ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/perl/selection
Revision: 1.20
Committed: Thu Jan 12 03:32:56 2006 UTC (18 years, 4 months ago) by root
Branch: MAIN
Changes since 1.19: +31 -11 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.4 #! perl
2    
3 elmex 1.1 sub on_keyboard_command {
4 root 1.7 my ($self, $cmd) = @_;
5 elmex 1.2
6     $cmd eq "selection:rot13"
7 root 1.7 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection);
8 elmex 1.3
9     ()
10 elmex 1.1 }
11 root 1.5
12 root 1.16 # "find interetsing things"-patterns
13 root 1.15 my @mark_patterns = (
14 root 1.20 qr{([[:alnum:]]+)},
15 root 1.9
16 root 1.17 # common "parentheses"
17 root 1.18 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x,
18     qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x,
19     qr{ \{ ([^{}]+?) \} }x,
20     qr{ \[ ([^{}]+?) \] }x,
21 root 1.14
22 root 1.20 # 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 root 1.17 # shell-like argument quoting, basically always matches
29 root 1.11 qr{\G [\ \t|&;<>()] *(
30 root 1.9 (?:
31 root 1.11 [^\\"'\ \t|&;<>()]+
32 root 1.9 | \\.
33 root 1.13 | " (?: [^\\"]+ | \\. )* "
34 root 1.9 | ' [^']* '
35     )+
36 root 1.14 )}x,
37 root 1.8 );
38    
39 root 1.16 # "correct obvious? crap"-patterns
40 root 1.15 my @simplify_patterns = (
41     qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 root 1.16 qr{^(.*)[,\-]$}, # strip off trailing , and -
43 root 1.15 );
44 root 1.14
45 root 1.6 sub on_sel_extend {
46 root 1.7 my ($self) = @_;
47 root 1.8
48     my ($row, $col) = $self->selection_mark;
49     my $line = $self->line ($row);
50     my $text = $line->t;
51 root 1.20 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 root 1.8
57 root 1.15 for my $regex (@mark_patterns) {
58 root 1.8 while ($text =~ /$regex/g) {
59 root 1.20 if ($-[1] <= $markofs and $markofs <= $+[1]) {
60 root 1.16 my $ofs = $-[1];
61 root 1.15 my $match = $1;
62    
63 root 1.20 push @matches, [$ofs, length $match];
64    
65 root 1.15 for my $regex (@simplify_patterns) {
66     if ($match =~ $regex) {
67     $match = $1;
68 root 1.16 $ofs += $-[1];
69 root 1.15 }
70     }
71    
72 root 1.20 push @matches, [$ofs, length $match];
73 root 1.8 }
74     }
75     }
76    
77 root 1.20 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 root 1.5 }