# 下載sonic依賴
$ go get github.com/bytedance/sonic

func base() {
 m := map[string]interface{}{
  "name": "z3",
  "age":  20,
 }
 
 // sonic序列化
 byt, err := sonic.Marshal(&m)
 if err != nil {
  log.Println(err)
 }
 fmt.Printf("json: %+v\n", string(byt))

 // sonic反序列化
 um := make(map[string]interface{})
 err = sonic.Unmarshal(byt, &um)
 if err != nil {
  log.Println(err)
 }
 fmt.Printf("unjson: %+v\n", um)
}

// print
// json: {"name":"z3","age":20}
// unjson: map[age:20 name:z3]

func base() {
 m := map[string]interface{}{
  "name": "z3",
  "age":  20,
 }

 // 流式io編解碼
 // 編碼
 var encbuf bytes.Buffer
 enc := sonic.ConfigDefault.NewEncoder(&encbuf)
 if err := enc.Encode(m); err != nil {
  log.Fatal(err)
 } else {
  fmt.Printf("cutomize encoder: %+v", encbuf.String())
 }

 // 解碼
 var decbuf bytes.Buffer
 decbuf.WriteString(encbuf.String())
 clear(m)

 dec := sonic.ConfigDefault.NewDecoder(&decbuf)
 if err := dec.Decode(&m); err != nil {
  log.Fatal(err)
 } else {
  fmt.Printf("cutomize decoder: %+v\n", m)
 }
}

// print
// cutomize encoder: {"name":"z3","age":20}
// cutomize decoder: map[age:20 name:z3]

var (
    // ConfigDefault is the default config of APIs, aiming at efficiency and safty.
    // ConfigDefault api的默認(rèn)配置,針對(duì)效率和安全。
    ConfigDefault = Config{}.Froze()
 
    // ConfigStd is the standard config of APIs, aiming at being compatible with encoding/json.
    // ConfigStd是api的標(biāo)準(zhǔn)配置，旨在與encoding/json兼容。
    ConfigStd = Config{
        EscapeHTML : true,
        SortMapKeys: true,
        CompactMarshaler: true,
        CopyString : true,
        ValidateString : true,
    }.Froze()
 
    // ConfigFastest is the fastest config of APIs, aiming at speed.
    // ConfigFastest是api的最快配置，旨在提高速度。
    ConfigFastest = Config{
        NoQuoteTextMarshaler: true,
    }.Froze()
)

// Marshal returns the JSON encoding bytes of v.
func Marshal(val interface{}) ([]byte, error) {
    return ConfigDefault.Marshal(val)
}

// Unmarshal parses the JSON-encoded data and stores the result in the value pointed to by v.
// NOTICE: This API copies given buffer by default,
// if you want to pass JSON more efficiently, use UnmarshalString instead.
func Unmarshal(buf []byte, val interface{}) error {
    return ConfigDefault.Unmarshal(buf, val)
}

// Config is a combination of sonic/encoder.Options and sonic/decoder.Options
type Config struct {
    // EscapeHTML indicates encoder to escape all HTML characters 
    // after serializing into JSON (see https://pkg.go.dev/encoding/json#HTMLEscape).
    // WARNING: This hurts performance A LOT, USE WITH CARE.
    EscapeHTML                    bool
    // SortMapKeys indicates encoder that the keys of a map needs to be sorted 
    // before serializing into JSON.
    // WARNING: This hurts performance A LOT, USE WITH CARE.
    SortMapKeys                   bool
    // CompactMarshaler indicates encoder that the output JSON from json.Marshaler 
    // is always compact and needs no validation 
    CompactMarshaler              bool
    // NoQuoteTextMarshaler indicates encoder that the output text from encoding.TextMarshaler 
    // is always escaped string and needs no quoting
    NoQuoteTextMarshaler          bool
    // NoNullSliceOrMap indicates encoder that all empty Array or Object are encoded as '[]' or '{}',
    // instead of 'null'
    NoNullSliceOrMap              bool
    // UseInt64 indicates decoder to unmarshal an integer into an interface{} as an
    // int64 instead of as a float64.
    UseInt64                      bool
    // UseNumber indicates decoder to unmarshal a number into an interface{} as a
    // json.Number instead of as a float64.
    UseNumber                     bool
    // UseUnicodeErrors indicates decoder to return an error when encounter invalid
    // UTF-8 escape sequences.
    UseUnicodeErrors              bool
    // DisallowUnknownFields indicates decoder to return an error when the destination
    // is a struct and the input contains object keys which do not match any
    // non-ignored, exported fields in the destination.
    DisallowUnknownFields         bool
    // CopyString indicates decoder to decode string values by copying instead of referring.
    CopyString                    bool
    // ValidateString indicates decoder and encoder to valid string values: decoder will return errors 
    // when unescaped control chars(\u0000-\u001f) in the string value of JSON.
    ValidateString                    bool
}

func base() {
 snc := sonic.Config{
  CompactMarshaler: true,
  SortMapKeys:      true,
 }.Froze()

 snc.Marshal(obj)
}

data := `{"name": "z3","info":{"num": [11,22,33]}}`

// 函數(shù)簽名:
func Get(src []byte, path ...interface{}) (ast.Node, error) {
    return GetFromString(string(src), path...)
}
// GetFromString與Get相同，只是src是字符串，這樣可以減少不必要的內(nèi)存拷貝。
func GetFromString(src string, path ...interface{}) (ast.Node, error) {
    return ast.NewSearcher(src).GetByPath(path...)
}

func base() {
 data := `{"name": "z3","info":{"num": [11,22,33]}}`

 // no path return all json string
 root, err := sonic.GetFromString(data)
 if err != nil {
  log.Panic(err)
 }
 if raw, err := root.Raw(); err != nil {
  log.Panic(err)
 } else {
  log.Println(raw)
 }
}

// print
// 2023/08/26 17:15:52 {"name": "z3","info":{"num": [11,22,33]}}

func base() {
 data := `{"name": "z3","info":{"num": [11,22,33]}}`

 // no path return all json string
 root, err := sonic.GetFromString(data)
 if err != nil {
  log.Panic(err)
 }

    // according to path(根據(jù)key,查詢當(dāng)前node下的元素)
 if path, err := root.GetByPath("name").Raw(); err != nil {
  log.Panic(err)
 } else {
  log.Println(path)
 }

 // indexOrget (同時(shí)提供index和key進(jìn)行索引和key的匹配)
 if path, err := root.IndexOrGet(1, "info").Raw(); err != nil {
  log.Panic(err)
 } else {
  log.Println(path)
 }

    // index (按照index進(jìn)行查找當(dāng)前node下的元素)
    // root.Index(1).Index(0).Raw()意味著
    // root.Index(1) == "info"
    // root.Index(1).Index(0) == "num"
    // root.Index(1).Index(0).Raw() == "[11,22,33]"
 if path, err := root.Index(1).Index(0).Raw(); err != nil {
  log.Panic(err)
 } else {
  log.Println(path)
 }

}

// print
// 2023/08/26 17:17:49 "z3"
// 2023/08/26 17:17:49 {"num": [11,22,33]}
// 2023/08/26 17:17:49 [11,22,33]

user := root.GetByPath("statuses", 3, "user")  // === root.Get("status").Index(3).Get("user")

func base() {
 data := `{"name": "z3","info":{"num": [11,22,33]}}`

 // no path return all json string
 root, err := sonic.GetFromString(data)
 if err != nil {
  log.Panic(err)
 }

 // according to path
 if path, err := root.GetByPath("name").Raw(); err != nil {
  log.Panic(err)
 } else {
  log.Println(path)
 }

 // indexOrget (同時(shí)提供index和key進(jìn)行索引和key的匹配)
 if path, err := root.IndexOrGet(1, "info").Raw(); err != nil {
  log.Panic(err)
 } else {
  log.Println(path)
 }

 // index
 if path, err := root.Index(1).Index(0).Raw(); err != nil {
  log.Panic(err)
 } else {
  log.Println(path)
 }

 // set
    // ast提供了很多go類型轉(zhuǎn)換node的函數(shù)
 if _, err := root.Index(1).SetByIndex(0, ast.NewArray([]ast.Node{
  ast.NewNumber("101"),
  ast.NewNumber("202"),
 })); err != nil {
  log.Panic(err)
 }

 raw, _ := root.Raw()
 log.Println(raw)
}

// print
// 2023/08/26 17:23:55 "z3"
// 2023/08/26 17:23:55 {"num": [11,22,33]}
// 2023/08/26 17:23:55 [11,22,33]
// 2023/08/26 17:23:55 {"name":"z3","info":{"num":[101,202]}}

func base() {
 
 data := `{"name": "z3","info":{"num": [11,22,33]}}`

 // no path return all json string
 root, err := sonic.GetFromString(data)
 if err != nil {
  log.Panic(err)
 }
 bts, _ := root.MarshalJSON()
 log.Println("Ast.Node(Marshal): ", string(bts))

 btes, _ := json.Marshal(&root)
 log.Println("encoding/json (Marshal): ", string(btes))

}

// print
// 2023/08/26 17:39:06 Ast.Node(Marshal):  {"name": "z3","info":{"num": [11,22,33]}}    
// 2023/08/26 17:39:06 encoding/json (Marshal):  {"name":"z3","info":{"num":[11,22,33]}}

func base() {
    // 在sonic.Config中進(jìn)行配置
 snc := sonic.Config{
  CopyString: true,
 }.Froze()
}

func base() {
 data := `{"name": "z3","info":{"num": [11,22,33]}}`

 // complete parsing
 m := map[string]interface{}{}
 sonic.Unmarshal([]byte(data), &m)

}

func base() {
 data := `{"name": "z3","info":{"num": [11,22,33]}}`

 // complete parsing
 m := map[string]interface{}{}
 sonic.Unmarshal([]byte(data), &m)

 // partial parsing
 clear(m)
 node, err := sonic.GetFromString(data, "info", "num", 1)
 if err != nil {
  panic(err)
 }
 log.Println(node.Raw())
}