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/cvs/rxvt-unicode/src/perl/selection
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Comparing rxvt-unicode/src/perl/selection (file contents):
Revision 1.39 by root, Thu Jul 6 19:06:40 2006 UTC vs.
Revision 1.54 by root, Wed Jun 6 15:06:41 2012 UTC

1#! perl 1#! perl
2
3#:META:X_RESOURCE:%.pattern-0:string:first selection pattern
2 4
3sub on_user_command { 5sub on_user_command {
4 my ($self, $cmd) = @_; 6 my ($self, $cmd) = @_;
5 7
6 $cmd eq "selection:rot13" 8 $cmd eq "selection:rot13"
17 push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x; 19 push @{ $self->{patterns} }, qr{\G [\Q$res\E[:space:]]* ([^\Q$res\E[:space:]]+) }x;
18 } 20 }
19 21
20 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) { 22 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
21 $res = $self->locale_decode ($res); 23 $res = $self->locale_decode ($res);
22 utf8::encode $res;
23 push @{ $self->{patterns} }, qr/$res/; 24 push @{ $self->{patterns} }, qr/$res/;
24 } 25 }
25 26
26 $self->{enabled} = 1; 27 $self->{enabled} = 1;
27 28
32 () 33 ()
33} 34}
34 35
35# "find interesting things"-patterns 36# "find interesting things"-patterns
36my @mark_patterns = ( 37my @mark_patterns = (
38# qr{ ([[:word:]]+) }x,
39 qr{ ([^[:space:]]+) }x,
40
37 # common types of "parentheses" 41 # common types of "parentheses"
42 qr{ (?<![^[:space:]]) [`'] ([^`']+) [`'] (?![^[:space:]]) }x,
38 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x, 43 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space:]]) }x,
39 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,
40 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x, 50 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
41 qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x, 51 qr{ (" [^"]* [^[:space:]] ") (?![^[:space:]]) }x,
42 qr{ \< ([^<>[:space:]]+) \> }x, 52
43 qr{ \{ ([^{}[:space:]]+) \} }x, 53 qr{ \{ ([^\{\}]+) \} }x,
44 qr{ \[ ([^{}[:space:]]+) \] }x,
45 qr{ \( ([^()[:space:]]+) \) }x, 54 qr{ \( ([^\(\)]+) \) }x,
55 qr{ \[ ([^\[\]]+) \] }x,
56 qr{ \< ([^\<\>]+) \> }x,
46 57
47 # urls, just a heuristic 58 # urls, just a heuristic
48 qr{( 59 qr{(
49 (?:https?://|ftp://|news://|mailto:|file://)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+ 60 (?:https?://|ftp://|news://|mailto:|file://|\bwww\.)[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~#]+
50 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 61 [ab-zA-Z0-9\-\@;\/?:&=%\$_+*()~] # exclude some trailing characters (heuristic)
51 )}x, 62 )}x,
52 63
53 # shell-like argument quoting, basically always matches 64 # shell-like argument quoting, basically always matches
54 qr{\G [\ \t|&;<>()]* ( 65 qr{\G [\ \t|&;<>()]* (
55 (?: 66 (?:
81 - $line->offset_of ($self->selection_beg); 92 - $line->offset_of ($self->selection_beg);
82 93
83 my @matches; 94 my @matches;
84 95
85 if ($markofs < $line->l) { 96 if ($markofs < $line->l) {
86 # convert markofs form character to UTF-8 offset space
87 {
88 my $prefix = substr $text, 0, $markofs;
89 utf8::encode $prefix;
90 $markofs = length $prefix;
91 }
92
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 :) 97 study $text; # _really_ helps, too :)
98 98
99 for my $regex (@mark_patterns, @{ $self->{patterns} }) { 99 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
100 while ($text =~ /$regex/g) { 100 while ($text =~ /$regex/g) {
101 if ($-[1] <= $markofs and $markofs <= $+[1]) { 101 if ($-[1] <= $markofs and $markofs <= $+[1]) {
121 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 121 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
122 my ($ofs, $len) = @$_; 122 my ($ofs, $len) = @$_;
123 123
124 next if $len <= $curlen; 124 next if $len <= $curlen;
125 125
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
138 $self->selection_beg ($line->coord_of ($ofs)); 126 $self->selection_beg ($line->coord_of ($ofs));
139 $self->selection_end ($line->coord_of ($ofs + $len)); 127 $self->selection_end ($line->coord_of ($ofs + $len));
140 return 1; 128 return 1;
141 } 129 }
142 130

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