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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.20 by root, Thu Jan 12 03:32:56 2006 UTC vs.
Revision 1.53 by sf-exg, Sun Mar 13 17:07:36 2011 UTC

1#! perl 1#! perl
2 2
3sub on_keyboard_command { 3sub 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/; $_ } $self->selection);
8 8
9 () 9 ()
10} 10}
11 11
12sub on_init {
13 my ($self) = @_;
14
15 if (defined (my $res = $self->resource ("cutchars"))) {
16 $res = $self->locale_decode ($res);
17 push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x;
18 }
19
20 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
21 $res = $self->locale_decode ($res);
22 push @{ $self->{patterns} }, qr/$res/;
23 }
24
25 $self->{enabled} = 1;
26
27 push @{ $self->{term}{option_popup_hook} }, sub {
28 ("new selection" => $self->{enabled}, sub { $self->{enabled} = shift })
29 };
30
31 ()
32}
33
12# "find interetsing things"-patterns 34# "find interesting things"-patterns
13my @mark_patterns = ( 35my @mark_patterns = (
36# qr{ ([[:word:]]+) }x,
14 qr{([[:alnum:]]+)}, 37 qr{ ([^[:space:]]+) }x,
15 38
16 # common "parentheses" 39 # common types of "parentheses"
17 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, 40 qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x,
18 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, 41 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x,
42 qr{ (?<![^[:space:]]) “ ([^“”]+) ” (?![^[:space:]]) }x,
43
44 qr{ (?<![^[:space:]]) (' [^[:space:]] [^']* ') }x,
45 qr{ (' [^']* [^[:space:]] ') (?![^[:space:]]) }x,
46 qr{ (?<![^[:space:]]) (` [^[:space:]] [^']* ') }x,
47 qr{ (` [^']* [^[:space:]] ') (?![^[:space:]]) }x,
48 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
49 qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x,
50
19 qr{ \{ ([^{}]+?) \} }x, 51 qr{ \{ ([^\{\}]+) \} }x,
52 qr{ \( ([^\(\)]+) \) }x,
20 qr{ \[ ([^{}]+?) \] }x, 53 qr{ \[ ([^\[\]]+) \] }x,
54 qr{ \< ([^\<\>]+) \> }x,
21 55
22 # urls, just a heuristic 56 # urls, just a heuristic
23 qr{( 57 qr{(
24 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 58 (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+
25 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 59 [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic)
26 )}x, 60 )}x,
27 61
28 # shell-like argument quoting, basically always matches 62 # shell-like argument quoting, basically always matches
29 qr{\G [\ \t|&;<>()] *( 63 qr{\G [\ \t|&;<>()]* (
30 (?: 64 (?:
31 [^\\"'\ \t|&;<>()]+ 65 [^\\"'\ \t|&;<>()]+
32 | \\. 66 | \\.
33 | " (?: [^\\"]+ | \\. )* " 67 | " (?: [^\\"]+ | \\. )* "
34 | ' [^']* ' 68 | ' [^']* '
41 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple 75 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 qr{^(.*)[,\-]$}, # strip off trailing , and - 76 qr{^(.*)[,\-]$}, # strip off trailing , and -
43); 77);
44 78
45sub on_sel_extend { 79sub on_sel_extend {
46 my ($self) = @_; 80 my ($self, $time) = @_;
81
82 $self->{enabled}
83 or return;
47 84
48 my ($row, $col) = $self->selection_mark; 85 my ($row, $col) = $self->selection_mark;
49 my $line = $self->line ($row); 86 my $line = $self->line ($row);
50 my $text = $line->t; 87 my $text = $line->t;
51 my $markofs = $line->offset_of ($row, $col); 88 my $markofs = $line->offset_of ($row, $col);
52 my $curlen = $line->offset_of ($self->selection_end) 89 my $curlen = $line->offset_of ($self->selection_end)
53 - $line->offset_of ($self->selection_beg); 90 - $line->offset_of ($self->selection_beg);
54 91
55 my @matches; 92 my @matches;
56 93
57 for my $regex (@mark_patterns) { 94 if ($markofs < $line->l) {
58 while ($text =~ /$regex/g) { 95 study $text; # _really_ helps, too :)
59 if ($-[1] <= $markofs and $markofs <= $+[1]) {
60 my $ofs = $-[1];
61 my $match = $1;
62 96
63 push @matches, [$ofs, length $match]; 97 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
98 while ($text =~ /$regex/g) {
99 if ($-[1] <= $markofs and $markofs <= $+[1]) {
100 my $ofs = $-[1];
101 my $match = $1;
64 102
65 for my $regex (@simplify_patterns) { 103 for my $regex (@simplify_patterns) {
66 if ($match =~ $regex) { 104 if ($match =~ $regex) {
67 $match = $1; 105 $match = $1;
68 $ofs += $-[1]; 106 $ofs += $-[1];
107 }
69 } 108 }
109
110 push @matches, [$ofs, length $match];
70 } 111 }
71
72 push @matches, [$ofs, length $match];
73 } 112 }
74 } 113 }
75 } 114 }
115
116 # whole line
117 push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
76 118
77 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 119 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
78 my ($ofs, $len) = @$_; 120 my ($ofs, $len) = @$_;
79 121
80 next if $len <= $curlen; 122 next if $len <= $curlen;
82 $self->selection_beg ($line->coord_of ($ofs)); 124 $self->selection_beg ($line->coord_of ($ofs));
83 $self->selection_end ($line->coord_of ($ofs + $len)); 125 $self->selection_end ($line->coord_of ($ofs + $len));
84 return 1; 126 return 1;
85 } 127 }
86 128
87 # whole line 129 ()
88 $self->selection_beg ($line->beg, 0);
89 $self->selection_end ($line->end, $self->ncol);
90
91 return 1;
92} 130}

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