if (length($searchtext) < 2) {
die_error(403, "At least two characters are required for search parameter");
}
- $search_regexp = $search_use_regexp ? $searchtext : quotemeta $searchtext;
+ if ($search_use_regexp) {
+ $search_regexp = $searchtext;
+ if (!eval { qr/$search_regexp/; 1; }) {
+ (my $error = $@) =~ s/ at \S+ line \d+.*\n?//;
+ die_error(400, "Invalid search regexp '$search_regexp'",
+ esc_html($error));
+ }
+ } else {
+ $search_regexp = quotemeta $searchtext;
+ }
}
}
# '<span class="mark">foo</span>bar'
sub esc_html_hl_regions {
my ($str, $css_class, @sel) = @_;
- return esc_html($str) unless @sel;
+ my %opts = grep { ref($_) ne 'ARRAY' } @sel;
+ @sel = grep { ref($_) eq 'ARRAY' } @sel;
+ return esc_html($str, %opts) 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] - $s->[0])));
+ my ($begin, $end) = @$s;
+
+ # Don't create empty <span> elements.
+ next if $end <= $begin;
+
+ my $escaped = esc_html(substr($str, $begin, $end - $begin),
+ %opts);
+
+ $out .= esc_html(substr($str, $pos, $begin - $pos), %opts)
+ if ($begin - $pos > 0);
+ $out .= $cgi->span({-class => $css_class}, $escaped);
- $pos = $s->[1];
+ $pos = $end;
}
- $out .= esc_html(substr($str, $pos))
+ $out .= esc_html(substr($str, $pos), %opts)
if ($pos < length($str));
return $out;
}
-# highlight match (if any), and escape HTML
-sub esc_html_match_hl {
+# return positions of beginning and end of each match
+sub matchpos_list {
my ($str, $regexp) = @_;
- return esc_html($str) unless defined $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 . $tail, 'match', @filtered);
+}
+
## ----------------------------------------------------------------------
## functions returning short strings
sub search_projects_list {
my ($projlist, %opts) = @_;
my $tagfilter = $opts{'tagfilter'};
- my $searchtext = $opts{'searchtext'};
+ my $search_re = $opts{'search_regexp'};
return @$projlist
- unless ($tagfilter || $searchtext);
+ unless ($tagfilter || $search_re);
# searching projects require filling to be run before it;
fill_project_list_info($projlist,
$tagfilter ? 'ctags' : (),
- $searchtext ? ('path', 'descr') : ());
+ $search_re ? ('path', 'descr') : ());
my @projects;
PROJECT:
foreach my $pr (@$projlist) {
grep { lc($_) eq lc($tagfilter) } keys %{$pr->{'ctags'}};
}
- if ($searchtext) {
+ if ($search_re) {
next unless
- $pr->{'path'} =~ /$searchtext/ ||
- $pr->{'descr_long'} =~ /$searchtext/;
+ $pr->{'path'} =~ /$search_re/ ||
+ $pr->{'descr_long'} =~ /$search_re/;
}
push @projects, $pr;
print "</table>\n";
}
+# Print context lines and then rem/add lines in a side-by-side manner.
+sub print_sidebyside_diff_lines {
+ my ($ctx, $rem, $add) = @_;
+
+ # print context block before add/rem block
+ if (@$ctx) {
+ print join '',
+ '<div class="chunk_block ctx">',
+ '<div class="old">',
+ @$ctx,
+ '</div>',
+ '<div class="new">',
+ @$ctx,
+ '</div>',
+ '</div>';
+ }
+
+ if (!@$add) {
+ # pure removal
+ print join '',
+ '<div class="chunk_block rem">',
+ '<div class="old">',
+ @$rem,
+ '</div>',
+ '</div>';
+ } elsif (!@$rem) {
+ # pure addition
+ print join '',
+ '<div class="chunk_block add">',
+ '<div class="new">',
+ @$add,
+ '</div>',
+ '</div>';
+ } else {
+ print join '',
+ '<div class="chunk_block chg">',
+ '<div class="old">',
+ @$rem,
+ '</div>',
+ '<div class="new">',
+ @$add,
+ '</div>',
+ '</div>';
+ }
+}
+
sub print_sidebyside_diff_chunk {
my @chunk = @_;
my (@ctx, @rem, @add);
next;
}
- ## print from accumulator when type of class of lines change
- # empty contents block on start rem/add block, or end of chunk
- if (@ctx && (!$class || $class eq 'rem' || $class eq 'add')) {
- print join '',
- '<div class="chunk_block ctx">',
- '<div class="old">',
- @ctx,
- '</div>',
- '<div class="new">',
- @ctx,
- '</div>',
- '</div>';
- @ctx = ();
- }
- # empty add/rem block on start context block, or end of chunk
- if ((@rem || @add) && (!$class || $class eq 'ctx')) {
- if (!@add) {
- # pure removal
- print join '',
- '<div class="chunk_block rem">',
- '<div class="old">',
- @rem,
- '</div>',
- '</div>';
- } elsif (!@rem) {
- # pure addition
- print join '',
- '<div class="chunk_block add">',
- '<div class="new">',
- @add,
- '</div>',
- '</div>';
- } else {
- # assume that it is change
- print join '',
- '<div class="chunk_block chg">',
- '<div class="old">',
- @rem,
- '</div>',
- '<div class="new">',
- @add,
- '</div>',
- '</div>';
- }
- @rem = @add = ();
+ ## print from accumulator when have some add/rem lines or end
+ # of chunk (flush context lines)
+ if (!$class || ((@rem || @add) && $class eq 'ctx')) {
+ print_sidebyside_diff_lines(\@ctx, \@rem, \@add);
+ @ctx = @rem = @add = ();
}
## adding lines to accumulator
# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
sub git_project_search_form {
- my ($searchtext, $search_use_regexp);
+ my ($searchtext, $search_use_regexp) = @_;
my $limit = '';
if ($project_filter) {
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" .
my $show_ctags = gitweb_check_feature('ctags');
my $tagfilter = $show_ctags ? $input_params{'ctag'} : undef;
$check_forks = undef
- if ($tagfilter || $searchtext);
+ if ($tagfilter || $search_regexp);
# filtering out forks before filling info allows to do less work
@projects = filter_forks_from_projects_list(\@projects)
if ($check_forks);
# search_projects_list pre-fills required info
@projects = search_projects_list(\@projects,
- 'searchtext' => $searchtext,
+ 'search_regexp' => $search_regexp,
'tagfilter' => $tagfilter)
- if ($tagfilter || $searchtext);
+ if ($tagfilter || $search_regexp);
# fill the rest
@projects = fill_project_list_info(\@projects);
sub git_heads_body {
# uses global variable $project
- my ($headlist, $head, $from, $to, $extra) = @_;
+ my ($headlist, $head_at, $from, $to, $extra) = @_;
$from = 0 unless defined $from;
$to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
for (my $i = $from; $i <= $to; $i++) {
my $entry = $headlist->[$i];
my %ref = %$entry;
- my $curr = $ref{'id'} eq $head;
+ my $curr = defined $head_at && $ref{'id'} eq $head_at;
if ($alternate) {
print "<tr class=\"dark\">\n";
} else {
my $alternate = 1;
my $matches = 0;
my $lastfile = '';
+ my $file_href;
while (my $line = <$fd>) {
chomp $line;
- my ($file, $file_href, $lno, $ltext, $binary);
+ my ($file, $lno, $ltext, $binary);
last if ($matches++ > 1000);
if ($line =~ /^Binary file (.+) matches$/) {
$file = $1;