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root |
1.4 |
#! perl |
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elmex |
1.1 |
sub on_keyboard_command { |
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root |
1.7 |
my ($self, $cmd) = @_; |
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elmex |
1.2 |
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$cmd eq "selection:rot13" |
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root |
1.7 |
and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection); |
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elmex |
1.3 |
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() |
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elmex |
1.1 |
} |
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root |
1.5 |
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root |
1.23 |
sub on_init { |
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my ($self) = @_; |
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for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { |
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root |
1.31 |
$res = $self->locale_decode ($res); |
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utf8::encode $res; |
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root |
1.23 |
push @{ $self->{patterns} }, qr/$res/; |
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} |
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() |
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} |
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root |
1.34 |
# "find interesting things"-patterns |
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root |
1.15 |
my @mark_patterns = ( |
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root |
1.24 |
# common types of "parentheses" |
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root |
1.25 |
qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x, |
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qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x, |
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qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, |
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qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x, |
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qr{ \< ([^<>[:space:]]+) \> }x, |
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qr{ \{ ([^{}[:space:]]+) \} }x, |
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qr{ \[ ([^{}[:space:]]+) \] }x, |
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qr{ \( ([^()[:space:]]+) \) }x, |
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root |
1.14 |
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root |
1.20 |
# urls, just a heuristic |
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qr{( |
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(?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ |
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[ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) |
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)}x, |
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root |
1.17 |
# shell-like argument quoting, basically always matches |
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root |
1.34 |
qr{\G [\ \t|&;<>()]* ( |
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root |
1.9 |
(?: |
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root |
1.11 |
[^\\"'\ \t|&;<>()]+ |
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root |
1.9 |
| \\. |
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root |
1.13 |
| " (?: [^\\"]+ | \\. )* " |
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root |
1.9 |
| ' [^']* ' |
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)+ |
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root |
1.14 |
)}x, |
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root |
1.8 |
); |
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root |
1.16 |
# "correct obvious? crap"-patterns |
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root |
1.15 |
my @simplify_patterns = ( |
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qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple |
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root |
1.16 |
qr{^(.*)[,\-]$}, # strip off trailing , and - |
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root |
1.15 |
); |
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root |
1.14 |
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root |
1.6 |
sub on_sel_extend { |
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root |
1.21 |
my ($self, $time) = @_; |
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root |
1.8 |
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my ($row, $col) = $self->selection_mark; |
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my $line = $self->line ($row); |
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my $text = $line->t; |
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root |
1.20 |
my $markofs = $line->offset_of ($row, $col); |
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my $curlen = $line->offset_of ($self->selection_end) |
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- $line->offset_of ($self->selection_beg); |
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my @matches; |
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root |
1.8 |
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root |
1.32 |
if ($markofs < $line->l) { |
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# convert markofs form character to UTF-8 offset space |
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{ |
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my $prefix = substr $text, 0, $markofs; |
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utf8::encode $prefix; |
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$markofs = length $prefix; |
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} |
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# not doing matches in unicode mode helps speed |
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# enourmously here. working in utf-8 should be |
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# equivalent due to the magic of utf-8 encoding. |
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utf8::encode $text; |
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study $text; # _really_ helps, too :) |
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for my $regex (@mark_patterns, @{ $self->{patterns} }) { |
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while ($text =~ /$regex/g) { |
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if ($-[1] <= $markofs and $markofs <= $+[1]) { |
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my $ofs = $-[1]; |
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my $match = $1; |
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for my $regex (@simplify_patterns) { |
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if ($match =~ $regex) { |
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$match = $1; |
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$ofs += $-[1]; |
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} |
| 96 |
root |
1.15 |
} |
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root |
1.32 |
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push @matches, [$ofs, length $match]; |
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root |
1.15 |
} |
| 100 |
root |
1.8 |
} |
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} |
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} |
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root |
1.21 |
# whole line |
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push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol]; |
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root |
1.20 |
for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
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my ($ofs, $len) = @$_; |
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next if $len <= $curlen; |
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| 112 |
root |
1.32 |
# convert back from UTF-8 offset space to character space |
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{ |
| 114 |
root |
1.33 |
my $length = substr "$text ", $ofs, $len; |
| 115 |
root |
1.32 |
utf8::decode $length; |
| 116 |
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$len = length $length; |
| 117 |
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} |
| 118 |
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{ |
| 119 |
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my $prefix = substr $text, 0, $ofs; |
| 120 |
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utf8::decode $prefix; |
| 121 |
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$ofs = length $prefix; |
| 122 |
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} |
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root |
1.20 |
$self->selection_beg ($line->coord_of ($ofs)); |
| 125 |
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$self->selection_end ($line->coord_of ($ofs + $len)); |
| 126 |
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return 1; |
| 127 |
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} |
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| 129 |
root |
1.21 |
() |
| 130 |
root |
1.5 |
} |
