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-rwxr-xr-xgitweb/gitweb.perl95
1 files changed, 92 insertions, 3 deletions
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 813571b..cd98888 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1724,6 +1724,88 @@ sub chop_and_escape_str {
}
}
+# Highlight selected fragments of string, using given CSS class,
+# and escape HTML. It is assumed that fragments do not overlap.
+# Regions are passed as list of pairs (array references).
+#
+# Example: esc_html_hl_regions("foobar", "mark", [ 0, 3 ]) returns
+# '<span class="mark">foo</span>bar'
+sub esc_html_hl_regions {
+ my ($str, $css_class, @sel) = @_;
+ return esc_html($str) unless @sel;
+
+ my $out = '';
+ my $pos = 0;
+
+ for my $s (@sel) {
+ $out .= esc_html(substr($str, $pos, $s->[0] - $pos))
+ if ($s->[0] - $pos > 0);
+ $out .= $cgi->span({-class => $css_class},
+ esc_html(substr($str, $s->[0], $s->[1] - $s->[0])));
+
+ $pos = $s->[1];
+ }
+ $out .= esc_html(substr($str, $pos))
+ if ($pos < length($str));
+
+ return $out;
+}
+
+# return positions of beginning and end of each match
+sub matchpos_list {
+ my ($str, $regexp) = @_;
+ return unless (defined $str && defined $regexp);
+
+ my @matches;
+ while ($str =~ /$regexp/g) {
+ push @matches, [$-[0], $+[0]];
+ }
+ return @matches;
+}
+
+# highlight match (if any), and escape HTML
+sub esc_html_match_hl {
+ my ($str, $regexp) = @_;
+ return esc_html($str) unless defined $regexp;
+
+ my @matches = matchpos_list($str, $regexp);
+ return esc_html($str) unless @matches;
+
+ return esc_html_hl_regions($str, 'match', @matches);
+}
+
+
+# highlight match (if any) of shortened string, and escape HTML
+sub esc_html_match_hl_chopped {
+ my ($str, $chopped, $regexp) = @_;
+ return esc_html_match_hl($str, $regexp) unless defined $chopped;
+
+ my @matches = matchpos_list($str, $regexp);
+ return esc_html($chopped) unless @matches;
+
+ # filter matches so that we mark chopped string
+ my $tail = "... "; # see chop_str
+ unless ($chopped =~ s/\Q$tail\E$//) {
+ $tail = '';
+ }
+ my $chop_len = length($chopped);
+ my $tail_len = length($tail);
+ my @filtered;
+
+ for my $m (@matches) {
+ if ($m->[0] > $chop_len) {
+ push @filtered, [ $chop_len, $chop_len + $tail_len ] if ($tail_len > 0);
+ last;
+ } elsif ($m->[1] > $chop_len) {
+ push @filtered, [ $m->[0], $chop_len + $tail_len ];
+ last;
+ }
+ push @filtered, $m;
+ }
+
+ return esc_html_hl_regions($chopped . $tail, 'match', @filtered);
+}
+
## ----------------------------------------------------------------------
## functions returning short strings
@@ -5368,10 +5450,17 @@ sub git_project_list_rows {
print "</td>\n";
}
print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
- -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
+ -class => "list"},
+ esc_html_match_hl($pr->{'path'}, $search_regexp)) .
+ "</td>\n" .
"<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
- -class => "list", -title => $pr->{'descr_long'}},
- esc_html($pr->{'descr'})) . "</td>\n" .
+ -class => "list",
+ -title => $pr->{'descr_long'}},
+ $search_regexp
+ ? esc_html_match_hl_chopped($pr->{'descr_long'},
+ $pr->{'descr'}, $search_regexp)
+ : esc_html($pr->{'descr'})) .
+ "</td>\n" .
"<td><i>" . chop_and_escape_str($pr->{'owner'}, 15) . "</i></td>\n";
print "<td class=\"". age_class($pr->{'age'}) . "\">" .
(defined $pr->{'age_string'} ? $pr->{'age_string'} : "No commits") . "</td>\n" .