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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 1.37 by root, Mon Feb 6 06:14:08 2006 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:]]+)},
26
27 # common "parentheses" 37 # common types of "parentheses"
28 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, 38 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x,
29 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, 39 qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x,
30 qr{ \{ ([^{}]+?) \} }x, 40 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
31 qr{ \[ ([^{}]+?) \] }x, 41 qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x,
32 qr{ \( ([^()]+?) \) }x, 42 qr{ \< ([^<>[:space:]]+) \> }x,
43 qr{ \{ ([^{}[:space:]]+) \} }x,
44 qr{ \[ ([^{}[:space:]]+) \] }x,
45 qr{ \( ([^()[:space:]]+) \) }x,
33 46
34 # urls, just a heuristic 47 # urls, just a heuristic
35 qr{( 48 qr{(
36 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 49 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
37 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 50 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
38 )}x, 51 )}x,
39 52
40 # shell-like argument quoting, basically always matches 53 # shell-like argument quoting, basically always matches
41 qr{\G [\ \t|&;<>()] *( 54 qr{\G [\ \t|&;<>()]* (
42 (?: 55 (?:
43 [^\\"'\ \t|&;<>()]+ 56 [^\\"'\ \t|&;<>()]+
44 | \\. 57 | \\.
45 | " (?: [^\\"]+ | \\. )* " 58 | " (?: [^\\"]+ | \\. )* "
46 | ' [^']* ' 59 | ' [^']* '
… …
55); 68);
56 69
57sub on_sel_extend { 70sub on_sel_extend {
58 my ($self, $time) = @_; 71 my ($self, $time) = @_;
59 72
73 $self->{enabled}
74 or return;
75
60 my ($row, $col) = $self->selection_mark; 76 my ($row, $col) = $self->selection_mark;
61 my $line = $self->line ($row); 77 my $line = $self->line ($row);
62 my $text = $line->t; 78 my $text = $line->t;
63 my $markofs = $line->offset_of ($row, $col); 79 my $markofs = $line->offset_of ($row, $col);
64 my $curlen = $line->offset_of ($self->selection_end) 80 my $curlen = $line->offset_of ($self->selection_end)
65 - $line->offset_of ($self->selection_beg); 81 - $line->offset_of ($self->selection_beg);
66 82
67 my @matches; 83 my @matches;
68 84
69 for my $regex (@mark_patterns, @{ $self->{patterns} }) { 85 if ($markofs < $line->l) {
70 while ($text =~ /$regex/g) { 86 # convert markofs form character to UTF-8 offset space
71 if ($-[1] <= $markofs and $markofs <= $+[1]) { 87 {
72 my $ofs = $-[1]; 88 my $prefix = substr $text, 0, $markofs;
73 my $match = $1; 89 utf8::encode $prefix;
90 $markofs = length $prefix;
91 }
74 92
75 push @matches, [$ofs, length $match]; 93 # not doing matches in unicode mode helps speed
94 # enourmously here. working in utf-8 should be
95 # equivalent due to the magic of utf-8 encoding.
96 utf8::encode $text;
97 study $text; # _really_ helps, too :)
76 98
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;
104
77 for my $regex (@simplify_patterns) { 105 for my $regex (@simplify_patterns) {
78 if ($match =~ $regex) { 106 if ($match =~ $regex) {
79 $match = $1; 107 $match = $1;
80 $ofs += $-[1]; 108 $ofs += $-[1];
109 }
81 } 110 }
111
112 push @matches, [$ofs, length $match];
82 } 113 }
83
84 push @matches, [$ofs, length $match];
85 } 114 }
86 } 115 }
87 } 116 }
88 117
89 # whole line 118 # whole line
… …
92 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 121 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
93 my ($ofs, $len) = @$_; 122 my ($ofs, $len) = @$_;
94 123
95 next if $len <= $curlen; 124 next if $len <= $curlen;
96 125
126 # convert back from UTF-8 offset space to character space
127 {
128 my $length = substr "$text ", $ofs, $len;
129 utf8::decode $length;
130 $len = length $length;
131 }
132 {
133 my $prefix = substr $text, 0, $ofs;
134 utf8::decode $prefix;
135 $ofs = length $prefix;
136 }
137
97 $self->selection_beg ($line->coord_of ($ofs)); 138 $self->selection_beg ($line->coord_of ($ofs));
98 $self->selection_end ($line->coord_of ($ofs + $len)); 139 $self->selection_end ($line->coord_of ($ofs + $len));
99 return 1; 140 return 1;
100 } 141 }
101 142

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