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/cvs/rxvt-unicode/src/perl/selection
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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.14 by root, Fri Jan 6 20:50:58 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
36# "find interesting things"-patterns
12my @patterns = ( 37my @mark_patterns = (
38# qr{ ([[:word:]]+) }x,
39 qr{ ([^[:space:]]+) }x,
40
41 # common types of "parentheses"
42 qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }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
53 qr{ \{ ([^\{\}]+) \} }x,
54 qr{ \( ([^\(\)]+) \) }x,
55 qr{ \[ ([^\[\]]+) \] }x,
56 qr{ \< ([^\<\>]+) \> }x,
57
13 # urls, just a heuristic 58 # urls, just a heuristic
14 qr{( 59 qr{(
15 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 60 (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+
16 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27(),~] # do not include a trailing dot, its wrong too often 61 [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic)
17 )}x, 62 )}x,
18 63
19 # common forms of quoting 64 # shell-like argument quoting, basically always matches
20 qr{(?:^|\s) [‘`] ([^‘`’']+) [’'] (?:\s|$)}x,
21
22 # shell-like argument quoting
23 qr{\G [\ \t|&;<>()] *( 65 qr{\G [\ \t|&;<>()]* (
24 (?: 66 (?:
25 [^\\"'\ \t|&;<>()]+ 67 [^\\"'\ \t|&;<>()]+
26 | \\. 68 | \\.
27 | " (?: [^\\"]+ | \\. )* " 69 | " (?: [^\\"]+ | \\. )* "
28 | ' [^']* ' 70 | ' [^']* '
29 )+ 71 )+
30 )}x, 72 )}x,
31); 73);
32 74
33my $x = "‘hallole’"; 75# "correct obvious? crap"-patterns
76my @simplify_patterns = (
77 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
78 qr{^(.*)[,\-]$}, # strip off trailing , and -
79);
34 80
35sub on_sel_extend { 81sub on_sel_extend {
36 my ($self) = @_; 82 my ($self, $time) = @_;
83
84 $self->{enabled}
85 or return;
37 86
38 my ($row, $col) = $self->selection_mark; 87 my ($row, $col) = $self->selection_mark;
39 my $line = $self->line ($row); 88 my $line = $self->line ($row);
40 my $offset = $line->offset_of ($row, $col);
41 my $text = $line->t; 89 my $text = $line->t;
90 my $markofs = $line->offset_of ($row, $col);
91 my $curlen = $line->offset_of ($self->selection_end)
92 - $line->offset_of ($self->selection_beg);
42 93
43 for my $regex (@patterns) { 94 my @matches;
95
96 if ($markofs < $line->l) {
97 study $text; # _really_ helps, too :)
98
99 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
44 while ($text =~ /$regex/g) { 100 while ($text =~ /$regex/g) {
45 if ($-[1] <= $offset and $offset <= $+[1]) { 101 if ($-[1] <= $markofs and $markofs <= $+[1]) {
46 $self->selection_beg ($line->coord_of ($-[1])); 102 my $ofs = $-[1];
47 $self->selection_end ($line->coord_of ($+[1])); 103 my $match = $1;
48 return 1; 104
105 for my $regex (@simplify_patterns) {
106 if ($match =~ $regex) {
107 $match = $1;
108 $ofs += $-[1];
109 }
110 }
111
112 push @matches, [$ofs, length $match];
113 }
49 } 114 }
50 } 115 }
51 } 116 }
52 117
118 # whole line
119 push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
120
121 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
122 my ($ofs, $len) = @$_;
123
124 next if $len <= $curlen;
125
126 $self->selection_beg ($line->coord_of ($ofs));
127 $self->selection_end ($line->coord_of ($ofs + $len));
128 return 1;
129 }
130
53 () 131 ()
54} 132}

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