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/cvs/rxvt-unicode/src/perl/selection
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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.22 by root, Thu Jan 12 10:21:50 2006 UTC vs.
Revision 1.51 by root, Sat Dec 26 09:42:16 2009 UTC

1#! perl 1#! perl
2 2
3sub on_keyboard_command { 3sub on_user_command {
4 my ($self, $cmd) = @_; 4 my ($self, $cmd) = @_;
5 5
6 $cmd eq "selection:rot13" 6 $cmd eq "selection:rot13"
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 if (defined (my $res = $self->resource ("cutchars"))) {
16 $res = $self->locale_decode ($res);
17 push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x;
18 }
19
20 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
21 $res = $self->locale_decode ($res);
22 utf8::encode $res;
23 push @{ $self->{patterns} }, qr/$res/;
24 }
25
26 $self->{enabled} = 1;
27
28 push @{ $self->{term}{option_popup_hook} }, sub {
29 ("new selection" => $self->{enabled}, sub { $self->{enabled} = shift })
30 };
31
32 ()
33}
34
12# "find interetsing things"-patterns 35# "find interesting things"-patterns
13my @mark_patterns = ( 36my @mark_patterns = (
14 qr{([[:word:]]+)}, 37# qr{ ([[:word:]]+) }x,
38 qr{ ([^[:space:]]+) }x,
15 39
16 # common "parentheses" 40 # common types of "parentheses"
17 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, 41 qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x,
18 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, 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
19 qr{ \{ ([^{}]+?) \} }x, 51 qr{ \{ ([^\{\}]+) \} }x,
20 qr{ \[ ([^{}]+?) \] }x,
21 qr{ \( ([^()]+?) \) }x, 52 qr{ \( ([^\(\)]+) \) }x,
53 qr{ \[ ([^\[\]]+) \] }x,
54 qr{ \< ([^\<\>]+) \> }x,
22 55
23 # urls, just a heuristic 56 # urls, just a heuristic
24 qr{( 57 qr{(
25 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 58 (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+
26 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 59 [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic)
27 )}x, 60 )}x,
28 61
29 # shell-like argument quoting, basically always matches 62 # shell-like argument quoting, basically always matches
30 qr{\G [\ \t|&;<>()] *( 63 qr{\G [\ \t|&;<>()]* (
31 (?: 64 (?:
32 [^\\"'\ \t|&;<>()]+ 65 [^\\"'\ \t|&;<>()]+
33 | \\. 66 | \\.
34 | " (?: [^\\"]+ | \\. )* " 67 | " (?: [^\\"]+ | \\. )* "
35 | ' [^']* ' 68 | ' [^']* '
… …
44); 77);
45 78
46sub on_sel_extend { 79sub on_sel_extend {
47 my ($self, $time) = @_; 80 my ($self, $time) = @_;
48 81
82 $self->{enabled}
83 or return;
84
49 my ($row, $col) = $self->selection_mark; 85 my ($row, $col) = $self->selection_mark;
50 my $line = $self->line ($row); 86 my $line = $self->line ($row);
51 my $text = $line->t; 87 my $text = $line->t;
52 my $markofs = $line->offset_of ($row, $col); 88 my $markofs = $line->offset_of ($row, $col);
53 my $curlen = $line->offset_of ($self->selection_end) 89 my $curlen = $line->offset_of ($self->selection_end)
54 - $line->offset_of ($self->selection_beg); 90 - $line->offset_of ($self->selection_beg);
55 91
56 my @matches; 92 my @matches;
57 93
58 for my $regex (@mark_patterns) { 94 if ($markofs < $line->l) {
59 while ($text =~ /$regex/g) { 95 # convert markofs from character to UTF-8 offset space
60 if ($-[1] <= $markofs and $markofs <= $+[1]) { 96 {
61 my $ofs = $-[1]; 97 my $prefix = substr $text, 0, $markofs;
62 my $match = $1; 98 utf8::encode $prefix;
99 $markofs = length $prefix;
100 }
63 101
64 push @matches, [$ofs, length $match]; 102 # not doing matches in unicode mode helps speed
103 # enourmously here. working in utf-8 should be
104 # equivalent due to the magic of utf-8 encoding.
105 utf8::encode $text;
106 study $text; # _really_ helps, too :)
65 107
108 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
109 while ($text =~ /$regex/g) {
110 if ($-[1] <= $markofs and $markofs <= $+[1]) {
111 my $ofs = $-[1];
112 my $match = $1;
113
66 for my $regex (@simplify_patterns) { 114 for my $regex (@simplify_patterns) {
67 if ($match =~ $regex) { 115 if ($match =~ $regex) {
68 $match = $1; 116 $match = $1;
69 $ofs += $-[1]; 117 $ofs += $-[1];
118 }
70 } 119 }
120
121 push @matches, [$ofs, length $match];
71 } 122 }
72
73 push @matches, [$ofs, length $match];
74 } 123 }
75 } 124 }
76 } 125 }
77 126
78 # whole line 127 # whole line
… …
81 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 130 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
82 my ($ofs, $len) = @$_; 131 my ($ofs, $len) = @$_;
83 132
84 next if $len <= $curlen; 133 next if $len <= $curlen;
85 134
135 # convert back from UTF-8 offset space to character space
136 {
137 my $length = substr "$text ", $ofs, $len;
138 utf8::decode $length;
139 $len = length $length;
140 }
141 {
142 my $prefix = substr $text, 0, $ofs;
143 utf8::decode $prefix;
144 $ofs = length $prefix;
145 }
146
86 $self->selection_beg ($line->coord_of ($ofs)); 147 $self->selection_beg ($line->coord_of ($ofs));
87 $self->selection_end ($line->coord_of ($ofs + $len)); 148 $self->selection_end ($line->coord_of ($ofs + $len));
88 return 1; 149 return 1;
89 } 150 }
90 151

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