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Copy pathtypes.go
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172 lines (156 loc) · 4.29 KB
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// Copyright (c) 2015-2023 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package grid
import (
"errors"
"github.com/tinylib/msgp/msgp"
)
// MSS is a map[string]string that can be serialized.
// It is not very efficient, but it is only used for easy parameter passing.
type MSS map[string]string
// Get returns the value for the given key.
func (m *MSS) Get(key string) string {
if m == nil {
return ""
}
return (*m)[key]
}
// UnmarshalMsg deserializes b from the provided byte slice and returns the
// remainder of bytes.
func (m *MSS) UnmarshalMsg(bts []byte) (o []byte, err error) {
if m == nil {
return bts, errors.New("MSS: UnmarshalMsg on nil pointer")
}
if msgp.IsNil(bts) {
bts = bts[1:]
*m = nil
return bts, nil
}
var zb0002 uint32
zb0002, bts, err = msgp.ReadMapHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Values")
return
}
dst := *m
if dst == nil {
dst = make(map[string]string, zb0002)
} else if len(dst) > 0 {
for key := range dst {
delete(dst, key)
}
}
for zb0002 > 0 {
var za0001 string
var za0002 string
zb0002--
za0001, bts, err = msgp.ReadStringBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Values")
return
}
za0002, bts, err = msgp.ReadStringBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Values", za0001)
return
}
dst[za0001] = za0002
}
*m = dst
return bts, nil
}
// MarshalMsg appends the bytes representation of b to the provided byte slice.
func (m *MSS) MarshalMsg(bytes []byte) (o []byte, err error) {
if m == nil || *m == nil {
return msgp.AppendNil(bytes), nil
}
o = msgp.AppendMapHeader(bytes, uint32(len(*m)))
for za0001, za0002 := range *m {
o = msgp.AppendString(o, za0001)
o = msgp.AppendString(o, za0002)
}
return o, nil
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message.
func (m *MSS) Msgsize() int {
if m == nil || *m == nil {
return msgp.NilSize
}
s := msgp.MapHeaderSize
for za0001, za0002 := range *m {
s += msgp.StringPrefixSize + len(za0001) + msgp.StringPrefixSize + len(za0002)
}
return s
}
// NewMSS returns a new MSS.
func NewMSS() *MSS {
m := MSS(make(map[string]string))
return &m
}
// NewMSSWith returns a new MSS with the given map.
func NewMSSWith(m map[string]string) *MSS {
m2 := MSS(m)
return &m2
}
// NewBytes returns a new Bytes.
func NewBytes() *Bytes {
b := Bytes(GetByteBuffer()[:0])
return &b
}
// NewBytesWith returns a new Bytes with the provided content.
func NewBytesWith(b []byte) *Bytes {
bb := Bytes(b)
return &bb
}
// Bytes provides a byte slice that can be serialized.
type Bytes []byte
// UnmarshalMsg deserializes b from the provided byte slice and returns the
// remainder of bytes.
func (b *Bytes) UnmarshalMsg(bytes []byte) ([]byte, error) {
if b == nil {
return bytes, errors.New("Bytes: UnmarshalMsg on nil pointer")
}
if bytes, err := msgp.ReadNilBytes(bytes); err == nil {
*b = nil
return bytes, nil
}
val, bytes, err := msgp.ReadBytesZC(bytes)
if err != nil {
return bytes, err
}
if cap(*b) >= len(val) {
*b = (*b)[:len(val)]
copy(*b, val)
} else {
*b = append(make([]byte, 0, len(val)), val...)
}
return bytes, nil
}
// MarshalMsg appends the bytes representation of b to the provided byte slice.
func (b *Bytes) MarshalMsg(bytes []byte) ([]byte, error) {
if b == nil || *b == nil {
return msgp.AppendNil(bytes), nil
}
return msgp.AppendBytes(bytes, *b), nil
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message.
func (b *Bytes) Msgsize() int {
if b == nil || *b == nil {
return msgp.NilSize
}
return msgp.ArrayHeaderSize + len(*b)
}