $obfs_ibx = $ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
+       $ctx->{-obfs_ibx} = $ibx->{obfuscate} ? $ibx : undef;
        my $tip = _msg_html_prepare($hdr, $ctx, $more, 0);
        my $end = 2;
        PublicInbox::WwwStream->response($ctx, 200, sub {
@@ -36,7 +37,7 @@ sub msg_html {
                if ($nr == 1) {
                        # $more cannot be true w/o $smsg being defined:
                        my $upfx = $more ? '../'.mid_escape($smsg->mid).'/' : '';
-                       $tip . multipart_text_as_html($mime, $upfx, $obfs_ibx) .
+                       $tip . multipart_text_as_html($mime, $upfx, $ibx) .
                                '</pre><hr>'
                } elsif ($more && @$more) {
                        ++$end;
@@ -81,15 +82,15 @@ sub msg_html_more {
        my $str = eval {
                my ($id, $prev, $smsg) = @$more;
                my $mid = $ctx->{mid};
-               $smsg = $ctx->{-inbox}->smsg_mime($smsg);
+               my $ibx = $ctx->{-inbox};
+               $smsg = $ibx->smsg_mime($smsg);
                my $next = $ctx->{srch}->next_by_mid($mid, \$id, \$prev);
                @$more = $next ? ($id, $prev, $next) : ();
                if ($smsg) {
                        my $mime = $smsg->{mime};
                        my $upfx = '../' . mid_escape($smsg->mid) . '/';
                        _msg_html_prepare($mime->header_obj, $ctx, $more, $nr) .
-                               multipart_text_as_html($mime, $upfx,
-                                                       $ctx->{-obfs_ibx}) .
+                               multipart_text_as_html($mime, $upfx, $ibx) .
                                '</pre><hr>'
                } else {
                        '';
@@ -260,7 +261,8 @@ sub index_entry {
        $rv .= "\n";
 
        # scan through all parts, looking for displayable text
-       msg_iter($mime, sub { $rv .= add_text_body($mhref, $obfs_ibx, $_[0]) });
+       my $ibx = $ctx->{-inbox};
+       msg_iter($mime, sub { $rv .= add_text_body($mhref, $ibx, $_[0]) });
 
        # add the footer
        $rv .= "\n<a\nhref=#$id_m\nid=e$id>^</a> ".
@@ -488,11 +490,11 @@ sub thread_html {
 }
 
 sub multipart_text_as_html {
-       my ($mime, $upfx, $obfs_ibx) = @_;
+       my ($mime, $upfx, $ibx) = @_;
        my $rv = "";
 
        # scan through all parts, looking for displayable text
-       msg_iter($mime, sub { $rv .= add_text_body($upfx, $obfs_ibx, $_[0]) });
+       msg_iter($mime, sub { $rv .= add_text_body($upfx, $ibx, $_[0]) });
        $rv;
 }
 
@@ -545,7 +547,8 @@ sub attach_link ($$$$;$) {
 }
 
 sub add_text_body {
-       my ($upfx, $obfs_ibx, $p) = @_;
+       my ($upfx, $ibx, $p) = @_;
+       my $obfs_ibx = $ibx->{obfuscate} ? $ibx : undef;
        # $p - from msg_iter: [ Email::MIME, depth, @idx ]
        my ($part, $depth) = @$p; # attachment @idx is unused
        my $ct = $part->content_type || 'text/plain';
@@ -554,6 +557,19 @@ sub add_text_body {
 
        return attach_link($upfx, $ct, $p, $fn) unless defined $s;
 
+       my ($diff, $spfx);
+       if ($ibx->{-repo_objs} && $s =~ /^(?:diff|---|\+{3}) /ms) {
+               $diff = [];
+               my $n_slash = $upfx =~ tr!/!/!;
+               if ($n_slash == 0) {
+                       $spfx = '../';
+               } elsif ($n_slash == 1) {
+                       $spfx = '';
+               } else { # nslash == 2
+                       $spfx = '../../';
+               }
+       };
+
        my @lines = split(/^/m, $s);
        $s = '';
        if (defined($fn) || $depth > 0 || $err) {
@@ -568,19 +584,26 @@ sub add_text_body {
                        # show the previously buffered quote inline
                        flush_quote(\$s, $l, \@quot) if @quot;
 
-                       # regular line, OK
-                       $l->linkify_1($cur);
-                       $s .= $l->linkify_2(ascii_html($cur));
+                       if ($diff) {
+                               push @$diff, $cur;
+                       } else {
+                               # regular line, OK
+                               $l->linkify_1($cur);
+                               $s .= $l->linkify_2(ascii_html($cur));
+                       }
                } else {
+                       flush_diff(\$s, $spfx, $l, $diff) if $diff && @$diff;
                        push @quot, $cur;
                }
        }
 
        if (@quot) { # ugh, top posted
                flush_quote(\$s, $l, \@quot);
+               flush_diff(\$s, $spfx, $l, $diff) if $diff && @$diff;
                obfuscate_addrs($obfs_ibx, $s) if $obfs_ibx;
                $s;
        } else {
+               flush_diff(\$s, $spfx, $l, $diff) if $diff && @$diff;
                obfuscate_addrs($obfs_ibx, $s) if $obfs_ibx;
                if ($s =~ /\n\z/s) { # common, last line ends with a newline
                        $s;