extract progress code in a new MDV::Draklive::Progress object

1 files changed, 31 insertions, 0 deletions

diff --git a/lib/MDV/Draklive/Progress.pm b/lib/MDV/Draklive/Progress.pm
new file mode 100644
index 0000000..128ffe3
--- /dev/null
+++ b/lib/MDV/Draklive/Progress.pm
@@ -0,0 +1,31 @@
+package MDV::Draklive::Progress;
+
+use POSIX qw(strftime);
+
+sub new {
+    my ($class, $total, $time, $o_exp_divide) = @_;
+    bless {
+        total => $total,
+        current => 0,
+        start_time => $time,
+        exp_divide => $o_exp_divide,
+        maxl => length($total) - $o_exp_divide,
+    }, $class;
+}
+
+sub show {
+    my ($progress, $time) = @_;
+    my $elapsed_time = $time - $progress->{start_time};
+    my $eta = $progress->{current} ? int($elapsed_time*$progress->{total}/$progress->{current}) : -1;
+    printf("\r%3d%% (%$progress->{maxl}s/%-$progress->{maxl}s), %8s/%8s (ETA)",
+           int(100*$progress->{current}/$progress->{total}),
+           (map { substr($_, 0, length($_)-$progress->{exp_divide}) } $progress->{current}, $progress->{total}),
+           (map { POSIX::strftime("%H:%M:%S", gmtime($_)) } $elapsed_time, $eta));
+}
+
+sub end {
+    my ($_progress) = @_;
+    print "\n";
+}
+
+1;