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Diffstat (limited to '')
| -rw-r--r-- | vim-mode/vim_mode.pl | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/vim-mode/vim_mode.pl b/vim-mode/vim_mode.pl index 7f9402b..b9818bd 100644 --- a/vim-mode/vim_mode.pl +++ b/vim-mode/vim_mode.pl @@ -1707,14 +1707,46 @@ sub ex_registers { $registers->{'+'} = Irssi::parse_special('$U'); $registers->{'*'} = $registers->{'+'}; + my @empty_regs; + my $special_regs = { '+' => 1, '*' => 1, '_' => 1, '"' => 1, '0' => 1 }; + my $active_window = Irssi::active_win; foreach my $key (sort @regs) { next if $key eq '_'; # skip black hole if (defined $registers->{$key}) { my $register_val = $registers->{$key}; - $register_val =~ s/%/%%/g; - $active_window->print("register $key: $register_val"); + if (length $register_val or exists $special_regs->{$key}) { + $register_val =~ s/%/%%/g; + $active_window->print("register $key: $register_val"); + } else { + push @empty_regs, $key; + } + } + } + + # coalesce empty registers into a single line. + if (@empty_regs) { + my @runs; + my $run_start; + foreach my $i (0..$#empty_regs) { + my $cur = $empty_regs[$i]; + my $next = $empty_regs[$i+1]; + + $run_start = $cur unless $run_start; + if (defined $next and ord($cur) + 1 == ord($next)) { + # extend range. + } else { + # terminate range and restart + my $run_str = $run_start; + + if ($cur ne $run_start) { + $run_str .= "-$cur"; + } + push @runs, $run_str; + $run_start = undef; + } } + $active_window->print("Empty registers: " . join(', ', @runs)); } } else { _warn_ex(':registers'); |