sub _join {
shift;
-::Dwarn [ JOIN => @_ ];
- return ::Dwarn SQL::Abstract::Parts::stringify(\@_);
+ return SQL::Abstract::Parts::stringify(\@_);
}
sub format {
}
sub _fold_sql {
-::Dwarn \@_;
my ($self, $indent0, $indent, $join, @parts) = @_;
my @res;
my $w = $self->max_width;
or $_ = "\n"
for my $line_join = $join;
my ($nl_pre, $nl_post) = split "\n", $line_join;
- my $line = $indent0;
+ my $line_orig = my $line = $indent0;
my $next_indent = $indent.$self->indent_by;
+ my $line_proto = $indent.$nl_post;
PART: foreach my $idx (0..$#parts) {
- ::Dwarn [ PARTSTART => $idx, \@parts, $line, \@res ];
my $p = $parts[$idx];
- my $pre = $idx ? $join : '';
+ my $pre = ($line ne $line_orig ? $join : '');
my $j_part = $pre.(my $j = ref($p) ? $self->_join(@$p) : $p);
if (length($j_part) + length($line) + $join_len <= $w) {
$line .= $j_part;
- } else {
- push @res, $line.$nl_pre."\n";
- if (length($line = $indent.$nl_post.$j) <= $w) {
- next PART;
- }
- my $folded = $self->_fold_sql($indent, $next_indent, @$p);
- push @res, $folded.$pre."\n";
- $line = $indent.$nl_post;
+ next PART;
}
- ::Dwarn [ PART => $idx => $line => $j_part => \@res ];
+ if (ref($p) and $p->[1] eq '(' and $p->[-1] eq ')') {
+ my $already = !($line eq $indent0 or $line eq $line_orig);
+ push @res, $line.($already ? $join : '').'('."\n";
+ my (undef, undef, $inner) = @$p;
+ my $folded = $self->_fold_sql($next_indent, $next_indent, @$inner);
+ $folded =~ s/\n\Z//;
+ push @res, $folded."\n";
+ $line_orig = $line
+ = $indent0.')'.(
+ ($nl_post and $idx < $#parts) ? ' '.$nl_post : ' '
+ );
+ next PART;
+ }
+ push @res, $line.$nl_pre."\n" if $line ne $line_orig;
+ if (length($line = $line_proto.$j) <= $w) {
+ $line_proto = $line;
+ next PART;
+ }
+ my $innerdent = @res ? $indent : $next_indent;
+ my $folded = $self->_fold_sql($line_proto, $innerdent, @$p);
+ $folded =~ s/\n\Z//;
+ push @res, $folded.$nl_pre."\n";
+ $line_orig = $line = $idx == $#parts ? '' : $line_proto;
}
- return +(::Dwarn [ join '', @res, $line ])->[0];
+ return join '', @res, $line;
}
1;