--- rxvt-unicode/src/perl/selection	2006/01/03 20:47:36	1.8
+++ rxvt-unicode/src/perl/selection	2006/01/12 23:11:23	1.24
@@ -9,28 +9,93 @@
    ()
 }
 
-my @patterns = (
-   # urls
-   qr{ ([a-z0-9.+\-]+://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),]+) }x,
+sub on_init {
+   my ($self) = @_;
+
+   for (my $idx = 0; defined (my $res = $self->x_resource ("selection.pattern-$idx")); $idx++) {
+      no re 'eval'; # just to be sure
+      push @{ $self->{patterns} }, qr/$res/;
+   }
+
+   ()
+}
+
+# "find interetsing things"-patterns
+my @mark_patterns = (
+   # common types of "parentheses"
+   qr{(?:^|\s) ‘  ([^‘’]+?) ’ (?:\s|\)|$)}x,
+   qr{(?:^|\s) `  ([^`']+?) ' (?:\s|\)|$)}x,
+   qr{         \{ ([^{}]+?) \} }x,
+   qr{         \[ ([^{}]+?) \] }x,
+   qr{         \( ([^()]+?) \) }x,
+
+   # urls, just a heuristic
+   qr{(
+      (?:https?|ftp|news|mailto|file)://[ab-zA-Z0-9\-\@;\/?:&=%\$_.+!*\x27(),~]+
+      [ab-zA-Z0-9\-\@;\/?:&=%\$_+!*\x27()~]   # exclude some trailing characters (heuristic)
+   )}x,
+
+   # shell-like argument quoting, basically always matches
+   qr{\G [\ \t|&;<>()] *(
+      (?:
+         [^\\"'\ \t|&;<>()]+
+         | \\.
+         | " (?: [^\\"]+ | \\. )* "
+         | ' [^']* '
+      )+
+   )}x,
+);
+
+# "correct obvious? crap"-patterns
+my @simplify_patterns = (
+   qr{^"([^\\"'\ \t|&;<>()*?]+)"$}, # "simple" => simple
+   qr{^(.*)[,\-]$},                 # strip off trailing , and -
 );
 
 sub on_sel_extend {
-   my ($self) = @_;
+   my ($self, $time) = @_;
 
    my ($row, $col) = $self->selection_mark;
    my $line = $self->line ($row);
-   my $offset = $line->offset_of ($row, $col);
    my $text = $line->t;
+   my $markofs = $line->offset_of ($row, $col);
+   my $curlen  = $line->offset_of ($self->selection_end)
+               - $line->offset_of ($self->selection_beg);
+
+   my @matches;
 
-   for my $regex (@patterns) {
+   for my $regex (@mark_patterns, @{ $self->{patterns} }) {
       while ($text =~ /$regex/g) {
-         if ($-[0] <= $offset and $offset <= $+[0]) {
-            $self->selection_beg ($line->coord_of ($-[0]));
-            $self->selection_end ($line->coord_of ($+[0]));
-            return 1;
+         if ($-[1] <= $markofs and $markofs <= $+[1]) {
+            my $ofs = $-[1];
+            my $match = $1;
+
+            push @matches, [$ofs, length $match];
+
+            for my $regex (@simplify_patterns) {
+               if ($match =~ $regex) {
+                  $match = $1;
+                  $ofs += $-[1];
+               }
+            }
+
+            push @matches, [$ofs, length $match];
          }
       }
    }
 
+   # whole line
+   push @matches, [0, ($line->end - $line->beg + 1) * $self->ncol];
+
+   for (sort { $a->[1] <=> $b->[1] or $b->[0] <=> $a->[0] } @matches) {
+      my ($ofs, $len) = @$_;
+
+      next if $len <= $curlen;
+
+      $self->selection_beg ($line->coord_of ($ofs));
+      $self->selection_end ($line->coord_of ($ofs + $len));
+      return 1;
+   }
+
    ()
 }