Vendor temporarily

vendor/github.com/vmihailenco/msgpack/decode_string.go

@@ -0,0 +1,175 @@
+package msgpack
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/vmihailenco/msgpack/codes"
+)
+
+func (d *Decoder) bytesLen(c codes.Code) (int, error) {
+	if c == codes.Nil {
+		return -1, nil
+	} else if codes.IsFixedString(c) {
+		return int(c & codes.FixedStrMask), nil
+	}
+	switch c {
+	case codes.Str8, codes.Bin8:
+		n, err := d.uint8()
+		return int(n), err
+	case codes.Str16, codes.Bin16:
+		n, err := d.uint16()
+		return int(n), err
+	case codes.Str32, codes.Bin32:
+		n, err := d.uint32()
+		return int(n), err
+	}
+	return 0, fmt.Errorf("msgpack: invalid code=%x decoding bytes length", c)
+}
+
+func (d *Decoder) DecodeString() (string, error) {
+	c, err := d.readCode()
+	if err != nil {
+		return "", err
+	}
+	return d.string(c)
+}
+
+func (d *Decoder) string(c codes.Code) (string, error) {
+	n, err := d.bytesLen(c)
+	if err != nil {
+		return "", err
+	}
+	if n == -1 {
+		return "", nil
+	}
+	b, err := d.readN(n)
+	return string(b), err
+}
+
+func decodeStringValue(d *Decoder, v reflect.Value) error {
+	s, err := d.DecodeString()
+	if err != nil {
+		return err
+	}
+	if err = mustSet(v); err != nil {
+		return err
+	}
+	v.SetString(s)
+	return nil
+}
+
+func (d *Decoder) DecodeBytesLen() (int, error) {
+	c, err := d.readCode()
+	if err != nil {
+		return 0, err
+	}
+	return d.bytesLen(c)
+}
+
+func (d *Decoder) DecodeBytes() ([]byte, error) {
+	c, err := d.readCode()
+	if err != nil {
+		return nil, err
+	}
+	return d.bytes(c, nil)
+}
+
+func (d *Decoder) bytes(c codes.Code, b []byte) ([]byte, error) {
+	n, err := d.bytesLen(c)
+	if err != nil {
+		return nil, err
+	}
+	if n == -1 {
+		return nil, nil
+	}
+	return readN(d.r, b, n)
+}
+
+func (d *Decoder) bytesNoCopy() ([]byte, error) {
+	c, err := d.readCode()
+	if err != nil {
+		return nil, err
+	}
+	n, err := d.bytesLen(c)
+	if err != nil {
+		return nil, err
+	}
+	if n == -1 {
+		return nil, nil
+	}
+	return d.readN(n)
+}
+
+func (d *Decoder) decodeBytesPtr(ptr *[]byte) error {
+	c, err := d.readCode()
+	if err != nil {
+		return err
+	}
+	return d.bytesPtr(c, ptr)
+}
+
+func (d *Decoder) bytesPtr(c codes.Code, ptr *[]byte) error {
+	n, err := d.bytesLen(c)
+	if err != nil {
+		return err
+	}
+	if n == -1 {
+		*ptr = nil
+		return nil
+	}
+
+	*ptr, err = readN(d.r, *ptr, n)
+	return err
+}
+
+func (d *Decoder) skipBytes(c codes.Code) error {
+	n, err := d.bytesLen(c)
+	if err != nil {
+		return err
+	}
+	if n == -1 {
+		return nil
+	}
+	return d.skipN(n)
+}
+
+func decodeBytesValue(d *Decoder, v reflect.Value) error {
+	c, err := d.readCode()
+	if err != nil {
+		return err
+	}
+
+	b, err := d.bytes(c, v.Bytes())
+	if err != nil {
+		return err
+	}
+
+	if err = mustSet(v); err != nil {
+		return err
+	}
+	v.SetBytes(b)
+
+	return nil
+}
+
+func decodeByteArrayValue(d *Decoder, v reflect.Value) error {
+	c, err := d.readCode()
+	if err != nil {
+		return err
+	}
+
+	n, err := d.bytesLen(c)
+	if err != nil {
+		return err
+	}
+	if n == -1 {
+		return nil
+	}
+	if n > v.Len() {
+		return fmt.Errorf("%s len is %d, but msgpack has %d elements", v.Type(), v.Len(), n)
+	}
+
+	b := v.Slice(0, n).Bytes()
+	return d.readFull(b)
+}