diff options
Diffstat (limited to 'vendor/gopkg.in/sourcemap.v1/base64vlq/base64_vlq.go')
| -rw-r--r-- | vendor/gopkg.in/sourcemap.v1/base64vlq/base64_vlq.go | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/vendor/gopkg.in/sourcemap.v1/base64vlq/base64_vlq.go b/vendor/gopkg.in/sourcemap.v1/base64vlq/base64_vlq.go index 598b40460..16cbfb56f 100644 --- a/vendor/gopkg.in/sourcemap.v1/base64vlq/base64_vlq.go +++ b/vendor/gopkg.in/sourcemap.v1/base64vlq/base64_vlq.go @@ -14,22 +14,19 @@ const ( vlqContinuationBit = vlqBase ) -var ( - decodeMap [256]int -) +var decodeMap [256]byte func init() { for i := 0; i < len(encodeStd); i++ { - decodeMap[encodeStd[i]] = i + decodeMap[encodeStd[i]] = byte(i) } } func toVLQSigned(n int) int { if n < 0 { return -n<<1 + 1 - } else { - return n << 1 } + return n << 1 } func fromVLQSigned(n int) int { @@ -51,7 +48,7 @@ func NewEncoder(w io.ByteWriter) *Encoder { } } -func (enc *Encoder) Encode(n int) error { +func (enc Encoder) Encode(n int) error { n = toVLQSigned(n) for digit := vlqContinuationBit; digit&vlqContinuationBit != 0; { digit = n & vlqBaseMask @@ -59,6 +56,7 @@ func (enc *Encoder) Encode(n int) error { if n > 0 { digit |= vlqContinuationBit } + err := enc.w.WriteByte(encodeStd[digit]) if err != nil { return err @@ -77,7 +75,7 @@ func NewDecoder(r io.ByteReader) *Decoder { } } -func (dec *Decoder) Decode() (n int, err error) { +func (dec Decoder) Decode() (n int, err error) { shift := uint(0) for continuation := true; continuation; { c, err := dec.r.ReadByte() @@ -85,10 +83,9 @@ func (dec *Decoder) Decode() (n int, err error) { return 0, err } - digit := decodeMap[c] - continuation = digit&vlqContinuationBit != 0 - digit &= vlqBaseMask - n = n + digit<<shift + c = decodeMap[c] + continuation = c&vlqContinuationBit != 0 + n += int(c&vlqBaseMask) << shift shift += vlqBaseShift } return fromVLQSigned(n), nil |