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/cvs/rxvt-unicode/src/perl/selection
Revision: 1.27
Committed: Tue Jan 17 13:07:16 2006 UTC (18 years, 4 months ago) by elmex
Branch: MAIN
Changes since 1.26: +56 -0 lines
Log Message:
implemented perl:selection:remote-pastebin, documentation still missing

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