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/cvs/rxvt-unicode/src/perl/selection
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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 1.54 by root, Wed Jun 6 15:06:41 2012 UTC

1#! perl 1#! perl
2 2
3#:META:X_RESOURCE:%.pattern-0:string:first selection pattern
4
3sub on_keyboard_command { 5sub on_user_command {
4 my ($self, $cmd) = @_; 6 my ($self, $cmd) = @_;
5 7
6 $cmd eq "selection:rot13" 8 $cmd eq "selection:rot13"
7 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection); 9 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection);
8 10
9 () 11 ()
10} 12}
11 13
14sub on_init {
15 my ($self) = @_;
16
17 if (defined (my $res = $self->resource ("cutchars"))) {
18 $res = $self->locale_decode ($res);
19 push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x;
20 }
21
22 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
23 $res = $self->locale_decode ($res);
24 push @{ $self->{patterns} }, qr/$res/;
25 }
26
27 $self->{enabled} = 1;
28
29 push @{ $self->{term}{option_popup_hook} }, sub {
30 ("new selection" => $self->{enabled}, sub { $self->{enabled} = shift })
31 };
32
33 ()
34}
35
12# "find interetsing things"-patterns 36# "find interesting things"-patterns
13my @mark_patterns = ( 37my @mark_patterns = (
38# qr{ ([[:word:]]+) }x,
14 qr{([[:alnum:]]+)}, 39 qr{ ([^[:space:]]+) }x,
15 40
16 # common "parentheses" 41 # common types of "parentheses"
17 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, 42 qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x,
18 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, 43 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x,
44 qr{ (?<![^[:space:]]) “ ([^“”]+) ” (?![^[:space:]]) }x,
45
46 qr{ (?<![^[:space:]]) (' [^[:space:]] [^']* ') }x,
47 qr{ (' [^']* [^[:space:]] ') (?![^[:space:]]) }x,
48 qr{ (?<![^[:space:]]) (` [^[:space:]] [^']* ') }x,
49 qr{ (` [^']* [^[:space:]] ') (?![^[:space:]]) }x,
50 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
51 qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x,
52
19 qr{ \{ ([^{}]+?) \} }x, 53 qr{ \{ ([^\{\}]+) \} }x,
54 qr{ \( ([^\(\)]+) \) }x,
20 qr{ \[ ([^{}]+?) \] }x, 55 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 | ' [^']* '
41 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple 77 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 qr{^(.*)[,\-]$}, # strip off trailing , and - 78 qr{^(.*)[,\-]$}, # strip off trailing , and -
43); 79);
44 80
45sub on_sel_extend { 81sub on_sel_extend {
46 my ($self) = @_; 82 my ($self, $time) = @_;
83
84 $self->{enabled}
85 or return;
47 86
48 my ($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 study $text; # _really_ helps, too :)
59 if ($-[1] <= $markofs and $markofs <= $+[1]) {
60 my $ofs = $-[1];
61 my $match = $1;
62 98
63 push @matches, [$ofs, length $match]; 99 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
100 while ($text =~ /$regex/g) {
101 if ($-[1] <= $markofs and $markofs <= $+[1]) {
102 my $ofs = $-[1];
103 my $match = $1;
64 104
65 for my $regex (@simplify_patterns) { 105 for my $regex (@simplify_patterns) {
66 if ($match =~ $regex) { 106 if ($match =~ $regex) {
67 $match = $1; 107 $match = $1;
68 $ofs += $-[1]; 108 $ofs += $-[1];
109 }
69 } 110 }
111
112 push @matches, [$ofs, length $match];
70 } 113 }
71
72 push @matches, [$ofs, length $match];
73 } 114 }
74 } 115 }
75 } 116 }
117
118 # whole line
119 push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
76 120
77 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 121 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
78 my ($ofs, $len) = @$_; 122 my ($ofs, $len) = @$_;
79 123
80 next if $len <= $curlen; 124 next if $len <= $curlen;
82 $self->selection_beg ($line->coord_of ($ofs)); 126 $self->selection_beg ($line->coord_of ($ofs));
83 $self->selection_end ($line->coord_of ($ofs + $len)); 127 $self->selection_end ($line->coord_of ($ofs + $len));
84 return 1; 128 return 1;
85 } 129 }
86 130
87 # whole line 131 ()
88 $self->selection_beg ($line->beg, 0);
89 $self->selection_end ($line->end, $self->ncol);
90
91 return 1;
92} 132}

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