mirror of
https://github.com/42wim/matterbridge.git
synced 2024-11-24 19:52:03 -08:00
56 lines
1.5 KiB
Markdown
56 lines
1.5 KiB
Markdown
# jsonx
|
|
|
|
It's modified version of [encoding/json](https://golang.org/pkg/encoding/json/)
|
|
which enables extra map field (with `jsonx:"true"` tag) to catch all other fields not declared in the struct.
|
|
|
|
`jsonx` is a code name for internal use
|
|
and not related to [JSONx](https://tools.ietf.org/html/draft-rsalz-jsonx-00).
|
|
|
|
Example ([Run on playgroud](https://play.golang.org/p/TZi0JeHYG69))
|
|
```go
|
|
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
|
|
"github.com/yaegashi/msgraph.go/jsonx"
|
|
)
|
|
|
|
type Extra struct {
|
|
X string
|
|
Y int
|
|
Extra map[string]interface{} `json:"-" jsonx:"true"`
|
|
}
|
|
|
|
func main() {
|
|
var x1, x2 Extra
|
|
b := []byte(`{"X":"123","Y":123,"A":"123","B":123}`)
|
|
fmt.Printf("\nUnmarshal input: %s\n", string(b))
|
|
json.Unmarshal(b, &x1)
|
|
fmt.Printf(" json.Unmarshal: %#v\n", x1)
|
|
jsonx.Unmarshal(b, &x2)
|
|
fmt.Printf("jsonx.Unmarshal: %#v\n", x2)
|
|
|
|
x := Extra{X: "456", Y: 456, Extra: map[string]interface{}{"A": "456", "B": 456}}
|
|
fmt.Printf("\nMarshal input: %#v\n", x)
|
|
b1, _ := json.Marshal(x)
|
|
fmt.Printf(" json.Marshal: %s\n", string(b1))
|
|
b2, _ := jsonx.Marshal(x)
|
|
fmt.Printf("jsonx.Marshal: %s\n", string(b2))
|
|
}
|
|
```
|
|
|
|
Result
|
|
|
|
```text
|
|
Unmarshal input: {"X":"123","Y":123,"A":"123","B":123}
|
|
json.Unmarshal: main.Extra{X:"123", Y:123, Extra:map[string]interface {}(nil)}
|
|
jsonx.Unmarshal: main.Extra{X:"123", Y:123, Extra:map[string]interface {}{"A":"123", "B":123}}
|
|
|
|
Marshal input: main.Extra{X:"456", Y:456, Extra:map[string]interface {}{"A":"456", "B":456}}
|
|
json.Marshal: {"X":"456","Y":456}
|
|
jsonx.Marshal: {"X":"456","Y":456,"A":"456","B":456}
|
|
```
|
|
|