ledisdb/ledis/cmd_list.go

141 lines
2.2 KiB
Go

package ledis
import (
"github.com/siddontang/golib/hack"
"strconv"
)
func lpushCommand(c *client) error {
args := c.args
if len(args) < 2 {
return ErrCmdParams
}
if n, err := c.app.list_lpush(args[0], args[1:]); err != nil {
return err
} else {
c.writeInteger(n)
}
return nil
}
func rpushCommand(c *client) error {
args := c.args
if len(args) < 2 {
return ErrCmdParams
}
if n, err := c.app.list_rpush(args[0], args[1:]); err != nil {
return err
} else {
c.writeInteger(n)
}
return nil
}
func lpopCommand(c *client) error {
args := c.args
if len(args) != 1 {
return ErrCmdParams
}
if v, err := c.app.list_lpop(args[0]); err != nil {
return err
} else {
c.writeBulk(v)
}
return nil
}
func rpopCommand(c *client) error {
args := c.args
if len(args) != 1 {
return ErrCmdParams
}
if v, err := c.app.list_rpop(args[0]); err != nil {
return err
} else {
c.writeBulk(v)
}
return nil
}
func llenCommand(c *client) error {
args := c.args
if len(args) != 1 {
return ErrCmdParams
}
if n, err := c.app.list_len(args[0]); err != nil {
return err
} else {
c.writeInteger(n)
}
return nil
}
func lindexCommand(c *client) error {
args := c.args
if len(args) != 2 {
return ErrCmdParams
}
index, err := strconv.ParseInt(hack.String(args[1]), 10, 64)
if err != nil {
return err
}
if v, err := c.app.list_index(args[0], int32(index)); err != nil {
return err
} else {
c.writeBulk(v)
}
return nil
}
func lrangeCommand(c *client) error {
args := c.args
if len(args) != 3 {
return ErrCmdParams
}
var start int64
var stop int64
var err error
start, err = strconv.ParseInt(hack.String(args[1]), 10, 64)
if err != nil {
return err
}
stop, err = strconv.ParseInt(hack.String(args[2]), 10, 64)
if err != nil {
return err
}
if v, err := c.app.list_range(args[0], int32(start), int32(stop)); err != nil {
return err
} else {
c.writeArray(v)
}
return nil
}
func init() {
register("lindex", lindexCommand)
register("llen", llenCommand)
register("lpop", lpopCommand)
register("lrange", lrangeCommand)
register("lpush", lpushCommand)
register("rpop", rpopCommand)
register("rpush", rpushCommand)
}