You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1016 B
37 lines
1016 B
// Copyright 2009 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build !amd64 gccgo appengine
|
|
|
|
package hex
|
|
|
|
// RawEncode encodes src into EncodedLen(len(src))
|
|
// bytes of dst. As a convenience, it returns the number
|
|
// of bytes written to dst, but this value is always EncodedLen(len(src)).
|
|
// RawEncode implements hexadecimal encoding for a given alphabet.
|
|
func RawEncode(dst, src, alpha []byte) int {
|
|
if len(alpha) != 16 {
|
|
panic("invalid alphabet")
|
|
}
|
|
|
|
encodeGeneric(dst, src, alpha)
|
|
return len(src) * 2
|
|
}
|
|
|
|
// Decode decodes src into DecodedLen(len(src)) bytes, returning the actual
|
|
// number of bytes written to dst.
|
|
//
|
|
// If Decode encounters invalid input, it returns an error describing the failure.
|
|
func Decode(dst, src []byte) (int, error) {
|
|
if len(src)%2 == 1 {
|
|
return 0, errLength
|
|
}
|
|
|
|
if n, ok := decodeGeneric(dst, src); !ok {
|
|
return 0, InvalidByteError(src[n])
|
|
}
|
|
|
|
return len(src) / 2, nil
|
|
}
|