diff options
Diffstat (limited to 'rlp')
| -rw-r--r-- | rlp/decode.go | 43 | ||||
| -rw-r--r-- | rlp/encode.go | 21 |
2 files changed, 27 insertions, 37 deletions
diff --git a/rlp/decode.go b/rlp/decode.go index 60d9dab2b..dbbe59959 100644 --- a/rlp/decode.go +++ b/rlp/decode.go @@ -29,6 +29,23 @@ import ( ) var ( + // EOL is returned when the end of the current list + // has been reached during streaming. + EOL = errors.New("rlp: end of list") + + // Actual Errors + ErrExpectedString = errors.New("rlp: expected String or Byte") + ErrExpectedList = errors.New("rlp: expected List") + ErrCanonInt = errors.New("rlp: non-canonical integer format") + ErrCanonSize = errors.New("rlp: non-canonical size information") + ErrElemTooLarge = errors.New("rlp: element is larger than containing list") + ErrValueTooLarge = errors.New("rlp: value size exceeds available input length") + ErrMoreThanOneValue = errors.New("rlp: input contains more than one value") + + // internal errors + errNotInList = errors.New("rlp: call of ListEnd outside of any list") + errNotAtEOL = errors.New("rlp: call of ListEnd not positioned at EOL") + errUintOverflow = errors.New("rlp: uint overflow") errNoPointer = errors.New("rlp: interface given to Decode must be a pointer") errDecodeIntoNil = errors.New("rlp: pointer given to Decode must not be nil") ) @@ -274,9 +291,8 @@ func makeListDecoder(typ reflect.Type, tag tags) (decoder, error) { if etype.Kind() == reflect.Uint8 && !reflect.PtrTo(etype).Implements(decoderInterface) { if typ.Kind() == reflect.Array { return decodeByteArray, nil - } else { - return decodeByteSlice, nil } + return decodeByteSlice, nil } etypeinfo, err := cachedTypeInfo1(etype, tags{}) if err != nil { @@ -555,29 +571,6 @@ func (k Kind) String() string { } } -var ( - // EOL is returned when the end of the current list - // has been reached during streaming. - EOL = errors.New("rlp: end of list") - - // Actual Errors - ErrExpectedString = errors.New("rlp: expected String or Byte") - ErrExpectedList = errors.New("rlp: expected List") - ErrCanonInt = errors.New("rlp: non-canonical integer format") - ErrCanonSize = errors.New("rlp: non-canonical size information") - ErrElemTooLarge = errors.New("rlp: element is larger than containing list") - ErrValueTooLarge = errors.New("rlp: value size exceeds available input length") - - // This error is reported by DecodeBytes if the slice contains - // additional data after the first RLP value. - ErrMoreThanOneValue = errors.New("rlp: input contains more than one value") - - // internal errors - errNotInList = errors.New("rlp: call of ListEnd outside of any list") - errNotAtEOL = errors.New("rlp: call of ListEnd not positioned at EOL") - errUintOverflow = errors.New("rlp: uint overflow") -) - // ByteReader must be implemented by any input reader for a Stream. It // is implemented by e.g. bufio.Reader and bytes.Reader. type ByteReader interface { diff --git a/rlp/encode.go b/rlp/encode.go index 44592c2f5..445b4b5b2 100644 --- a/rlp/encode.go +++ b/rlp/encode.go @@ -92,7 +92,7 @@ func Encode(w io.Writer, val interface{}) error { return eb.toWriter(w) } -// EncodeBytes returns the RLP encoding of val. +// EncodeToBytes returns the RLP encoding of val. // Please see the documentation of Encode for the encoding rules. func EncodeToBytes(val interface{}) ([]byte, error) { eb := encbufPool.Get().(*encbuf) @@ -104,7 +104,7 @@ func EncodeToBytes(val interface{}) ([]byte, error) { return eb.toBytes(), nil } -// EncodeReader returns a reader from which the RLP encoding of val +// EncodeToReader returns a reader from which the RLP encoding of val // can be read. The returned size is the total size of the encoded // data. // @@ -151,11 +151,10 @@ func puthead(buf []byte, smalltag, largetag byte, size uint64) int { if size < 56 { buf[0] = smalltag + byte(size) return 1 - } else { - sizesize := putint(buf[1:], size) - buf[0] = largetag + byte(sizesize) - return sizesize + 1 } + sizesize := putint(buf[1:], size) + buf[0] = largetag + byte(sizesize) + return sizesize + 1 } // encbufs are pooled. @@ -218,7 +217,7 @@ func (w *encbuf) list() *listhead { func (w *encbuf) listEnd(lh *listhead) { lh.size = w.size() - lh.offset - lh.size if lh.size < 56 { - w.lhsize += 1 // length encoded into kind tag + w.lhsize++ // length encoded into kind tag } else { w.lhsize += 1 + intsize(uint64(lh.size)) } @@ -322,10 +321,9 @@ func (r *encReader) next() []byte { p := r.buf.str[r.strpos:head.offset] r.strpos += sizebefore return p - } else { - r.lhpos++ - return head.encode(r.buf.sizebuf) } + r.lhpos++ + return head.encode(r.buf.sizebuf) case r.strpos < len(r.buf.str): // String data at the end, after all list headers. @@ -576,9 +574,8 @@ func makePtrWriter(typ reflect.Type) (writer, error) { writer := func(val reflect.Value, w *encbuf) error { if val.IsNil() { return nilfunc(w) - } else { - return etypeinfo.writer(val.Elem(), w) } + return etypeinfo.writer(val.Elem(), w) } return writer, err } |