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package Template::Plugin::Filter::VisualTruncate::UTF8; |
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use warnings; |
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use strict; |
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use base qw( Template::Plugin::Filter ); |
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use Text::VisualWidth::UTF8; |
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sub new { |
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my $class = shift; |
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my $self = {}; |
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bless $self, $class; |
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return $self; |
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} |
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sub width { |
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shift; |
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Text::VisualWidth::UTF8::width(@_); |
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} |
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sub trim { |
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shift; |
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my $before_flag = utf8::is_utf8($_[0]); |
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my $truncated = Text::VisualWidth::UTF8::trim(@_); |
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my $after_flag = utf8::is_utf8($truncated); |
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unless ($before_flag == $after_flag) { |
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if ($before_flag) { |
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utf8::decode($truncated); |
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} |
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else { |
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utf8::encode($truncated); |
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} |
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} |
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$truncated; |
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} |
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1; |