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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 1.42 by root, Mon Nov 19 09:13:47 2007 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 = (
37 qr{ ([[:word:]]+) }x,
14 qr{([[:alnum:]]+)}, 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,
19 qr{ \{ ([^{}]+?) \} }x, 43 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
20 qr{ \[ ([^{}]+?) \] }x, 44 qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x,
45 qr{ \< ([^<>[:space:]]+) \> }x,
46 qr{ \{ ([^{}[:space:]]+) \} }x,
47 qr{ \[ ([^{}[:space:]]+) \] }x,
48 qr{ \( ([^()[:space:]]+) \) }x,
21 49
22 # urls, just a heuristic 50 # urls, just a heuristic
23 qr{( 51 qr{(
24 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 52 (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+
25 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 53 [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic)
26 )}x, 54 )}x,
27 55
28 # shell-like argument quoting, basically always matches 56 # shell-like argument quoting, basically always matches
29 qr{\G [\ \t|&;<>()] *( 57 qr{\G [\ \t|&;<>()]* (
30 (?: 58 (?:
31 [^\\"'\ \t|&;<>()]+ 59 [^\\"'\ \t|&;<>()]+
32 | \\. 60 | \\.
33 | " (?: [^\\"]+ | \\. )* " 61 | " (?: [^\\"]+ | \\. )* "
34 | ' [^']* ' 62 | ' [^']* '
… …
41 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple 69 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 qr{^(.*)[,\-]$}, # strip off trailing , and - 70 qr{^(.*)[,\-]$}, # strip off trailing , and -
43); 71);
44 72
45sub on_sel_extend { 73sub on_sel_extend {
46 my ($self) = @_; 74 my ($self, $time) = @_;
75
76 $self->{enabled}
77 or return;
47 78
48 my ($row, $col) = $self->selection_mark; 79 my ($row, $col) = $self->selection_mark;
49 my $line = $self->line ($row); 80 my $line = $self->line ($row);
50 my $text = $line->t; 81 my $text = $line->t;
51 my $markofs = $line->offset_of ($row, $col); 82 my $markofs = $line->offset_of ($row, $col);
52 my $curlen = $line->offset_of ($self->selection_end) 83 my $curlen = $line->offset_of ($self->selection_end)
53 - $line->offset_of ($self->selection_beg); 84 - $line->offset_of ($self->selection_beg);
54 85
55 my @matches; 86 my @matches;
56 87
57 for my $regex (@mark_patterns) { 88 if ($markofs < $line->l) {
58 while ($text =~ /$regex/g) { 89 # convert markofs from character to UTF-8 offset space
59 if ($-[1] <= $markofs and $markofs <= $+[1]) { 90 {
60 my $ofs = $-[1]; 91 my $prefix = substr $text, 0, $markofs;
61 my $match = $1; 92 utf8::encode $prefix;
93 $markofs = length $prefix;
94 }
62 95
63 push @matches, [$ofs, length $match]; 96 # not doing matches in unicode mode helps speed
97 # enourmously here. working in utf-8 should be
98 # equivalent due to the magic of utf-8 encoding.
99 utf8::encode $text;
100 study $text; # _really_ helps, too :)
64 101
102 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
103 while ($text =~ /$regex/g) {
104 if ($-[1] <= $markofs and $markofs <= $+[1]) {
105 my $ofs = $-[1];
106 my $match = $1;
107
65 for my $regex (@simplify_patterns) { 108 for my $regex (@simplify_patterns) {
66 if ($match =~ $regex) { 109 if ($match =~ $regex) {
67 $match = $1; 110 $match = $1;
68 $ofs += $-[1]; 111 $ofs += $-[1];
112 }
69 } 113 }
114
115 push @matches, [$ofs, length $match];
70 } 116 }
71
72 push @matches, [$ofs, length $match];
73 } 117 }
74 } 118 }
75 } 119 }
120
121 # whole line
122 push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
76 123
77 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 124 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
78 my ($ofs, $len) = @$_; 125 my ($ofs, $len) = @$_;
79 126
80 next if $len <= $curlen; 127 next if $len <= $curlen;
81 128
129 # convert back from UTF-8 offset space to character space
130 {
131 my $length = substr "$text ", $ofs, $len;
132 utf8::decode $length;
133 $len = length $length;
134 }
135 {
136 my $prefix = substr $text, 0, $ofs;
137 utf8::decode $prefix;
138 $ofs = length $prefix;
139 }
140
82 $self->selection_beg ($line->coord_of ($ofs)); 141 $self->selection_beg ($line->coord_of ($ofs));
83 $self->selection_end ($line->coord_of ($ofs + $len)); 142 $self->selection_end ($line->coord_of ($ofs + $len));
84 return 1; 143 return 1;
85 } 144 }
86 145
87 # whole line 146 ()
88 $self->selection_beg ($line->beg, 0);
89 $self->selection_end ($line->end, $self->ncol);
90
91 return 1;
92} 147}

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