| 1 |
#! perl |
| 2 |
|
| 3 |
# Author: Tim Pope <rxvt-unicodeNOSPAM@tpope.org> |
| 4 |
# Bob Farrell <robertanthonyfarrell@gmail.com> |
| 5 |
|
| 6 |
#:META:RESOURCE:%.launcher:string:default launcher command |
| 7 |
#:META:RESOURCE:%.button:string:the button, yeah |
| 8 |
#:META:RESOURCE:%.pattern.:string:extra pattern to match |
| 9 |
#:META:RESOURCE:%.launcher.:string:custom launcher for pattern |
| 10 |
#:META:RESOURCE:%.rend.:string:custom rendition for pattern |
| 11 |
|
| 12 |
=head1 NAME |
| 13 |
|
| 14 |
matcher - match strings in terminal output and change their rendition |
| 15 |
|
| 16 |
=head1 DESCRIPTION |
| 17 |
|
| 18 |
Uses per-line display filtering (C<on_line_update>) to underline text |
| 19 |
matching a certain pattern and make it clickable. When clicked with the |
| 20 |
mouse button specified in the C<matcher.button> resource (default 2, or |
| 21 |
middle), the program specified in the C<matcher.launcher> resource |
| 22 |
(default, the C<url-launcher> resource, C<sensible-browser>) will be started |
| 23 |
with the matched text as first argument. The default configuration is |
| 24 |
suitable for matching URLs and launching a web browser, like the |
| 25 |
former "mark-urls" extension. |
| 26 |
|
| 27 |
The default pattern to match URLs can be overridden with the |
| 28 |
C<matcher.pattern.0> resource, and additional patterns can be specified |
| 29 |
with numbered patterns, in a manner similar to the "selection" extension. |
| 30 |
The launcher can also be overridden on a per-pattern basis. |
| 31 |
|
| 32 |
It is possible to activate the most recently seen match or a list of matches |
| 33 |
from the keyboard. Simply bind a keysym to "matcher:last" or |
| 34 |
"matcher:list" as seen in the example below. |
| 35 |
|
| 36 |
Example: load and use the matcher extension with defaults. |
| 37 |
|
| 38 |
URxvt.perl-ext: default,matcher |
| 39 |
|
| 40 |
Example: use a custom configuration. |
| 41 |
|
| 42 |
URxvt.url-launcher: sensible-browser |
| 43 |
URxvt.keysym.C-Delete: matcher:last |
| 44 |
URxvt.keysym.M-Delete: matcher:list |
| 45 |
URxvt.matcher.button: 1 |
| 46 |
URxvt.matcher.pattern.1: \\bwww\\.[\\w-]+\\.[\\w./?&@#-]*[\\w/-] |
| 47 |
URxvt.matcher.pattern.2: \\B(/\\S+?):(\\d+)(?=:|$) |
| 48 |
URxvt.matcher.launcher.2: gvim +$2 $1 |
| 49 |
|
| 50 |
=cut |
| 51 |
|
| 52 |
my $url = |
| 53 |
qr{ |
| 54 |
(?:https?://|ftp://|news://|mailto:|file://|\bwww\.) |
| 55 |
[\w\-\@;\/?:&=%\$.+!*\x27,~#]* |
| 56 |
( |
| 57 |
\([\w\-\@;\/?:&=%\$.+!*\x27,~#]*\)| # Allow a pair of matched parentheses |
| 58 |
[\w\-\@;\/?:&=%\$+*~] # exclude some trailing characters (heuristic) |
| 59 |
)+ |
| 60 |
}x; |
| 61 |
|
| 62 |
sub matchlist_key_press { |
| 63 |
my ($self, $event, $keysym, $octets) = @_; |
| 64 |
|
| 65 |
delete $self->{overlay}; |
| 66 |
$self->disable ("key_press"); |
| 67 |
|
| 68 |
my $i = ($keysym == 96 ? 0 : $keysym - 48); |
| 69 |
if ($i >= 0 && $i < @{ $self->{matches} }) { |
| 70 |
my @exec = @{ $self->{matches}[$i] }; |
| 71 |
$self->exec_async (@exec[5 .. $#exec]); |
| 72 |
} |
| 73 |
|
| 74 |
1 |
| 75 |
} |
| 76 |
|
| 77 |
# backwards compat |
| 78 |
sub on_user_command { |
| 79 |
my ($self, $cmd) = @_; |
| 80 |
|
| 81 |
if ($cmd =~ s/^matcher:list\b//) { |
| 82 |
$self->matchlist; |
| 83 |
} else { |
| 84 |
if ($cmd =~ s/^matcher:last\b//) { |
| 85 |
$self->most_recent; |
| 86 |
} elsif ($cmd =~ s/^matcher\b//) { |
| 87 |
# for backward compatibility |
| 88 |
$self->most_recent; |
| 89 |
} |
| 90 |
} |
| 91 |
|
| 92 |
() |
| 93 |
} |
| 94 |
|
| 95 |
sub on_action { |
| 96 |
my ($self, $action) = @_; |
| 97 |
|
| 98 |
if ($action eq "list") { |
| 99 |
$self->matchlist; |
| 100 |
} elsif ($action eq "last") { |
| 101 |
$self->most_recent; |
| 102 |
} |
| 103 |
|
| 104 |
() |
| 105 |
} |
| 106 |
|
| 107 |
sub matchlist { |
| 108 |
my ($self) = @_; |
| 109 |
|
| 110 |
$self->{matches} = []; |
| 111 |
my $row = $self->nrow - 1; |
| 112 |
while ($row >= 0 && @{ $self->{matches} } < 10) { |
| 113 |
my $line = $self->line ($row); |
| 114 |
my @matches = $self->find_matches ($row); |
| 115 |
|
| 116 |
for (sort { $b->[0] <=> $a->[0] or $b->[1] <=> $a->[1] } @matches) { |
| 117 |
push @{ $self->{matches} }, $_; |
| 118 |
last if @{ $self->{matches} } == 10; |
| 119 |
} |
| 120 |
|
| 121 |
$row = $line->beg - 1; |
| 122 |
} |
| 123 |
|
| 124 |
return unless @{ $self->{matches} }; |
| 125 |
|
| 126 |
my $width = 0; |
| 127 |
|
| 128 |
my $i = 0; |
| 129 |
for my $match (@{ $self->{matches} }) { |
| 130 |
my $text = $match->[4]; |
| 131 |
my $w = $self->strwidth ("$i-$text"); |
| 132 |
|
| 133 |
$width = $w if $w > $width; |
| 134 |
$i++; |
| 135 |
} |
| 136 |
|
| 137 |
$width = $self->ncol - 2 if $width > $self->ncol - 2; |
| 138 |
|
| 139 |
$self->{overlay} = $self->overlay (0, 0, $width, scalar (@{ $self->{matches} }), urxvt::OVERLAY_RSTYLE, 2); |
| 140 |
my $i = 0; |
| 141 |
for my $match (@{ $self->{matches} }) { |
| 142 |
my $text = $match->[4]; |
| 143 |
|
| 144 |
$self->{overlay}->set (0, $i, "$i-$text"); |
| 145 |
$i++; |
| 146 |
} |
| 147 |
|
| 148 |
$self->enable (key_press => \&matchlist_key_press); |
| 149 |
} |
| 150 |
|
| 151 |
sub most_recent { |
| 152 |
my ($self) = shift; |
| 153 |
my $row = $self->nrow; |
| 154 |
my @exec; |
| 155 |
while($row-- > $self->top_row) { |
| 156 |
@exec = $self->command_for($row); |
| 157 |
last if(@exec); |
| 158 |
} |
| 159 |
if(@exec) { |
| 160 |
return $self->exec_async (@exec); |
| 161 |
} |
| 162 |
() |
| 163 |
} |
| 164 |
|
| 165 |
sub my_resource { |
| 166 |
$_[0]->x_resource ("%.$_[1]") |
| 167 |
} |
| 168 |
|
| 169 |
# turn a rendition spec in the resource into a sub that implements it on $_ |
| 170 |
sub parse_rend { |
| 171 |
my ($self, $str) = @_; |
| 172 |
my ($mask, $fg, $bg, $failed) = $str ? urxvt::rend2mask($str) |
| 173 |
: (urxvt::RS_Uline, undef, undef, []); |
| 174 |
warn "Failed to parse rendition string: " . join(',', @$failed) if @$failed; |
| 175 |
my @rend; |
| 176 |
push @rend, sub { $_ |= $mask } if $mask; |
| 177 |
push @rend, sub { $_ = urxvt::SET_FGCOLOR($_, $fg) } if defined $fg; |
| 178 |
push @rend, sub { $_ = urxvt::SET_BGCOLOR($_, $bg) } if defined $bg; |
| 179 |
sub { |
| 180 |
for my $s ( @rend ) { &$s }; |
| 181 |
} |
| 182 |
} |
| 183 |
|
| 184 |
sub on_start { |
| 185 |
my ($self) = @_; |
| 186 |
|
| 187 |
$self->{launcher} = $self->my_resource ("launcher") || $self->x_resource("url-launcher") || "sensible-browser"; |
| 188 |
|
| 189 |
$self->{button} = 2; |
| 190 |
$self->{state} = 0; |
| 191 |
if($self->{argv}[0] || $self->my_resource ("button")) { |
| 192 |
my @mods = split '', $self->{argv}[0] || $self->my_resource ("button"); |
| 193 |
for my $mod (@mods) { |
| 194 |
if($mod =~ /^\d+$/) { |
| 195 |
$self->{button} = $mod; |
| 196 |
} elsif($mod eq "C") { |
| 197 |
$self->{state} |= urxvt::ControlMask; |
| 198 |
} elsif($mod eq "S") { |
| 199 |
$self->{state} |= urxvt::ShiftMask; |
| 200 |
} elsif($mod eq "M") { |
| 201 |
$self->{state} |= $self->ModMetaMask; |
| 202 |
} elsif($mod ne "-" && $mod ne " ") { |
| 203 |
warn("$mod is invalid in $self->{_name}<$self->{argv}[0]>\n"); |
| 204 |
} |
| 205 |
} |
| 206 |
} |
| 207 |
|
| 208 |
my @defaults = ($url); |
| 209 |
my @matchers; |
| 210 |
for (my $idx = 0; defined (my $res = $self->my_resource ("pattern.$idx") || $defaults[$idx]); $idx++) { |
| 211 |
$res = $self->locale_decode ($res); |
| 212 |
utf8::encode $res; |
| 213 |
my $launcher = $self->my_resource ("launcher.$idx"); |
| 214 |
$launcher =~ s/\$&|\$\{&\}/\${0}/g if $launcher; |
| 215 |
my $rend = $self->parse_rend($self->my_resource ("rend.$idx")); |
| 216 |
unshift @matchers, [qr($res)x,$launcher,$rend]; |
| 217 |
} |
| 218 |
$self->{matchers} = \@matchers; |
| 219 |
|
| 220 |
() |
| 221 |
} |
| 222 |
|
| 223 |
sub on_line_update { |
| 224 |
my ($self, $row) = @_; |
| 225 |
|
| 226 |
# fetch the line that has changed |
| 227 |
my $line = $self->line ($row); |
| 228 |
my $text = $line->t; |
| 229 |
|
| 230 |
# find all urls (if any) |
| 231 |
for my $matcher (@{$self->{matchers}}) { |
| 232 |
while ($text =~ /$matcher->[0]/g) { |
| 233 |
#print "$&\n"; |
| 234 |
my $rend = $line->r; |
| 235 |
|
| 236 |
# mark all characters as underlined. we _must_ not toggle underline, |
| 237 |
# as we might get called on an already-marked url. |
| 238 |
&{$matcher->[2]} |
| 239 |
for @{$rend}[ $-[0] .. $+[0] - 1]; |
| 240 |
|
| 241 |
$line->r ($rend); |
| 242 |
} |
| 243 |
} |
| 244 |
|
| 245 |
() |
| 246 |
} |
| 247 |
|
| 248 |
sub valid_button { |
| 249 |
my ($self, $event) = @_; |
| 250 |
my $mask = $self->ModLevel3Mask | $self->ModMetaMask |
| 251 |
| urxvt::ShiftMask | urxvt::ControlMask; |
| 252 |
return ($event->{button} == $self->{button} && |
| 253 |
($event->{state} & $mask) == $self->{state}); |
| 254 |
} |
| 255 |
|
| 256 |
sub find_matches { |
| 257 |
my ($self, $row, $col) = @_; |
| 258 |
my $line = $self->line ($row); |
| 259 |
my $text = $line->t; |
| 260 |
my $off = $line->offset_of ($row, $col) if $col; |
| 261 |
|
| 262 |
my @matches; |
| 263 |
for my $matcher (@{$self->{matchers}}) { |
| 264 |
my $launcher = $matcher->[1] || $self->{launcher}; |
| 265 |
while ($text =~ /$matcher->[0]/g) { |
| 266 |
my $match = substr $text, $-[0], $+[0] - $-[0]; |
| 267 |
my @begin = @-; |
| 268 |
my @end = @+; |
| 269 |
my @exec; |
| 270 |
|
| 271 |
if (!defined($off) || ($-[0] <= $off && $+[0] >= $off)) { |
| 272 |
if ($launcher !~ /\$/) { |
| 273 |
@exec = ($launcher, $match); |
| 274 |
} else { |
| 275 |
# It'd be nice to just access a list like ($&,$1,$2...), |
| 276 |
# but alas, m//g behaves differently in list context. |
| 277 |
@exec = map { s/\$(\d+)|\$\{(\d+)\}/ |
| 278 |
substr $text, $begin[$1 || $2], $end[$1 || $2] - $begin[$1 || $2] |
| 279 |
/egx; $_ } split /\s+/, $launcher; |
| 280 |
} |
| 281 |
|
| 282 |
push @matches, [ $line->coord_of ($begin[0]), $line->coord_of ($end[0]), $match, @exec ]; |
| 283 |
} |
| 284 |
} |
| 285 |
} |
| 286 |
|
| 287 |
@matches; |
| 288 |
} |
| 289 |
|
| 290 |
sub command_for { |
| 291 |
my ($self, $row, $col) = @_; |
| 292 |
|
| 293 |
my @matches = $self->find_matches ($row, $col); |
| 294 |
if (@matches) { |
| 295 |
my @match = @{ $matches[0] }; |
| 296 |
return @match[5 .. $#match]; |
| 297 |
} |
| 298 |
|
| 299 |
() |
| 300 |
} |
| 301 |
|
| 302 |
sub on_button_press { |
| 303 |
my ($self, $event) = @_; |
| 304 |
if($self->valid_button($event) |
| 305 |
&& (my @exec = $self->command_for($event->{row},$event->{col}))) { |
| 306 |
$self->{row} = $event->{row}; |
| 307 |
$self->{col} = $event->{col}; |
| 308 |
$self->{cmd} = \@exec; |
| 309 |
return 1; |
| 310 |
} else { |
| 311 |
delete $self->{row}; |
| 312 |
delete $self->{col}; |
| 313 |
delete $self->{cmd}; |
| 314 |
} |
| 315 |
|
| 316 |
() |
| 317 |
} |
| 318 |
|
| 319 |
sub on_button_release { |
| 320 |
my ($self, $event) = @_; |
| 321 |
|
| 322 |
my $row = delete $self->{row}; |
| 323 |
my $col = delete $self->{col}; |
| 324 |
my $cmd = delete $self->{cmd}; |
| 325 |
|
| 326 |
return if !defined $row; |
| 327 |
|
| 328 |
if($row == $event->{row} && abs($col-$event->{col}) < 2 |
| 329 |
&& join("\x00", @$cmd) eq join("\x00", $self->command_for($row,$col))) { |
| 330 |
if($self->valid_button($event)) { |
| 331 |
|
| 332 |
$self->exec_async (@$cmd); |
| 333 |
|
| 334 |
} |
| 335 |
} |
| 336 |
|
| 337 |
1; |
| 338 |
} |
| 339 |
|
| 340 |
# vim:set sw=3 sts=3 et: |
