--- /dev/null
+# Copyright (C) 2015 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+package PublicInbox::RepoBrowseTree;
+use strict;
+use warnings;
+use base qw(PublicInbox::RepoBrowseBase);
+use PublicInbox::Git;
+use URI::Escape qw(uri_escape_utf8);
+use Encode qw/find_encoding/;
+my $enc_utf8 = find_encoding('UTF-8');
+
+my %GIT_MODE = (
+ '100644' => ' ', # blob
+ '100755' => 'x', # executable blob
+ '040000' => 'd', # tree
+ '120000' => 'l', # symlink
+ '160000' => 'g', # commit (gitlink)
+);
+
+sub git_tree_stream {
+ my ($self, $req, $res) = @_; # res: Plack callback
+ my $repo_info = $req->{repo_info};
+ my $dir = $repo_info->{path};
+ my @extra = @{$req->{extra}};
+ my $tslash;
+ if (@extra && $extra[-1] eq '') { # no trailing slash
+ pop @extra;
+ $tslash = 1;
+ }
+ my $tree_path = join('/', @extra);
+ my $q = PublicInbox::RepoBrowseQuery->new($req->{cgi});
+ my $id = $q->{id};
+ $id eq '' and $id = 'HEAD';
+
+ my $obj = "$id:$tree_path";
+ my $git = $repo_info->{git} ||= PublicInbox::Git->new($dir);
+ my ($hex, $type, $size) = $git->check($obj);
+
+ if (!defined($type) || ($type ne 'blob' && $type ne 'tree')) {
+ return $res->([404, ['Content-Type'=>'text/html'],
+ ['Not Found']]);
+ }
+
+ my $fh = $res->([200, ['Content-Type'=>'text/html; charset=UTF-8']]);
+ $fh->write('<html><head><title></title></head><body>'.
+ PublicInbox::Hval::PRE);
+
+ if ($type eq 'tree') {
+ tree_show($fh, $git, $hex, $q, \@extra, $tslash);
+ } elsif ($type eq 'blob') {
+ blob_show($fh, $git, $hex);
+ }
+ $fh->write('</body></html>');
+ $fh->close;
+}
+
+sub call_git {
+ my ($self, $req) = @_;
+ sub { git_tree_stream($self, $req, @_) };
+}
+
+sub blob_binary {
+ my ($fh) = @_;
+ $fh->write("Binary file cannot be displayed\n");
+}
+
+sub blob_show {
+ my ($fh, $git, $hex) = @_;
+ # ref: buffer_is_binary in git.git
+ my $to_read = 8000; # git uses this size to detect binary files
+ my $text_p;
+ $git->cat_file($hex, sub {
+ my ($cat, $left) = @_; # $$left == $size
+ my $n = 0;
+ $to_read = $$left if $to_read > $$left;
+ my $r = read($cat, my $buf, $to_read);
+ return unless defined($r) && $r > 0;
+ $$left -= $r;
+
+ return blob_binary($fh) if (index($buf, "\0") >= 0);
+
+ $text_p = 1;
+ $fh->write('<table><tr><td>'.PublicInbox::Hval::PRE);
+ while (1) {
+ my @buf = split("\n", $buf, -1);
+ $buf = pop @buf; # last line, careful...
+ $n += scalar @buf;
+ foreach my $l (@buf) {
+ $l = $enc_utf8->decode($l);
+ $l = PublicInbox::Hval::ascii_html($l);
+ $l .= "\n";
+ $fh->write($l);
+ }
+ last if ($$left == 0 || !defined $buf);
+
+ $to_read = $$left if $to_read > $$left;
+ my $off = length $buf; # last line from previous read
+ $r = read($cat, $buf, $to_read, $off);
+ return unless defined($r) && $r > 0;
+ $$left -= $r;
+ }
+
+ $fh->write('</pre></td><td><pre>');
+ foreach my $i (1..$n) {
+ $fh->write("<a id=n$i href='#n$i'>$i</a>\n");
+ }
+ $fh->write('</pre></td></tr></table>');
+ 0;
+ });
+}
+
+sub tree_show {
+ my ($fh, $git, $hex, $q, $extra, $tslash) = @_;
+
+ my $ls = $git->popen(qw(ls-tree --abbrev=16 -l -z), $hex);
+ local $/ = "\0";
+ my $pfx = $tslash ? './' :
+ (@$extra ? uri_escape_utf8($extra->[-1]).'/' : 'tree/');
+
+ my $qs = $q->qs;
+ while (defined(my $l = <$ls>)) {
+ chomp $l;
+ my ($m, $t, $x, $s, $path) =
+ ($l =~ /\A(\S+) (\S+) (\S+)( *\S+)\t(.+)\z/s);
+ $m = $GIT_MODE{$m} or next;
+
+ my $ref = uri_escape_utf8($path);
+ $path = PublicInbox::Hval::ascii_html($path);
+
+ if ($m eq 'g') {
+ # TODO: support cross-repository gitlinks
+ $fh->write('g' . (' ' x 18) . "$path @ $x\n");
+ next;
+ }
+ elsif ($m eq 'd') { $path = "<b>$path/</b>" }
+ elsif ($m eq 'x') { $path = "<b>$path</b>" }
+ elsif ($m eq 'l') { $path = "<i>$path</i>" }
+
+ $ref = $pfx.PublicInbox::Hval::ascii_html($ref).$qs;
+ $fh->write("$m log raw $s <a\nhref=\"$ref\">$path</a>\n");
+ }
+ $fh->write('</pre>');
+}
+
+1;
projects / thirdparty / public-inbox.git / commitdiff
