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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.8 by root, Tue Jan 3 20:47:36 2006 UTC vs.
Revision 1.26 by root, Sun Jan 15 05:14:12 2006 UTC

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 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
16 no re 'eval'; # just to be sure
17 $res = utf8::encode $self->locale_decode ($res);
18 push @{ $self->{patterns} }, qr/$res/;
19 }
20
21 ()
22}
23
24# "find interetsing things"-patterns
12my @patterns = ( 25my @mark_patterns = (
13 # urls 26 # common types of "parentheses"
14 qr{ ([a-z0-9.+\-]+://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),]+) }x, 27 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x,
28 qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x,
29 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
30 qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x,
31 qr{ \< ([^<>[:space:]]+) \> }x,
32 qr{ \{ ([^{}[:space:]]+) \} }x,
33 qr{ \[ ([^{}[:space:]]+) \] }x,
34 qr{ \( ([^()[:space:]]+) \) }x,
35
36 # urls, just a heuristic
37 qr{(
38 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
39 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
40 )}x,
41
42 # shell-like argument quoting, basically always matches
43 qr{\G [\ \t|&;<>()] *(
44 (?:
45 [^\\"'\ \t|&;<>()]+
46 | \\.
47 | " (?: [^\\"]+ | \\. )* "
48 | ' [^']* '
49 )+
50 )}x,
51);
52
53# "correct obvious? crap"-patterns
54my @simplify_patterns = (
55 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
56 qr{^(.*)[,\-]$}, # strip off trailing , and -
15); 57);
16 58
17sub on_sel_extend { 59sub on_sel_extend {
18 my ($self) = @_; 60 my ($self, $time) = @_;
19 61
20 my ($row, $col) = $self->selection_mark; 62 my ($row, $col) = $self->selection_mark;
21 my $line = $self->line ($row); 63 my $line = $self->line ($row);
22 my $offset = $line->offset_of ($row, $col);
23 my $text = $line->t; 64 my $text = $line->t;
65 my $markofs = $line->offset_of ($row, $col);
66 my $curlen = $line->offset_of ($self->selection_end)
67 - $line->offset_of ($self->selection_beg);
24 68
25 for my $regex (@patterns) { 69 my @matches;
70
71 # not doing matches in unicode mode helps speed
72 # enourmously here. working in utf-8 should be
73 # equivalent due to the magic of utf-8 encoding.
74 utf8::encode $text;
75 study $text; # _really_ helps, too :)
76
77 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
26 while ($text =~ /$regex/g) { 78 while ($text =~ /$regex/g) {
27 if ($-[0] <= $offset and $offset <= $+[0]) { 79 if ($-[1] <= $markofs and $markofs <= $+[1]) {
28 $self->selection_beg ($line->coord_of ($-[0])); 80 my $ofs = $-[1];
29 $self->selection_end ($line->coord_of ($+[0])); 81 my $match = $1;
30 return 1; 82
83 for my $regex (@simplify_patterns) {
84 if ($match =~ $regex) {
85 $match = $1;
86 $ofs += $-[1];
87 }
88 }
89
90 push @matches, [$ofs, length $match];
31 } 91 }
32 } 92 }
33 } 93 }
34 94
95 # whole line
96 push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
97
98 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
99 my ($ofs, $len) = @$_;
100
101 next if $len <= $curlen;
102
103 $self->selection_beg ($line->coord_of ($ofs));
104 $self->selection_end ($line->coord_of ($ofs + $len));
105 return 1;
106 }
107
35 () 108 ()
36} 109}

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