/
bytes.go
92 lines (76 loc) · 1.99 KB
/
bytes.go
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// Copyright(c) 2018 DSiSc Group All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package common
import (
"fmt"
"strconv"
)
// ---------------------------
// package Struct Bytes
type Bytes []byte
// New new Bytes
func NewBytes(data []byte) *Bytes {
var bz Bytes
bz = append(bz, data...)
return &bz
}
// Marshal needed for protobuf compatibility
func (bz Bytes) Marshal() ([]byte, error) {
return bz, nil
}
// Unmarshal needed for protobuf compatibility
func (bz *Bytes) Unmarshal(data []byte) error {
*bz = data
return nil
}
// MarshalJSON implement encoding/json Marshaler interface.
func (bz Bytes) MarshalJSON() ([]byte, error) {
js := strconv.Quote(Ghex.EncodeToString(bz))
return []byte(js), nil
}
// This is the point of Bytes.
func (bz *Bytes) UnmarshalJSON(data []byte) error {
if string(data) == `""` {
*bz = []byte(``)
return nil
}
unQuote, err := strconv.Unquote(string(data))
if err != nil {
return err
}
bzDecode, err := Ghex.DecodeString(unQuote)
if err != nil {
return err
}
*bz = bzDecode
return nil
}
func (bz *Bytes) UnmarshalText(data []byte) error {
return bz.UnmarshalJSON(data)
}
// Allow it to fulfill various interfaces in light-client, etc...
func (bz Bytes) Bytes() []byte {
return bz
}
func (bz Bytes) String() string {
return Ghex.EncodeToString(bz)
}
func (bz Bytes) Format(s fmt.State, verb rune) {
switch verb {
case 'p':
s.Write([]byte(fmt.Sprintf("%p", bz)))
default:
s.Write([]byte(fmt.Sprintf("%X", []byte(bz))))
}
}