|  line  | 
 stmt  | 
 bran  | 
 cond  | 
 sub  | 
 pod  | 
 time  | 
 code  | 
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1
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 #! perl  | 
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2
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3
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5
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5
  
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3308
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 use strict;  | 
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5
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11
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    | 
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5
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279
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    | 
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4
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5
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5
  
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31
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 use warnings;  | 
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5
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9
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5
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447
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5
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| 
6
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 package Music::ChordBot::Opus::Section;  | 
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7
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8
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 =head1 NAME  | 
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9
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    | 
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10
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 Music::ChordBot::Opus::Section - ChordBot song section.  | 
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11
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12
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 =cut  | 
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13
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14
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 our $VERSION = 0.01;  | 
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15
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16
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5
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5
  
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28
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 use parent 'Music::ChordBot::Opus::Base';  | 
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5
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17
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    | 
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5
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39
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    | 
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17
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    | 
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18
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5
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5
  
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3251
 | 
 use Music::ChordBot::Opus::Section::Chord;  | 
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5
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12
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5
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137
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    | 
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19
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5
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5
  
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2797
 | 
 use Music::ChordBot::Opus::Section::Style;  | 
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5
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11
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5
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2038
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    | 
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20
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21
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 =head1 SYNOPSIS  | 
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22
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| 
23
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     use Music::ChordBot::Opus::Section;  | 
| 
24
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     my $sect = Music::ChordBot::Opus::Section->new;  | 
| 
25
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     $sect->name("First movement");  | 
| 
26
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     $sect->set_style("Kubiac");  | 
| 
27
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     $sect->add_chord(...);  | 
| 
28
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     $sect->add_chord(...);  | 
| 
29
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    | 
| 
30
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 =cut  | 
| 
31
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| 
32
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 #### TODO: Repeat sections.  | 
| 
33
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 #  | 
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34
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 # A repeat section has a name, optionally a style, and no chords. The  | 
| 
35
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 # field 'repeat' contains the index of the original section that is to  | 
| 
36
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 # be repeated. This can be tricky when inserting/deleting sections.  | 
| 
37
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    | 
| 
38
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 =head1 METHODS  | 
| 
39
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    | 
| 
40
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 =head2 new [ args ]  | 
| 
41
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    | 
| 
42
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 Creates a new Music::ChordBot::Opus::Section object.  | 
| 
43
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    | 
| 
44
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 Initial attributes may be passed as a hash.  | 
| 
45
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    | 
| 
46
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 Attributes:  | 
| 
47
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    | 
| 
48
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 =over 4  | 
| 
49
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    | 
| 
50
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 =item name  | 
| 
51
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    | 
| 
52
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 The name of the section.  | 
| 
53
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    | 
| 
54
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 =item chords  | 
| 
55
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    | 
| 
56
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 An arrayref containing Music::ChordBot::Opus::Section::Chord objects,  | 
| 
57
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 more commonly known as 'chords',  | 
| 
58
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    | 
| 
59
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 =item style  | 
| 
60
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    | 
| 
61
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 A hashref representing the attributes of a style. See  | 
| 
62
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 L.  | 
| 
63
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    | 
| 
64
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 =cut  | 
| 
65
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    | 
| 
66
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 sub new {  | 
| 
67
 | 
6
 | 
 
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 | 
  
6
  
 | 
  
1
  
 | 
31
 | 
     my $pkg = shift;  | 
| 
68
 | 
6
 | 
 
 | 
 
 | 
 
 | 
 
 | 
69
 | 
     my $data = { name => "Section 1",  | 
| 
69
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 		 chords => [],  | 
| 
70
 | 
 
 | 
 
 | 
 
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 | 
 
 | 
 		 style => { chorus => 4, reverb => 8,  | 
| 
71
 | 
 
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 | 
 			    tracks => [ { volume => 7, id => 95 } ] },  | 
| 
72
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 | 
 		 @_ };  | 
| 
73
 | 
6
 | 
 
 | 
 
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 | 
32
 | 
     bless { data => $data }, $pkg;  | 
| 
74
 | 
 
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 | 
 }  | 
| 
75
 | 
 
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    | 
| 
76
 | 
 
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 | 
 
 | 
 
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 | 
 
 | 
 =head2 name [ I ]  | 
| 
77
 | 
 
 | 
 
 | 
 
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 | 
 
 | 
    | 
| 
78
 | 
 
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 | 
 Sets or gets the name of the section.  | 
| 
79
 | 
 
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    | 
| 
80
 | 
 
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 | 
 =cut  | 
| 
81
 | 
 
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    | 
| 
82
 | 
2
 | 
 
 | 
 
 | 
  
2
  
 | 
  
1
  
 | 
26
 | 
 sub name { shift->_setget( "name", @_ ) }  | 
| 
83
 | 
 
 | 
 
 | 
 
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 | 
 
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 | 
    | 
| 
84
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head2 add_chord I  | 
| 
85
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
86
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 Adds a chord to the section.  | 
| 
87
 | 
 
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 | 
 
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 | 
 
 | 
    | 
| 
88
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 I must be a Music::ChordBot::Opus::Section::Chord object, or a  | 
| 
89
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 string denoting a chord, e.g. "C Maj 4". For convenience, the three  | 
| 
90
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 elements may also be passed separately, e.g., C
 | 
| 
91
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 4)>.  | 
| 
92
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
93
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 A bass note can be specified by adding the note to the key, separated  | 
| 
94
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 by a slash, e.g., C<"C/B">.  | 
| 
95
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
96
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =cut  | 
| 
97
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
98
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 sub add_chord {  | 
| 
99
 | 
52
 | 
 
 | 
 
 | 
  
52
  
 | 
  
1
  
 | 
73
 | 
     my ( $self, $chord ) = @_;  | 
| 
100
 | 
52
 | 
 
 | 
 
 | 
 
 | 
 
 | 
69
 | 
     my $ok = 0;  | 
| 
101
 | 
52
 | 
 
 | 
 
 | 
 
 | 
 
 | 
65
 | 
     eval { push( @{$self->{data}->{chords}}, $chord->{data} ); $ok = 1 };  | 
| 
 
 | 
52
 | 
 
 | 
 
 | 
 
 | 
 
 | 
57
 | 
    | 
| 
 
 | 
52
 | 
 
 | 
 
 | 
 
 | 
 
 | 
551
 | 
    | 
| 
 
 | 
4
 | 
 
 | 
 
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 | 
 
 | 
7
 | 
    | 
| 
102
 | 
52
 | 
  
100
  
 | 
 
 | 
 
 | 
 
 | 
173
 | 
     return if $ok;  | 
| 
103
 | 
48
 | 
 
 | 
 
 | 
 
 | 
 
 | 
52
 | 
     shift;  | 
| 
104
 | 
48
 | 
 
 | 
 
 | 
 
 | 
 
 | 
50
 | 
     push( @{$self->{data}->{chords}},  | 
| 
 
 | 
48
 | 
 
 | 
 
 | 
 
 | 
 
 | 
240
 | 
    | 
| 
105
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 	  Music::ChordBot::Opus::Section::Chord->new(@_)->data );  | 
| 
106
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
107
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
108
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 sub chords {  | 
| 
109
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
     wantarray  | 
| 
110
 | 
0
 | 
  
  0
  
 | 
 
 | 
  
0
  
 | 
  
1
  
 | 
0
 | 
       ? @{ $_[0]->{data}->{chords} }  | 
| 
 
 | 
0
 | 
 
 | 
 
 | 
 
 | 
 
 | 
0
 | 
    | 
| 
111
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
       : $_[0]->{data}->{chords};  | 
| 
112
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
113
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
114
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =head2 no_style  | 
| 
115
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
116
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 A newly created Music::ChordBot::Opus::Section object has a default  | 
| 
117
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 style associated. Calling this method removes the style from the  | 
| 
118
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 section.  | 
| 
119
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
120
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 =cut  | 
| 
121
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
122
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 sub no_style {  | 
| 
123
 | 
0
 | 
 
 | 
 
 | 
  
0
  
 | 
  
1
  
 | 
0
 | 
     delete $_[0]->{data}->{style};  | 
| 
124
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 }  | 
| 
125
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
 
 | 
    | 
| 
126
 | 
 
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 | 
 
 | 
 =head2 set_style [ I |