1 // Copyright 2020 The CUE Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // Copyright 2018 The Go Authors. All rights reserved. 16 // Use of this source code is governed by a BSD-style 17 // license that can be found in the LICENSE file. 18 19 // Originally generated with: go run qgo.go -stripstr -exclude=Decode$,Encode$,EncodeToString,Dumper extract encoding/hex 20 21 package hex 22 23 import "encoding/hex" 24 25 // EncodedLen returns the length of an encoding of n source bytes. 26 // Specifically, it returns n * 2. 27 func EncodedLen(n int) int { 28 return hex.EncodedLen(n) 29 } 30 31 // DecodedLen returns the length of a decoding of x source bytes. 32 // Specifically, it returns x / 2. 33 func DecodedLen(x int) int { 34 return hex.DecodedLen(x) 35 } 36 37 // Decode returns the bytes represented by the hexadecimal string s. 38 // 39 // Decode expects that src contains only hexadecimal 40 // characters and that src has even length. 41 // If the input is malformed, Decode returns 42 // the bytes decoded before the error. 43 func Decode(s string) ([]byte, error) { 44 return hex.DecodeString(s) 45 } 46 47 // Dump returns a string that contains a hex dump of the given data. The format 48 // of the hex dump matches the output of `hexdump -C` on the command line. 49 func Dump(data []byte) string { 50 return hex.Dump(data) 51 } 52