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/cvs/rxvt-unicode/src/perl/selection
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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.23 by root, Thu Jan 12 12:05:28 2006 UTC vs.
Revision 1.50 by root, Sat Jan 12 22:13:47 2008 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/; $_ } $self->selection);
8 8
… …
10} 10}
11 11
12sub on_init { 12sub on_init {
13 my ($self) = @_; 13 my ($self) = @_;
14 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
15 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { 20 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
16 no re 'eval'; # just to be sure 21 $res = $self->locale_decode ($res);
22 utf8::encode $res;
17 push @{ $self->{patterns} }, qr/$res/; 23 push @{ $self->{patterns} }, qr/$res/;
18 } 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 };
19 31
20 () 32 ()
21} 33}
22 34
23# "find interetsing things"-patterns 35# "find interesting things"-patterns
24my @mark_patterns = ( 36my @mark_patterns = (
25 qr{([[:word:]]+)}, 37# qr{ ([[:word:]]+) }x,
38 qr{ ([^[:space:]]+) }x,
26 39
27 # common "parentheses" 40 # common types of "parentheses"
28 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, 41 qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x,
29 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, 42 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x,
43 qr{ (?<![^[:space:]]) “ ([^“”]+) ” (?![^[:space:]]) }x,
44
45 qr{ (?<![^[:space:]]) (' [^[:space:]] [^']* ') }x,
46 qr{ (' [^']* [^[:space:]] ') (?![^[:space:]]) }x,
47 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
48 qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x,
49
30 qr{ \{ ([^{}]+?) \} }x, 50 qr{ \{ ([^\{\}]+) \} }x,
31 qr{ \[ ([^{}]+?) \] }x,
32 qr{ \( ([^()]+?) \) }x, 51 qr{ \( ([^\(\)]+) \) }x,
52 qr{ \[ ([^\[\]]+) \] }x,
53 qr{ \< ([^\<\>]+) \> }x,
33 54
34 # urls, just a heuristic 55 # urls, just a heuristic
35 qr{( 56 qr{(
36 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 57 (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+
37 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 58 [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic)
38 )}x, 59 )}x,
39 60
40 # shell-like argument quoting, basically always matches 61 # shell-like argument quoting, basically always matches
41 qr{\G [\ \t|&;<>()] *( 62 qr{\G [\ \t|&;<>()]* (
42 (?: 63 (?:
43 [^\\"'\ \t|&;<>()]+ 64 [^\\"'\ \t|&;<>()]+
44 | \\. 65 | \\.
45 | " (?: [^\\"]+ | \\. )* " 66 | " (?: [^\\"]+ | \\. )* "
46 | ' [^']* ' 67 | ' [^']* '
… …
55); 76);
56 77
57sub on_sel_extend { 78sub on_sel_extend {
58 my ($self, $time) = @_; 79 my ($self, $time) = @_;
59 80
81 $self->{enabled}
82 or return;
83
60 my ($row, $col) = $self->selection_mark; 84 my ($row, $col) = $self->selection_mark;
61 my $line = $self->line ($row); 85 my $line = $self->line ($row);
62 my $text = $line->t; 86 my $text = $line->t;
63 my $markofs = $line->offset_of ($row, $col); 87 my $markofs = $line->offset_of ($row, $col);
64 my $curlen = $line->offset_of ($self->selection_end) 88 my $curlen = $line->offset_of ($self->selection_end)
65 - $line->offset_of ($self->selection_beg); 89 - $line->offset_of ($self->selection_beg);
66 90
67 my @matches; 91 my @matches;
68 92
69 for my $regex (@mark_patterns, @{ $self->{patterns} }) { 93 if ($markofs < $line->l) {
70 while ($text =~ /$regex/g) { 94 # convert markofs from character to UTF-8 offset space
71 if ($-[1] <= $markofs and $markofs <= $+[1]) { 95 {
72 my $ofs = $-[1]; 96 my $prefix = substr $text, 0, $markofs;
73 my $match = $1; 97 utf8::encode $prefix;
98 $markofs = length $prefix;
99 }
74 100
75 push @matches, [$ofs, length $match]; 101 # not doing matches in unicode mode helps speed
102 # enourmously here. working in utf-8 should be
103 # equivalent due to the magic of utf-8 encoding.
104 utf8::encode $text;
105 study $text; # _really_ helps, too :)
76 106
107 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
108 while ($text =~ /$regex/g) {
109 if ($-[1] <= $markofs and $markofs <= $+[1]) {
110 my $ofs = $-[1];
111 my $match = $1;
112
77 for my $regex (@simplify_patterns) { 113 for my $regex (@simplify_patterns) {
78 if ($match =~ $regex) { 114 if ($match =~ $regex) {
79 $match = $1; 115 $match = $1;
80 $ofs += $-[1]; 116 $ofs += $-[1];
117 }
81 } 118 }
119
120 push @matches, [$ofs, length $match];
82 } 121 }
83
84 push @matches, [$ofs, length $match];
85 } 122 }
86 } 123 }
87 } 124 }
88 125
89 # whole line 126 # whole line
… …
92 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 129 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
93 my ($ofs, $len) = @$_; 130 my ($ofs, $len) = @$_;
94 131
95 next if $len <= $curlen; 132 next if $len <= $curlen;
96 133
134 # convert back from UTF-8 offset space to character space
135 {
136 my $length = substr "$text ", $ofs, $len;
137 utf8::decode $length;
138 $len = length $length;
139 }
140 {
141 my $prefix = substr $text, 0, $ofs;
142 utf8::decode $prefix;
143 $ofs = length $prefix;
144 }
145
97 $self->selection_beg ($line->coord_of ($ofs)); 146 $self->selection_beg ($line->coord_of ($ofs));
98 $self->selection_end ($line->coord_of ($ofs + $len)); 147 $self->selection_end ($line->coord_of ($ofs + $len));
99 return 1; 148 return 1;
100 } 149 }
101 150

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