escape results from the CPAN

App-MusicExpo

	my %data = (
		format => 'Opus',
		title => $tags->query('TITLE'),
		artist => $tags->query('ARTIST'),
		year => $tags->query('DATE'),
		album => $tags->query('ALBUM'),
		tracknumber => $tags->query('TRACKNUMBER'),
		tracktotal => $tags->query('TRACKTOTAL'),
		genre => $tags->query('GENRE'),
		file => scalar fileparse $file
	);

	freeze \%data;
}

my @optional_modules = (
	[ 'Audio::FLAC::Header', \&flacinfo, '.flac' ],
	[ 'MP3::Info', \&mp3info, '.mp3' ],
	[ 'Ogg::Vorbis::Header::PurePerl', \&vorbisinfo, '.ogg', '.oga' ],
	[ 'MP4::Info', \&mp4info, '.mp4', '.aac', '.m4a' ],
	[ 'Audio::Opusfile', \&opusinfo, '.opus' ]
);

my %info;

for (@optional_modules) {
	my ($module, $coderef, @extensions_handled) = @$_;
	if (eval "require $module") {
		$info{$_} = $coderef for @extensions_handled
	}
}

unless (%info) {
	warn 'No tags-reading module detected. Install one of the following modules: ' . join ', ', map { $_->[0] } @optional_modules;
}

sub normalizer{
	"$_[0]|".(stat $_[0])[9]
}

sub make_fragment{ join '-', map { lc =~ y/a-z0-9/_/csr } @_ }

sub extensions_handled { keys %info }

sub run {
	if ($cache) {
		tie my %cache, 'DB_File', $cache, O_RDWR|O_CREAT, 0644; ## no critic (ProhibitTie)
		$info{$_} = memoize $info{$_}, INSTALL => undef, NORMALIZER => \&normalizer, LIST_CACHE => 'FAULT', SCALAR_CACHE => [HASH => \%cache] for keys %info;
	}

	my %files;
	for my $file (@ARGV) {
		my ($basename, undef, $suffix) = fileparse $file, keys %info;
		next unless $suffix;
		$files{$basename} //= [];
		push @{$files{$basename}}, thaw scalar $info{$suffix}->($file);
	}

	my $ht=HTML::Template::Compiled->new(
		default_escape => 'HTML',
		global_vars => 2,
		$template eq '' ? (scalarref => \$default_template) : (filename => $template),
	);

	my @files;
	for (sort keys %files) {
		my @versions = @{$files{$_}};
		my %entry = (formats => [], map { $_ => '?' } qw/title artist year album tracknumber tracktotal genre/);
		for my $ver (@versions) {
			push @{$entry{formats}}, {format => $ver->{format}, file => $ver->{file}};
			for my $key (keys %$ver) {
				$entry{$key} = $ver->{$key} if $ver->{$key} && $ver->{$key} ne '?';
			}
		}
		delete $entry{$_} for qw/format file/;
		$entry{fragment} = make_fragment @entry{qw/artist title/};
		push @files, \%entry
	}

	@files = sort { $a->{title} cmp $b->{title} } @files;
	$ht->param(files => \@files, prefix => $prefix);
	print $ht->output; ## no critic (RequireCheckedSyscalls)
}

$default_template = <<'HTML';
<!DOCTYPE html>
<title>Music</title>
<meta charset="utf-8">
<link rel="stylesheet" href="musicexpo.css">
<script async defer type="application/javascript" src="player.js"></script>

<div id="player"></div>

<table border>
<thead>
<tr><th>Title<th>Artist<th>Album<th>Genre<th>Track<th>Year<th>Type
<tbody><tmpl_loop files>
<tr><td class="title"><a href="#<tmpl_var fragment>" data-hash="#<tmpl_var fragment>"><tmpl_var title></a><td class="artist"><tmpl_var artist><td class="album"><tmpl_var album><td class="genre"><tmpl_var genre><td class="track"><tmpl_var tracknumber>...
</table>
HTML

1;

__END__

=encoding utf-8

=head1 NAME

App::MusicExpo - script which generates a HTML table of music tags

=head1 SYNOPSIS

  use App::MusicExpo;
  App::MusicExpo->run;

=head1 DESCRIPTION

App::MusicExpo creates a HTML table from a list of songs.
( run in 2.633 seconds using v1.01-cache-2.11-cpan-5a3173703d6 )