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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 1.38 by root, Sat May 20 18:17:38 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/; $_ } $self->selection);
8 8
9 () 9 ()
10} 10}
11 11
12sub on_init {
13 my ($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{([[:alnum:]]+)},
15
16 # common "parentheses" 37 # common types of "parentheses"
17 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, 38 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x,
18 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, 39 qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x,
19 qr{ \{ ([^{}]+?) \} }x, 40 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
20 qr{ \[ ([^{}]+?) \] }x, 41 qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x,
42 qr{ \< ([^<>[:space:]]+) \> }x,
43 qr{ \{ ([^{}[:space:]]+) \} }x,
44 qr{ \[ ([^{}[:space:]]+) \] }x,
45 qr{ \( ([^()[:space:]]+) \) }x,
21 46
22 # urls, just a heuristic 47 # urls, just a heuristic
23 qr{( 48 qr{(
24 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 49 (?:https?://|ftp://|news://|mailto:|file://)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
25 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 50 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
26 )}x, 51 )}x,
27 52
28 # shell-like argument quoting, basically always matches 53 # shell-like argument quoting, basically always matches
29 qr{\G [\ \t|&;<>()] *( 54 qr{\G [\ \t|&;<>()]* (
30 (?: 55 (?:
31 [^\\"'\ \t|&;<>()]+ 56 [^\\"'\ \t|&;<>()]+
32 | \\. 57 | \\.
33 | " (?: [^\\"]+ | \\. )* " 58 | " (?: [^\\"]+ | \\. )* "
34 | ' [^']* ' 59 | ' [^']* '
… …
41 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple 66 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 qr{^(.*)[,\-]$}, # strip off trailing , and - 67 qr{^(.*)[,\-]$}, # strip off trailing , and -
43); 68);
44 69
45sub on_sel_extend { 70sub on_sel_extend {
46 my ($self) = @_; 71 my ($self, $time) = @_;
72
73 $self->{enabled}
74 or return;
47 75
48 my ($row, $col) = $self->selection_mark; 76 my ($row, $col) = $self->selection_mark;
49 my $line = $self->line ($row); 77 my $line = $self->line ($row);
50 my $text = $line->t; 78 my $text = $line->t;
51 my $markofs = $line->offset_of ($row, $col); 79 my $markofs = $line->offset_of ($row, $col);
52 my $curlen = $line->offset_of ($self->selection_end) 80 my $curlen = $line->offset_of ($self->selection_end)
53 - $line->offset_of ($self->selection_beg); 81 - $line->offset_of ($self->selection_beg);
54 82
55 my @matches; 83 my @matches;
56 84
57 for my $regex (@mark_patterns) { 85 if ($markofs < $line->l) {
58 while ($text =~ /$regex/g) { 86 # convert markofs form character to UTF-8 offset space
59 if ($-[1] <= $markofs and $markofs <= $+[1]) { 87 {
60 my $ofs = $-[1]; 88 my $prefix = substr $text, 0, $markofs;
61 my $match = $1; 89 utf8::encode $prefix;
90 $markofs = length $prefix;
91 }
62 92
63 push @matches, [$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 :)
64 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
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;
81 125
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
82 $self->selection_beg ($line->coord_of ($ofs)); 138 $self->selection_beg ($line->coord_of ($ofs));
83 $self->selection_end ($line->coord_of ($ofs + $len)); 139 $self->selection_end ($line->coord_of ($ofs + $len));
84 return 1; 140 return 1;
85 } 141 }
86 142
87 # whole line 143 ()
88 $self->selection_beg ($line->beg, 0);
89 $self->selection_end ($line->end, $self->ncol);
90
91 return 1;
92} 144}

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