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/cvs/rxvt-unicode/src/perl/selection
Revision: 1.29
Committed: Tue Jan 17 16:22:41 2006 UTC (18 years, 4 months ago) by root
Branch: MAIN
Changes since 1.28: +2 -4 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #! perl
2 use Digest::MD5 qw/md5_hex/;
3
4 my $timers = {};
5 my $pastebin_cmd;
6 my $pastebin_url;
7
8 sub on_start {
9 my ($self) = @_;
10 $pastebin_cmd = $self->x_resource ("selection-pastebin-cmd")
11 or "scp -p % ruth:/var/www/www.ta-sa.org/files/txt/";
12
13 $pastebin_url = $self->x_resource ("selection-pastebin-url")
14 or "http://www.ta-sa.org/files/txt/";
15 ();
16 }
17
18 sub upload_paste {
19 my ($self) = @_;
20
21 my $txt = $self->selection;
22 my $filename = md5_hex ($txt) . ".txt";
23
24 my $tmpfile = "/tmp/$filename";
25
26 my $msg = "uploaded $filename";
27
28 if (open my $o, ">" . $tmpfile) {
29 print $o $txt;
30 close $o;
31 } else {
32 $msg = "couldn't write $tmpfile: $!";
33 }
34
35 my $cmd = $pastebin_cmd;
36 $cmd =~ s/%/$tmpfile/;
37
38 if (system ($cmd) == 0) {
39
40 my $url = $pastebin_url;
41 $url =~ s/%/$filename/;
42
43 $self->selection ($url);
44 } else {
45 $msg = "couldn't upload, '$cmd' failed";
46 }
47
48 my $ov = $timers->{ov} = $self->overlay (-1, 0, length ($msg), 1, urxvt::OVERLAY_RSTYLE, 0);
49 $ov->set (0, 0, $msg);
50
51 $timers->{t1} =
52 urxvt::timer
53 ->new
54 ->start ((int urxvt::NOW) + 5) # make sure we update "on" the second
55 ->interval (1)
56 ->cb (sub { delete $timers->{ov}; delete $timers->{t1}; });
57 }
58
59 sub on_keyboard_command {
60 my ($self, $cmd) = @_;
61
62 $cmd eq "selection:rot13"
63 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection);
64
65 $cmd eq "selection:remote-pastebin"
66 and upload_paste ($self);
67
68 ()
69 }
70
71 sub on_init {
72 my ($self) = @_;
73
74 for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
75 no re 'eval'; # just to be sure
76 $res = utf8::encode $self->locale_decode ($res);
77 push @{ $self->{patterns} }, qr/$res/;
78 }
79
80 ()
81 }
82
83 # "find interetsing things"-patterns
84 my @mark_patterns = (
85 # common types of "parentheses"
86 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x,
87 qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x,
88 qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
89 qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x,
90 qr{ \< ([^<>[:space:]]+) \> }x,
91 qr{ \{ ([^{}[:space:]]+) \} }x,
92 qr{ \[ ([^{}[:space:]]+) \] }x,
93 qr{ \( ([^()[:space:]]+) \) }x,
94
95 # urls, just a heuristic
96 qr{(
97 (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
98 [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
99 )}x,
100
101 # shell-like argument quoting, basically always matches
102 qr{\G [\ \t|&;<>()] *(
103 (?:
104 [^\\"'\ \t|&;<>()]+
105 | \\.
106 | " (?: [^\\"]+ | \\. )* "
107 | ' [^']* '
108 )+
109 )}x,
110 );
111
112 # "correct obvious? crap"-patterns
113 my @simplify_patterns = (
114 qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
115 qr{^(.*)[,\-]$}, # strip off trailing , and -
116 );
117
118 sub on_sel_extend {
119 my ($self, $time) = @_;
120
121 my ($row, $col) = $self->selection_mark;
122 my $line = $self->line ($row);
123 my $text = $line->t;
124 my $markofs = $line->offset_of ($row, $col);
125 my $curlen = $line->offset_of ($self->selection_end)
126 - $line->offset_of ($self->selection_beg);
127
128 my @matches;
129
130 # not doing matches in unicode mode helps speed
131 # enourmously here. working in utf-8 should be
132 # equivalent due to the magic of utf-8 encoding.
133 utf8::encode $text;
134 study $text; # _really_ helps, too :)
135
136 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
137 while ($text =~ /$regex/g) {
138 if ($-[1] <= $markofs and $markofs <= $+[1]) {
139 my $ofs = $-[1];
140 my $match = $1;
141
142 for my $regex (@simplify_patterns) {
143 if ($match =~ $regex) {
144 $match = $1;
145 $ofs += $-[1];
146 }
147 }
148
149 push @matches, [$ofs, length $match];
150 }
151 }
152 }
153
154 # whole line
155 push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
156
157 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
158 my ($ofs, $len) = @$_;
159
160 next if $len <= $curlen;
161
162 $self->selection_beg ($line->coord_of ($ofs));
163 $self->selection_end ($line->coord_of ($ofs + $len));
164 return 1;
165 }
166
167 ()
168 }