use 5.006_000;
use strict;
-use warnings;
-
-our $VERSION = q(1.0001);
+use warnings FATAL => 'all';
# This is to allow DBM::Deep::Array to handle negative indices on
# its own. Otherwise, Perl would intercept the call to negative
eval { local $SIG{'__DIE__'}; tied( @{$_[0]} ) } || $_[0]
}
-sub _repr { shift;[ @_ ] }
-
-sub _import {
- my $self = shift;
- my ($struct) = @_;
-
- $self->push( @$struct );
-
- return 1;
-}
+sub _repr { [] }
sub TIEARRAY {
my $class = shift;
$args->{type} = $class->TYPE_ARRAY;
- return $class->_init($args);
+ my $self = $class->_init($args);
+
+# $self->STORESIZE;
+
+ return $self;
}
sub FETCH {
my $self = shift->_get_self;
my ($key) = @_;
+ warn "ARRAY:FETCH( $key )\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_SH );
+ $self->lock_shared;
if ( !defined $key ) {
+ $self->unlock;
DBM::Deep->_throw_error( "Cannot use an undefined array index." );
}
elsif ( $key =~ /^-?\d+$/ ) {
sub STORE {
my $self = shift->_get_self;
my ($key, $value) = @_;
+ warn "ARRAY::STORE($self, $key)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $size;
my $idx_is_numeric;
if ( !defined $key ) {
+ $self->unlock;
DBM::Deep->_throw_error( "Cannot use an undefined array index." );
}
elsif ( $key =~ /^-?\d+$/ ) {
sub EXISTS {
my $self = shift->_get_self;
my ($key) = @_;
+ warn "ARRAY::EXISTS($self, $key)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_SH );
+ $self->lock_shared;
if ( !defined $key ) {
+ $self->unlock;
DBM::Deep->_throw_error( "Cannot use an undefined array index." );
}
elsif ( $key =~ /^-?\d+$/ ) {
sub DELETE {
my $self = shift->_get_self;
my ($key) = @_;
+ warn "ARRAY::DELETE($self,$key)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $size = $self->FETCHSIZE;
if ( !defined $key ) {
+ $self->unlock;
DBM::Deep->_throw_error( "Cannot use an undefined array index." );
}
elsif ( $key =~ /^-?\d+$/ ) {
# going to work.
sub FETCHSIZE {
my $self = shift->_get_self;
+ warn "ARRAY::FETCHSIZE($self)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_SH );
+ $self->lock_shared;
- my $SAVE_FILTER = $self->_storage->{filter_fetch_value};
- $self->_storage->{filter_fetch_value} = undef;
+ my $SAVE_FILTER = $self->_engine->storage->{filter_fetch_value};
+ $self->_engine->storage->{filter_fetch_value} = undef;
+ # If there is no flushing, then things get out of sync.
+# warn "FETCHSIZE BEG: " . $self->_engine->_dump_file;
my $size = $self->FETCH('length') || 0;
+# warn "FETCHSIZE AFT: " . $self->_engine->_dump_file;
- $self->_storage->{filter_fetch_value} = $SAVE_FILTER;
+ $self->_engine->storage->{filter_fetch_value} = $SAVE_FILTER;
$self->unlock;
+# warn "FETCHSIZE END: " . $self->_engine->_dump_file;
+
return $size;
}
sub STORESIZE {
my $self = shift->_get_self;
my ($new_length) = @_;
+ warn "ARRAY::STORESIZE($self, $new_length)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
- my $SAVE_FILTER = $self->_storage->{filter_store_value};
- $self->_storage->{filter_store_value} = undef;
+ my $SAVE_FILTER = $self->_engine->storage->{filter_store_value};
+ $self->_engine->storage->{filter_store_value} = undef;
my $result = $self->STORE('length', $new_length, 'length');
- $self->_storage->{filter_store_value} = $SAVE_FILTER;
+ $self->_engine->storage->{filter_store_value} = $SAVE_FILTER;
$self->unlock;
sub POP {
my $self = shift->_get_self;
+ warn "ARRAY::POP($self)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
sub PUSH {
my $self = shift->_get_self;
+ warn "ARRAY::PUSH($self)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
return $length;
}
+# XXX This really needs to be something more direct within the file, not a
+# fetch and re-store. -RobK, 2007-09-20
+sub _move_value {
+ my $self = shift;
+ my ($old_key, $new_key) = @_;
+
+ return $self->_engine->make_reference( $self, $old_key, $new_key );
+}
+
sub SHIFT {
my $self = shift->_get_self;
+ warn "ARRAY::SHIFT($self)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
- if ($length) {
- my $content = $self->FETCH( 0 );
+ if ( !$length ) {
+ $self->unlock;
+ return;
+ }
+ my $content = $self->DELETE( 0 );
+
+ # Unless the deletion above has cleared the array ...
+ if ( $length > 1 ) {
for (my $i = 0; $i < $length - 1; $i++) {
- $self->STORE( $i, $self->FETCH($i + 1) );
+ $self->_move_value( $i+1, $i );
}
+
$self->DELETE( $length - 1 );
+ }
- $self->unlock;
+ $self->unlock;
- return $content;
- }
- else {
- $self->unlock;
- return;
- }
+ return $content;
}
sub UNSHIFT {
my $self = shift->_get_self;
+ warn "ARRAY::UNSHIFT($self)\n" if DBM::Deep::DEBUG;
my @new_elements = @_;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
my $new_size = scalar @new_elements;
if ($length) {
for (my $i = $length - 1; $i >= 0; $i--) {
- $self->STORE( $i + $new_size, $self->FETCH($i) );
+ $self->_move_value( $i, $i+$new_size );
}
+
+# warn "BEFORE: " . $self->_dump_file;
+ $self->STORESIZE( $length + $new_size );
}
+# $self->_engine->flush;
for (my $i = 0; $i < $new_size; $i++) {
$self->STORE( $i, $new_elements[$i] );
}
+ warn "AFTER : " . $self->_dump_file;
$self->unlock;
sub SPLICE {
my $self = shift->_get_self;
+ warn "ARRAY::SPLICE($self)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
if ( $new_size != $splice_length ) {
if ($new_size > $splice_length) {
for (my $i = $length - 1; $i >= $offset + $splice_length; $i--) {
- $self->STORE( $i + ($new_size - $splice_length), $self->FETCH($i) );
+ $self->_move_value( $i, $i + ($new_size - $splice_length) );
}
+ $self->STORESIZE( $length + $new_size - $splice_length );
}
else {
for (my $i = $offset + $splice_length; $i < $length; $i++) {
- $self->STORE( $i + ($new_size - $splice_length), $self->FETCH($i) );
+ $self->_move_value( $i, $i + ($new_size - $splice_length) );
}
for (my $i = 0; $i < $splice_length - $new_size; $i++) {
$self->DELETE( $length - 1 );
# We don't need to populate it, yet.
# It will be useful, though, when we split out HASH and ARRAY
sub EXTEND {
+ warn "ARRAY::EXTEND()\n" if DBM::Deep::DEBUG;
##
# Perl will call EXTEND() when the array is likely to grow.
# We don't care, but include it because it gets called at times.
my $length = $self->length();
for (my $index = 0; $index < $length; $index++) {
- my $value = $self->get($index);
- $self->_copy_value( \$db_temp->[$index], $value );
+ $self->_copy_value( \$db_temp->[$index], $self->get($index) );
}
return 1;