merge PathElement::* into Path::Node
[id3fs.git] / lib / ID3FS / Path.pm
index 96fd323..4947256 100644 (file)
@@ -2,12 +2,6 @@ package ID3FS::Path;
 
 use strict;
 use warnings;
-use ID3FS::PathElement::Artist;
-use ID3FS::PathElement::Album;
-use ID3FS::PathElement::Boolean;
-use ID3FS::PathElement::File;
-use ID3FS::PathElement::Tag;
-use ID3FS::PathElement::Tagval;
 use ID3FS::Path::Node;
 
 our ($STATE_INVALID, $STATE_ROOT, $STATE_TAG, $STATE_TAGVAL,
@@ -88,7 +82,7 @@ sub dirents
     elsif($state==$STATE_TAG || $state==$STATE_TAGVAL)
     {
        if($state==$STATE_TAG && $self->at("tag") &&
-          $self->{db}->tag_has_values($self->tail()->{id}))
+          $self->{db}->tag_has_values($self->tail()->id()))
        {
            @dents=$self->tags();
        }
@@ -166,12 +160,12 @@ sub parse
            elsif($name eq "NOT")
            {
                $root_not=1;
-               push(@{$self->{elements}}, ID3FS::PathElement::Boolean->new($self->{db}, $name));
+               push(@{$self->{elements}}, ID3FS::Path::Node->new($self->{db}, "boolean", $name));
                $self->state($STATE_BOOLEAN);
            }
            else
            {
-               $tag=ID3FS::PathElement::Tag->new($self->{db}, $name);
+               $tag=ID3FS::Path::Node->new($self->{db},"tag", $name);
                if($tag)
                {
                    push(@{$self->{elements}}, $tag);
@@ -189,10 +183,10 @@ sub parse
            my $tag=$self->tail();
 #          print "SM: TAG/TAGVAL($state): $name\n";
            if($state==$STATE_TAG && $self->is("tag", $tag) &&
-              $self->{db}->tag_has_values($tag->{id}))
+              $self->{db}->tag_has_values($tag->id()))
            {
-#              print "Parsing: parent: $tag->{id}\n";
-               my $tagval=ID3FS::PathElement::Tag->new($self->{db}, $name, $tag->{id});
+#              print "Parsing: parent: $tag->id()\n";
+               my $tagval=ID3FS::Path::Node->new($self->{db}, "tag", $name, $tag->id());
                if(defined($tagval))
                {
                    $self->state($STATE_TAGVAL);
@@ -215,16 +209,16 @@ sub parse
            elsif($name eq "AND")
            {
                $self->state($STATE_BOOLEAN);
-               push(@{$self->{elements}}, ID3FS::PathElement::Boolean->new($self->{db}, $name));
+               push(@{$self->{elements}}, ID3FS::Path::Node->new($self->{db}, "boolean", $name));
            }
            elsif($name eq "OR")
            {
                $self->state($STATE_BOOLEAN);
-               push(@{$self->{elements}}, ID3FS::PathElement::Boolean->new($self->{db}, $name));
+               push(@{$self->{elements}}, ID3FS::Path::Node->new($self->{db}, "boolean", $name));
            }
            else
            {
-               my $artist=ID3FS::PathElement::Artist->new($self->{db}, $name);
+               my $artist=ID3FS::Path::Node->new($self->{db}, "artist", $name);
                if($artist)
                {
                    push(@{$self->{elements}}, $artist);
@@ -249,11 +243,11 @@ sub parse
            if($allownot && $name eq "NOT")
            {
                $self->state($STATE_BOOLEAN);
-               push(@{$self->{elements}}, ID3FS::PathElement::Boolean->new($self->{db}, $name));
+               push(@{$self->{elements}}, ID3FS::Path::Node->new($self->{db}, "boolean", $name));
            }
            else
            {
-               my $tag=ID3FS::PathElement::Tag->new($self->{db}, $name);
+               my $tag=ID3FS::Path::Node->new($self->{db}, "tag", $name);
                if($tag)
                {
                    push(@{$self->{elements}}, $tag);
@@ -279,7 +273,7 @@ sub parse
            }
            else
            {
-               my $album=ID3FS::PathElement::Album->new($self->{db}, $name);
+               my $album=ID3FS::Path::Node->new($self->{db}, "album", $name);
                if($album)
                {
                    push(@{$self->{elements}}, $album);
@@ -294,7 +288,7 @@ sub parse
        elsif($state==$STATE_TRACKLIST)
        {
 #          print "SM: TRACKLIST: $name\n";
-           my $track=ID3FS::PathElement::File->new($self->{db}, $name);
+           my $track=ID3FS::Path::Node->new($self->{db}, "file", $name);
            if($track)
            {
                push(@{$self->{elements}}, $track);
@@ -323,7 +317,7 @@ sub parse
            }
            else
            {
-               my $artist=ID3FS::PathElement::Artist->new($self->{db}, $name);
+               my $artist=ID3FS::Path::Node->new($self->{db}, "artist", $name);
                if($artist)
                {
                    push(@{$self->{elements}}, $artist);
@@ -358,8 +352,8 @@ sub parse
     $self->{tagtree}=$self->elements_to_tree(\@elements);
     if($self->{tagtree})
     {
-       ($self->{sqlconditions},
-        $self->{joins}) = $self->{tagtree}->to_sql();
+       my ($conditions, @joins)=$self->{tagtree}->to_sql();
+#      print "CONDITIONS(", scalar(@joins), "): ", $conditions, "\n";
 #      print "TREE: ",  $self->{tagtree}->print(), "\n";
 #      print("SQL CONDITION(", scalar(@{$self->{joins}}), "): ",
 #            $self->{sqlconditions}, "\n");
@@ -387,18 +381,15 @@ sub elements_to_tree
     my $thing=pop @$elements;
     if($self->is("boolean", $thing))
     {
-       my $op=$thing;
        $right=$self->elements_to_tree($elements);
-       if($op->{name} ne "NOT")
+       if($thing->{name} ne "NOT")
        {
            $left=$self->elements_to_tree($elements);
        }
-       return ID3FS::Path::Node->new($left, $op, $right);
-    }
-    else
-    {
-       return ID3FS::Path::Node->new($thing);
+       $thing->left($left);
+       $thing->right($right);
     }
+    return $thing;
 }
 
 # Dijkstra's shunting-yard algorithm
@@ -413,7 +404,7 @@ sub sort_elements
        if($self->is("tag", $thing))
        {
            # Handle tag values by dropping parent
-           if(@input && $self->is("tag", $input[0])
+           if(@input && $self->is("tag", $input[0]))
            {
                $thing=shift @input;
            }
@@ -451,7 +442,7 @@ sub expecting_values
     my $tail=$self->tail();
     if($self->is("tag", $tail))
     {
-       return($self->{db}->tag_has_values($tail->{id}));
+       return($self->{db}->tag_has_values($tail->id()));
     }
 }
 
@@ -461,7 +452,7 @@ sub trailing_tag_id
     my $tail=$self->tail();
     if($self->is("tag", $tail))
     {
-       return($tail->{id});
+       return($tail->id());
     }
     return undef;
 }
@@ -493,9 +484,8 @@ sub is
 {
     my($self, $type, $thing)=@_;
     return 0 unless($thing);
-    my $ref=ref($thing);
-    my $typestr="ID3FS::PathElement::" . ucfirst($type);
-    return 1 if($ref eq $typestr);
+    return 0 unless($thing->type());
+    return 1 if($type eq $thing->type());
     return 0;
 }
 
@@ -610,10 +600,9 @@ sub albums
     my($self)=@_;
     my @ids=();
     my $tail=$self->tail();
-    # FIXME: rework PathElements
     if($self->is("artist", $tail))
     {
-       return $self->artist_albums($tail->{id});
+       return $self->artist_albums($tail->id());
     }
     my $sql=$self->sql_start("albums.name");
     $sql .= ("INNER JOIN albums ON files.albums_id=albums.id\n" .
@@ -670,11 +659,10 @@ sub album_tracks
 sub tracks
 {
     my($self)=@_;
-    # FIXME: rework PathElements
     my $tail=$self->tail();
     if($self->is("artist", $tail))
     {
-       return $self->artist_tracks($tail->{id});
+       return $self->artist_tracks($tail->id());
     }
     elsif($self->is("album", $tail))
     {
@@ -683,9 +671,9 @@ sub tracks
        if($self->is("artist", $artist))
        {
            # should always happen
-           $artist_id=$artist->{id};
+           $artist_id=$artist->id();
        }
-       return $self->album_tracks($artist_id, $tail->{id});
+       return $self->album_tracks($artist_id, $tail->id());
     }
     my $sql=$self->sql_start("files.name");
     $sql .= "INNER JOIN artists ON files.artists_id=artists.id\n";
@@ -706,7 +694,7 @@ sub filename
     my $tail=$self->tail();
     if($self->is("file", $tail))
     {
-       my $id=$tail->{id};
+       my $id=$tail->id();
        my $sql=("SELECT paths.name, files.name FROM files\n" .
                 "INNER JOIN paths ON files.paths_id=paths.id\n" .
                 "WHERE files.id=?\n" .
@@ -735,6 +723,9 @@ sub tags_subselect
        return "\tSELECT id FROM files AS files_id\n";
     }
     my $tree=$self->{tagtree};
+    print "UNDEF!!\n" unless($self->{tagtree});
+    use Data::Dumper;
+    print Dumper $tree;
     my $parent=$self->trailing_tag_parent();
 
 #    print "ELEMENTS: ", join('/', map { $_->{name}; } @{$self->{elements}}), "\n";
@@ -786,12 +777,12 @@ sub bare_not_subselect
             "\t\tWHERE ");
     if(scalar(@tags) > 1)
     {
-       $sql .= ("(t1.parents_id='" . $tags[0]->{id} . "' AND t1.id='" .
-                $tags[1]->{id} . "')");
+       $sql .= ("(t1.parents_id='" . $tags[0]->id() . "' AND t1.id='" .
+                $tags[1]->id() . "')");
     }
     else
     {
-       $sql .= ("(t1.parents_id='' AND t1.id='" . $tags[0]->{id} . "')");
+       $sql .= ("(t1.parents_id='' AND t1.id='" . $tags[0]->id() . "')");
     }
     $sql .= "\n\t\tGROUP BY fxt1.files_id\n\t)\n";
     return($sql);
@@ -830,18 +821,18 @@ sub constraints_tag_list
            if(defined($lasttag))
            {
 #              print "TAGVAL\n";
-               push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
+               push(@tags_vals, [$lasttag, $constraint->id()]) if defined($constraint->id());
                $lasttag=undef;
            }
-           elsif($self->tag_has_values($constraint->{id}))
+           elsif($self->tag_has_values($constraint->id()))
            {
 #              print "HASVALUES\n";
-               $lasttag=$constraint->{id} if defined($constraint->{id});
+               $lasttag=$constraint->id() if defined($constraint->id());
            }
            else
            {
 #              print "NOVALUES\n";
-               push(@tags, $constraint->{id}) if(defined($constraint->{id}));
+               push(@tags, $constraint->id()) if(defined($constraint->id()));
            }
        }
     }