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root |
1.4 |
#! perl |
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| 3 |
root |
1.36 |
sub on_user_command { |
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root |
1.7 |
my ($self, $cmd) = @_; |
| 5 |
elmex |
1.2 |
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| 6 |
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$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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root |
1.35 |
if (defined (my $res = $self->resource ("cutchars"))) { |
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$res = $self->locale_decode ($res); |
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push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x; |
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} |
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root |
1.23 |
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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root |
1.37 |
$self->{enabled} = 1; |
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push @{ $self->{term}{option_popup_hook} }, sub { |
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("new selection" => $self->{enabled}, sub { $self->{enabled} = shift }) |
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}; |
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root |
1.23 |
() |
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} |
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| 35 |
root |
1.34 |
# "find interesting things"-patterns |
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root |
1.15 |
my @mark_patterns = ( |
| 37 |
root |
1.49 |
# qr{ ([[:word:]]+) }x, |
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root |
1.42 |
qr{ ([^[:space:]]+) }x, |
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root |
1.24 |
# common types of "parentheses" |
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root |
1.50 |
qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x, |
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root |
1.48 |
qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x, |
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qr{ (?<![^[:space:]]) “ ([^“”]+) ” (?![^[:space:]]) }x, |
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root |
1.43 |
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root |
1.47 |
qr{ (?<![^[:space:]]) (' [^[:space:]] [^']* ') }x, |
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root |
1.43 |
qr{ (' [^']* [^[:space:]] ') (?![^[:space:]]) }x, |
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root |
1.47 |
qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, |
| 48 |
root |
1.42 |
qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x, |
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root |
1.43 |
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| 50 |
root |
1.48 |
qr{ \{ ([^\{\}]+) \} }x, |
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qr{ \( ([^\(\)]+) \) }x, |
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qr{ \[ ([^\[\]]+) \] }x, |
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qr{ \< ([^\<\>]+) \> }x, |
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root |
1.14 |
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| 55 |
root |
1.20 |
# urls, just a heuristic |
| 56 |
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qr{( |
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root |
1.40 |
(?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+ |
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[ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic) |
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root |
1.20 |
)}x, |
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| 61 |
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 |
| " (?: [^\\"]+ | \\. )* " |
| 67 |
root |
1.9 |
| ' [^']* ' |
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)+ |
| 69 |
root |
1.14 |
)}x, |
| 70 |
root |
1.8 |
); |
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| 72 |
root |
1.16 |
# "correct obvious? crap"-patterns |
| 73 |
root |
1.15 |
my @simplify_patterns = ( |
| 74 |
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qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple |
| 75 |
root |
1.16 |
qr{^(.*)[,\-]$}, # strip off trailing , and - |
| 76 |
root |
1.15 |
); |
| 77 |
root |
1.14 |
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| 78 |
root |
1.6 |
sub on_sel_extend { |
| 79 |
root |
1.21 |
my ($self, $time) = @_; |
| 80 |
root |
1.8 |
|
| 81 |
root |
1.37 |
$self->{enabled} |
| 82 |
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or return; |
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| 84 |
root |
1.8 |
my ($row, $col) = $self->selection_mark; |
| 85 |
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my $line = $self->line ($row); |
| 86 |
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my $text = $line->t; |
| 87 |
root |
1.20 |
my $markofs = $line->offset_of ($row, $col); |
| 88 |
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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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| 91 |
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my @matches; |
| 92 |
root |
1.8 |
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| 93 |
root |
1.32 |
if ($markofs < $line->l) { |
| 94 |
root |
1.41 |
# convert markofs from character to UTF-8 offset space |
| 95 |
root |
1.32 |
{ |
| 96 |
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my $prefix = substr $text, 0, $markofs; |
| 97 |
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utf8::encode $prefix; |
| 98 |
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$markofs = length $prefix; |
| 99 |
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} |
| 100 |
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| 101 |
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# not doing matches in unicode mode helps speed |
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# enourmously here. working in utf-8 should be |
| 103 |
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# equivalent due to the magic of utf-8 encoding. |
| 104 |
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utf8::encode $text; |
| 105 |
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study $text; # _really_ helps, too :) |
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| 107 |
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for my $regex (@mark_patterns, @{ $self->{patterns} }) { |
| 108 |
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while ($text =~ /$regex/g) { |
| 109 |
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if ($-[1] <= $markofs and $markofs <= $+[1]) { |
| 110 |
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my $ofs = $-[1]; |
| 111 |
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my $match = $1; |
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| 113 |
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for my $regex (@simplify_patterns) { |
| 114 |
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if ($match =~ $regex) { |
| 115 |
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$match = $1; |
| 116 |
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$ofs += $-[1]; |
| 117 |
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} |
| 118 |
root |
1.15 |
} |
| 119 |
root |
1.32 |
|
| 120 |
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push @matches, [$ofs, length $match]; |
| 121 |
root |
1.15 |
} |
| 122 |
root |
1.8 |
} |
| 123 |
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} |
| 124 |
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} |
| 125 |
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| 126 |
root |
1.21 |
# whole line |
| 127 |
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push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol]; |
| 128 |
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| 129 |
root |
1.20 |
for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
| 130 |
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my ($ofs, $len) = @$_; |
| 131 |
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| 132 |
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next if $len <= $curlen; |
| 133 |
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| 134 |
root |
1.32 |
# convert back from UTF-8 offset space to character space |
| 135 |
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{ |
| 136 |
root |
1.33 |
my $length = substr "$text ", $ofs, $len; |
| 137 |
root |
1.32 |
utf8::decode $length; |
| 138 |
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$len = length $length; |
| 139 |
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} |
| 140 |
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{ |
| 141 |
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my $prefix = substr $text, 0, $ofs; |
| 142 |
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utf8::decode $prefix; |
| 143 |
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$ofs = length $prefix; |
| 144 |
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} |
| 145 |
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| 146 |
root |
1.20 |
$self->selection_beg ($line->coord_of ($ofs)); |
| 147 |
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$self->selection_end ($line->coord_of ($ofs + $len)); |
| 148 |
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return 1; |
| 149 |
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} |
| 150 |
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| 151 |
root |
1.21 |
() |
| 152 |
root |
1.5 |
} |
