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/cvs/rxvt-unicode/src/perl/selection
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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.3 by elmex, Mon Jan 2 21:36:03 2006 UTC vs.
Revision 1.20 by root, Thu Jan 12 03:32:56 2006 UTC

1#! perl
2
1sub on_keyboard_command { 3sub on_keyboard_command {
2 my ($term, $cmd) = @_; 4 my ($self, $cmd) = @_;
3 5
4 $cmd eq "selection:rot13" 6 $cmd eq "selection:rot13"
5 and $term->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $term->selection); 7 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection);
6 8
7 () 9 ()
8} 10}
11
12# "find interetsing things"-patterns
13my @mark_patterns = (
14 qr{([[:alnum:]]+)},
15
16 # common "parentheses"
17 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x,
18 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x,
19 qr{ \{ ([^{}]+?) \} }x,
20 qr{ \[ ([^{}]+?) \] }x,
21
22 # urls, just a heuristic
23 qr{(
24 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
25 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
26 )}x,
27
28 # shell-like argument quoting, basically always matches
29 qr{\G [\ \t|&;<>()] *(
30 (?:
31 [^\\"'\ \t|&;<>()]+
32 | \\.
33 | " (?: [^\\"]+ | \\. )* "
34 | ' [^']* '
35 )+
36 )}x,
37);
38
39# "correct obvious? crap"-patterns
40my @simplify_patterns = (
41 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 qr{^(.*)[,\-]$}, # strip off trailing , and -
43);
44
45sub on_sel_extend {
46 my ($self) = @_;
47
48 my ($row, $col) = $self->selection_mark;
49 my $line = $self->line ($row);
50 my $text = $line->t;
51 my $markofs = $line->offset_of ($row, $col);
52 my $curlen = $line->offset_of ($self->selection_end)
53 - $line->offset_of ($self->selection_beg);
54
55 my @matches;
56
57 for my $regex (@mark_patterns) {
58 while ($text =~ /$regex/g) {
59 if ($-[1] <= $markofs and $markofs <= $+[1]) {
60 my $ofs = $-[1];
61 my $match = $1;
62
63 push @matches, [$ofs, length $match];
64
65 for my $regex (@simplify_patterns) {
66 if ($match =~ $regex) {
67 $match = $1;
68 $ofs += $-[1];
69 }
70 }
71
72 push @matches, [$ofs, length $match];
73 }
74 }
75 }
76
77 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
78 my ($ofs, $len) = @$_;
79
80 next if $len <= $curlen;
81
82 $self->selection_beg ($line->coord_of ($ofs));
83 $self->selection_end ($line->coord_of ($ofs + $len));
84 return 1;
85 }
86
87 # whole line
88 $self->selection_beg ($line->beg, 0);
89 $self->selection_end ($line->end, $self->ncol);
90
91 return 1;
92}

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