rename _expand_andor to _expand_op_andor

[dbsrgits/SQL-Abstract.git] / lib / SQL / Abstract.pm

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index 6234b98..fb62c50 100644 (file)
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -191,8 +191,8 @@ sub new {
     -value => '_expand_value',
     -not => '_expand_not',
     -bool => '_expand_bool',
-    -and => '_expand_andor',
-    -or => '_expand_andor',
+    -and => '_expand_op_andor',
+    -or => '_expand_op_andor',
     -nest => '_expand_nest',
   };
 
@@ -210,6 +210,8 @@ sub new {
       ] };
     }), qw(ident value)),
     'nest' => '_expand_nest',
+    (map +($_ => '_expand_op_andor'),
+      qw(and or)),
   };
 
   $opt{render} = {
@@ -553,14 +555,13 @@ sub render_expr {
 }
 
 sub _expand_expr {
-  my ($self, $expr, $logic) = @_;
+  my ($self, $expr) = @_;
   our $Expand_Depth ||= 0; local $Expand_Depth = $Expand_Depth + 1;
   return undef unless defined($expr);
   if (ref($expr) eq 'HASH') {
     return undef unless my $kc = keys %$expr;
     if ($kc > 1) {
-      $logic ||= 'and';
-      return $self->_expand_andor("-${logic}", $expr);
+      return $self->_expand_op_andor(-and => $expr);
     }
     my ($key, $value) = %$expr;
     if ($key =~ /^-/ and $key =~ s/ [_\s]? \d+ $//x ) {
@@ -570,11 +571,11 @@ sub _expand_expr {
     if (my $exp = $self->{expand}{$key}) {
       return $self->$exp($key, $value);
     }
-    return $self->_expand_expr_hashpair($key, $value, $logic);
+    return $self->_expand_expr_hashpair($key, $value);
   }
   if (ref($expr) eq 'ARRAY') {
-    my $logic = lc($logic || $self->{logic});
-    return $self->_expand_andor("-${logic}", $expr);
+    my $logic = '-'.lc($self->{logic});
+    return $self->_expand_op_andor($logic, $expr);
   }
   if (my $literal = is_literal_value($expr)) {
     return +{ -literal => $literal };
@@ -589,7 +590,7 @@ sub _expand_expr {
 }
 
 sub _expand_expr_hashpair {
-  my ($self, $k, $v, $logic) = @_;
+  my ($self, $k, $v) = @_;
   unless (defined($k) and length($k)) {
     if (defined($k) and my $literal = is_literal_value($v)) {
       belch 'Hash-pairs consisting of an empty string with a literal are deprecated, and will be removed in 2.0: use -and => [ $literal ] instead';
@@ -597,12 +598,12 @@ sub _expand_expr_hashpair {
     }
     puke "Supplying an empty left hand side argument is not supported";
   }
+  $self->_assert_pass_injection_guard($k =~ /^-(.*)$/s) if $k =~ /^-/;
   if ($k =~ /^-/) {
-    $self->_assert_pass_injection_guard($k =~ /^-(.*)$/s);
     if (my ($rest) = $k =~/^-not[_ ](.*)$/) {
       return +{ -op => [
         'not',
-        $self->_expand_expr({ "-${rest}", $v }, $logic)
+        $self->_expand_expr({ "-${rest}", $v })
       ] };
     }
     {
@@ -666,7 +667,7 @@ sub _expand_expr_hashpair {
   }
   if (ref($v) eq 'HASH') {
     if (keys %$v > 1) {
-      return $self->_expand_andor(-and => [
+      return $self->_expand_op_andor(-and => [
         map +{ $k => { $_ => $v->{$_} } },
           sort keys %$v
       ]);
@@ -696,12 +697,6 @@ sub _expand_expr_hashpair {
            );
       return +{ -op => [ $op.' null', $self->_expand_ident(-ident => $k) ] };
     }
-    if ($op =~ /^(and|or)$/) {
-      return $self->_expand_andor('-'.$op, [
-        map +{ $k, { $_ => $vv->{$_} } },
-          sort keys %$vv
-      ]);
-    }
     if (my $us = List::Util::first { $op =~ $_->{regex} } @{$self->{special_ops}}) {
       return { -op => [ $op, $self->_expand_ident(-ident => $k), $vv ] };
     }
@@ -738,7 +733,7 @@ sub _expand_expr_hashpair {
         : $op =~ $self->{not_like_op}   ? belch("Supplying an empty arrayref to '@{[ uc $op]}' is deprecated") && $self->sqltrue
         : puke "operator '$op' applied on an empty array (field '$k')";
       }
-      return $self->_expand_andor($logic => [
+      return $self->_expand_op_andor($logic => [
         map +{ $k => { $vk => $_ } },
           @values
       ]);
@@ -770,13 +765,13 @@ sub _expand_expr_hashpair {
   if (ref($v) eq 'ARRAY') {
     return $self->sqlfalse unless @$v;
     $self->_debug("ARRAY($k) means distribute over elements");
-    my $this_logic = lc(
+    my $logic = lc(
       $v->[0] =~ /^-(and|or)$/i
         ? shift(@{$v = [ @$v ]})
-        : '-'.($self->{logic} || 'or')
+        : '-'.lc($self->{logic} || 'OR')
     );
-    return $self->_expand_andor(
-      $this_logic => [ map +{ $k => $_ }, @$v ]
+    return $self->_expand_op_andor(
+      $logic => [ map +{ $k => $_ }, @$v ]
     );
   }
   if (my $literal = is_literal_value($v)) {
@@ -826,18 +821,22 @@ sub _expand_bool {
   return $self->_expand_ident(-ident => $v);
 }
 
-sub _expand_andor {
-  my ($self, $k, $v) = @_;
-  my ($logic) = $k =~ /^-(.*)$/;
+sub _expand_op_andor {
+  my ($self, $logic, $v, $k) = @_;
+  if (defined $k) {
+    $v = [ map +{ $k, { $_ => $v->{$_} } },
+             sort keys %$v ];
+  }
+  my ($logop) = $logic =~ /^-?(.*)$/;
   if (ref($v) eq 'HASH') {
     return +{ -op => [
-      $logic,
-      map $self->_expand_expr({ $_ => $v->{$_} }, $logic),
+      $logop,
+      map $self->_expand_expr({ $_ => $v->{$_} }),
         sort keys %$v
     ] };
   }
   if (ref($v) eq 'ARRAY') {
-    $logic eq 'and' or $logic eq 'or' or puke "unknown logic: $logic";
+    $logop eq 'and' or $logop eq 'or' or puke "unknown logic: $logop";
 
     my @expr = grep {
       (ref($_) eq 'ARRAY' and @$_)
@@ -867,7 +866,7 @@ sub _expand_andor {
     }
     # ???
     # return $res[0] if @res == 1;
-    return { -op => [ $logic, @res ] };
+    return { -op => [ $logop, @res ] };
   }
   die "notreached";
 }