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7 | and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection); |
7 | and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection); |
8 | |
8 | |
9 | () |
9 | () |
10 | } |
10 | } |
11 | |
11 | |
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12 | sub on_init { |
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13 | my ($self) = @_; |
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14 | |
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15 | for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { |
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16 | no re 'eval'; # just to be sure |
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17 | push @{ $self->{patterns} }, qr/$res/; |
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18 | } |
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19 | |
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20 | () |
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21 | } |
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22 | |
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23 | # "find interetsing things"-patterns |
12 | my @mark_patterns = ( |
24 | my @mark_patterns = ( |
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25 | # common types of "parentheses" |
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26 | qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x, |
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27 | qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x, |
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28 | qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, |
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29 | qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x, |
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30 | qr{ \< ([^<>[:space:]]+) \> }x, |
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31 | qr{ \{ ([^{}[:space:]]+) \} }x, |
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32 | qr{ \[ ([^{}[:space:]]+) \] }x, |
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33 | qr{ \( ([^()[:space:]]+) \) }x, |
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34 | |
13 | # urls, just a heuristic |
35 | # urls, just a heuristic |
14 | qr{( |
36 | qr{( |
15 | (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ |
37 | (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ |
16 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27(),~] # do not include a trailing dot, its wrong too often |
38 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) |
17 | )}x, |
39 | )}x, |
18 | |
40 | |
19 | # common forms of quoting |
41 | # shell-like argument quoting, basically always matches |
20 | qr{(?:^|\s) [‘`] ([^‘`’']+) [’'] (?:\s|$)}x, |
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21 | |
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22 | # shell-like argument quoting |
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23 | qr{\G [\ \t|&;<>()] *( |
42 | qr{\G [\ \t|&;<>()] *( |
24 | (?: |
43 | (?: |
25 | [^\\"'\ \t|&;<>()]+ |
44 | [^\\"'\ \t|&;<>()]+ |
26 | | \\. |
45 | | \\. |
27 | | " (?: [^\\"]+ | \\. )* " |
46 | | " (?: [^\\"]+ | \\. )* " |
28 | | ' [^']* ' |
47 | | ' [^']* ' |
29 | )+ |
48 | )+ |
30 | )}x, |
49 | )}x, |
31 | ); |
50 | ); |
32 | |
51 | |
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52 | # "correct obvious? crap"-patterns |
33 | my @simplify_patterns = ( |
53 | my @simplify_patterns = ( |
34 | qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple |
54 | qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple |
35 | qr{^(.*)[,\-]$}, |
55 | qr{^(.*)[,\-]$}, # strip off trailing , and - |
36 | ); |
56 | ); |
37 | |
57 | |
38 | sub on_sel_extend { |
58 | sub on_sel_extend { |
39 | my ($self) = @_; |
59 | my ($self, $time) = @_; |
40 | |
60 | |
41 | my ($row, $col) = $self->selection_mark; |
61 | my ($row, $col) = $self->selection_mark; |
42 | my $line = $self->line ($row); |
62 | my $line = $self->line ($row); |
43 | my $offset = $line->offset_of ($row, $col); |
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44 | my $text = $line->t; |
63 | my $text = $line->t; |
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64 | my $markofs = $line->offset_of ($row, $col); |
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65 | my $curlen = $line->offset_of ($self->selection_end) |
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66 | - $line->offset_of ($self->selection_beg); |
45 | |
67 | |
46 | for my $regex (@mark_patterns) { |
68 | my @matches; |
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69 | |
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70 | for my $regex (@mark_patterns, @{ $self->{patterns} }) { |
47 | while ($text =~ /$regex/g) { |
71 | while ($text =~ /$regex/g) { |
48 | if ($-[1] <= $offset and $offset <= $+[1]) { |
72 | if ($-[1] <= $markofs and $markofs <= $+[1]) { |
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73 | my $ofs = $-[1]; |
49 | my $match = $1; |
74 | my $match = $1; |
50 | my ($ofs1, $ofs2) = ($-[1], $+[1]); |
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51 | |
75 | |
52 | for my $regex (@simplify_patterns) { |
76 | for my $regex (@simplify_patterns) { |
53 | if ($match =~ $regex) { |
77 | if ($match =~ $regex) { |
54 | $match = $1; |
78 | $match = $1; |
55 | $ofs1 += $-[1]; |
79 | $ofs += $-[1]; |
56 | $ofs2 = $ofs1 + length $match; |
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57 | } |
80 | } |
58 | } |
81 | } |
59 | |
82 | |
60 | $self->selection_beg ($line->coord_of ($ofs1)); |
83 | push @matches, [$ofs, length $match]; |
61 | $self->selection_end ($line->coord_of ($ofs2)); |
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62 | return 1; |
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63 | } |
84 | } |
64 | } |
85 | } |
65 | } |
86 | } |
66 | |
87 | |
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88 | # whole line |
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89 | push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol]; |
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90 | |
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91 | for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
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92 | my ($ofs, $len) = @$_; |
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93 | |
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94 | next if $len <= $curlen; |
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95 | |
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96 | $self->selection_beg ($line->coord_of ($ofs)); |
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97 | $self->selection_end ($line->coord_of ($ofs + $len)); |
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98 | return 1; |
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99 | } |
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100 | |
67 | () |
101 | () |
68 | } |
102 | } |