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package DateTime::Format::EXIF; |
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$DateTime::Format::EXIF::VERSION = '0.002'; |
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92659
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use strict; |
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use warnings; |
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# ABSTRACT: DateTime parser for EXIF timestamps |
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sub _make_regex { |
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my $date_re = '(\d{4}) : (\d{2}) : (\d{2})'; |
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my $time_re = '(\d{2}) : (\d{2}) : (\d{2} (?: \. \d{1,9})?)'; |
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my $tz_re = '(Z | [\+\-] \d{2} : \d{2})'; |
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return qr/^ $date_re \s $time_re $tz_re? $/xms; |
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} |
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use DateTime::Format::Builder ( |
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parsers => { |
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parse_datetime => [ |
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{ |
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params => [ qw( year month day hour minute second time_zone ) ], |
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regex => _make_regex(), |
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postprocess => \&_postprocess, |
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}, |
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], |
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}, |
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sub _postprocess { |
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my %args = @_; |
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my ($date, $p) = @args{qw( input parsed )}; |
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# timezone |
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if (!$p->{time_zone}) { |
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$p->{time_zone} = 'floating'; |
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} |
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elsif ($p->{time_zone} eq 'Z') { |
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$p->{time_zone} = 'UTC'; |
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} |
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# nanoseconds |
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my ($s, $fs) = split /(?=\.)/x => $p->{second}; |
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$p->{second} = $s; |
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$p->{nanosecond} = int($fs * 1e9) if $fs; |
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return $date; |
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} |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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DateTime::Format::EXIF - DateTime parser for EXIF timestamps |
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=head1 VERSION |
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version 0.002 |
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=head1 SYNOPSIS |
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use Image::ExifTool; |
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use DateTime::Format::EXIF; |
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my $image_info = Image::ExifTool::ImageInfo("example.jpg"); |
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my $dt = DateTime::Format::EXIF->parse_datetime($image_info->{DateTimeOriginal}); |
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=head1 DESCRIPTION |
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DateTime parser for EXIF timestamps |
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=head1 AUTHOR |
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liosha <liosha@cpan.org> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2019 by liosha. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |