/usr/lib/urxvt/perl/selection is in rxvt-unicode 9.14-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | #! perl
sub on_user_command {
my ($self, $cmd) = @_;
$cmd eq "selection:rot13"
and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection);
()
}
sub on_init {
my ($self) = @_;
if (defined (my $res = $self->resource ("cutchars"))) {
$res = $self->locale_decode ($res);
push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x;
}
for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
$res = $self->locale_decode ($res);
push @{ $self->{patterns} }, qr/$res/;
}
$self->{enabled} = 1;
push @{ $self->{term}{option_popup_hook} }, sub {
("new selection" => $self->{enabled}, sub { $self->{enabled} = shift })
};
()
}
# "find interesting things"-patterns
my @mark_patterns = (
# qr{ ([[:word:]]+) }x,
qr{ ([^[:space:]]+) }x,
# common types of "parentheses"
qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x,
qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x,
qr{ (?<![^[:space:]]) “ ([^“”]+) ” (?![^[:space:]]) }x,
qr{ (?<![^[:space:]]) (' [^[:space:]] [^']* ') }x,
qr{ (' [^']* [^[:space:]] ') (?![^[:space:]]) }x,
qr{ (?<![^[:space:]]) (` [^[:space:]] [^']* ') }x,
qr{ (` [^']* [^[:space:]] ') (?![^[:space:]]) }x,
qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x,
qr{ \{ ([^\{\}]+) \} }x,
qr{ \( ([^\(\)]+) \) }x,
qr{ \[ ([^\[\]]+) \] }x,
qr{ \< ([^\<\>]+) \> }x,
# urls, just a heuristic
qr{(
(?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+
[ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic)
)}x,
# shell-like argument quoting, basically always matches
qr{\G [\ \t|&;<>()]* (
(?:
[^\\"'\ \t|&;<>()]+
| \\.
| " (?: [^\\"]+ | \\. )* "
| ' [^']* '
)+
)}x,
);
# "correct obvious? crap"-patterns
my @simplify_patterns = (
qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
qr{^(.*)[,\-]$}, # strip off trailing , and -
);
sub on_sel_extend {
my ($self, $time) = @_;
$self->{enabled}
or return;
my ($row, $col) = $self->selection_mark;
my $line = $self->line ($row);
my $text = $line->t;
my $markofs = $line->offset_of ($row, $col);
my $curlen = $line->offset_of ($self->selection_end)
- $line->offset_of ($self->selection_beg);
my @matches;
if ($markofs < $line->l) {
study $text; # _really_ helps, too :)
for my $regex (@mark_patterns, @{ $self->{patterns} }) {
while ($text =~ /$regex/g) {
if ($-[1] <= $markofs and $markofs <= $+[1]) {
my $ofs = $-[1];
my $match = $1;
for my $regex (@simplify_patterns) {
if ($match =~ $regex) {
$match = $1;
$ofs += $-[1];
}
}
push @matches, [$ofs, length $match];
}
}
}
}
# whole line
push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
my ($ofs, $len) = @$_;
next if $len <= $curlen;
$self->selection_beg ($line->coord_of ($ofs));
$self->selection_end ($line->coord_of ($ofs + $len));
return 1;
}
()
}
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