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1
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package MP3::M3U::Parser::Export; |
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2
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$MP3::M3U::Parser::Export::VERSION = '2.33'; |
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3
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7
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7
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54
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use strict; |
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7
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16
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7
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189
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4
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7
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7
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34
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use warnings; |
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7
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11
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7
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188
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5
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6
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7
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7
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33
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use Carp qw( croak ); |
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7
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13
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7
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303
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7
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7
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7
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2907
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use MP3::M3U::Parser::Constants; |
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7
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17
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7
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553
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8
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7
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7
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2886
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use MP3::M3U::Parser::Dummy; |
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7
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16
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7
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11202
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9
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10
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my %DEFAULT = ( |
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11
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format => 'html', |
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12
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filename => 'mp3_m3u%s.%s', |
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13
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encoding => 'ISO-8859-1', |
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14
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drives => 'on', |
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15
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overwrite => 0, |
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16
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toscalar => 0, |
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17
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); |
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18
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19
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sub export { |
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20
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7
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7
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1
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1740
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my($self, @args) = @_; |
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21
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7
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50
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52
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my %opt = @args % 2 ? () : @args; |
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22
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7
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33
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43
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my $format = $opt{'-format'} || $self->{expformat} || $DEFAULT{format }; |
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23
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7
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66
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62
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my $encoding = $opt{'-encoding'} || $self->{encoding} || $DEFAULT{encoding }; |
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24
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7
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33
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53
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my $drives = $opt{'-drives'} || $self->{expdrives} || $DEFAULT{drives }; |
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25
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7
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66
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80
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my $overwrite = $opt{'-overwrite'} || $self->{overwrite} || $DEFAULT{overwrite}; |
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26
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7
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33
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49
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my $to_scalar = $opt{'-toscalar'} || $self->{exptoscalar} || $DEFAULT{toscalar }; |
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27
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7
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66
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51
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my $file = $opt{'-file'} || $self->_default_filename( $format ); |
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28
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29
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7
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100
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43
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$file = $self->_locate_file($file) if ! $to_scalar; |
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30
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7
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100
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70
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my $OUTPUT = $format eq 'xml' |
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31
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? $self->_export_to_xml( $encoding ) |
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32
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: $self->_export_to_html( $encoding, $drives, $to_scalar, $file) |
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33
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; |
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34
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35
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7
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100
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35
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if ( $to_scalar ) { |
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36
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2
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5
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${$to_scalar} = $OUTPUT; |
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2
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5
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37
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} |
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38
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else { |
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39
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5
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55
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my $fh = $self->_check_export_params( $file, $to_scalar, $overwrite ); |
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40
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5
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50
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12
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print {$fh} $OUTPUT or croak "Can't print to FH: $!"; |
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5
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85
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41
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5
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30
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$fh->close; |
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42
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} |
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43
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44
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7
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341
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$self->{EXPORTF}++; |
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45
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7
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100
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47
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return $self if defined wantarray; |
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46
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4
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25
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return; |
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47
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} |
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48
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49
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sub _default_filename { |
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50
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2
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2
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9
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my($self, $format) = @_; |
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51
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2
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50
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7
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croak 'Export format is missing' if ! $format; |
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52
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2
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17
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return sprintf $DEFAULT{filename}, $self->{EXPORTF}, $format; |
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53
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} |
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54
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55
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sub _check_export_params { |
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56
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5
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5
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19
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my($self, $file, $to_scalar, $overwrite) = @_; |
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57
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5
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11
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my $fh; |
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58
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5
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0
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0
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19
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if ( $to_scalar && ( ! ref $to_scalar || ref $to_scalar ne 'SCALAR' ) ) { |
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33
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59
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0
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0
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croak '-toscalar must be a SCALAR reference'; |
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60
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} |
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61
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5
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50
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19
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if ( ! $to_scalar ) { |
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62
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5
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50
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33
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97
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if ( -e $file && ! $overwrite ) { |
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63
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0
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0
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croak "The export file '$file' exists & overwrite option is not set"; |
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64
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} |
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65
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5
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37
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require IO::File; |
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66
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5
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39
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$fh = IO::File->new; |
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67
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5
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50
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190
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$fh->open( $file, '>' ) |
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68
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or croak "I can't open export file '$file' for writing: $!"; |
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69
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} |
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70
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5
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664
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return $fh; |
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71
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} |
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72
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73
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sub _export_to_html { |
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74
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4
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4
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16
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my($self, $encoding, $drives, $to_scalar, $file) = @_; |
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75
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4
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9
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my $OUTPUT = EMPTY_STRING; |
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76
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# I don't think that weird numbers in the html mean anything |
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77
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# to anyone. So, if you didn't want to format seconds in your |
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78
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# code, I'm overriding it here (only for export(); Outside |
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79
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# export(), you'll get the old value): |
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80
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4
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11
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my $old_seconds = $self->{seconds}; |
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81
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4
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9
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$self->{seconds} = 'format'; |
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82
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4
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8
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my %t; |
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83
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4
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20
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@t{ qw( up cd data down ) } = split m{\Q\E}xms, |
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84
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$self->_template; |
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85
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4
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43
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foreach (keys %t) { |
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86
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16
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49
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$t{$_} = $self->_trim( $t{$_} ); |
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87
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} |
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88
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my $tmptime = $self->{TOTAL_TIME} ? $self->_seconds($self->{TOTAL_TIME}) |
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89
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4
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50
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30
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: undef; |
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90
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4
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16
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my @tmptime; |
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91
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92
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4
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50
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16
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if ($tmptime) { |
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93
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4
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16
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@tmptime = split m{:}xms,$tmptime; |
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94
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4
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50
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22
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unshift @tmptime, 'Z' if $#tmptime <= 1; |
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95
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} |
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96
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97
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my $average = $self->{AVERAGE_TIME} |
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98
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? $self->_seconds( $self->{AVERAGE_TIME} ) |
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99
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4
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50
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28
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: 'Unknown' |
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100
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; |
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101
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102
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my $HTML = { |
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103
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ENCODING => $encoding, |
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104
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SONGS => $self->{TOTAL_SONGS}, |
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105
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TOTAL => $self->{TOTAL_FILES}, |
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106
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AVERTIME => $average, |
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107
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FILE => $to_scalar ? EMPTY_STRING : $self->_locate_file($file), |
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108
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TOTAL_FILES => $self->{TOTAL_FILES}, |
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109
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4
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100
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31
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TOTAL_TIME => @tmptime ? [ @tmptime ] : EMPTY_STRING, |
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50
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110
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}; |
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111
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112
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4
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36
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$OUTPUT .= $self->_tcompile(template => $t{up}, params=> {HTML => $HTML}); |
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113
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4
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51
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my($song,$cdrom, $dlen); |
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114
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4
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13
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foreach my $cd (@{ $self->{'_M3U_'} }) { |
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4
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13
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115
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4
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50
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9
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next if($#{$cd->{data}} < 0); |
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4
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26
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116
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4
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50
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35
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$cdrom .= "$cd->{drive}\\" if $drives ne 'off'; |
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117
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4
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13
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$cdrom .= $cd->{list}; |
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118
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4
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41
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$OUTPUT .= sprintf $t{cd}."\n", $cdrom; |
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119
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4
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11
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foreach my $m3u (@{ $cd->{data} }) { |
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4
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13
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120
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43
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108
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$song = $m3u->[ID3]; |
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121
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43
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50
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91
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if ( ! $song ) { |
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122
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0
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0
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my @test_path = split /\\/xms, $m3u->[PATH]; |
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123
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0
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0
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0
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my $tp = pop @test_path || $m3u->[PATH]; |
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124
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0
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0
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my @test_file = split /\./xms, $song; |
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125
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0
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0
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0
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$song = $test_file[0] || $tp; |
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126
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} |
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127
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43
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50
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168
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$dlen = $m3u->[LEN] ? $self->_seconds($m3u->[LEN]) : ' '; |
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128
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43
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50
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165
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$song = $song ? $self->_escape($song) : ' '; |
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129
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$OUTPUT .= sprintf "%s\n", $self->_tcompile( |
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130
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template => $t{data}, |
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131
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43
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1076
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params => { |
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132
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data => { |
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133
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len => $dlen, |
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134
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song => $song, |
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135
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} |
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136
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} |
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137
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); |
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138
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} |
|
139
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4
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16
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$cdrom = EMPTY_STRING; |
|
140
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|
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} |
|
141
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4
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12
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$OUTPUT .= $t{down}; |
|
142
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4
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13
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$self->{seconds} = $old_seconds; # restore |
|
143
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4
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|
35
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return $OUTPUT; |
|
144
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|
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} |
|
145
|
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146
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sub _export_to_xml { |
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147
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3
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3
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11
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my($self, $encoding) = @_; |
|
148
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3
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8
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my $OUTPUT = EMPTY_STRING; |
|
149
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|
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$self->{TOTAL_TIME} = $self->_seconds($self->{TOTAL_TIME}) |
|
150
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3
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50
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|
19
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if $self->{TOTAL_TIME} > 0; |
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151
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3
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|
15
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$OUTPUT .= sprintf qq~\n~, $encoding; |
|
152
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$OUTPUT .= sprintf qq~\n~, |
|
153
|
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|
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$self->{TOTAL_FILES}, |
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154
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$self->{TOTAL_SONGS}, |
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155
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$self->{TOTAL_TIME}, |
|
156
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3
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20
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$self->{AVERAGE_TIME}; |
|
157
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3
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9
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my $sc = 0; |
|
158
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3
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|
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|
8
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foreach my $cd (@{ $self->{'_M3U_'} }) { |
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3
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13
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159
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3
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6
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$sc = $#{$cd->{data}}+1; |
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3
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9
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|
160
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3
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50
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|
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|
10
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next if ! $sc; |
|
161
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|
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|
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$OUTPUT .= sprintf qq~\n~, |
|
162
|
|
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|
|
$cd->{list}, |
|
163
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|
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|
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$cd->{drive}, |
|
164
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3
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|
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|
16
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$sc; |
|
165
|
3
|
|
|
|
|
6
|
foreach my $m3u (@{ $cd->{data} }) { |
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3
|
|
|
|
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10
|
|
|
166
|
42
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|
50
|
|
|
771
|
$OUTPUT .= sprintf qq~%s\n~, |
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|
|
|
50
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|
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|
167
|
|
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|
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$self->_escape( $m3u->[ID3] ) || EMPTY_STRING, |
|
168
|
|
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|
|
$m3u->[LEN] || EMPTY_STRING, |
|
169
|
|
|
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|
|
$self->_escape( $m3u->[PATH] ); |
|
170
|
|
|
|
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|
|
} |
|
171
|
3
|
|
|
|
|
56
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$OUTPUT .= "\n"; |
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172
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3
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9
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$sc = 0; |
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173
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} |
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174
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3
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8
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$OUTPUT .= "\n"; |
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175
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3
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11
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return $OUTPUT; |
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176
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} |
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177
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178
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# compile template |
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179
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sub _tcompile { |
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180
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47
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47
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157
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my($self, @args) = @_; |
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181
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47
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98
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my $class = ref $self; |
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182
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47
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50
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135
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croak 'Invalid number of parameters' if @args % 2; |
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183
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47
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3016
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require Text::Template; |
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184
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47
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14703
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my %opt = @args; |
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185
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my $t = Text::Template->new( |
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186
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TYPE => 'STRING', |
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187
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SOURCE => $opt{template}, |
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188
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47
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50
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193
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DELIMITERS => ['<%', '%>'], |
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189
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) or croak "Couldn't construct the template: $Text::Template::ERROR"; |
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190
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191
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47
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5859
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my @globals; |
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192
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47
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73
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foreach my $p ( keys %{ $opt{params} } ) { |
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47
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139
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193
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47
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107
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my $ref = ref $opt{params}->{$p}; |
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194
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47
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0
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106
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my $prefix = $ref eq 'HASH' ? q{%} |
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50
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195
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: $ref eq 'ARRAY' ? q{@} |
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196
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: q{$} |
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197
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; |
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198
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47
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167
|
push @globals, $prefix . $p; |
|
199
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} |
|
200
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201
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|
|
my $text = $t->fill_in(PACKAGE => $class . '::Dummy', |
|
202
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|
|
PREPEND => sprintf('use strict;use vars qw[%s];', |
|
203
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|
|
join q{ }, @globals ), |
|
204
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|
|
HASH => $opt{params}, |
|
205
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47
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50
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|
268
|
) or croak "Couldn't fill in template: $Text::Template::ERROR"; |
|
206
|
47
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|
44927
|
return $text; |
|
207
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|
|
} |
|
208
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209
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|
|
# HTML template code |
|
210
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|
|
sub _template { |
|
211
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3
|
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|
3
|
|
80
|
return <<'MP3M3UPARSERTEMPLATE'; |
|
212
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|
213
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|
|
"http://www.w3.org/TR/html4/loose.dtd"> |
|
214
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|
215
|
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|
216
|
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|
|
MP3::M3U::Parser Generated PlayList |
|
217
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|
218
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|
219
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|
|
content="text/html; charset=<%$HTML{ENCODING}%>"> |
|
220
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|
221
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|
273
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|
274
|
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|
275
|
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|
276
|
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|
277
|
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|
|
278
|
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|
|
279
|
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|
|
280
|
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|
|
281
|
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|
|
282
|
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|
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|
|
283
|
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|
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|
|
284
|
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|
|
|
|
|
|
285
|
|
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|
|
|
|
|
286
|
|
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|
|
|
|
|
287
|
|
|
|
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|
|
| | |
|
288
|
|
|
|
|
|
|
<%$HTML{SONGS}%> tracks and |
|
289
|
|
|
|
|
|
|
<%$HTML{TOTAL}%> Lists in playlist, |
|
290
|
|
|
|
|
|
|
average track length: |
|
291
|
|
|
|
|
|
|
<%$HTML{AVERTIME}%>. |
|
292
|
|
|
|
|
|
|
|
|
293
|
|
|
|
|
|
|
Playlist length: <% |
|
294
|
|
|
|
|
|
|
my $time; |
|
295
|
|
|
|
|
|
|
if ($HTML{TOTAL_TIME}) { |
|
296
|
|
|
|
|
|
|
my @time = @{$HTML{TOTAL_TIME}}; |
|
297
|
|
|
|
|
|
|
$time = qq~ $time[0] |
|
298
|
|
|
|
|
|
|
hours ~ if $time[0] ne 'Z'; |
|
299
|
|
|
|
|
|
|
$time .= qq~ |
|
300
|
|
|
|
|
|
|
$time[1] |
|
301
|
|
|
|
|
|
|
minutes |
|
302
|
|
|
|
|
|
|
$time[2] |
|
303
|
|
|
|
|
|
|
seconds. ~; |
|
304
|
|
|
|
|
|
|
} else { |
|
305
|
|
|
|
|
|
|
$time = qq~Unknown.~; |
|
306
|
|
|
|
|
|
|
} |
|
307
|
|
|
|
|
|
|
$time; |
|
308
|
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
%> |
|
310
|
|
|
|
|
|
|
<% |
|
311
|
|
|
|
|
|
|
qq~Right-click here |
|
312
|
|
|
|
|
|
|
to save this HTML file.~ if $HTML{FILE} |
|
313
|
|
|
|
|
|
|
%> |
|
314
|
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
| |
|
317
|
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
|
|
320
|
|
|
|
|
|
|
<% |
|
321
|
|
|
|
|
|
|
$HTML{TOTAL_FILES} > 1 ? "Playlists and Files" : "Playlist files"; |
|
322
|
|
|
|
|
|
|
%>: |
|
323
|
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
|
|
333
|
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
|
|
335
|
|
|
|
|
|
|
This HTML File is based on |
|
336
|
|
|
|
|
|
|
WinAmp`s HTML List. |
|
337
|
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
|
|
339
|
|
|
|
|
|
|
MP3M3UPARSERTEMPLATE |
|
340
|
|
|
|
|
|
|
} |
|
341
|
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
1; |
|
343
|
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
__END__ |