kubernetes marshal 源码
kubernetes marshal 代码
文件路径：/staging/src/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1/marshal.go
/*
Copyright 2019 The Kubernetes Authors.
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 v1
import (
"bytes"
"errors"
"k8s.io/apimachinery/pkg/util/json"
)
var jsTrue = []byte("true")
var jsFalse = []byte("false")
func (s JSONSchemaPropsOrBool) MarshalJSON() ([]byte, error) {
if s.Schema != nil {
return json.Marshal(s.Schema)
}
if s.Schema == nil && !s.Allows {
return jsFalse, nil
}
return jsTrue, nil
}
func (s *JSONSchemaPropsOrBool) UnmarshalJSON(data []byte) error {
var nw JSONSchemaPropsOrBool
switch {
case len(data) == 0:
case data[0] == '{':
var sch JSONSchemaProps
if err := json.Unmarshal(data, &sch); err != nil {
return err
}
nw.Allows = true
nw.Schema = &sch
case len(data) == 4 && string(data) == "true":
nw.Allows = true
case len(data) == 5 && string(data) == "false":
nw.Allows = false
default:
return errors.New("boolean or JSON schema expected")
}
*s = nw
return nil
}
func (s JSONSchemaPropsOrStringArray) MarshalJSON() ([]byte, error) {
if len(s.Property) > 0 {
return json.Marshal(s.Property)
}
if s.Schema != nil {
return json.Marshal(s.Schema)
}
return []byte("null"), nil
}
func (s *JSONSchemaPropsOrStringArray) UnmarshalJSON(data []byte) error {
var first byte
if len(data) > 1 {
first = data[0]
}
var nw JSONSchemaPropsOrStringArray
if first == '{' {
var sch JSONSchemaProps
if err := json.Unmarshal(data, &sch); err != nil {
return err
}
nw.Schema = &sch
}
if first == '[' {
if err := json.Unmarshal(data, &nw.Property); err != nil {
return err
}
}
*s = nw
return nil
}
func (s JSONSchemaPropsOrArray) MarshalJSON() ([]byte, error) {
if len(s.JSONSchemas) > 0 {
return json.Marshal(s.JSONSchemas)
}
return json.Marshal(s.Schema)
}
func (s *JSONSchemaPropsOrArray) UnmarshalJSON(data []byte) error {
var nw JSONSchemaPropsOrArray
var first byte
if len(data) > 1 {
first = data[0]
}
if first == '{' {
var sch JSONSchemaProps
if err := json.Unmarshal(data, &sch); err != nil {
return err
}
nw.Schema = &sch
}
if first == '[' {
if err := json.Unmarshal(data, &nw.JSONSchemas); err != nil {
return err
}
}
*s = nw
return nil
}
func (s JSON) MarshalJSON() ([]byte, error) {
if len(s.Raw) > 0 {
return s.Raw, nil
}
return []byte("null"), nil
}
func (s *JSON) UnmarshalJSON(data []byte) error {
if len(data) > 0 && !bytes.Equal(data, nullLiteral) {
s.Raw = data
}
return nil
}
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