81 lines
1.9 KiB
Perl
81 lines
1.9 KiB
Perl
package StatusLine;
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use strict; use warnings;
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# enable autoflush on STDOUT.
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# this is essential, because we print our statuslines without a newline
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$| = 1;
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use Exporter 'import';
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our @EXPORT = qw/status_init status status_completed/;
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my $ansi_clear_line = "\033[2K";
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my $ansi_save_cursor = "\0337";
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my $ansi_restore_cursor = "\0338";
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my %ansi_line_upwards;
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my $tests_total;
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sub noninteractive {
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# CONTINUOUS_INTEGRATION gets set when running under Travis, see
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# https://docs.travis-ci.com/user/ci-environment/ and
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# https://github.com/travis-ci/travis-ci/issues/1337
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return (! -t STDOUT) || (
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defined($ENV{CONTINUOUS_INTEGRATION}) &&
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$ENV{CONTINUOUS_INTEGRATION} eq 'true');
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}
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# setup %ansi_line_upwards to map all working displays to the
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# specific movement commands and initialize all status lines
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sub status_init {
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my %args = @_;
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my $displays = $args{displays};
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$tests_total = $args{tests};
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return if noninteractive();
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for my $n (1 .. @$displays) {
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# since we are moving upwards, get $display in reverse order
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my $display = $displays->[-$n];
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$ansi_line_upwards{$display} = "\033[$n\101";
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# print an empty line for this status line
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print "\n";
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}
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status_completed(0);
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}
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# generates the status text, prints it in the appropriate line
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# and returns it, so it can be used in conjunction with C<Log()>
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sub status {
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my ($display, $msg) = @_;
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my $status = "[$display] $msg";
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return $status if noninteractive();
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print
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$ansi_save_cursor,
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$ansi_line_upwards{$display},
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$ansi_clear_line,
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$status,
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$ansi_restore_cursor;
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return $status;
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}
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sub status_completed {
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my $num = shift;
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return if noninteractive();
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print
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$ansi_save_cursor,
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$ansi_clear_line,
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"completed $num of $tests_total tests",
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$ansi_restore_cursor;
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}
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__PACKAGE__ __END__
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