Added all required dependencies

vendor/gopkg.in/redis.v2/parser.go

@@ -0,0 +1,262 @@
+package redis
+
+import (
+	"errors"
+	"fmt"
+	"strconv"
+
+	"gopkg.in/bufio.v1"
+)
+
+type multiBulkParser func(rd *bufio.Reader, n int64) (interface{}, error)
+
+var (
+	errReaderTooSmall = errors.New("redis: reader is too small")
+)
+
+//------------------------------------------------------------------------------
+
+func appendArgs(buf []byte, args []string) []byte {
+	buf = append(buf, '*')
+	buf = strconv.AppendUint(buf, uint64(len(args)), 10)
+	buf = append(buf, '\r', '\n')
+	for _, arg := range args {
+		buf = append(buf, '$')
+		buf = strconv.AppendUint(buf, uint64(len(arg)), 10)
+		buf = append(buf, '\r', '\n')
+		buf = append(buf, arg...)
+		buf = append(buf, '\r', '\n')
+	}
+	return buf
+}
+
+//------------------------------------------------------------------------------
+
+func readLine(rd *bufio.Reader) ([]byte, error) {
+	line, isPrefix, err := rd.ReadLine()
+	if err != nil {
+		return line, err
+	}
+	if isPrefix {
+		return line, errReaderTooSmall
+	}
+	return line, nil
+}
+
+func readN(rd *bufio.Reader, n int) ([]byte, error) {
+	b, err := rd.ReadN(n)
+	if err == bufio.ErrBufferFull {
+		tmp := make([]byte, n)
+		r := copy(tmp, b)
+		b = tmp
+
+		for {
+			nn, err := rd.Read(b[r:])
+			r += nn
+			if r >= n {
+				// Ignore error if we read enough.
+				break
+			}
+			if err != nil {
+				return nil, err
+			}
+		}
+	} else if err != nil {
+		return nil, err
+	}
+	return b, nil
+}
+
+//------------------------------------------------------------------------------
+
+func parseReq(rd *bufio.Reader) ([]string, error) {
+	line, err := readLine(rd)
+	if err != nil {
+		return nil, err
+	}
+
+	if line[0] != '*' {
+		return []string{string(line)}, nil
+	}
+	numReplies, err := strconv.ParseInt(string(line[1:]), 10, 64)
+	if err != nil {
+		return nil, err
+	}
+
+	args := make([]string, 0, numReplies)
+	for i := int64(0); i < numReplies; i++ {
+		line, err = readLine(rd)
+		if err != nil {
+			return nil, err
+		}
+		if line[0] != '$' {
+			return nil, fmt.Errorf("redis: expected '$', but got %q", line)
+		}
+
+		argLen, err := strconv.ParseInt(string(line[1:]), 10, 32)
+		if err != nil {
+			return nil, err
+		}
+
+		arg, err := readN(rd, int(argLen)+2)
+		if err != nil {
+			return nil, err
+		}
+		args = append(args, string(arg[:argLen]))
+	}
+	return args, nil
+}
+
+//------------------------------------------------------------------------------
+
+func parseReply(rd *bufio.Reader, p multiBulkParser) (interface{}, error) {
+	line, err := readLine(rd)
+	if err != nil {
+		return nil, err
+	}
+
+	switch line[0] {
+	case '-':
+		return nil, errorf(string(line[1:]))
+	case '+':
+		return string(line[1:]), nil
+	case ':':
+		v, err := strconv.ParseInt(string(line[1:]), 10, 64)
+		if err != nil {
+			return nil, err
+		}
+		return v, nil
+	case '$':
+		if len(line) == 3 && line[1] == '-' && line[2] == '1' {
+			return nil, Nil
+		}
+
+		replyLen, err := strconv.Atoi(string(line[1:]))
+		if err != nil {
+			return nil, err
+		}
+
+		b, err := readN(rd, replyLen+2)
+		if err != nil {
+			return nil, err
+		}
+		return string(b[:replyLen]), nil
+	case '*':
+		if len(line) == 3 && line[1] == '-' && line[2] == '1' {
+			return nil, Nil
+		}
+
+		repliesNum, err := strconv.ParseInt(string(line[1:]), 10, 64)
+		if err != nil {
+			return nil, err
+		}
+
+		return p(rd, repliesNum)
+	}
+	return nil, fmt.Errorf("redis: can't parse %q", line)
+}
+
+func parseSlice(rd *bufio.Reader, n int64) (interface{}, error) {
+	vals := make([]interface{}, 0, n)
+	for i := int64(0); i < n; i++ {
+		v, err := parseReply(rd, parseSlice)
+		if err == Nil {
+			vals = append(vals, nil)
+		} else if err != nil {
+			return nil, err
+		} else {
+			vals = append(vals, v)
+		}
+	}
+	return vals, nil
+}
+
+func parseStringSlice(rd *bufio.Reader, n int64) (interface{}, error) {
+	vals := make([]string, 0, n)
+	for i := int64(0); i < n; i++ {
+		viface, err := parseReply(rd, nil)
+		if err != nil {
+			return nil, err
+		}
+		v, ok := viface.(string)
+		if !ok {
+			return nil, fmt.Errorf("got %T, expected string", viface)
+		}
+		vals = append(vals, v)
+	}
+	return vals, nil
+}
+
+func parseBoolSlice(rd *bufio.Reader, n int64) (interface{}, error) {
+	vals := make([]bool, 0, n)
+	for i := int64(0); i < n; i++ {
+		viface, err := parseReply(rd, nil)
+		if err != nil {
+			return nil, err
+		}
+		v, ok := viface.(int64)
+		if !ok {
+			return nil, fmt.Errorf("got %T, expected int64", viface)
+		}
+		vals = append(vals, v == 1)
+	}
+	return vals, nil
+}
+
+func parseStringStringMap(rd *bufio.Reader, n int64) (interface{}, error) {
+	m := make(map[string]string, n/2)
+	for i := int64(0); i < n; i += 2 {
+		keyiface, err := parseReply(rd, nil)
+		if err != nil {
+			return nil, err
+		}
+		key, ok := keyiface.(string)
+		if !ok {
+			return nil, fmt.Errorf("got %T, expected string", keyiface)
+		}
+
+		valueiface, err := parseReply(rd, nil)
+		if err != nil {
+			return nil, err
+		}
+		value, ok := valueiface.(string)
+		if !ok {
+			return nil, fmt.Errorf("got %T, expected string", valueiface)
+		}
+
+		m[key] = value
+	}
+	return m, nil
+}
+
+func parseZSlice(rd *bufio.Reader, n int64) (interface{}, error) {
+	zz := make([]Z, n/2)
+	for i := int64(0); i < n; i += 2 {
+		z := &zz[i/2]
+
+		memberiface, err := parseReply(rd, nil)
+		if err != nil {
+			return nil, err
+		}
+		member, ok := memberiface.(string)
+		if !ok {
+			return nil, fmt.Errorf("got %T, expected string", memberiface)
+		}
+		z.Member = member
+
+		scoreiface, err := parseReply(rd, nil)
+		if err != nil {
+			return nil, err
+		}
+		scorestr, ok := scoreiface.(string)
+		if !ok {
+			return nil, fmt.Errorf("got %T, expected string", scoreiface)
+		}
+		score, err := strconv.ParseFloat(scorestr, 64)
+		if err != nil {
+			return nil, err
+		}
+		z.Score = score
+	}
+	return zz, nil
+}