5 use ID3FS::PathElement::Artist;
6 use ID3FS::PathElement::Album;
7 use ID3FS::PathElement::Boolean;
8 use ID3FS::PathElement::File;
9 use ID3FS::PathElement::Tag;
10 use ID3FS::PathElement::Tagval;
12 our ($STATE_INVALID, $STATE_ROOT, $STATE_TAG, $STATE_TAGVAL,
13 $STATE_BOOLEAN, $STATE_ALBUMS, $STATE_TRACKLIST,
19 my $class=ref($proto) || $proto;
26 # print "STATE: ", $self->state(), "\n";
33 if(($self->state() == $STATE_FILE) ||
34 ($self->state() == $STATE_INVALID))
44 return 1 if($self->state() == $STATE_FILE);
51 return($self->state() != $STATE_INVALID);
57 if($self->state() == $STATE_FILE)
59 return $self->{db}->filename(@{$self->{elements}});
61 return "ERROR"; #should never happen?
68 my $state=$self->state();
69 # print "DIRENTS: STATE: $state\n";
70 if($state==$STATE_TAG || $state==$STATE_TAGVAL)
72 my $tag=$self->{elements}->[$#{$self->{elements}}];
73 if($state==$STATE_TAG &&
75 ref($tag) eq "ID3FS::PathElement::Tag" &&
76 $self->{db}->tag_has_values($tag->{id}))
78 @dents=$self->{db}->tag_values($tag->{id});
82 @dents=(qw(AND OR ALLTRACKS),
83 $self->{db}->artists(@{$self->{elements}}));
86 elsif($state==$STATE_BOOLEAN)
88 @dents=("NOT", $self->{db}->tags(@{$self->{elements}}));
90 elsif($state==$STATE_ROOT)
92 @dents=(qw(ALL NOT), $self->{db}->tags(@{$self->{elements}}));
94 elsif($state==$STATE_ALBUMS)
96 @dents=("TRACKS", $self->{db}->albums(@{$self->{elements}}));
98 elsif($state==$STATE_TRACKLIST)
100 @dents=$self->{db}->tracks(@{$self->{elements}});
104 print "DIRENTS: UNHANDLED STATE: $state\n";
112 @{$self->{components}}=split(/\//, $self->{path});
113 shift @{$self->{components}}; # drop empty field before leading /
114 # print "PATH: $self->{path}\n";
115 $self->state($STATE_ROOT);
116 return if($self->{path} eq "/");
117 my @parts=@{$self->{components}};
119 $self->{elements}=[];
120 while(my $name=shift @parts)
122 # print "NAME: $name\n";
123 my $state=$self->state();
124 if($state==$STATE_INVALID)
126 # print "SM: INVALID: $name\n";
129 elsif($state==$STATE_ROOT)
131 # print "SM: ROOT: $name\n";
134 $self->state($STATE_TAG);
136 elsif($name eq "NOT")
138 $self->state($STATE_BOOLEAN);
142 $tag=ID3FS::PathElement::Tag->new($self->{db}, $name);
145 push(@{$self->{elements}}, $tag);
146 $self->state($STATE_TAG);
150 $self->state($STATE_INVALID);
154 elsif($state==$STATE_TAG || $state==$STATE_TAGVAL)
156 # print "SM: TAG/TAGVAL($state): $name\n";
157 my $tag=$self->{elements}->[$#{$self->{elements}}];
158 if($state==$STATE_TAG &&
160 ref($tag) eq "ID3FS::PathElement::Tag" &&
161 $self->{db}->tag_has_values($tag->{id}))
163 my $tagval=ID3FS::PathElement::Tagval->new($name);
166 $self->state($STATE_TAGVAL);
168 push(@{$self->{elements}}, $tagval);
172 $self->state($STATE_INVALID);
175 elsif($name eq "ALLTRACKS")
177 $self->state($STATE_TRACKLIST);
179 elsif($name eq "AND")
181 $self->state($STATE_BOOLEAN);
182 # push(@{$self->{elements}}, ID3FS::PathElement::Boolean->new($name));
186 $self->state($STATE_BOOLEAN);
187 # push(@{$self->{elements}}, ID3FS::PathElement::Boolean->new($name));
191 my $artist=ID3FS::PathElement::Artist->new($self->{db}, $name);
194 push(@{$self->{elements}}, $artist);
195 $self->state($STATE_ALBUMS);
199 $self->state($STATE_INVALID);
203 elsif($state==$STATE_BOOLEAN)
205 # print "SM: BOOLEAN: $name\n";
208 $self->state($STATE_BOOLEAN);
212 my $tag=ID3FS::PathElement::Tag->new($self->{db}, $name);
215 push(@{$self->{elements}}, $tag);
216 $self->state($STATE_TAG);
220 $self->state($STATE_INVALID);
224 elsif($state==$STATE_ALBUMS)
226 # print "SM: ALBUM: $name\n";
227 if($name eq "TRACKS")
229 $self->state($STATE_TRACKLIST);
233 my $album=ID3FS::PathElement::Album->new($self->{db}, $name);
236 push(@{$self->{elements}}, $album);
237 $self->state($STATE_TRACKLIST);
241 $self->state($STATE_INVALID);
245 elsif($state==$STATE_TRACKLIST)
247 # print "SM: TRACKLIST: $name\n";
248 my $track=ID3FS::PathElement::File->new($self->{db}, $name);
249 push(@{$self->{elements}}, $track);
252 push(@{$self->{elements}}, $track);
253 $self->state($STATE_FILE);
257 $self->state($STATE_INVALID);
260 elsif($state==$STATE_FILE)
262 # print "SM: FILE: $name\n";
263 # Can't have anything after a filename
264 $self->state($STATE_INVALID);
268 print "SM: ERROR: UNKNOWN STATE: $self->{state}\n";
269 $self->state($STATE_INVALID);
276 my($self, $newstate)=@_;
277 $self->{state}=$newstate if(defined($newstate));
278 return $self->{state};