energy/pkgs/json/json.go

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//----------------------------------------
//
// Copyright © yanghy. All Rights Reserved.
//
// Licensed under Apache License Version 2.0, January 2004
//
// https://www.apache.org/licenses/LICENSE-2.0
//
//----------------------------------------
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// 依赖于 json-iterator 或 encoding/json 的JSON字节数组序列化
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package json
import (
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"encoding/json"
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"github.com/energye/energy/common"
. "github.com/energye/energy/consts"
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jsoniter "github.com/json-iterator/go" //json-iterator or encoding/json
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"reflect"
"strconv"
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"strings"
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)
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// BaseJSON JSON基础对象
//
// 当前对象直接操作
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type BaseJSON interface {
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Size() int //返回数据数量
Type() GO_VALUE_TYPE //当前对象数量类型
Data() any //返回原始数据
String() string //返回 string 类型值
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Int() int //返回 int 类型值, 把所有数字类型都转换 int 返回
UInt() uint //返回 uint 类型值, 把所有数字类型都转换 uint 返回
Bytes() []byte //转换为 '[]byte' 并返回, 任意类型都将转换
Float() float64 //返回 float64 类型值 把所有数字类型都转换 float64 返回
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Bool() bool //返回 bool 类型值
JSONObject() JSONObject //返回 JSONObject 对象类型
JSONArray() JSONArray //返回 JSONArray 对象类型
ToJSONString() string //转换为JSON字符串并返回
IsString() bool //当前对象是否为 string
IsInt() bool //当前对象是否为 int
IsUInt() bool //当前对象是否为 uint
IsBytes() bool //当前对象是否为 []byte
IsFloat() bool //当前对象是否为 float64
IsBool() bool //当前对象是否为 bool
IsObject() bool //当前对象是否为 JSONObject
IsArray() bool //当前对象是否为 JSONArray
Clear() //清空所有数据,保留原始数据类型
Free() //释放数据空间,且类型失效,当前对象不可用
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}
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// JSONArray 数组类型 index
//
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// 根据下标操作数据,失败返回数据类型的默认值
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type JSONArray interface {
BaseJSON
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Add(value ...any) //添加任意类型数据
SetByIndex(index int, value any) //设置指定下标位置任意类型数据
RemoveByIndex(index int) //删除指定下标数据
GetStringByIndex(index int) string //根据下标返回 string 类型值
GetIntByIndex(index int) int //根据下标返回 int 类型值
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GetInt64ByIndex(index int) int64 //根据下标返回 int64 类型值
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GetUIntByIndex(index int) uint //根据下标返回 uint 类型值
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GetUInt64ByIndex(index int) uint64 //根据下标返回 uint64 类型值
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GetBytesByIndex(index int) []byte //根据下标返回 []byte 类型值
GetFloatByIndex(index int) float64 //根据下标返回 float64 类型值
GetBoolByIndex(index int) bool //根据下标返回 bool 类型值
GetArrayByIndex(index int) JSONArray //根据下标返回 JSONArray 类型值
GetObjectByIndex(index int) JSONObject //根据下标返回 JSONObject 类型值
GetByIndex(index int) JSON //根据下标返回 JSON 类型值
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}
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// JSONObject 对象类型 key=value
//
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// 根据key操作数据失败返回数据类型的默认值
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type JSONObject interface {
BaseJSON
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Set(key string, value any) //设置或覆盖指定key并设置新任意类型值
RemoveByKey(key string) //删除指定key数据
GetStringByKey(key string) string //根据 key 返回 string 类型值
GetIntByKey(key string) int //根据 key 返回 int 类型值
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GetInt64ByKey(key string) int64 //根据 key 返回 int64 类型值
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GetUIntByKey(key string) uint //根据 key 返回 uint 类型值
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GetUInt64ByKey(key string) uint64 //根据 key 返回 uint64 类型值
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GetBytesByKey(key string) []byte //根据 key 返回 []byte 类型值
GetFloatByKey(key string) float64 //根据 key 返回 float64 类型值
GetBoolByKey(key string) bool //根据 key 返回 bool 类型值
GetArrayByKey(key string) JSONArray //根据 key 返回 JSONArray 类型值
GetObjectByKey(key string) JSONObject //根据 key 返回 JSONObject 类型值
GetByKey(key string) JSON //根据 key 返回 JSON 类型值
Keys() []string //返回当前对象所有 key
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}
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// JSON Object
type JSON interface {
JSONArray
JSONObject
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}
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// jsonData JSON 数据结构
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type jsonData struct {
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T GO_VALUE_TYPE // type
S int // size
V any // value
}
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// NewJSON 返回 jsonData 对象JSONArray or JSONObject
func NewJSON(data []byte) JSON {
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if data == nil {
return nil
}
var v any
if err := jsoniter.Unmarshal(data, &v); err == nil {
rv := reflect.ValueOf(v)
switch rv.Kind() {
case reflect.Slice:
if v, ok := v.([]any); ok {
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return &jsonData{T: GO_VALUE_SLICE, V: v, S: len(v)}
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}
case reflect.Map:
if v, ok := v.(map[string]any); ok {
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return &jsonData{T: GO_VALUE_MAP, V: v, S: len(v)}
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}
}
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} else {
println("NewJSON error:", err.Error())
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}
return nil
}
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// NewJSONArray 字节JSONArray / 数组 / 切片 转换
func NewJSONArray(value any) JSONArray {
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if value != nil {
// 如果 []byte 就必须是 字节JSONArray
switch value.(type) {
case []byte:
if v := NewJSON(value.([]byte)); v != nil {
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return v.JSONArray()
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} else {
return nil
}
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case string:
if v := NewJSON([]byte(value.(string))); v != nil {
return v.JSONArray()
} else {
return nil
}
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}
rv := reflect.ValueOf(value)
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kind := rv.Kind()
if kind == reflect.Ptr {
kind = rv.Elem().Kind()
}
if kind != reflect.Slice && kind != reflect.Array {
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return nil
}
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//转为[]any类型
if byt, err := jsoniter.Marshal(value); err == nil {
var v []any
if err = jsoniter.Unmarshal(byt, &v); err == nil {
return &jsonData{T: GO_VALUE_SLICE, V: v, S: len(v)}
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}
}
}
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return &jsonData{T: GO_VALUE_SLICE, V: make([]any, 0), S: 0}
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}
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// NewJSONObject 字节JSONObject / 结构 / JSONObject 转换
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func NewJSONObject(value any) JSONObject {
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if value != nil {
// 如果 []byte 就必须是 字节JSONObject
switch value.(type) {
case []byte:
if v := NewJSON(value.([]byte)); v != nil {
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return v.JSONObject()
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} else {
return nil
}
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case string:
if v := NewJSON([]byte(value.(string))); v != nil {
return v.JSONObject()
} else {
return nil
}
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}
rv := reflect.ValueOf(value)
kind := rv.Kind()
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if kind == reflect.Ptr {
kind = rv.Elem().Kind()
}
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if kind != reflect.Map && kind != reflect.Struct {
return nil
}
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//转为map[string]any类型
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if byt, err := jsoniter.Marshal(value); err == nil {
var v map[string]any
if err = jsoniter.Unmarshal(byt, &v); err == nil {
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return &jsonData{T: GO_VALUE_MAP, V: v, S: len(v)}
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}
}
}
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return &jsonData{T: GO_VALUE_MAP, V: make(map[string]any), S: 0}
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}
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func (m *jsonData) Size() int {
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return m.S
}
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func (m *jsonData) Type() GO_VALUE_TYPE {
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return m.T
}
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func (m *jsonData) Data() any {
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return m.V
}
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func (m *jsonData) Add(value ...any) {
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if m.IsArray() {
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tmp := make([]any, len(value))
for i, v := range value {
switch v.(type) {
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case []byte:
if vv := NewJSON(v.([]byte)); v != nil {
tmp[i] = vv.Data()
} else {
tmp[i] = value
}
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case JSON:
tmp[i] = v.(JSON).Data()
case JSONObject:
tmp[i] = v.(JSONObject).Data()
case JSONArray:
tmp[i] = v.(JSONArray).Data()
default:
tmp[i] = v
}
}
m.V = append(m.V.([]any), tmp...)
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m.S += len(value)
}
}
func (m *jsonData) SetByIndex(index int, value any) {
if m.IsArray() && index < m.S {
switch value.(type) {
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case []byte:
if vv := NewJSON(value.([]byte)); vv != nil {
m.V.([]any)[index] = vv.Data()
} else {
m.V.([]any)[index] = value
}
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case JSON:
m.V.([]any)[index] = value.(JSON).Data()
case JSONObject:
m.V.([]any)[index] = value.(JSONObject).Data()
case JSONArray:
m.V.([]any)[index] = value.(JSONArray).Data()
default:
m.V.([]any)[index] = value
}
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}
}
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func (m *jsonData) RemoveByIndex(index int) {
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if m.IsArray() && index >= 0 && index < m.S {
v := m.V.([]any)
m.V = append(v[:index], v[index+1:]...)
m.S--
}
}
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func (m *jsonData) GetStringByIndex(index int) string {
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if m.IsArray() && index < m.S {
if r, ok := m.V.([]any)[index].(string); ok {
return r
}
}
return ""
}
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func (m *jsonData) GetIntByIndex(index int) int {
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if m.IsArray() && index < m.S {
return m.toInt(m.V.([]any)[index])
}
return 0
}
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func (m *jsonData) GetInt64ByIndex(index int) int64 {
if m.IsArray() && index < m.S {
return m.toInt64(m.V.([]any)[index])
}
return 0
}
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func (m *jsonData) GetUIntByIndex(index int) uint {
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if m.IsArray() && index < m.S {
return m.toUInt(m.V.([]any)[index])
}
return 0
}
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func (m *jsonData) GetUInt64ByIndex(index int) uint64 {
if m.IsArray() && index < m.S {
return m.toUInt64(m.V.([]any)[index])
}
return 0
}
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func (m *jsonData) GetBytesByIndex(index int) []byte {
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if m.IsArray() && index < m.S {
return m.toBytes(m.V.([]any)[index])
}
return nil
}
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func (m *jsonData) GetFloatByIndex(index int) float64 {
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if m.IsArray() && index < m.S {
return m.toFloat64(m.V.([]any)[index])
}
return 0
}
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func (m *jsonData) GetBoolByIndex(index int) bool {
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if m.IsArray() && index < m.S {
s := m.V.([]any)[index]
switch s.(type) {
case bool:
return s.(bool)
}
}
return false
}
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func (m *jsonData) GetArrayByIndex(index int) JSONArray {
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if m.IsArray() && index < m.S {
if v, ok := m.V.([]any)[index].([]any); ok {
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return &jsonData{T: GO_VALUE_SLICE, V: v, S: len(v)}
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}
}
return nil
}
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func (m *jsonData) GetObjectByIndex(index int) JSONObject {
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if m.IsArray() && index < m.S {
if v, ok := m.V.([]any)[index].(map[string]any); ok {
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return &jsonData{T: GO_VALUE_MAP, V: v, S: len(v)}
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}
}
return nil
}
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func (m *jsonData) GetByIndex(index int) JSON {
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if m.IsArray() && index < m.S {
s := m.V.([]any)[index]
switch s.(type) {
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case json.Number:
if v, err := s.(json.Number).Int64(); err == nil {
return &jsonData{T: GO_VALUE_INT, V: v, S: strconv.IntSize}
}
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case string:
if r, ok := s.(string); ok {
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return &jsonData{T: GO_VALUE_STRING, V: r, S: len(r)}
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}
case int, int8, int16, int32, int64:
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if s := m.GetIntByIndex(index); s != 0 {
return &jsonData{T: GO_VALUE_INT, V: s, S: strconv.IntSize}
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}
case uint, uint8, uint16, uint32, uint64:
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if s := m.GetUIntByIndex(index); s != 0 {
return &jsonData{T: GO_VALUE_UINT, V: s, S: strconv.IntSize}
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}
case []byte:
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if s := m.GetBytesByIndex(index); s != nil {
return &jsonData{T: GO_VALUE_SLICE_BYTE, V: s, S: len(s)}
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}
case float32, float64:
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//不带有 . 转为 int 类型
sv := m.toFloat64(s)
if strings.Index(strconv.FormatFloat(sv, 'G', -1, 64), ".") != -1 {
return &jsonData{T: GO_VALUE_FLOAT64, V: sv, S: 8}
} else {
return &jsonData{T: GO_VALUE_INT, V: sv, S: strconv.IntSize}
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}
case bool:
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return &jsonData{T: GO_VALUE_BOOL, V: m.GetBoolByIndex(index), S: 1}
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case []any:
if index < m.S {
if v, ok := m.V.([]any)[index].([]any); ok {
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return &jsonData{T: GO_VALUE_SLICE, V: v, S: len(v)}
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}
}
case map[string]any:
if v, ok := s.(map[string]any); ok {
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return &jsonData{T: GO_VALUE_MAP, V: v, S: len(v)}
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}
}
}
return nil
}
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func (m *jsonData) Set(key string, value any) {
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if m.IsObject() {
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switch value.(type) {
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case []byte:
if vv := NewJSON(value.([]byte)); vv != nil {
value = vv.Data()
}
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case JSON:
value = value.(JSON).Data()
case JSONObject:
value = value.(JSONObject).Data()
case JSONArray:
value = value.(JSONArray).Data()
}
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m.V.(map[string]any)[key] = value
m.S++
}
}
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func (m *jsonData) RemoveByKey(key string) {
if m.IsObject() {
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if _, ok := m.V.(map[string]any)[key]; ok {
delete(m.V.(map[string]any), key)
m.S--
}
}
}
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func (m *jsonData) GetStringByKey(key string) string {
if m.IsObject() {
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if r, ok := m.V.(map[string]any)[key].(string); ok {
return r
}
}
return ""
}
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func (m *jsonData) GetIntByKey(key string) int {
if m.IsObject() {
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return m.toInt(m.V.(map[string]any)[key])
}
return 0
}
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func (m *jsonData) GetInt64ByKey(key string) int64 {
if m.IsObject() {
return m.toInt64(m.V.(map[string]any)[key])
}
return 0
}
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func (m *jsonData) GetUIntByKey(key string) uint {
if m.IsObject() {
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return m.toUInt(m.V.(map[string]any)[key])
}
return 0
}
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func (m *jsonData) GetUInt64ByKey(key string) uint64 {
if m.IsObject() {
return m.toUInt64(m.V.(map[string]any)[key])
}
return 0
}
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func (m *jsonData) GetBytesByKey(key string) []byte {
if m.IsObject() {
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return m.toBytes(m.V.(map[string]any)[key])
}
return nil
}
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func (m *jsonData) GetFloatByKey(key string) float64 {
if m.IsObject() {
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return m.toFloat64(m.V.(map[string]any)[key])
}
return 0
}
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func (m *jsonData) GetBoolByKey(key string) bool {
if m.IsObject() {
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if s, ok := m.V.(map[string]any)[key].(bool); ok {
return s
}
}
return false
}
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func (m *jsonData) GetArrayByKey(key string) JSONArray {
if m.IsObject() {
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if v, ok := m.V.(map[string]any)[key].([]any); ok {
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return &jsonData{T: GO_VALUE_SLICE, V: v, S: len(v)}
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}
}
return nil
}
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func (m *jsonData) GetObjectByKey(key string) JSONObject {
if m.IsObject() {
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if v, ok := m.V.(map[string]any)[key].(map[string]any); ok {
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return &jsonData{T: GO_VALUE_MAP, V: v, S: len(v)}
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}
}
return nil
}
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func (m *jsonData) GetByKey(key string) JSON {
if m.IsObject() {
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s := m.V.(map[string]any)[key]
switch s.(type) {
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case json.Number:
if v, err := s.(json.Number).Int64(); err == nil {
return &jsonData{T: GO_VALUE_INT, V: v, S: strconv.IntSize}
}
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case string:
if r, ok := s.(string); ok {
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return &jsonData{T: GO_VALUE_STRING, V: r, S: len(r)}
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}
case int, int8, int16, int32, int64:
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if s := m.GetIntByKey(key); s != 0 {
return &jsonData{T: GO_VALUE_INT, V: s, S: strconv.IntSize}
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}
case uint, uint8, uint16, uint32, uint64:
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if s := m.GetUIntByKey(key); s != 0 {
return &jsonData{T: GO_VALUE_UINT, V: s, S: strconv.IntSize}
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}
case []byte:
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if s := m.GetBytesByKey(key); s != nil {
return &jsonData{T: GO_VALUE_SLICE_BYTE, V: s, S: len(s)}
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}
case float32, float64:
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//不带有 . 转为 int 类型
sv := m.toFloat64(s)
if strings.Index(strconv.FormatFloat(sv, 'G', -1, 64), ".") != -1 {
return &jsonData{T: GO_VALUE_FLOAT64, V: sv, S: 8}
} else {
return &jsonData{T: GO_VALUE_INT, V: int(sv), S: strconv.IntSize}
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}
case bool:
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return &jsonData{T: GO_VALUE_BOOL, V: m.GetBytesByKey(key), S: 1}
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case []any:
if v, ok := m.V.(map[string]any)[key].([]any); ok {
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return &jsonData{T: GO_VALUE_SLICE, V: v, S: len(v)}
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}
case map[string]any:
if v, ok := s.(map[string]any); ok {
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return &jsonData{T: GO_VALUE_MAP, V: v, S: len(v)}
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}
}
}
return nil
}
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func (m *jsonData) String() string {
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if m.IsString() {
return m.V.(string)
}
return ""
}
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func (m *jsonData) Int() int {
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return m.toInt(m.V)
}
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func (m *jsonData) UInt() uint {
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return m.toUInt(m.V)
}
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func (m *jsonData) Bytes() []byte {
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return m.toBytes(m.V)
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}
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func (m *jsonData) Float() float64 {
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return m.toFloat64(m.V)
}
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func (m *jsonData) Bool() bool {
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if m.IsBool() {
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switch m.V.(type) {
case bool:
return m.V.(bool)
case []uint8:
if v := m.V.([]uint8); len(v) > 0 {
return v[0] != 0
}
}
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}
return false
}
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func (m *jsonData) JSONObject() JSONObject {
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if m.IsObject() {
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return m
}
return nil
}
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func (m *jsonData) JSONArray() JSONArray {
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if m.IsArray() {
return m
}
return nil
}
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func (m *jsonData) Keys() []string {
if m.IsObject() {
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var result []string
for key, _ := range m.V.(map[string]any) {
result = append(result, key)
}
return result
}
return nil
}
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func (m *jsonData) ToJSONString() string {
return string(m.Bytes())
}
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func (m *jsonData) IsString() bool {
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return m.T == GO_VALUE_STRING
}
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func (m *jsonData) IsInt() bool {
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return m.T == GO_VALUE_INT
}
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func (m *jsonData) IsUInt() bool {
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return m.T == GO_VALUE_UINT
}
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func (m *jsonData) IsBytes() bool {
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return m.T == GO_VALUE_SLICE_BYTE
}
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func (m *jsonData) IsFloat() bool {
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return m.T == GO_VALUE_FLOAT64
}
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func (m *jsonData) IsBool() bool {
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return m.T == GO_VALUE_BOOL
}
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func (m *jsonData) IsObject() bool {
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return m.T == GO_VALUE_MAP
}
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func (m *jsonData) IsArray() bool {
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return m.T == GO_VALUE_SLICE
}
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func (m *jsonData) Clear() {
if m.IsObject() {
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m.V = make(map[string]any, 0)
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} else if m.IsArray() {
m.V = make([]any, 0)
} else {
m.V = nil
}
m.S = 0
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}
func (m *jsonData) Free() {
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if m == nil {
return
}
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m.V = nil
m.S = 0
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m.T = GO_VALUE_INVALID
}
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func (m *jsonData) toBytes(s any) []byte {
switch s.(type) {
case []byte:
return s.([]byte)
case string:
return []byte(s.(string))
case bool:
return []byte{common.BoolToByte(s.(bool))}
case float32:
return common.Float32ToBytes(s.(float32))
case float64:
return common.Float64ToBytes(s.(float64))
case int:
return common.IntToBytes(s.(int))
case int8:
return common.Int8ToBytes(s.(int8))
case int16:
return common.Int16ToBytes(s.(int16))
case int32:
return common.Int32ToBytes(s.(int32))
case int64:
return common.Int64ToBytes(s.(int64))
case uint:
return common.UIntToBytes(s.(uint))
case uint8:
return common.UInt8ToBytes(s.(uint8))
case uint16:
return common.UInt16ToBytes(s.(uint16))
case uint32:
return common.UInt32ToBytes(s.(uint32))
case uint64:
return common.UInt64ToBytes(s.(uint64))
default: // slice or map or other
if r, err := jsoniter.Marshal(s); err == nil {
return r
}
}
return nil
}
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func (m *jsonData) toFloat64(s any) float64 {
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switch s.(type) {
case float32:
return float64(s.(float32))
case float64:
return s.(float64)
case int:
return float64(s.(int))
case int8:
return float64(s.(int8))
case int16:
return float64(s.(int16))
case int32:
return float64(s.(int32))
case int64:
return float64(s.(int64))
case uint:
return float64(s.(uint))
case uint8:
return float64(s.(uint8))
case uint16:
return float64(s.(uint16))
case uint32:
return float64(s.(uint32))
case uint64:
return float64(s.(uint64))
}
return 0
}
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func (m *jsonData) toInt(s any) int {
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switch s.(type) {
case float32:
return int(s.(float32))
case float64:
return int(s.(float64))
case int:
return s.(int)
case int8:
return int(s.(int8))
case int16:
return int(s.(int16))
case int32:
return int(s.(int32))
case int64:
return int(s.(int64))
case uint:
return int(s.(uint))
case uint8:
return int(s.(uint8))
case uint16:
return int(s.(uint16))
case uint32:
return int(s.(uint32))
case uint64:
return int(s.(uint64))
}
return 0
}
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func (m *jsonData) toUInt(s any) uint {
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switch s.(type) {
case float32:
return uint(s.(float32))
case float64:
return uint(s.(float64))
case int:
return uint(s.(int))
case int8:
return uint(s.(int8))
case int16:
return uint(s.(int16))
case int32:
return uint(s.(int32))
case int64:
return uint(s.(int64))
case uint:
return s.(uint)
case uint8:
return uint(s.(uint8))
case uint16:
return uint(s.(uint16))
case uint32:
return uint(s.(uint32))
case uint64:
return uint(s.(uint64))
}
return 0
}
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func (m *jsonData) toUInt64(s any) uint64 {
switch s.(type) {
case float32:
return uint64(s.(float32))
case float64:
return uint64(s.(float64))
case int:
return uint64(s.(int))
case int8:
return uint64(s.(int8))
case int16:
return uint64(s.(int16))
case int32:
return uint64(s.(int32))
case int64:
return uint64(s.(int64))
case uint:
return uint64(s.(uint))
case uint8:
return uint64(s.(uint8))
case uint16:
return uint64(s.(uint16))
case uint32:
return uint64(s.(uint32))
case uint64:
return s.(uint64)
}
return 0
}
func (m *jsonData) toInt64(s any) int64 {
switch s.(type) {
case float32:
return int64(s.(float32))
case float64:
return int64(s.(float64))
case int:
return int64(s.(int))
case int8:
return int64(s.(int8))
case int16:
return int64(s.(int16))
case int32:
return int64(s.(int32))
case int64:
return s.(int64)
case uint:
return int64(s.(uint))
case uint8:
return int64(s.(uint8))
case uint16:
return int64(s.(uint16))
case uint32:
return int64(s.(uint32))
case uint64:
return int64(s.(uint64))
}
return 0
}