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package AudioFile::Find; |
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use warnings; |
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use strict; |
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use File::Find::Rule; |
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use AudioFile::Info; |
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use List::MoreUtils qw( zip ); |
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use YAML 'LoadFile'; |
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=head1 NAME |
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AudioFile::Find - Finds audio files located on your system and maps them to L objects. |
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=cut |
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our $VERSION = '0.03'; |
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$VERSION = eval $VERSION; |
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=head1 SYNOPSIS |
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use AudioFile::Find; |
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my $finder = AudioFile::Find->new( 'some/dir' ); |
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# find everything |
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my @audiofiles = $finder->search(); |
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# specify a search directory |
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my @audiofiles = $finder->search( 'some/other/dir' ); |
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#same for genre, title, track, artist and album |
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my @audiofiles = $finder->search( artist => 'Seeed' ); |
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#search using a regex |
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my @audiofiles = $finder->search( 'some/other/dir', title => qr/Ding/ ); |
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# anonymous subroutine that returns true or false |
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my @audiofiles = $finder->search( 'some/other/dir', track => sub { return shift > 10; } ); |
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=head1 METHODS |
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=head2 new |
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Creates an object of this class. Takes an optional single argument which is the directory to search in. |
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=cut |
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sub new { |
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my ($class, $dir) = @_; |
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return bless { dir => $dir }, $class; |
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} |
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=head2 new |
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Sets and returns the directory to search. |
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=cut |
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sub dir { |
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my ($self, $dir) = @_; |
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$self->{dir} = $dir if defined $dir; |
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return $self->{dir}; |
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} |
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=head2 search |
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Starts the search and returns a hash of filenames as keys and AudioFile::Info-Objects as values. |
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You may specify a search directory as the first argument |
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and also pass a hash with search criteria. See the synopsis for details. |
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=cut |
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sub search { |
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my $self = shift; |
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my $dir = @_ % 2 == 0 ? '' : shift; |
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my $args = {@_}; |
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my %audio; |
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my @patterns = map { "*.$_" } $self->extensions; |
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for ( File::Find::Rule->file()->name( @patterns )->in( $dir || $self->dir || '.' ) ) |
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{ |
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my $info = AudioFile::Info->new($_); |
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$audio{$_} = $info |
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if $self->pass( $info, $args); |
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} |
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return %audio; |
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} |
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=head2 pass |
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Checks whether a given L object meets given criteria. |
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First argument is the L object, second argument is a reference to the criteria hash. |
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=cut |
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sub pass |
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{ |
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my ($self, $file, $criteria) = @_; |
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while ( my ($key, $criterium) = each %$criteria ) |
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{ |
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my $value = $file->$key; |
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if ( ref($criterium) eq "Regexp" ) |
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{ |
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return unless $value =~ $criterium; |
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} |
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elsif ( ref($criterium) eq "CODE" ) |
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{ |
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return unless $criterium->( $value ); |
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} |
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else |
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{ |
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return unless $value eq $criterium; |
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} |
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} |
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return 1; |
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} |
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=head2 extensions |
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Discovers the extensions that are supported by the installed L plugins. |
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=cut |
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sub extensions { |
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my ($self) = @_; |
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my $path = $INC{'AudioFile/Info.pm'}; |
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$path =~ s/Info.pm$/plugins.yaml/; |
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my $config = eval { LoadFile($path) } or return; |
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my @ext = keys %{ $config->{default} }; |
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return @ext; |
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} |
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1; |
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=head1 AUTHORS |
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=over |
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=item Markus, C<< >> |
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=item Joel Berger C |
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=back |
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=head1 SOURCE REPOSITORY |
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L |
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=head1 BUGS |
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Bugs may be reported to: |
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=over |
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=item L |
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=item L |
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=back |
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=head1 COPYRIGHT & LICENSE |
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Copyright 2008-2014 by Authors listed above, all rights reserved. |
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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=cut |
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