Cleaned up validation code

diff --git a/lib/DBM/Deep/Engine.pm b/lib/DBM/Deep/Engine.pm
index 65aa508..c2e4a0e 100644 (file)
--- a/lib/DBM/Deep/Engine.pm
+++ b/lib/DBM/Deep/Engine.pm
@@ -81,52 +81,26 @@ sub new {
         $self->{$param} = $args->{$param};
     }
 
-    ##
-    # Number of buckets per blist before another level of indexing is
-    # done. Increase this value for slightly greater speed, but larger database
-    # files. DO NOT decrease this value below 16, due to risk of recursive
-    # reindex overrun.
-    ##
-    if (   !defined $self->{max_buckets}
-        || !length $self->{max_buckets}
-        || $self->{max_buckets} =~ /\D/
-        || $self->{max_buckets} < 16
-    ) {
-        $self->{max_buckets} = '(undef)' if !defined $self->{max_buckets};
-        warn "Floor of max_buckets is 16. Setting it to 16 from '$self->{max_buckets}'\n";
-        $self->{max_buckets} = 16;
-    }
-    elsif ( $self->{max_buckets} > 256 ) {
-        warn "Ceiling of max_buckets is 256. Setting it to 256 from '$self->{max_buckets}'\n";
-        $self->{max_buckets} = 256;
-    }
-
-    if (   !defined $self->{num_txns}
-        || !length $self->{num_txns}
-        || $self->{num_txns} =~ /\D/
-        || $self->{num_txns} < 1
-    ) {
-        $self->{num_txns} = '(undef)' if !defined $self->{num_txns};
-        warn "Floor of num_txns is 1. Setting it to 1 from '$self->{num_txns}'\n";
-        $self->{num_txns} = 1;
-    }
-    elsif ( $self->{num_txns} > 255 ) {
-        warn "Ceiling of num_txns is 255. Setting it to 255 from '$self->{num_txns}'\n";
-        $self->{num_txns} = 255;
-    }
-
-    if (   !defined $self->{data_sector_size}
-        || !length $self->{data_sector_size}
-        || $self->{data_sector_size} =~ /\D/
-        || $self->{data_sector_size} < 32
-    ) {
-        $self->{data_sector_size} = '(undef)' if !defined $self->{data_sector_size};
-        warn "Floor of data_sector_size is 32. Setting it to 32 from '$self->{data_sector_size}'\n";
-        $self->{data_sector_size} = 32;
-    }
-    elsif ( $self->{data_sector_size} > 256 ) {
-        warn "Ceiling of data_sector_size is 256. Setting it to 256 from '$self->{data_sector_size}'\n";
-        $self->{data_sector_size} = 256;
+    my %validations = (
+        max_buckets      => { floor => 16, ceil => 256 },
+        num_txns         => { floor => 1,  ceil => 255 },
+        data_sector_size => { floor => 32, ceil => 256 },
+    );
+
+    while ( my ($attr, $c) = each %validations ) {
+        if (   !defined $self->{$attr}
+            || !length $self->{$attr}
+            || $self->{$attr} =~ /\D/
+            || $self->{$attr} < $c->{floor}
+        ) {
+            $self->{$attr} = '(undef)' if !defined $self->{$attr};
+            warn "Floor of $attr is $c->{floor}. Setting it to $c->{floor} from '$self->{$attr}'\n";
+            $self->{$attr} = $c->{floor};
+        }
+        elsif ( $self->{$attr} > $c->{ceil} ) {
+            warn "Ceiling of $attr is $c->{ceil}. Setting it to $c->{ceil} from '$self->{$attr}'\n";
+            $self->{$attr} = $c->{ceil};
+        }
     }
 
     if ( !$self->{digest} ) {