use strict;
use warnings;
-
-our $VERSION = q(1.0003);
+no warnings 'recursion';
# 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;
my $self = shift->_get_self;
my ($key) = @_;
- $self->lock( $self->LOCK_SH );
+ $self->lock_shared;
if ( !defined $key ) {
+ $self->unlock;
DBM::Deep->_throw_error( "Cannot use an undefined array index." );
}
elsif ( $key =~ /^-?\d+$/ ) {
my $self = shift->_get_self;
my ($key, $value) = @_;
- $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 ( $key =~ /^-?\d+$/ ) {
my $self = shift->_get_self;
my ($key) = @_;
- $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 ( $key =~ /^-?\d+$/ ) {
sub FETCHSIZE {
my $self = shift->_get_self;
- $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;
my $size = $self->FETCH('length') || 0;
- $self->_storage->{filter_fetch_value} = $SAVE_FILTER;
+ $self->_engine->storage->{filter_fetch_value} = $SAVE_FILTER;
$self->unlock;
my $self = shift->_get_self;
my ($new_length) = @_;
- $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;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
sub PUSH {
my $self = shift->_get_self;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
sub SHIFT {
my $self = shift->_get_self;
+ warn "SHIFT($self)\n" if DBM::Deep::DEBUG;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
return;
}
- my $content = $self->FETCH( 0 );
+ my $content = $self->DELETE( 0 );
- for (my $i = 0; $i < $length - 1; $i++) {
- $self->_move_value( $i+1, $i );
+ # Unless the deletion above has cleared the array ...
+ if ( $length > 1 ) {
+ for (my $i = 0; $i < $length - 1; $i++) {
+ $self->_move_value( $i+1, $i );
+ }
+
+ $self->DELETE( $length - 1 );
}
- $self->DELETE( $length - 1 );
$self->unlock;
my $self = shift->_get_self;
my @new_elements = @_;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
my $new_size = scalar @new_elements;
sub SPLICE {
my $self = shift->_get_self;
- $self->lock( $self->LOCK_EX );
+ $self->lock_exclusive;
my $length = $self->FETCHSIZE();
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;