our %priorities=( "OR" => 0, "AND" => 1, "NOT" => 2 );
+our $PATH_ALLTRACKS="TRACKS";
+our $PATH_NOARTIST="NOARTIST";
+our $PATH_NOALBUM="NOALBUM";
+
sub new
{
my $proto=shift;
$self->{elements}=[];
$self->{db}=shift;
$self->{path}=shift;
+ $self->{verbose}=shift;
+ $self->{path} =~ s/\/\//\//g; # drop doubled slashes
+
$self->parse();
# print "STATE: ", $self->state(), "\n";
return $self;
{
my($self)=@_;
my @dents=();
+ my @fents=();
my $state=$self->state();
# print "DIRENTS: STATE: $state\n";
# print "DIRENTS: FILE: $self->{path}\n";
if($state==$STATE_ALL)
{
- push(@dents, qw(TRACKS NOARTIST), $self->artists());
+ @dents=($self->artists(), $PATH_ALLTRACKS, $PATH_NOARTIST);
}
elsif($state==$STATE_TAG || $state==$STATE_TAGVAL)
{
}
else
{
- push(@dents, qw(AND OR TRACKS NOARTIST), $self->artists());
+ @dents=($self->artists(), qw(AND OR), $PATH_ALLTRACKS, $PATH_NOARTIST);
}
}
elsif($state==$STATE_BOOLEAN)
{
+ @dents=$self->tags();
my $parent=$self->tail();
unless(defined($parent) &&
ref($parent) eq "ID3FS::PathElement::Boolean" &&
{
push(@dents, "NOT");
}
- push(@dents, $self->tags());
}
elsif($state==$STATE_ROOT)
{
- @dents=(qw(ALL NOT), $self->tags());
+ @dents=($self->tags(), qw(ALL NOT));
}
elsif($state==$STATE_ALBUMS)
{
- @dents=(qw(TRACKS NOALBUM),$self->albums());
+ @dents=($self->albums(), $PATH_ALLTRACKS, $PATH_NOALBUM);
}
elsif($state==$STATE_TRACKLIST)
{
- @dents=$self->tracks();
+ @fents=$self->tracks();
}
else
{
print "DIRENTS: UNHANDLED STATE: $state\n";
}
- return(@dents);
+ return(\@dents, \@fents);
}
sub parse
$self->state($STATE_INVALID);
}
}
- elsif($name eq "TRACKS")
+ elsif($name eq $PATH_ALLTRACKS)
{
$self->state($STATE_TRACKLIST);
}
- elsif($name eq "NOARTIST")
+ elsif($name eq $PATH_NOARTIST)
{
$self->state($STATE_TRACKLIST);
}
elsif($state==$STATE_ALBUMS)
{
# print "SM: ALBUM: $name\n";
- if($name eq "TRACKS")
+ if($name eq $PATH_ALLTRACKS)
{
$self->state($STATE_TRACKLIST);
}
- elsif($name eq "NOALBUM")
+ elsif($name eq $PATH_NOALBUM)
{
$self->state($STATE_TRACKLIST);
}
}
elsif($state==$STATE_ALL)
{
- if($name eq "TRACKS")
+ if($name eq $PATH_ALLTRACKS)
{
$self->state($STATE_TRACKLIST);
}
- elsif($name eq "NOARTIST")
+ elsif($name eq $PATH_NOARTIST)
{
+ # FIXME
$self->state($STATE_TRACKLIST);
}
else
}
}
- print "ROOT_NOT: $root_not TAGS_SEEN: $tags_seen\n";
if($root_not && ($tags_seen < 2))
{
$self->{bare_not}=1;
sub tags
{
my($self)=@_;
- if(!$self->{tagtree}) # / or /NOT
+ if(!$self->{tagtree}) # / or /NOT # FIXME: /ALL too?
{
my $sql="SELECT DISTINCT name FROM tags WHERE parents_id='';";
return($self->{db}->cmd_firstcol($sql));
$sql .= "WHERE " . join(' AND ', @andclauses) . "\n";
}
$sql .= "GROUP BY tags.name;";
- print "SQL(TAGS): $sql\n";
+ print "SQL(TAGS): $sql\n" if($self->{verbose});
my @tagnames=$self->{db}->cmd_firstcol($sql);
- print "SUBNAMES: ", join(', ', @tagnames), "\n";
+ print("SUBNAMES: ", join(', ', @tagnames), "\n") if($self->{verbose});
return(@tagnames);
}
"INNER JOIN artists ON files.artists_id=artists.id\n" .
"WHERE artists.name != ''\n" .
"GROUP BY artists.name;");
- print "SQL(ARTISTS): $sql\n";
+ print "SQL(ARTISTS): $sql\n" if($self->{verbose});
my @tagnames=$self->{db}->cmd_firstcol($sql);
- print "ARTISTS: ", join(', ', @tagnames), "\n";
+ print("ARTISTS: ", join(', ', @tagnames), "\n") if($self->{verbose});
return(@tagnames);
}
"WHERE albums.name != ''\n" .
"GROUP BY albums.name;");
}
- print "SQL(ALBUMS): \n$sql\n";
+ print "SQL(ALBUMS): \n$sql\n" if($self->{verbose});
my @names=$self->{db}->cmd_firstcol($sql);
- print "ALBUMS: ", join(', ', @names), "\n";
+ print("ALBUMS: ", join(', ', @names), "\n") if($self->{verbose});
return(@names);
}
"INNER JOIN artists ON artists.id=files.artists_id\n" .
"WHERE artists.id=? and albums.name <> ''\n" .
"GROUP BY albums.name\n");
- print "ARTIST_ALBUMS SQL: $sql\n";
+ print "ARTIST_ALBUMS SQL: $sql\n" if($self->{verbose});
my @albums=$self->{db}->cmd_firstcol($sql, $artist_id);
- print "ALBUMS: ", join(', ', @albums), "\n";
+ print("ALBUMS: ", join(', ', @albums), "\n") if($self->{verbose});
return(@albums);
}
"INNER JOIN albums ON albums.id=files.albums_id\n" .
"WHERE artists.id=? AND albums.name=''\n" .
"GROUP BY files.name\n");
- print "ARTIST_TRACKS SQL: $sql\n";
+ print "ARTIST_TRACKS SQL: $sql\n" if($self->{verbose});
my @names=$self->{db}->cmd_firstcol($sql, $artist_id);
- print "ARTISTTRACKS: ", join(', ', @names), "\n";
+ print("ARTISTTRACKS: ", join(', ', @names), "\n") if($self->{verbose});
return(@names);
}
"INNER JOIN artists ON artists.id=files.artists_id\n" .
"WHERE artists.id=? AND albums.id=?\n" .
"GROUP BY files.name\n");
- print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
+ print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n" if($self->{verbose});
my @names=$self->{db}->cmd_firstcol($sql, $artist_id, $album_id);
- print "TRACKS: ", join(', ', @names), "\n";
+ print("TRACKS: ", join(', ', @names), "\n") if($self->{verbose});
return(@names);
}
"INNER JOIN files ON files.id=subselect.files_id\n");
}
$sql .= "INNER JOIN artists ON files.artists_id=artists.id\n";
- if($self->{components}->[$#{$self->{components}}] eq "NOARTIST")
+ if($self->{components}->[$#{$self->{components}}] eq $PATH_NOARTIST)
{
$sql .= "WHERE artists.name =''\n";
}
$sql .= "GROUP BY files.name;";
- print "TRACKS SQL($self->{path}): $sql\n";
+ print "TRACKS SQL($self->{path}): $sql\n" if($self->{verbose});
my @names=$self->{db}->cmd_firstcol($sql);
- print "TRACKS: ", join(', ', @names), "\n";
+ print("TRACKS: ", join(', ', @names), "\n") if($self->{verbose});
return(@names);
}
"INNER JOIN paths ON files.paths_id=paths.id\n" .
"WHERE files.id=?\n" .
"GROUP BY paths.name, files.name");
- print "FILENAME SQL: $sql\n";
+ print "FILENAME SQL: $sql\n" if($self->{verbose});
my ($path, $name)=$self->{db}->cmd_onerow($sql, $id);
my $id3fs_path=join('/', map { $_->{name}; } @{$self->{elements}});
return($self->{db}->relativise($path, $name, $mountpoint, $id3fs_path));
sub tags_subselect
{
my($self)=@_;
+ my $hasvals=$self->tag_has_values();
# we need to specially handle a bare /NOT/tag with no other clauses,
# using a simple WHERE id !='tagid' instead of a LEFT JOIN
if($self->{bare_not})
return "\tSELECT id FROM files AS files_id\n";
}
my $tree=$self->{tagtree};
- my $hasvals=$self->tag_has_values();
my $parent=$self->trailing_tag_parent();
# print "ELEMENTS: ", join('/', map { $_->{name}; } @{$self->{elements}}), "\n";
# print "Trailing id: $tag\n";
}
my ($sqlclause, @joins)=(undef, ());
- ($sqlclause, @joins) = $tree->to_sql() if($tree);
+ ($sqlclause, @joins) = $tree->to_sql($hasvals) if($tree);
# print "SQL(" . scalar(@joins) .": $sqlclause\n";
my $sql="\tSELECT fxt1.files_id FROM tags t1";
my @crosses=();
my $sql=("SELECT p.name, t.name FROM tags t\n" .
"INNER JOIN tags p ON t.parents_id=p.id\n" .
"GROUP BY p.name, t.name\n");
- print "SQL: $sql\n";
+# print "SQL: $sql\n";
my $result=$self->{db}->cmd_rows($sql);
my $tags={};
for my $pair (@$result)
return $tags;
}
+
+sub filter
+{
+ my($self, @dirs)=@_;
+ my $base=$self->{path};
+ my @outdirs=();
+ # depth 4 to allow for tag/tagval/AND/NOT
+ my $maxdepth=4;
+ for my $dir (@dirs)
+ {
+# print "\nFILTER (",$self->state(), "): $base / $dir\n";
+ if($self->empty("$base/$dir", $maxdepth))
+ {
+# print "empty: $base / $dir\n";
+ }
+ else
+ {
+# print "non-empty, accepting: $base / $dir\n";
+ push(@outdirs, $dir);
+ }
+ }
+ return(@outdirs);
+}
+
+sub empty
+{
+ my($self, $dir, $maxdepth)=@_;
+ return 0 unless($maxdepth);
+# print "testing($maxdepth): $dir\n";
+ my $path=ID3FS::Path->new($self->{db}, $dir, $self->{verbose});
+# print "PATH INVALID\n" unless($path->isvalid());
+ return 1 unless($path->isvalid());
+ my($subdirs,$subfiles)=$path->dirents();
+# print "SUBDENTS: ", join(", ", @$subdirs, @$subfiles), "\n";
+# print("SUBFILES: ", join(', ', @$subfiles), "\n") if(@$subfiles);
+ return 0 if(@$subfiles);
+ for my $subdir (@$subdirs)
+ {
+# print "SUBSUB $dir/$subdir\n";
+ if(1) #$self->dir_is_special($subdir))
+ {
+ if($self->empty("$dir/$subdir", ($maxdepth-1)))
+ {
+# print "EMPTY: $dir / $subdir\n";
+ }
+ else
+ {
+# print "NONEMPTY: $dir / $subdir\n";
+ return 0;
+ }
+ }
+ else
+ {
+ return 0;
+ }
+# return 0 if($self->nonempty("$dir/$subdir", ($maxdepth-1)));
+ }
+ return 1;
+}
+
+sub tagname_has_values
+{
+ my($self, $name)=@_;
+ my $id=$self->{db}->lookup_id("tags", $name);
+ return 0 unless($id);
+ return $self->{db}->tag_has_values($id);
+
+}
+
+sub dir_is_special
+{
+ my($self, $dir)=@_;
+ if((grep { $_ eq $dir; }
+ qw(AND OR NOT), $PATH_ALLTRACKS, $PATH_NOARTIST, $PATH_NOALBUM) ||
+ ($self->tagname_has_values($dir)))
+ {
+ return 1;
+ }
+ return 0;
+}
+
1;
projects / id3fs.git / blobdiff