| 1 | #! perl |
1 | #! perl |
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2 | |
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3 | #:META:X_RESOURCE:%.pattern-0:string:first selection pattern |
| 2 | |
4 | |
| 3 | sub on_user_command { |
5 | sub on_user_command { |
| 4 | my ($self, $cmd) = @_; |
6 | my ($self, $cmd) = @_; |
| 5 | |
7 | |
| 6 | $cmd eq "selection:rot13" |
8 | $cmd eq "selection:rot13" |
| … | |
… | |
| 17 | push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x; |
19 | push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x; |
| 18 | } |
20 | } |
| 19 | |
21 | |
| 20 | for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { |
22 | for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { |
| 21 | $res = $self->locale_decode ($res); |
23 | $res = $self->locale_decode ($res); |
| 22 | utf8::encode $res; |
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| 23 | push @{ $self->{patterns} }, qr/$res/; |
24 | push @{ $self->{patterns} }, qr/$res/; |
| 24 | } |
25 | } |
| 25 | |
26 | |
| 26 | $self->{enabled} = 1; |
27 | $self->{enabled} = 1; |
| 27 | |
28 | |
| … | |
… | |
| 32 | () |
33 | () |
| 33 | } |
34 | } |
| 34 | |
35 | |
| 35 | # "find interesting things"-patterns |
36 | # "find interesting things"-patterns |
| 36 | my @mark_patterns = ( |
37 | my @mark_patterns = ( |
| 37 | qr{ ([[:word:]]+) }x, |
38 | # qr{ ([[:word:]]+) }x, |
| 38 | qr{ ([^[:space:]]+) }x, |
39 | qr{ ([^[:space:]]+) }x, |
| 39 | |
40 | |
| 40 | # common types of "parentheses" |
41 | # common types of "parentheses" |
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42 | qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x, |
| 41 | qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x, |
43 | qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x, |
| 42 | qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space:]]) }x, |
44 | qr{ (?<![^[:space:]]) “ ([^“”]+) ” (?![^[:space:]]) }x, |
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45 | |
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46 | qr{ (?<![^[:space:]]) (' [^[:space:]] [^']* ') }x, |
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47 | qr{ (' [^']* [^[:space:]] ') (?![^[:space:]]) }x, |
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48 | qr{ (?<![^[:space:]]) (` [^[:space:]] [^']* ') }x, |
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49 | qr{ (` [^']* [^[:space:]] ') (?![^[:space:]]) }x, |
| 43 | qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, |
50 | qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, |
| 44 | qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x, |
51 | qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x, |
| 45 | qr{ \< ([^<>[:space:]]+) \> }x, |
52 | |
| 46 | qr{ \{ ([^{}[:space:]]+) \} }x, |
53 | qr{ \{ ([^\{\}]+) \} }x, |
| 47 | qr{ \[ ([^{}[:space:]]+) \] }x, |
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| 48 | qr{ \( ([^()[:space:]]+) \) }x, |
54 | qr{ \( ([^\(\)]+) \) }x, |
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55 | qr{ \[ ([^\[\]]+) \] }x, |
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56 | qr{ \< ([^\<\>]+) \> }x, |
| 49 | |
57 | |
| 50 | # urls, just a heuristic |
58 | # urls, just a heuristic |
| 51 | qr{( |
59 | qr{( |
| 52 | (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+ |
60 | (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+ |
| 53 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic) |
61 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic) |
| … | |
… | |
| 84 | - $line->offset_of ($self->selection_beg); |
92 | - $line->offset_of ($self->selection_beg); |
| 85 | |
93 | |
| 86 | my @matches; |
94 | my @matches; |
| 87 | |
95 | |
| 88 | if ($markofs < $line->l) { |
96 | if ($markofs < $line->l) { |
| 89 | # convert markofs from character to UTF-8 offset space |
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| 90 | { |
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| 91 | my $prefix = substr $text, 0, $markofs; |
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| 92 | utf8::encode $prefix; |
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| 93 | $markofs = length $prefix; |
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| 94 | } |
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| 95 | |
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| 96 | # not doing matches in unicode mode helps speed |
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| 97 | # enourmously here. working in utf-8 should be |
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| 98 | # equivalent due to the magic of utf-8 encoding. |
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| 99 | utf8::encode $text; |
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| 100 | study $text; # _really_ helps, too :) |
97 | study $text; # _really_ helps, too :) |
| 101 | |
98 | |
| 102 | for my $regex (@mark_patterns, @{ $self->{patterns} }) { |
99 | for my $regex (@mark_patterns, @{ $self->{patterns} }) { |
| 103 | while ($text =~ /$regex/g) { |
100 | while ($text =~ /$regex/g) { |
| 104 | if ($-[1] <= $markofs and $markofs <= $+[1]) { |
101 | if ($-[1] <= $markofs and $markofs <= $+[1]) { |
| … | |
… | |
| 124 | for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
121 | for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
| 125 | my ($ofs, $len) = @$_; |
122 | my ($ofs, $len) = @$_; |
| 126 | |
123 | |
| 127 | next if $len <= $curlen; |
124 | next if $len <= $curlen; |
| 128 | |
125 | |
| 129 | # convert back from UTF-8 offset space to character space |
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| 130 | { |
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| 131 | my $length = substr "$text ", $ofs, $len; |
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| 132 | utf8::decode $length; |
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| 133 | $len = length $length; |
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| 134 | } |
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| 135 | { |
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| 136 | my $prefix = substr $text, 0, $ofs; |
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| 137 | utf8::decode $prefix; |
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| 138 | $ofs = length $prefix; |
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| 139 | } |
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| 140 | |
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| 141 | $self->selection_beg ($line->coord_of ($ofs)); |
126 | $self->selection_beg ($line->coord_of ($ofs)); |
| 142 | $self->selection_end ($line->coord_of ($ofs + $len)); |
127 | $self->selection_end ($line->coord_of ($ofs + $len)); |
| 143 | return 1; |
128 | return 1; |
| 144 | } |
129 | } |
| 145 | |
130 | |
