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/cvs/rxvt-unicode/src/perl/selection
Revision: 1.28
Committed: Tue Jan 17 13:19:45 2006 UTC (18 years, 4 months ago) by elmex
Branch: MAIN
Changes since 1.27: +14 -9 lines
Log Message:
documented and improved remote-pastebin.

File Contents

# User Rev Content
1 root 1.4 #! perl
2 elmex 1.27 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 elmex 1.28 my $filename = md5_hex ($txt) . ".txt";
25 elmex 1.27
26 elmex 1.28 my $tmpfile = "/tmp/$filename";
27 elmex 1.27
28 elmex 1.28 my $msg = "uploaded $filename";
29 elmex 1.27
30 elmex 1.28 if (open my $o, ">" . $tmpfile) {
31 elmex 1.27 print $o $txt;
32     close $o;
33     } else {
34 elmex 1.28 $msg = "couldn't write $tmpfile: $!";
35 elmex 1.27 }
36    
37     my $cmd = $pastebin_cmd;
38 elmex 1.28 $cmd =~ s/%/$tmpfile/;
39    
40     if (system ($cmd) == 0) {
41    
42     my $url = $pastebin_url;
43     $url =~ s/%/$filename/;
44    
45     $self->selection ($url);
46     } else {
47 elmex 1.27 $msg = "couldn't upload, '$cmd' failed";
48     }
49    
50     my $ov = $timers->{ov} = $self->overlay (-1, 0, length ($msg), 1, urxvt::OVERLAY_RSTYLE, 0);
51     $ov->set (0, 0, $msg);
52    
53     $timers->{t1} =
54     urxvt::timer
55     ->new
56     ->start ((int urxvt::NOW) + 5) # make sure we update "on" the second
57     ->interval (1)
58     ->cb (sub { delete $timers->{ov}; delete $timers->{t1}; });
59     }
60 root 1.4
61 elmex 1.1 sub on_keyboard_command {
62 root 1.7 my ($self, $cmd) = @_;
63 elmex 1.2
64     $cmd eq "selection:rot13"
65 root 1.7 and $self->selection (map { y/A-Za-z/N-ZA-Mn-za-m/; $_ } $self->selection);
66 elmex 1.3
67 elmex 1.27 $cmd eq "selection:remote-pastebin"
68     and upload_paste ($self);
69    
70 elmex 1.3 ()
71 elmex 1.1 }
72 root 1.5
73 root 1.23 sub on_init {
74     my ($self) = @_;
75    
76     for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
77     no re 'eval'; # just to be sure
78 root 1.26 $res = utf8::encode $self->locale_decode ($res);
79 root 1.23 push @{ $self->{patterns} }, qr/$res/;
80     }
81    
82     ()
83     }
84    
85 root 1.16 # "find interetsing things"-patterns
86 root 1.15 my @mark_patterns = (
87 root 1.24 # common types of "parentheses"
88 root 1.25 qr{ (?<![^[:space:]]) ‘ ([^‘’]+) ’ (?![^[:space]]) }x,
89     qr{ (?<![^[:space:]]) ` ([^`']+) ' (?![^[:space]]) }x,
90     qr{ (?<![^[:space:]]) (" [^[:space:]] [^"]* ") }x,
91     qr{ (" [^"]* [^[:space:]] ") (?![^[:space]]) }x,
92     qr{ \< ([^<>[:space:]]+) \> }x,
93     qr{ \{ ([^{}[:space:]]+) \} }x,
94     qr{ \[ ([^{}[:space:]]+) \] }x,
95     qr{ \( ([^()[:space:]]+) \) }x,
96 root 1.14
97 root 1.20 # urls, just a heuristic
98     qr{(
99     (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
100     [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~] # exclude some trailing characters (heuristic)
101     )}x,
102    
103 root 1.17 # shell-like argument quoting, basically always matches
104 root 1.11 qr{\G [\ \t|&;<>()] *(
105 root 1.9 (?:
106 root 1.11 [^\\"'\ \t|&;<>()]+
107 root 1.9 | \\.
108 root 1.13 | " (?: [^\\"]+ | \\. )* "
109 root 1.9 | ' [^']* '
110     )+
111 root 1.14 )}x,
112 root 1.8 );
113    
114 root 1.16 # "correct obvious? crap"-patterns
115 root 1.15 my @simplify_patterns = (
116     qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
117 root 1.16 qr{^(.*)[,\-]$}, # strip off trailing , and -
118 root 1.15 );
119 root 1.14
120 root 1.6 sub on_sel_extend {
121 root 1.21 my ($self, $time) = @_;
122 root 1.8
123     my ($row, $col) = $self->selection_mark;
124     my $line = $self->line ($row);
125     my $text = $line->t;
126 root 1.20 my $markofs = $line->offset_of ($row, $col);
127     my $curlen = $line->offset_of ($self->selection_end)
128     - $line->offset_of ($self->selection_beg);
129    
130     my @matches;
131 root 1.8
132 root 1.26 # not doing matches in unicode mode helps speed
133     # enourmously here. working in utf-8 should be
134     # equivalent due to the magic of utf-8 encoding.
135     utf8::encode $text;
136     study $text; # _really_ helps, too :)
137    
138 root 1.23 for my $regex (@mark_patterns, @{ $self->{patterns} }) {
139 root 1.8 while ($text =~ /$regex/g) {
140 root 1.20 if ($-[1] <= $markofs and $markofs <= $+[1]) {
141 root 1.16 my $ofs = $-[1];
142 root 1.15 my $match = $1;
143    
144     for my $regex (@simplify_patterns) {
145     if ($match =~ $regex) {
146     $match = $1;
147 root 1.16 $ofs += $-[1];
148 root 1.15 }
149     }
150    
151 root 1.20 push @matches, [$ofs, length $match];
152 root 1.8 }
153     }
154     }
155    
156 root 1.21 # whole line
157     push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
158    
159 root 1.20 for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
160     my ($ofs, $len) = @$_;
161    
162     next if $len <= $curlen;
163    
164     $self->selection_beg ($line->coord_of ($ofs));
165     $self->selection_end ($line->coord_of ($ofs + $len));
166     return 1;
167     }
168    
169 root 1.21 ()
170 root 1.5 }