X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBM%2FDeep%2FHash.pm;h=0c0e9094e5bf4fdf8f623d372b05a3bf76f97b87;hb=3a7a0dcedb5e8490578dc1470418079919cd034e;hp=eeeffabf067f31e9ffccc739799bd4c24190e449;hpb=596e957406a6efd0423d2b3afc9e93a43486fa0b;p=dbsrgits%2FDBM-Deep.git

diff --git a/lib/DBM/Deep/Hash.pm b/lib/DBM/Deep/Hash.pm
index eeeffab..0c0e909 100644
--- a/lib/DBM/Deep/Hash.pm
+++ b/lib/DBM/Deep/Hash.pm
@@ -5,7 +5,7 @@ use strict;
 use base 'DBM::Deep';
 
 sub _get_self {
-    tied( %{$_[0]} ) || $_[0]
+    eval { local $SIG{'__DIE__'}; tied( %{$_[0]} ) } || $_[0]
 }
 
 sub TIEHASH {
@@ -13,27 +13,60 @@ sub TIEHASH {
     # Tied hash constructor method, called by Perl's tie() function.
     ##
     my $class = shift;
-    my $args;
-    if (scalar(@_) > 1) { $args = {@_}; }
-    #XXX This use of ref() is bad and is a bug
-    elsif (ref($_[0])) { $args = $_[0]; }
-    else { $args = { file => shift }; }
+    my $args = $class->_get_args( @_ );
     
     $args->{type} = $class->TYPE_HASH;
 
     return $class->_init($args);
 }
 
+sub FETCH {
+    my $self = shift->_get_self;
+    my $key = ($self->_root->{filter_store_key})
+        ? $self->_root->{filter_store_key}->($_[0])
+        : $_[0];
+
+    return $self->SUPER::FETCH( $key );
+}
+
+sub STORE {
+    my $self = shift->_get_self;
+	my $key = ($self->_root->{filter_store_key})
+        ? $self->_root->{filter_store_key}->($_[0])
+        : $_[0];
+    my $value = $_[1];
+
+    return $self->SUPER::STORE( $key, $value );
+}
+
+sub EXISTS {
+    my $self = shift->_get_self;
+	my $key = ($self->_root->{filter_store_key})
+        ? $self->_root->{filter_store_key}->($_[0])
+        : $_[0];
+
+    return $self->SUPER::EXISTS( $key );
+}
+
+sub DELETE {
+    my $self = shift->_get_self;
+	my $key = ($self->_root->{filter_store_key})
+        ? $self->_root->{filter_store_key}->($_[0])
+        : $_[0];
+
+    return $self->SUPER::DELETE( $key );
+}
+
 sub FIRSTKEY {
 	##
 	# Locate and return first key (in no particular order)
 	##
-    my $self = $_[0]->_get_self;#DBM::Deep::_get_self($_[0]);
+    my $self = $_[0]->_get_self;
 
 	##
 	# Make sure file is open
 	##
-	if (!defined($self->fh)) { $self->_open(); }
+	if (!defined($self->_fh)) { $self->_open(); }
 	
 	##
 	# Request shared lock for reading
@@ -44,8 +77,8 @@ sub FIRSTKEY {
 	
 	$self->unlock();
 	
-	return ($result && $self->root->{filter_fetch_key})
-        ? $self->root->{filter_fetch_key}->($result)
+	return ($result && $self->_root->{filter_fetch_key})
+        ? $self->_root->{filter_fetch_key}->($result)
         : $result;
 }
 
@@ -53,10 +86,10 @@ sub NEXTKEY {
 	##
 	# Return next key (in no particular order), given previous one
 	##
-    my $self = $_[0]->_get_self;#DBM::Deep::_get_self($_[0]);
+    my $self = $_[0]->_get_self;
 
-	my $prev_key = ($self->root->{filter_store_key})
-        ? $self->root->{filter_store_key}->($_[1])
+	my $prev_key = ($self->_root->{filter_store_key})
+        ? $self->_root->{filter_store_key}->($_[1])
         : $_[1];
 
 	my $prev_md5 = $DBM::Deep::DIGEST_FUNC->($prev_key);
@@ -64,7 +97,7 @@ sub NEXTKEY {
 	##
 	# Make sure file is open
 	##
-	if (!defined($self->fh)) { $self->_open(); }
+	if (!defined($self->_fh)) { $self->_open(); }
 	
 	##
 	# Request shared lock for reading
@@ -75,8 +108,8 @@ sub NEXTKEY {
 	
 	$self->unlock();
 	
-	return ($result && $self->root->{filter_fetch_key})
-        ? $self->root->{filter_fetch_key}->($result)
+	return ($result && $self->_root->{filter_fetch_key})
+        ? $self->_root->{filter_fetch_key}->($result)
         : $result;
 }