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Diffstat (limited to 'Godeps/_workspace/src/gopkg.in/redis.v2/command.go')
-rw-r--r--Godeps/_workspace/src/gopkg.in/redis.v2/command.go597
1 files changed, 597 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/gopkg.in/redis.v2/command.go b/Godeps/_workspace/src/gopkg.in/redis.v2/command.go
new file mode 100644
index 000000000..d7c76cf92
--- /dev/null
+++ b/Godeps/_workspace/src/gopkg.in/redis.v2/command.go
@@ -0,0 +1,597 @@
+package redis
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+ "time"
+
+ "gopkg.in/bufio.v1"
+)
+
+var (
+ _ Cmder = (*Cmd)(nil)
+ _ Cmder = (*SliceCmd)(nil)
+ _ Cmder = (*StatusCmd)(nil)
+ _ Cmder = (*IntCmd)(nil)
+ _ Cmder = (*DurationCmd)(nil)
+ _ Cmder = (*BoolCmd)(nil)
+ _ Cmder = (*StringCmd)(nil)
+ _ Cmder = (*FloatCmd)(nil)
+ _ Cmder = (*StringSliceCmd)(nil)
+ _ Cmder = (*BoolSliceCmd)(nil)
+ _ Cmder = (*StringStringMapCmd)(nil)
+ _ Cmder = (*ZSliceCmd)(nil)
+ _ Cmder = (*ScanCmd)(nil)
+)
+
+type Cmder interface {
+ args() []string
+ parseReply(*bufio.Reader) error
+ setErr(error)
+
+ writeTimeout() *time.Duration
+ readTimeout() *time.Duration
+
+ Err() error
+ String() string
+}
+
+func setCmdsErr(cmds []Cmder, e error) {
+ for _, cmd := range cmds {
+ cmd.setErr(e)
+ }
+}
+
+func cmdString(cmd Cmder, val interface{}) string {
+ s := strings.Join(cmd.args(), " ")
+ if err := cmd.Err(); err != nil {
+ return s + ": " + err.Error()
+ }
+ if val != nil {
+ return s + ": " + fmt.Sprint(val)
+ }
+ return s
+
+}
+
+//------------------------------------------------------------------------------
+
+type baseCmd struct {
+ _args []string
+
+ err error
+
+ _writeTimeout, _readTimeout *time.Duration
+}
+
+func newBaseCmd(args ...string) *baseCmd {
+ return &baseCmd{
+ _args: args,
+ }
+}
+
+func (cmd *baseCmd) Err() error {
+ if cmd.err != nil {
+ return cmd.err
+ }
+ return nil
+}
+
+func (cmd *baseCmd) args() []string {
+ return cmd._args
+}
+
+func (cmd *baseCmd) readTimeout() *time.Duration {
+ return cmd._readTimeout
+}
+
+func (cmd *baseCmd) setReadTimeout(d time.Duration) {
+ cmd._readTimeout = &d
+}
+
+func (cmd *baseCmd) writeTimeout() *time.Duration {
+ return cmd._writeTimeout
+}
+
+func (cmd *baseCmd) setWriteTimeout(d time.Duration) {
+ cmd._writeTimeout = &d
+}
+
+func (cmd *baseCmd) setErr(e error) {
+ cmd.err = e
+}
+
+//------------------------------------------------------------------------------
+
+type Cmd struct {
+ *baseCmd
+
+ val interface{}
+}
+
+func NewCmd(args ...string) *Cmd {
+ return &Cmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *Cmd) Val() interface{} {
+ return cmd.val
+}
+
+func (cmd *Cmd) Result() (interface{}, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *Cmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *Cmd) parseReply(rd *bufio.Reader) error {
+ cmd.val, cmd.err = parseReply(rd, parseSlice)
+ return cmd.err
+}
+
+//------------------------------------------------------------------------------
+
+type SliceCmd struct {
+ *baseCmd
+
+ val []interface{}
+}
+
+func NewSliceCmd(args ...string) *SliceCmd {
+ return &SliceCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *SliceCmd) Val() []interface{} {
+ return cmd.val
+}
+
+func (cmd *SliceCmd) Result() ([]interface{}, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *SliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *SliceCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, parseSlice)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.([]interface{})
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type StatusCmd struct {
+ *baseCmd
+
+ val string
+}
+
+func NewStatusCmd(args ...string) *StatusCmd {
+ return &StatusCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *StatusCmd) Val() string {
+ return cmd.val
+}
+
+func (cmd *StatusCmd) Result() (string, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *StatusCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StatusCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, nil)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.(string)
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type IntCmd struct {
+ *baseCmd
+
+ val int64
+}
+
+func NewIntCmd(args ...string) *IntCmd {
+ return &IntCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *IntCmd) Val() int64 {
+ return cmd.val
+}
+
+func (cmd *IntCmd) Result() (int64, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *IntCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *IntCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, nil)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.(int64)
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type DurationCmd struct {
+ *baseCmd
+
+ val time.Duration
+ precision time.Duration
+}
+
+func NewDurationCmd(precision time.Duration, args ...string) *DurationCmd {
+ return &DurationCmd{
+ baseCmd: newBaseCmd(args...),
+ precision: precision,
+ }
+}
+
+func (cmd *DurationCmd) Val() time.Duration {
+ return cmd.val
+}
+
+func (cmd *DurationCmd) Result() (time.Duration, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *DurationCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *DurationCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, nil)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = time.Duration(v.(int64)) * cmd.precision
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type BoolCmd struct {
+ *baseCmd
+
+ val bool
+}
+
+func NewBoolCmd(args ...string) *BoolCmd {
+ return &BoolCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *BoolCmd) Val() bool {
+ return cmd.val
+}
+
+func (cmd *BoolCmd) Result() (bool, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *BoolCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *BoolCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, nil)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.(int64) == 1
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type StringCmd struct {
+ *baseCmd
+
+ val string
+}
+
+func NewStringCmd(args ...string) *StringCmd {
+ return &StringCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *StringCmd) Val() string {
+ return cmd.val
+}
+
+func (cmd *StringCmd) Result() (string, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *StringCmd) Int64() (int64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ return strconv.ParseInt(cmd.val, 10, 64)
+}
+
+func (cmd *StringCmd) Uint64() (uint64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ return strconv.ParseUint(cmd.val, 10, 64)
+}
+
+func (cmd *StringCmd) Float64() (float64, error) {
+ if cmd.err != nil {
+ return 0, cmd.err
+ }
+ return strconv.ParseFloat(cmd.val, 64)
+}
+
+func (cmd *StringCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, nil)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.(string)
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type FloatCmd struct {
+ *baseCmd
+
+ val float64
+}
+
+func NewFloatCmd(args ...string) *FloatCmd {
+ return &FloatCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *FloatCmd) Val() float64 {
+ return cmd.val
+}
+
+func (cmd *FloatCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *FloatCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, nil)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val, cmd.err = strconv.ParseFloat(v.(string), 64)
+ return cmd.err
+}
+
+//------------------------------------------------------------------------------
+
+type StringSliceCmd struct {
+ *baseCmd
+
+ val []string
+}
+
+func NewStringSliceCmd(args ...string) *StringSliceCmd {
+ return &StringSliceCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *StringSliceCmd) Val() []string {
+ return cmd.val
+}
+
+func (cmd *StringSliceCmd) Result() ([]string, error) {
+ return cmd.Val(), cmd.Err()
+}
+
+func (cmd *StringSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringSliceCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, parseStringSlice)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.([]string)
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type BoolSliceCmd struct {
+ *baseCmd
+
+ val []bool
+}
+
+func NewBoolSliceCmd(args ...string) *BoolSliceCmd {
+ return &BoolSliceCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *BoolSliceCmd) Val() []bool {
+ return cmd.val
+}
+
+func (cmd *BoolSliceCmd) Result() ([]bool, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *BoolSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *BoolSliceCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, parseBoolSlice)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.([]bool)
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type StringStringMapCmd struct {
+ *baseCmd
+
+ val map[string]string
+}
+
+func NewStringStringMapCmd(args ...string) *StringStringMapCmd {
+ return &StringStringMapCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *StringStringMapCmd) Val() map[string]string {
+ return cmd.val
+}
+
+func (cmd *StringStringMapCmd) Result() (map[string]string, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *StringStringMapCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *StringStringMapCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, parseStringStringMap)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.(map[string]string)
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type ZSliceCmd struct {
+ *baseCmd
+
+ val []Z
+}
+
+func NewZSliceCmd(args ...string) *ZSliceCmd {
+ return &ZSliceCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *ZSliceCmd) Val() []Z {
+ return cmd.val
+}
+
+func (cmd *ZSliceCmd) Result() ([]Z, error) {
+ return cmd.val, cmd.err
+}
+
+func (cmd *ZSliceCmd) String() string {
+ return cmdString(cmd, cmd.val)
+}
+
+func (cmd *ZSliceCmd) parseReply(rd *bufio.Reader) error {
+ v, err := parseReply(rd, parseZSlice)
+ if err != nil {
+ cmd.err = err
+ return err
+ }
+ cmd.val = v.([]Z)
+ return nil
+}
+
+//------------------------------------------------------------------------------
+
+type ScanCmd struct {
+ *baseCmd
+
+ cursor int64
+ keys []string
+}
+
+func NewScanCmd(args ...string) *ScanCmd {
+ return &ScanCmd{
+ baseCmd: newBaseCmd(args...),
+ }
+}
+
+func (cmd *ScanCmd) Val() (int64, []string) {
+ return cmd.cursor, cmd.keys
+}
+
+func (cmd *ScanCmd) Result() (int64, []string, error) {
+ return cmd.cursor, cmd.keys, cmd.err
+}
+
+func (cmd *ScanCmd) String() string {
+ return cmdString(cmd, cmd.keys)
+}
+
+func (cmd *ScanCmd) parseReply(rd *bufio.Reader) error {
+ vi, err := parseReply(rd, parseSlice)
+ if err != nil {
+ cmd.err = err
+ return cmd.err
+ }
+ v := vi.([]interface{})
+
+ cmd.cursor, cmd.err = strconv.ParseInt(v[0].(string), 10, 64)
+ if cmd.err != nil {
+ return cmd.err
+ }
+
+ keys := v[1].([]interface{})
+ for _, keyi := range keys {
+ cmd.keys = append(cmd.keys, keyi.(string))
+ }
+
+ return nil
+}