122 lines
2.8 KiB
Go
122 lines
2.8 KiB
Go
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//
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// base64.go
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// Copyright (C) 2022 tiglog <me@tiglog.com>
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//
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// Distributed under terms of the MIT license.
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//
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package gbase64
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import (
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"encoding/base64"
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"io/ioutil"
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)
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// Encode encodes bytes with BASE64 algorithm.
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func Encode(src []byte) []byte {
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dst := make([]byte, base64.StdEncoding.EncodedLen(len(src)))
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base64.StdEncoding.Encode(dst, src)
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return dst
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}
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// EncodeString encodes string with BASE64 algorithm.
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func EncodeString(src string) string {
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return EncodeToString([]byte(src))
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}
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// EncodeToString encodes bytes to string with BASE64 algorithm.
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func EncodeToString(src []byte) string {
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return string(Encode(src))
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}
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// EncodeFile encodes file content of `path` using BASE64 algorithms.
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func EncodeFile(path string) ([]byte, error) {
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content, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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}
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return Encode(content), nil
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}
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// MustEncodeFile encodes file content of `path` using BASE64 algorithms.
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// It panics if any error occurs.
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func MustEncodeFile(path string) []byte {
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result, err := EncodeFile(path)
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if err != nil {
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panic(err)
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}
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return result
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}
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// EncodeFileToString encodes file content of `path` to string using BASE64 algorithms.
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func EncodeFileToString(path string) (string, error) {
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content, err := EncodeFile(path)
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if err != nil {
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return "", err
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}
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return string(content), nil
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}
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// MustEncodeFileToString encodes file content of `path` to string using BASE64 algorithms.
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// It panics if any error occurs.
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func MustEncodeFileToString(path string) string {
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result, err := EncodeFileToString(path)
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if err != nil {
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panic(err)
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}
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return result
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}
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// Decode decodes bytes with BASE64 algorithm.
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func Decode(data []byte) ([]byte, error) {
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var (
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src = make([]byte, base64.StdEncoding.DecodedLen(len(data)))
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n, err = base64.StdEncoding.Decode(src, data)
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)
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if err != nil {
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return nil, err
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}
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return src[:n], nil
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}
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// MustDecode decodes bytes with BASE64 algorithm.
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// It panics if any error occurs.
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func MustDecode(data []byte) []byte {
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result, err := Decode(data)
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if err != nil {
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panic(err)
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}
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return result
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}
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// DecodeString decodes string with BASE64 algorithm.
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func DecodeString(data string) ([]byte, error) {
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return Decode([]byte(data))
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}
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// MustDecodeString decodes string with BASE64 algorithm.
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// It panics if any error occurs.
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func MustDecodeString(data string) []byte {
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result, err := DecodeString(data)
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if err != nil {
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panic(err)
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}
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return result
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}
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// DecodeToString decodes string with BASE64 algorithm.
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func DecodeToString(data string) (string, error) {
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b, err := DecodeString(data)
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return string(b), err
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}
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// MustDecodeToString decodes string with BASE64 algorithm.
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// It panics if any error occurs.
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func MustDecodeToString(data string) string {
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result, err := DecodeToString(data)
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if err != nil {
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panic(err)
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}
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return result
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}
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