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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 1.32 by root, Sat Jan 21 21:20:34 2006 UTC

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 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
16 no re 'eval'; # just to be sure
17 $res = $self->locale_decode ($res);
18 utf8::encode $res;
19 push @{ $self->{patterns} }, qr/$res/;
20 }
21
22 ()
23}
24
12# "find interetsing things"-patterns 25# "find interetsing things"-patterns
13my @mark_patterns = ( 26my @mark_patterns = (
14 qr{([[:alnum:]]+)},
15
16 # common "parentheses" 27 # common types of "parentheses"
17 qr{(?:^|\s) ‘ ([^‘’]+?) ’ (?:\s|\)|$)}x, 28 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x,
18 qr{(?:^|\s) ` ([^`']+?) ' (?:\s|\)|$)}x, 29 qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x,
19 qr{ \{ ([^{}]+?) \} }x, 30 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
20 qr{ \[ ([^{}]+?) \] }x, 31 qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x,
32 qr{ \< ([^<>[:space:]]+) \> }x,
33 qr{ \{ ([^{}[:space:]]+) \} }x,
34 qr{ \[ ([^{}[:space:]]+) \] }x,
35 qr{ \( ([^()[:space:]]+) \) }x,
21 36
22 # urls, just a heuristic 37 # urls, just a heuristic
23 qr{( 38 qr{(
24 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+ 39 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
25 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic) 40 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
41 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple 56 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
42 qr{^(.*)[,\-]$}, # strip off trailing , and - 57 qr{^(.*)[,\-]$}, # strip off trailing , and -
43); 58);
44 59
45sub on_sel_extend { 60sub on_sel_extend {
46 my ($self) = @_; 61 my ($self, $time) = @_;
47 62
48 my ($row, $col) = $self->selection_mark; 63 my ($row, $col) = $self->selection_mark;
49 my $line = $self->line ($row); 64 my $line = $self->line ($row);
50 my $text = $line->t; 65 my $text = $line->t;
51 my $markofs = $line->offset_of ($row, $col); 66 my $markofs = $line->offset_of ($row, $col);
52 my $curlen = $line->offset_of ($self->selection_end) 67 my $curlen = $line->offset_of ($self->selection_end)
53 - $line->offset_of ($self->selection_beg); 68 - $line->offset_of ($self->selection_beg);
54 69
55 my @matches; 70 my @matches;
56 71
57 for my $regex (@mark_patterns) { 72 if ($markofs < $line->l) {
58 while ($text =~ /$regex/g) { 73 # convert markofs form character to UTF-8 offset space
59 if ($-[1] <= $markofs and $markofs <= $+[1]) { 74 {
60 my $ofs = $-[1]; 75 my $prefix = substr $text, 0, $markofs;
61 my $match = $1; 76 utf8::encode $prefix;
77 $markofs = length $prefix;
78 }
62 79
63 push @matches, [$ofs, length $match]; 80 # not doing matches in unicode mode helps speed
81 # enourmously here. working in utf-8 should be
82 # equivalent due to the magic of utf-8 encoding.
83 utf8::encode $text;
84 study $text; # _really_ helps, too :)
64 85
86 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
87 while ($text =~ /$regex/g) {
88 if ($-[1] <= $markofs and $markofs <= $+[1]) {
89 my $ofs = $-[1];
90 my $match = $1;
91
65 for my $regex (@simplify_patterns) { 92 for my $regex (@simplify_patterns) {
66 if ($match =~ $regex) { 93 if ($match =~ $regex) {
67 $match = $1; 94 $match = $1;
68 $ofs += $-[1]; 95 $ofs += $-[1];
96 }
69 } 97 }
98
99 push @matches, [$ofs, length $match];
70 } 100 }
71
72 push @matches, [$ofs, length $match];
73 } 101 }
74 } 102 }
75 } 103 }
104
105 # whole line
106 push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
76 107
77 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) { 108 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
78 my ($ofs, $len) = @$_; 109 my ($ofs, $len) = @$_;
79 110
80 next if $len <= $curlen; 111 next if $len <= $curlen;
81 112
113 # convert back from UTF-8 offset space to character space
114 {
115 my $length = substr $text, $ofs, $len;
116 utf8::decode $length;
117 $len = length $length;
118 }
119 {
120 my $prefix = substr $text, 0, $ofs;
121 utf8::decode $prefix;
122 $ofs = length $prefix;
123 }
124
82 $self->selection_beg ($line->coord_of ($ofs)); 125 $self->selection_beg ($line->coord_of ($ofs));
83 $self->selection_end ($line->coord_of ($ofs + $len)); 126 $self->selection_end ($line->coord_of ($ofs + $len));
84 return 1; 127 return 1;
85 } 128 }
86 129
87 # whole line 130 ()
88 $self->selection_beg ($line->beg, 0);
89 $self->selection_end ($line->end, $self->ncol);
90
91 return 1;
92} 131}

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