remove obsolete thing that never worked

[scpubgit/Q-Branch.git] / lib / SQL / Abstract / Formatter.pm

diff --git a/lib/SQL/Abstract/Formatter.pm b/lib/SQL/Abstract/Formatter.pm
index 0eb799d..0f0daf3 100644 (file)
--- a/lib/SQL/Abstract/Formatter.pm
+++ b/lib/SQL/Abstract/Formatter.pm
@@ -35,32 +35,44 @@ sub _fold_sql {
     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) {
     my $p = $parts[$idx];
-    my $pre = $idx ? $join : '';
+#::DwarnT STARTPART => $p, \@res, $line, $line_orig;
+    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 .= $j_part;
-    } else {
-      if (ref($p) and $p->[1] eq '(' and $p->[-1] eq ')') {
-        push @res, $line.$join.'('."\n";
-        my (undef, undef, $inner) = @$p;
-        my $folded = $self->_fold_sql($indent, $indent, @$inner);
-        push @res, $nl_post.$folded."\n";
-        $line = $indent0.')';
-        next PART;
-      }
-      push @res, $line.$nl_pre."\n" if $line =~ /\S/;
-      if (length($line = $indent.$nl_post.$j) <= $w) {
-        next PART;
-      }
-      my $folded = $self->_fold_sql($indent.$nl_post, $next_indent, @$p);
+      next PART;
+    }
+    my $innerdent = @res
+                      ? $next_indent
+                      : $indent0.$self->indent_by;
+    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 = $self->_fold_sql($innerdent, $innerdent, @$inner);
       $folded =~ s/\n\Z//;
-      push @res, $folded.$nl_pre."\n";
-      $line = $idx == $#parts ? '' : $indent.$nl_post;
+      push @res, $folded."\n";
+      $line_orig = $line
+         = $indent0.')'.($idx == $#parts ? '' : $join);
+      next PART;
+    }
+    if ($line ne $line_orig) {
+      push @res, $line.($idx == $#parts ? '' : $nl_pre)."\n";
+    }
+    if (length($line = $line_proto.$j) <= $w) {
+      next PART;
     }
+    my $folded = $self->_fold_sql($line_proto, $innerdent, @$p);
+    $folded =~ s/\n\Z//;
+    push @res, $folded.($idx == $#parts ? '' : $nl_pre)."\n";
+    $line_orig = $line = $idx == $#parts ? '' : $line_proto;
+  } continue {
+#::DwarnT ENDPART => $parts[$idx], \@res, $line, $line_orig;
   }
   return join '', @res, $line;
 }