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-rw-r--r--lib/MaildirIndexer/ScanDir.rakumod40
1 files changed, 29 insertions, 11 deletions
diff --git a/lib/MaildirIndexer/ScanDir.rakumod b/lib/MaildirIndexer/ScanDir.rakumod
index b21fd81..c45d787 100644
--- a/lib/MaildirIndexer/ScanDir.rakumod
+++ b/lib/MaildirIndexer/ScanDir.rakumod
@@ -1,34 +1,52 @@
use v6.d;
unit module MaildirIndexer::ScanDir;
+class End {};
+
sub scan-dir(IO() $path --> Supply) is export {
supply {
my %watched-dirs;
- sub add-dir(IO::Path $dir, :$initial) {
- %watched-dirs{$dir} = True;
+ CATCH { when X::IO { }; default { warn $_; done } }
- CATCH { when X::IO::Dir { }; default { warn $_ } }
+ sub start-watching(IO::Path $dir) {
+ %watched-dirs{$dir.Str} = True;
whenever $dir.watch {
my $path-io = .path.IO;
emit $path-io;
- when $path-io.e && $path-io.d {
- add-dir($path-io) unless %watched-dirs{$path-io};
+ when $path-io ~~ :e & :d {
+ add-dir($path-io) unless %watched-dirs{$path-io.Str};
}
- when !$path-io.e {
- %watched-dirs{$path-io}:delete
+ when $path-io ~~ :!e {
+ %watched-dirs{$path-io.Str}:delete
}
}
+ }
+
+ sub add-dir(IO::Path $dir) {
+ my @todo = $dir;
+
+ while @todo {
+ my $next = @todo.shift;
- for $dir.dir {
- emit $_;
- when .e && .d {
- add-dir($_);
+ emit $next;
+
+ next unless $next ~~ :e & :r & :d;
+ start-watching($next);
+
+ for $next.dir {
+ emit $_;
+ when .e && .d {
+ @todo.push($_);
+ start-watching($_);
+ }
}
}
+
}
add-dir($path);
+ emit End;
}
}