1 | #! perl |
1 | #! perl |
2 | |
2 | |
3 | sub on_keyboard_command { |
3 | sub on_user_command { |
4 | my ($self, $cmd) = @_; |
4 | my ($self, $cmd) = @_; |
5 | |
5 | |
6 | $cmd eq "selection:rot13" |
6 | $cmd eq "selection:rot13" |
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 | if (defined (my $res = $self->resource ("cutchars"))) { |
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16 | $res = $self->locale_decode ($res); |
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17 | push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x; |
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18 | } |
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19 | |
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20 | for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { |
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21 | $res = $self->locale_decode ($res); |
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22 | utf8::encode $res; |
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23 | push @{ $self->{patterns} }, qr/$res/; |
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24 | } |
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25 | |
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26 | $self->{enabled} = 1; |
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27 | |
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28 | push @{ $self->{term}{option_popup_hook} }, sub { |
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29 | ("new selection" => $self->{enabled}, sub { $self->{enabled} = shift }) |
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30 | }; |
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31 | |
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32 | () |
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33 | } |
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34 | |
12 | # "find interetsing things"-patterns |
35 | # "find interesting things"-patterns |
13 | my @mark_patterns = ( |
36 | my @mark_patterns = ( |
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37 | qr{ ([[:word:]]+) }x, |
14 | qr{([[:alnum:]]+)}, |
38 | qr{ ([^[:space:]]+) }x, |
15 | |
39 | |
16 | # common "parentheses" |
40 | # common types of "parentheses" |
17 | qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, |
41 | qr{ (?<![^[:space:]]) ` ([^‘’]+) ` (?![^[:space:]]) }x, |
18 | qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, |
42 | qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x, |
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43 | qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space:]]) }x, |
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44 | |
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45 | qr{ (?<![^[:space:]]) ‘ ([^`']+) ’ (?![^[:space:]]) }x, |
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46 | qr{ (?<![^[:space:]]) “ ([^`']+) ” (?![^[:space:]]) }x, |
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47 | |
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48 | qr{ (?<![^[:space:]]) (' [^[:space:]] [^']* ') }x, |
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49 | qr{ (' [^']* [^[:space:]] ') (?![^[:space:]]) }x, |
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50 | qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, |
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51 | qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x, |
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52 | |
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53 | qr{ \< ([^\>]+) \> }x, |
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54 | qr{ \( ([^\)]+) \) }x, |
19 | qr{ \{ ([^{}]+?) \} }x, |
55 | qr{ \{ ([^\}]+) \} }x, |
20 | qr{ \[ ([^{}]+?) \] }x, |
56 | qr{ \[ ([^\]]+) \] }x, |
21 | |
57 | |
22 | # urls, just a heuristic |
58 | # urls, just a heuristic |
23 | qr{( |
59 | qr{( |
24 | (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ |
60 | (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+ |
25 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) |
61 | [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic) |
26 | )}x, |
62 | )}x, |
27 | |
63 | |
28 | # shell-like argument quoting, basically always matches |
64 | # shell-like argument quoting, basically always matches |
29 | qr{\G [\ \t|&;<>()] *( |
65 | qr{\G [\ \t|&;<>()]* ( |
30 | (?: |
66 | (?: |
31 | [^\\"'\ \t|&;<>()]+ |
67 | [^\\"'\ \t|&;<>()]+ |
32 | | \\. |
68 | | \\. |
33 | | " (?: [^\\"]+ | \\. )* " |
69 | | " (?: [^\\"]+ | \\. )* " |
34 | | ' [^']* ' |
70 | | ' [^']* ' |
… | |
… | |
43 | ); |
79 | ); |
44 | |
80 | |
45 | sub on_sel_extend { |
81 | sub on_sel_extend { |
46 | my ($self, $time) = @_; |
82 | my ($self, $time) = @_; |
47 | |
83 | |
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84 | $self->{enabled} |
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85 | or return; |
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86 | |
48 | my ($row, $col) = $self->selection_mark; |
87 | my ($row, $col) = $self->selection_mark; |
49 | my $line = $self->line ($row); |
88 | my $line = $self->line ($row); |
50 | my $text = $line->t; |
89 | my $text = $line->t; |
51 | my $markofs = $line->offset_of ($row, $col); |
90 | my $markofs = $line->offset_of ($row, $col); |
52 | my $curlen = $line->offset_of ($self->selection_end) |
91 | my $curlen = $line->offset_of ($self->selection_end) |
53 | - $line->offset_of ($self->selection_beg); |
92 | - $line->offset_of ($self->selection_beg); |
54 | |
93 | |
55 | my @matches; |
94 | my @matches; |
56 | |
95 | |
57 | for my $regex (@mark_patterns) { |
96 | if ($markofs < $line->l) { |
58 | while ($text =~ /$regex/g) { |
97 | # convert markofs from character to UTF-8 offset space |
59 | if ($-[1] <= $markofs and $markofs <= $+[1]) { |
98 | { |
60 | my $ofs = $-[1]; |
99 | my $prefix = substr $text, 0, $markofs; |
61 | my $match = $1; |
100 | utf8::encode $prefix; |
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101 | $markofs = length $prefix; |
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102 | } |
62 | |
103 | |
63 | push @matches, [$ofs, length $match]; |
104 | # not doing matches in unicode mode helps speed |
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105 | # enourmously here. working in utf-8 should be |
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106 | # equivalent due to the magic of utf-8 encoding. |
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107 | utf8::encode $text; |
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108 | study $text; # _really_ helps, too :) |
64 | |
109 | |
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110 | for my $regex (@mark_patterns, @{ $self->{patterns} }) { |
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111 | while ($text =~ /$regex/g) { |
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112 | if ($-[1] <= $markofs and $markofs <= $+[1]) { |
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113 | my $ofs = $-[1]; |
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114 | my $match = $1; |
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115 | |
65 | for my $regex (@simplify_patterns) { |
116 | for my $regex (@simplify_patterns) { |
66 | if ($match =~ $regex) { |
117 | if ($match =~ $regex) { |
67 | $match = $1; |
118 | $match = $1; |
68 | $ofs += $-[1]; |
119 | $ofs += $-[1]; |
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120 | } |
69 | } |
121 | } |
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122 | |
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123 | push @matches, [$ofs, length $match]; |
70 | } |
124 | } |
71 | |
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72 | push @matches, [$ofs, length $match]; |
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73 | } |
125 | } |
74 | } |
126 | } |
75 | } |
127 | } |
76 | |
128 | |
77 | # whole line |
129 | # whole line |
… | |
… | |
80 | for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
132 | for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { |
81 | my ($ofs, $len) = @$_; |
133 | my ($ofs, $len) = @$_; |
82 | |
134 | |
83 | next if $len <= $curlen; |
135 | next if $len <= $curlen; |
84 | |
136 | |
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137 | # convert back from UTF-8 offset space to character space |
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138 | { |
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139 | my $length = substr "$text ", $ofs, $len; |
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140 | utf8::decode $length; |
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141 | $len = length $length; |
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142 | } |
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143 | { |
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144 | my $prefix = substr $text, 0, $ofs; |
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145 | utf8::decode $prefix; |
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146 | $ofs = length $prefix; |
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147 | } |
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148 | |
85 | $self->selection_beg ($line->coord_of ($ofs)); |
149 | $self->selection_beg ($line->coord_of ($ofs)); |
86 | $self->selection_end ($line->coord_of ($ofs + $len)); |
150 | $self->selection_end ($line->coord_of ($ofs + $len)); |
87 | return 1; |
151 | return 1; |
88 | } |
152 | } |
89 | |
153 | |