diff options
| -rwxr-xr-x | gitweb/gitweb.perl | 73 |
1 files changed, 57 insertions, 16 deletions
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl index e8226b16f4..fc95e2ca85 100755 --- a/gitweb/gitweb.perl +++ b/gitweb/gitweb.perl @@ -848,32 +848,73 @@ sub project_in_list { ## ---------------------------------------------------------------------- ## HTML aware string manipulation +# Try to chop given string on a word boundary between position +# $len and $len+$add_len. If there is no word boundary there, +# chop at $len+$add_len. Do not chop if chopped part plus ellipsis +# (marking chopped part) would be longer than given string. sub chop_str { my $str = shift; my $len = shift; my $add_len = shift || 10; + my $where = shift || 'right'; # 'left' | 'center' | 'right' # allow only $len chars, but don't cut a word if it would fit in $add_len # if it doesn't fit, cut it if it's still longer than the dots we would add - $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/; - my $body = $1; - my $tail = $2; - if (length($tail) > 4) { - $tail = " ..."; - $body =~ s/&[^;]*$//; # remove chopped character entities + # remove chopped character entities entirely + + # when chopping in the middle, distribute $len into left and right part + # return early if chopping wouldn't make string shorter + if ($where eq 'center') { + return $str if ($len + 5 >= length($str)); # filler is length 5 + $len = int($len/2); + } else { + return $str if ($len + 4 >= length($str)); # filler is length 4 + } + + # regexps: ending and beginning with word part up to $add_len + my $endre = qr/.{$len}\w{0,$add_len}/; + my $begre = qr/\w{0,$add_len}.{$len}/; + + if ($where eq 'left') { + $str =~ m/^(.*?)($begre)$/; + my ($lead, $body) = ($1, $2); + if (length($lead) > 4) { + $body =~ s/^[^;]*;// if ($lead =~ m/&[^;]*$/); + $lead = " ..."; + } + return "$lead$body"; + + } elsif ($where eq 'center') { + $str =~ m/^($endre)(.*)$/; + my ($left, $str) = ($1, $2); + $str =~ m/^(.*?)($begre)$/; + my ($mid, $right) = ($1, $2); + if (length($mid) > 5) { + $left =~ s/&[^;]*$//; + $right =~ s/^[^;]*;// if ($mid =~ m/&[^;]*$/); + $mid = " ... "; + } + return "$left$mid$right"; + + } else { + $str =~ m/^($endre)(.*)$/; + my $body = $1; + my $tail = $2; + if (length($tail) > 4) { + $body =~ s/&[^;]*$//; + $tail = "... "; + } + return "$body$tail"; } - return "$body$tail"; } # takes the same arguments as chop_str, but also wraps a <span> around the # result with a title attribute if it does get chopped. Additionally, the # string is HTML-escaped. sub chop_and_escape_str { - my $str = shift; - my $len = shift; - my $add_len = shift || 10; + my ($str) = @_; - my $chopped = chop_str($str, $len, $add_len); + my $chopped = chop_str(@_); if ($chopped eq $str) { return esc_html($chopped); } else { @@ -3791,11 +3832,11 @@ sub git_search_grep_body { foreach my $line (@$comment) { if ($line =~ m/^(.*)($search_regexp)(.*)$/i) { my ($lead, $match, $trail) = ($1, $2, $3); - $match = chop_str($match, 70, 5); # in case match is very long - my $contextlen = int((80 - length($match))/2); # for the remainder - $contextlen = 30 if ($contextlen > 30); # but not too much - $lead = chop_str($lead, $contextlen, 10); - $trail = chop_str($trail, $contextlen, 10); + $match = chop_str($match, 70, 5, 'center'); + my $contextlen = int((80 - length($match))/2); + $contextlen = 30 if ($contextlen > 30); + $lead = chop_str($lead, $contextlen, 10, 'left'); + $trail = chop_str($trail, $contextlen, 10, 'right'); $lead = esc_html($lead); $match = esc_html($match); |