my $self={};
bless($self,$class);
- $self->left(shift);
- $self->op(shift);
- $self->right(shift);
-
+ my $db=shift;
+ $self->{type}=shift;
+ $self->{name}=shift;
+ $self->{parents_id}=shift;
+ if($self->{type} ne "boolean")
+ {
+ my $table=ucfirst($self->{type});
+ $table .= "s" unless($table=~/s$/);
+ $self->{id}=$db->lookup_id($table, $self->{name}, $self->{parents_id});
+ return undef unless(defined($self->{id}));
+ }
return $self;
}
return $self->{$name};
}
-sub left { return shift->set("left", shift); }
-sub right { return shift->set("right", shift); }
-sub op { return shift->set("op", shift); }
+sub left { return shift->set("left", shift); }
+sub right { return shift->set("right", shift); }
+sub name { return shift->set("name", shift); }
+sub type { return shift->set("type", shift); }
+sub id { return shift->set("id", shift); }
+sub parents_id { return shift->set("parents_id", shift); }
sub print
{
my($self)=@_;
- my $op=$self->op();
+ my $op=$self->name();
my $left=$self->left();
my $right=$self->right();
return "" unless($left || $right);
my $str .= $self->print_node($left);
- $str .= (" " . $op->{name} . " ") if($op);
+ $str .= (" " . $op . " ") if($op);
$str .= $self->print_node($right);
if($op || ($left && $right))
{
my ($leftstr, @leftjoins) = $self->node_to_sql($left, $hasvals, $not, @joins);
push(@joins, @leftjoins);
push(@outjoins, @leftjoins);
- my $op=$self->op();
- if(defined($op))
+ my $op=$self->name();
+ if(defined($op) && $self->type() eq "boolean")
{
# if we are ANDing, add an inner join
# also if we are NOTing, but we are looking for a tag *value*
- if( ($op->{name} eq "AND") ||
- ($hasvals && ($op->{name} eq "NOT")))
+ if( ($op eq "AND") || ($hasvals && ($op eq "NOT")))
{
# hack - if right child is a NOT, we don't need extra join/brackets
# NOT will do the same and we will end up with an extra one
- unless($right && $right->{op}
- && $right->{op}->{name}
- && $right->{op}->{name} eq "NOT")
+ unless($right && $right->name() && $right->name() eq "NOT")
{
push(@joins, "INNER");
push(@outjoins, "INNER");
}
}
- elsif($op->{name} eq "NOT")
+ elsif($op eq "NOT")
{
$not=1;
push(@joins, "LEFT");
# print "LEFT (", scalar(@leftjoins), "): $leftstr\n";
# print "RIGHT (", scalar(@rightjoins), "): $rightstr\n";
my $str=$leftstr;
- $str .= (" " . $op->{name} . " ") if($op && !$not);
+ $str .= " $op " if($op && !$not);
$str .= $rightstr;
if($op || ($left && $right))
{
{
my($self, $node, $hasvals, $not, @joins)=@_;
return ("", ()) unless(defined($node));
- return $node->to_sql($hasvals, $not, @joins) if(ref($node) eq "ID3FS::Path::Node");
+ return $node->to_sql($hasvals, $not, @joins) if($node->type() eq "boolean");
my $sql;
my $cnt=scalar(@joins)+1;
if(defined($node->{parents_id}))
sub used_tags
{
my($self)=@_;
- my @used=(grep { defined; } ($self->node_used_tags($self->left()),
- $self->node_used_tags($self->right())));
- return(@used);
-}
-
-sub node_used_tags
-{
- my($self, $node)=@_;
- return (undef) unless(defined($node));
- return $node->used_tags() if(ref($node) eq "ID3FS::Path::Node");
- if(defined($node->{parents_id}))
+ if($self->type() eq "boolean")
{
- return([ $node->{parents_id}, $node->{id} ]);
+ my @used=();
+ push(@used, $self->left()->used_tags()) if($self->left());
+ push(@used, $self->right()->used_tags()) if($self->right());
+ print "BOOL: ", $self->name(), join(', ', grep { defined; } @used), "\n";
+ return(grep { defined; } @used);
}
- return $node->{id};
-}
-
-
-sub max
-{
- my($self, $a, $b)=@_;
- return(($a > $b) ? $a : $b);
+ elsif($self->parents_id())
+ {
+ return([ $self->parents_id(), $self->id() ]);
+ }
+ return $self->id();
}
1;