X-Git-Url: http://git.rot13.org/?p=perl-Redis.git;a=blobdiff_plain;f=lib%2FRedis.pm;h=b3edb6ca454a331951f94dc3af1d8e36759fea6e;hp=1df21f41663604d62ce81707a51e652d23b12e93;hb=27b1d5b5fae2c6f2bd2a193f626bfbd8103d24e6;hpb=6a1de5c2d4c3301e258abc98b7cf412d9dd89f14

diff --git a/lib/Redis.pm b/lib/Redis.pm
index 1df21f4..b3edb6c 100644
--- a/lib/Redis.pm
+++ b/lib/Redis.pm
@@ -63,8 +63,10 @@ sub _sock_read_bulk {
 	warn "## bulk len: ",dump($len);
 	return undef if $len eq "nil\r\n";
 	my $v;
-	read($sock, $v, $len) || die $!;
-	warn "## bulk v: ",dump($v);
+	if ( $len > 0 ) {
+		read($sock, $v, $len) || die $!;
+		warn "## bulk v: ",dump($v);
+	}
 	my $crlf;
 	read($sock, $crlf, 2); # skip cr/lf
 	return $v;
@@ -77,8 +79,9 @@ sub _sock_result_bulk {
 	_sock_read_bulk();
 }
 
-sub _sock_ok {
+sub __sock_ok {
 	my $ok = <$sock>;
+	return undef if $ok eq "nil\r\n";
 	confess dump($ok) unless $ok eq "+OK\r\n";
 }
 
@@ -93,15 +96,28 @@ sub _sock_send_ok {
 	my $self = shift;
 	warn "## _sock_send_ok ",dump( @_ );
 	print $sock join(' ',@_) . "\r\n";
-	_sock_ok();
+	__sock_ok();
+}
+
+sub __sock_send_bulk_raw {
+	my $self = shift;
+	warn "## _sock_send_bulk ",dump( @_ );
+	my $value = pop;
+	$value = '' unless defined $value; # FIXME errr? nil?
+	print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n"
 }
 
 sub _sock_send_bulk {
-	my ( $self, $command, $key, $value ) = @_;
-	print $sock "$command $key " . length($value) . "\r\n$value\r\n";
-	_sock_ok();
+	__sock_send_bulk_raw( @_ );
+	__sock_ok();
 }
 
+sub _sock_send_bulk_number {
+	__sock_send_bulk_raw( @_ );
+	my $v = _sock_result();
+	confess $v unless $v =~ m{^\-?\d+$};
+	return $v;
+}
 
 =head1 Connection Handling
 
@@ -315,6 +331,96 @@ sub lrange {
 	return @list;
 }
 
+=head2 ltrim
+
+  my $ok = $r->ltrim( $key, $start, $end );
+
+=cut
+
+sub ltrim {
+	my ( $self, $key, $start, $end ) = @_;
+	$self->_sock_send_ok( 'LTRIM', $key, $start, $end );
+}
+
+=head2 lindex
+
+  $r->lindex( $key, $index );
+
+=cut
+
+sub lindex {
+	my ( $self, $key, $index ) = @_;
+	$self->_sock_result_bulk( 'LINDEX', $key, $index );
+}
+
+=head2 lset
+
+  $r->lset( $key, $index, $value );
+
+=cut
+
+sub lset {
+	my ( $self, $key, $index, $value ) = @_;
+	$self->_sock_send_bulk( 'LSET', $key, $index, $value );
+}
+
+=head2 lrem
+
+  my $modified_count = $r->lrem( $key, $count, $value );
+
+=cut
+
+sub lrem {
+	my ( $self, $key, $count, $value ) = @_;
+	$self->_sock_send_bulk_number( 'LREM', $key, $count, $value );
+}
+
+=head2 lpop
+
+  my $value = $r->lpop( $key );
+
+=cut
+
+sub lpop {
+	my ( $self, $key ) = @_;
+	$self->_sock_result_bulk( 'LPOP', $key );
+}
+
+=head2 rpop
+
+  my $value = $r->rpop( $key );
+
+=cut
+
+sub rpop {
+	my ( $self, $key ) = @_;
+	$self->_sock_result_bulk( 'RPOP', $key );
+}
+
+=head1 Commands operating on sets
+
+=head2 sadd
+
+  $r->sadd( $key, $member );
+
+=cut
+
+sub sadd {
+	my ( $self, $key, $member ) = @_;
+	$self->_sock_send_bulk_number( 'SADD', $key, $member );
+}
+
+=head2 srem
+
+  $r->srem( $key, $member );
+
+=cut
+
+sub srem {
+	my ( $self, $key, $member ) = @_;
+	$self->_sock_send_bulk_number( 'SREM', $key, $member );
+}
+
 =head1 AUTHOR
 
 Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >>