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package String::TtyLength; |
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$String::TtyLength::VERSION = '0.01_06'; # TRIAL |
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$String::TtyLength::VERSION = '0.0106';use 5.006; |
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use strict; |
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use warnings; |
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931
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use parent 'Exporter'; |
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use Unicode::EastAsianWidth 12.0; |
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2326
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our @EXPORT_OK = qw/ tty_length tty_width /; |
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my $cursor_position = qr/\e\[[0-9]+;[0-9]+[Hf]/; |
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my $cursor_movement = qr/\e\[[0-9]+[ABCD]/; |
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my $save_restore_cursor = qr/\e\[[su]/; |
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my $clear_screen = qr/\e\[2J/; |
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my $erase_line = qr/\e\[K/; |
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my $graphics_mode = qr/\e\[[0-9]+(;[0-9]+)*m/; |
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my $ansi_code = qr/ |
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( |
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$cursor_position |
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| $cursor_movement |
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| $save_restore_cursor |
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| $clear_screen |
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| $erase_line |
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| $graphics_mode |
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) |
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/x; |
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sub tty_length |
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{ |
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my $string = shift; |
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return length(_remove_ansi_codes($string)); |
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} |
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sub tty_width |
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{ |
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7852
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my $string = _remove_ansi_codes(shift); |
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my $width = length($string); |
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2
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2
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1163
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$width++ while $string =~ /\p{InFullwidth}/msg; |
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return $width; |
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} |
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# might make this an exportable function |
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# as well, but not sure what the right name is :-) |
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sub _remove_ansi_codes |
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{ |
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my $string = shift; |
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$string =~ s/$ansi_code//mosg; |
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return $string; |
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} |
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1; |
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__END__ |